GREE Split Air Conditioner

Owner's Manual - Original Instructions

Thank you for choosing our product.

Please read this Owner's Manual carefully before operation and retain it for future reference.

If you have lost the Owner's Manual, please contact the local agent or visit www.gree.com or send an email to global@cn.gree.com for the electronic version.

NOTE: Actual product may be different from graphics, please refer to actual products.

Model Specifications

Models: GSC09UZE / GSC09UZC, GSC12UZE / GSC12UZC, GSC18UZE / GSC18UZC, GSC24UZE / GSC24UZC

Model Refrigerant Charge (kg) Maximum Refrigerant Charge (kg) Minimum Installation Height (m) Minimum Room Area(m2)
GSC09UZE/GSC09UZC 0.48 0.60 1.80 No minimum room area requirement
GSC12UZE/GSC12UZC 0.50 0.68 1.80 No minimum room area requirement
GSC18UZE/GSC18UZC 0.70 1.09 1.80 No minimum room area requirement
GSC24UZE/GSC24UZC 0.90 1.14 1.80 No minimum room area requirement

Explanation of Symbols and Exception Clauses

⚠️ WARNING This symbol indicates the possibility of death or serious injury.

? CAUTION This symbol indicates the possibility of injury or damage to property.

ℹ️ NOTICE Indicates important but not hazard-related information, used to indicate risk of property damage.

Exception Clauses

Manufacturer will bear no responsibilities when personal injury or property loss is caused by the following reasons:

  1. Damage the product due to improper use or misuse of the product;
  2. Alter, change, maintain or use the product with other equipment without abiding by the instruction manual of manufacturer;
  3. After verification, the defect of product is directly caused by corrosive gas;
  4. After verification, the defects are due to improper operation during transportation of product;
  5. Operate, repair, maintain the unit without abiding by instruction manual or related regulations;
  6. After verification, the problem or dispute is caused by the quality specification or performance of parts and components that produced by other manufacturers;
  7. The damage is caused by natural calamities, bad using environment or force majeure.

• If it needs to install, move or maintain the air conditioner, please contact dealer or local service center to conduct it at first. Air conditioner must be installed, moved or maintained by appointed unit. Otherwise, it may cause serious damage or personal injury or death.

• When refrigerant leaks or requires discharge during installation, maintenance, or disassembly, it should be handled by certified professionals or otherwise in compliance with local laws and regulations.

• This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

• This appliance incorporates an earth connection for functional purposes only. Note: Only for models with ground wire from PCB.

The Refrigerant

Appliance filled with flammable gas R32.

Before use the appliance, read the owner's manual first.

Before install the appliance, read the installation manual first.

Before repair the appliance, read the service manual first.

• To realize the function of the air conditioner unit, a special refrigerant circulates in the system. The used refrigerant is the fluoride R32, which is specially cleaned. The refrigerant is flammable and inodorous. Furthermore, it can lead to explosion under certain conditions. But the flammability of the refrigerant is very low. It can be ignited only by fire.

• Compared to common refrigerants, R32 is a nonpolluting refrigerant with no harm to the ozonosphere. The influence upon the greenhouse effect is also lower. R32 has got very good thermodynamic features which lead to a really high energy efficiency. The units therefore need a less filling.

WARNING Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacture. Should repair be necessary, contact your nearest authorized Service Centre. Any repairs carried out by unqualified personnel may be dangerous. The appliance shall be stored in a room without continuously operating ignition sources. (for example: open flames, an operating gas appliance or an operating electric heater.) Do not pierce or burn. Appliance shall be installed, operated and stored in a room with a floor area larger than X m². (Please refer to table "a" in section of "Safety operation of flammable refrigerant" for space X.) Appliance filled with flammable gas R32. For repairs, strictly follow manufacturer's instructions only. Be aware that refrigerants may not contain an odour. Read specialist's manual.

This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with the appliance.

Hereby, Our company, declares that this Air Conditioner is in compliance with the essential requirement and other relevant provisions of RE Directive 2014/53/EU. A copy of the full DoC is attached.

Wireless frequency range: 2412MHz - 2472MHz Maximum Transmit Power: 18dBm

R32: 675

This marking indicates that this product should not be disposed with other household wastes. To prevent possible harm to the environment or human health from uncontrolled waste throughout the EU. To prevent possible harm to the environment or human health.

From uncontrolled waste disposal, recycle it responsibly to promote the sustainable reuse of material resources. To return your used device, please use the return and collection systems or contact the retailer where the product was purchased. They can take this product for environmental safe recycling.

If it needs to install, move or maintain the air conditioner, please contact dealer or local service center to conduct it at first. Air conditioner must be installed, moved or maintained by appointed unit. Otherwise, it may cause serious damage or personal injury or death.

Safety operation of flammable refrigerant

Qualification requirement for installation and maintenance man

• All the work men who are engaging in the refrigeration system should bear the valid certification awarded by the authoritative organization and the qualification for dealing with the refrigeration system recognized by this industry. If it needs other technician to maintain and repair the appliance, they should be supervised by the person who bears the qualification for using the flammable refrigerant.

• It can only be repaired by the method suggested by the equipment's manufacturer.

Safety Operation of Flammable Refrigerant

Installation notes

• The air conditioner must be installed in a room that is larger than the minimum room area. The minimum room area is shown on the nameplate or following table a.

• It is not allowed to drill hole or burn the connection pipe.

• Leak test is a must after installation.

Table a - Minimum room area (m²)
Charge amount (kg) floor location window mounted wall mounted ceiling mounted
≤1.2 / / / /
1.3 14.5 5.2 1.6 2.6
1.4 16.8 6.1 1.9 2.8
1.5 19.3 7 2.1 3
1.6 22 7.9 2.4 3.2
1.7 24.8 8.9 2.8 3.4
1.8 27.8 10 3.1 3.6
1.9 31 11.2 3.4 3.8
2.0 34.3 12.4 3.8 4
2.1 37.8 13.6 4.2 4.2
2.2 41.5 15 4.6 4.4
2.3 45.4 16.3 5 4.6
2.4 49.4 17.8 5.5 4.8
2.5 53.6 19.3 6 5
2.6 58.1 20.9 6.5 5.2
2.7 62.6 22.6 7 5.4
2.8 67.4 24.3 7.5 5.6
2.9 72.3 26 8.1 5.8
3.0 77.3 27.9 8.6 6
3.1 82.6 29.8 9.2 6.2
3.2 88 31.7 9.8 6.6
3.3 93.6 33.7 10.4 7
3.4 99.3 35.8 11.1 7.4
3.5 105.2 37.9 11.7 7.9
3.6 111.3 40.1 12.4 8.3
3.7 117.6 42.4 13.1 8.8
3.8 124 44.7 13.8 9.3
3.9 130.7 47.1 14.6 9.8
4.0 137.4 49.5 15.3 10.3

Maintenance notes

• Check whether the maintenance area or the room area meet the requirement of the nameplate.

Filling the refrigerant

• Use the refrigerant filling appliances specialized for R32. Make sure that different kinds of refrigerant won't contaminate with each other.

• The refrigerant tank should be kept upright at the time of filling refrigerant.

• Stick the label on the system after filling is finished (or haven't finished).

• Don't overfilling.

• After filling is finished, please do the leakage detection before test running; another time of leak detection should be done when it's removed.

Safety instructions for transportation and storage

• Please use the flammable gas detector to check before unload and open the container.

• No fire source and smoking.

• According to the local rules and laws.

Safety Precautions

Installation

! WARNING

  • Installation or maintenance must be performed by qualified professionals.
  • The appliance shall be installed in accordance with national wiring regulations.
  • According to the local safety regulations, use qualified power supply circuit and circuit breaker.
  • All wires of indoor unit and outdoor unit should be connected by a professional.
  • Be sure to cut off the power supply before proceeding any work related to electricity and safety.
  • Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring may result in electric shock, fire hazard or malfunction. Please install proper power supply cables before using the air conditioner.
  • The grounding resistance should comply with national electric safety regulations.
  • Air Conditioner should be properly grounded. Incorrect grounding may cause electric shock.
  • Do not put through the power before finishing installation.
  • Do install the circuit breaker. If not, it may cause malfunction.
  • An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be connected in fixed wiring.
  • Circuit breaker should be included magnet buckle and heating buckle function. It can protect the overload and circuit-short.

Installation

CAUTION

  • Instructions for installation and use of this product are provided by the manufacturer.
  • Select a location which is out of reach for children and far away from animals or plants. If it is unavoidable, please add the fence for safety purpose.
  • The indoor unit should be installed close to the wall.
  • Don't use unqualified power cord.
  • If the length of power connection wire is insufficient, please contact the supplier for a new one.
  • The appliance must be positioned so that the plug is accessible.
  • For the air conditioner with plug, the plug should be reachable after finishing installation.
  • For the air conditioner without plug, a circuit breaker must be installed in the line.
  • The yellow-green wire in air conditioner is grounding wire, which can't be used for other purposes.
  • The air conditioner is the first class electric appliance. It must be properly grounded with specialized grounding device by a professional. Please make sure it is always grounded effectively, otherwise it may cause electric shock.
  • The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.

Operation and Maintenance

! WARNING

  • This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards involved.
  • Children shall not play with the appliance.
  • Cleaning and user maintenance shall not be made by children without supervision.
  • If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
  • Do not connect air conditioner to multi-purpose socket. Otherwise, it may cause fire hazard.
  • Do disconnect power supply when cleaning air conditioner. Otherwise, it may cause electric shock.
  • Do not wash the air conditioner with water to avoid electric shock.
  • Do not spray water on indoor unit. It may cause electric shock or malfunction.
  • Do not repair air conditioner by yourself. It may cause electric shock or damage. Please contact dealer when you need to repair air conditioner.
  • After removing the filter, do not touch fins to avoid injury.
  • Do not extend fingers or objects into air inlet or air outlet. It may cause personal injury or damage.

Operation and Maintenance

CAUTION

  • Do not spill water on the remote controller, otherwise the remote controller may be broken.
  • Do not use fire or hair dryer to dry the filter to avoid deformation or fire hazard.
  • Do not block air outlet or air inlet. It may cause malfunction.
  • Do not step on top panel of outdoor unit, or put heavy objects. It may cause damage or personal injury.
  • When below phenomenon occurs, please turn off air conditioner and disconnect power immediately, and then contact the dealer or qualified professionals for service:
    • Power cord is overheating or damaged.
    • There's abnormal sound during operation.
    • Circuit breaker trips off frequently.
    • Air conditioner gives off burning smell.
    • Indoor unit is leaking.

Parts Identification

Indoor Unit

Diagram of the Indoor Unit showing the air inlet, panel, filter, and air outlet.

Outdoor Unit

Diagram of the Outdoor Unit showing the air inlet and air outlet.

Display

Shows 'Temp. indicator' and 'Power indicator'.

NOTE: This is a general introduction and the color of indicator is only for reference. Please refer to the actual display. Display content may be different from the actual. Please refer to the actual display.

Remote Controller Operation

Buttons on remote controller

Diagram of the remote controller showing various buttons.

Introduction for icons on display screen

Icon Description
FAN Set fan speed
AUTO Turbo mode
Send signal
Auto mode
Cool mode
Dry mode
Fan mode
Heat mode*
Sleep mode
8°C heating function*
Health mode*
Scavenging function*
Quiet
X-FAN function
Set temp.
Indoor ambient temp.
Outdoor ambient temp.
Clock
Set temperature
Set time
TIMER ON / TIMER OFF
Light
Left & right swing*
Up & down swing
Child lock

* Not applicable for this model.

Introduction for buttons on remote controller

NOTE: This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status.

• After putting through the power, the air conditioner will give out a sound. Power indicator "⏻" is ON. After that, you can operate the air conditioner by using remote controller.

• Under on status, pressing the button on the remote controller, the signal icon "" on the display of remote controller will blink once and the air conditioner will give out a "di" sound, which means the signal has been sent to the air conditioner.

MODE Button

Press this button to turn on the unit. Press this button again to turn off the unit.

MODE Button

Press this button to select your required operation mode.

Available modes: AUTO, COOL, DRY, FAN (HEAT is not applicable for this model).

FAN Button

Pressing this button can set fan speed circularly as: auto (AUTO), low (⬇️), medium (⇂), high (⬆️).

NOTE:

TURBO Button

Under cool or heat mode, press this button to turn to quick cool or quick heat mode. "" icon is displayed on remote controller. Press this button again to exit turbo function and "" icon will disappear.

If start this function, the unit will run at super-high fan speed to cool or heat quickly so that the ambient temperature approaches the preset temperature as soon as possible.

LIGHT Button

Press this button to turn off display light on indoor unit. "" icon on remote controller disappears. Press this button again to turn on display light. "" icon is displayed.

Temperature Adjustment Buttons (⬆ / ⬇)

Press "⬆" or "⬇" button once increase or decrease set temperature 1°C(°F). Holding "⬆" or "⬇" button, 2s later, set temperature on remote controller I change quickly. On releasing button after setting is finished, temperature indicator on indoor unit will change accordingly. (Temperature can't be adjusted under auto mode)

When setting TIMER ON, TIMER OFF or CLOCK, press "⬆" or "⬇" button to adjust time. (Refer to CLOCK, TIMER ON, TIMER OFF buttons).

Swing Buttons (Left/Right & Up/Down)

Left & Right Swing Button (Not applicable)

Press this button can select left & right swing angle. Fan blow angle can be selected circularly as below:

NOTE: "" may not be available. When air conditioner receives this signal, the air conditioner will blow fan automatically.

• Press this button continuously for more than 2s, the main unit will swing back and forth from up to down, and then loosen the button, the unit present position of guide louver will be kept immediately.

• Under up and down swing mode, when the status is switched from off to , if press this button again 2s later, status will switch to off status directly; if press this button again within 2s, the change of swing status will also depend on the circulation sequence stated above.

• The function is only available for some models.

Up & Down Swing Button

Press this button can select up & down swing angle. Fan blow angle can be selected circularly as below:

NOTE: Press this button continuously for more than 2s, the main unit will swing back and forth from left to right, and then loosen the button, the unit will stop swinging and present position of guide louver will be kept immediately.

• Under left and right swing mode, when the status is switched from off to , if press this button again 2s later, status will switch to off status directly; if press this button again within 2s, the change of swing status will also depend on the circulation sequence stated above.

• The function is only available for some models.

I FEEL Button

• Press this button to start I FEEL function and "" will be displayed on the remote controller. After this function is set, the remote controller will send the detected ambient temperature to the controller and the unit will automatically adjust the indoor temperature according to the detected temperature. Press this button again to close I FEEL function and ":" will disappear.

• Please put the remote controller near user when this function is set. Do not put the remote controller near the object of high temperature or low temperature in order to avoid detecting inaccurate ambient temperature.

• When I FEEL function is turned on, the remote controller should be put within the area where indoor unit can receive the signal sent by the remote controller.

TIMER ON / TIMER OFF Button

TIMER ON Button

"TIMER ON" button can set the time for timer on. After pressing this button, "" icon disappears and the word "ON" on remote controller blinks. Press "⬆" or "⬇" button to adjust TIMER ON setting. After each pressing of "⬆" or "⬇" button, TIMER ON setting will increase or decrease 1min. Holding "⬆" or "⬇" button, 2s later, the time will change quickly until reaching your required time. Press "TIMER ON" to confirm it. The word "ON" will stop blinking. "" icon resumes displaying. Cancel TIMER ON: Under the condition that TIMER ON is started up, press "TIMER ON" button to cancel it.

TIMER OFF Button

"TIMER OFF" button can set the time for timer off. After pressing this button, "" icon disappears and the word "OFF" on remote controller blinks. Press "⬆" or "⬇" button to adjust TIMER OFF setting. After each pressing of "⬆" or "⬇" button, TIMER OFF setting will increase or decrease 1min. Holding "⬆" or "⬇" button, 2s later, the time will change quickly until reaching your required time. Press "TIMER OFF" and the word "OFF" will stop blinking. "" icon resumes displaying. Under the condition that TIMER OFF is started up, press "TIMER OFF" button to cancel it.

NOTE:

NOTE: Clock time adopts 24-hour mode. The interval between two operations can't exceed 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER OFF is the same.

Health and Scavenging Functions Button (Not applicable)

Press this button to turn on or turn off the health and scavenging functions in operation status. Press this button for the first time to start scavenging function; LCD displays "". Press the button for the second time to start health and scavenging functions simultaneously; LCD displays "" and "". Press this button for the third time to quit health and scavenging functions simultaneously. Press the button for the fourth time to start health function; LCD display "". Press this button again to repeat the operation above.

NOTE: The function is only available for some models.

QUIET Button

Press this button, the Quiet status is under the Auto Quiet mode (display "" and "AUTO" signal ) and Quiet mode (display "" signal) and Quiet OFF (there is no signal of "" displayed). After powered on, the Quiet OFF is defaulted.

NOTE: The quiet function is only available for some models.

CLOCK Button

Press this button to set clock time. "" icon on remote controller will blink. Press "⬆" or "⬇" button within 5s to set clock time. Each pressing of "⬆" or "⬇" button, clock time will increase or decrease 1 min. If hold "⬆" or "⬇" button, 2s later, time will change quickly. Release this button when reaching your required time. Press "CLOCK" button to confirm the time. "" icon stops blinking.

Function Introduction

TEMP Button

By pressing this button, you can see indoor set temperature, indoor ambient temperature or outdoor ambient temperature on indoor unit's display. The setting on remote controller is selected circularly as below:

NOTE:

SLEEP Button

Under cool or heat mode, press this button to start up sleep function. "" icon is displayed on remote controller. Press this button again to cancel sleep function and "" icon will disappear. After powered on, sleep function off is defaulted. After the unit is turned off, the sleep function is canceled.

In this mode, set temperature will be adjusted with the change of time. Under fan, dry and auto modes, this function is not available.

Function introduction for combination buttons

Energy-saving function

Under cooling mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off energy-saving function. When energy-saving function is started up, "SE" will be shown on remote controller, and air conditioner will adjust the set temperature automatically according to ex-factory setting to reach to the best energy-saving effect. Press "TEMP" and "CLOCK" buttons simultaneously again to exit energy-saving function.

NOTE:

8°C heating function (Not applicable)

Under heat mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off 8°C heating function. When this function is started up, "" and "8°C" will be shown on remote controller, and the air conditioner keep the heating status at 8°C. Press "TEMP" and "CLOCK" buttons simultaneously again to exit 8°C heating function.

NOTE:

Advanced Functions

Child lock function

Press "⬆" and "⬇" simultaneously to turn on or turn off child lock function. When child lock function is on, "" icon is displayed on remote controller. If you operate the remote controller, the "" icon will blink three times without sending signal to the unit.

Temperature display switchover function

Under OFF status, press "" and "MODE" buttons simultaneously to switch temperature display between °C and °F.

X-FAN Button

Pressing this button in COOL or DRY mode, the icon "" is displayed and the indoor fan will continue operation for a while in order to dry the indoor unit even though you have turned off the unit. After energization, X-FAN OFF is defaulted.

X-FAN is not available in AUTO, FAN or HEAT mode. This function indicates that moisture on evaporator of indoor unit will be blowed after the unit is stopped to avoid mould.

NOTE:

Auto clean function

Under unit off status, hold "MODE" and "FAN" buttons simultaneously for 5s to turn on or turn off the auto clean function. When the auto clean function is turned on, indoor unit displays "CL". During the auto clean process of evaporator, the unit will perform fast cooling or fast heating. There may be some noise, which is the sound of flowing liquid or thermal expansion or cold shrinkage. The air conditioner may blow cool or warm air, which is a normal phenomenon. During cleaning process, please make sure the room is well ventilated to avoid affecting the comfort.

NOTE:

Remote Controller Battery Replacement

Diagram showing how to open the battery cover, replace batteries, and close the cover.

1. Press the back side of remote controller marked with "", as shown in the fig, and then push out the cover of battery box along the arrow direction.

2. Replace two 7# (AAA 1.5V) dry batteries, and make sure the position of "+" polar and "-" polar are correct.

3. Reinstall the cover of battery box.

NOTICE:

Clean and Maintenance

WARNING

Turn off the air conditioner and disconnect the power before cleaning the air conditioner to avoid electric shock.

Do not wash the air conditioner with water to avoid electric shock.

Do not use volatile liquid to clean the air conditioner.

Do not use liquid or corrosive detergent to clean the appliance and do not splash water or other liquid onto it, otherwise, it may damage the plastic components, even cause electric shock.

Clean surface of indoor unit

When the surface of indoor unit is dirty, it is recommended to use a soft dry cloth or wet cloth to wipe it.

NOTICE: Do not remove the panel when cleaning it.

Clean filter

  1. Open panel
    Pull out the panel to a certain angle as shown in the figure.
  2. Remove filter
    Remove the filter as indicated in the figure.
  3. Clean filter
    • Use dust catcher or water to clean the filter.
    • When the filter is very dirty, use the water (below 45°C) to clean it, and then put it in a shady and cool place to dry.
  4. Install filter
    Install the filter and then close the panel cover tightly.

WARNING The filter should be cleaned every three months. If there is much dust in the operation environment, clean frequency can be increased. After removing the filter, do not touch fins to avoid injury. Do not use fire or hair dryer to dry the filter to avoid deformation or fire hazard.

NOTICE: Checking before use-season

  1. Check whether air inlets and air outlets are blocked.
  2. Check whether air switch, plug and socket are in good condition.
  3. Check whether filter is clean.
  4. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.
  5. Check whether drainage pipe is damaged.

NOTICE: Checking after use-season

  1. Disconnect power supply.
  2. Clean filter and indoor unit's panel.
  3. Check whether mounting bracket for outdoor unit is damaged or corroded. If yes, please contact dealer.

Notice for recovery

  1. Many packing materials are recyclable materials. Please dispose them in appropriate recycling unit.
  2. If you want to dispose the air conditioner, please contact local dealer or consultant service center for the correct disposal method.

Error Code

When air conditioner status is abnormal, temperature indicator on indoor unit will blink to display corresponding error code. Please refer to below list for identification of error code.

Error code Troubleshooting
U8, H6, H3, E1, E5, E6, E8 It can be eliminated after restarting the unit. If not, please contact qualified professionals for service.
C5, F0, F1, F2 Please contact qualified professionals for service.

NOTE: If there're other error codes, please contact qualified professionals for service.

Checked Items Before Maintenance

General phenomenon analysis

Please check below items before asking for maintenance. If the malfunction still can't be eliminated, please contact local dealer or qualified professionals.

Phenomenon Check items Solution
Indoor unit can't receive remote controller's signal or remote controller has no action. Whether it's interfered severely (such as static electricity, stable voltage?) Pull out the plug. Reinsert the plug after about 3min, and then turn on the unit again.
Whether remote controller is within the signal receiving range? Signal receiving range is 8m.
Whether there are obstacles? Remove obstacles.
Whether remote controller is pointing at the receiving window? Select proper angle and point the remote controller at the receiving window on indoor unit.
Is sensitivity of remote controller low; fuzzy display or no display? Check the batteries. If the power of batteries is too low, please replace them.
No display when operating remote controller? Check whether remote controller appears to be damaged. If yes, replace it.
Fluorescent lamp in room? Take the remote controller close to indoor unit. Turn off the fluorescent lamp and then try it again.
No air emitted from indoor unit Air inlet or air outlet of indoor unit is blocked? Eliminate obstacles.
Under heating mode, indoor temperature is reached to set temperature? After reaching to set temperature, indoor unit will stop blowing out air.
Heating mode is turned on just now? In order to prevent blowing out cold air, indoor unit will be started after delaying for several minutes, which is a normal phenomenon.
Air conditioner can't operate Power failure? Wait until power recovery.
Is plug loose? Reinsert the plug.
Air switch trips off or fuse is burnt out? Ask professional to replace air switch or fuse.
Wiring has malfunction? Ask professional to replace it.
Unit has restarted immediately after stopping operation? Wait for 3min, and then turn on the unit again.
Whether the function setting for remote controller is correct? Reset the function.
Mist is emitted from indoor unit's air outlet Indoor temperature and humidity is high? Because indoor air is cooled rapidly. After a while, indoor temperature and humidity will decrease and mist will disappear.
Odours are emitted Whether there's odour source, such as furniture and cigarette, etc. Eliminate the odour source. Clean the filter.
Set temperature can't be adjusted Unit is operating under auto mode? Your required temperature exceeds the set temperature range? Temperature can't be adjusted under auto mode. Please switch the operation mode if you need to adjust temperature. Set temperature range: 16°C~30°C.
Cooling (heating) effect is not good. Voltage is too low? Filter is dirty? Set temperature is in proper range? Wait until the voltage resumes normal. Clean the filter. Adjust temperature to proper range.
Air conditioner operates abnormally Door and window are open? Whether there's interference, such as thunder, wireless devices, etc. Close door and window. Disconnect power, put back power, and then turn on the unit again.
Outdoor unit has vapor Heating mode is turned on? During defrosting under heating mode, it may generate vapor, which is a normal phenomenon.
"Water flowing" noise Air conditioner is turned on or turned off just now? The noise is the sound of refrigerant flowing inside the unit, which is a normal phenomenon.
Cracking noise Air conditioner is turned on or turned off just now? This is the sound of friction caused by expansion and/or contraction of panel or other parts due to the change of temperature.

WARNING When below phenomenon occurs, please turn off air conditioner and disconnect power immediately, and then contact the dealer or qualified professionals for service:

Do not repair or refit the air conditioner by yourself. If the air conditioner operates under abnormal conditions, it may cause malfunction, electric shock or fire hazard.

Installation Notice

Diagram showing required clearances around the indoor and outdoor units.

WARNING

Then, fully close the valve at high pressure side (liquid valve). About 30-40 seconds later, fully close the valve at low pressure side (gas valve), immediately stop the unit and disconnect power. Please note that the time for refrigerant recovery should not exceed 1 minute.

If refrigerant recovery takes too much time, air may be sucked in and cause pressure rise or compressor rupture, resulting in injury.

During refrigerant recovery, make sure that liquid valve and gas valve are fully dosed and power is disconnected before detaching the connection pipe. If compress or starts running when stop valve is open and connection pipe is not yet connected, air will be sucked in and cause pressure rise or compressor rupture, resulting in injury.

When installing the unit, make sure that connection pipe is securely connected before the compress or starts running.

If compressor starts running when stop valve is open and connection pipe is not yet connected, air will be sucked in and cause pressure rise or compress or rupture, resulting in injury.

• Prohibit installing the unit at the place where there may be leaked corrosive gas or flammable gas. If there is leaked gas around the unit, it may cause explosion and other accidents.

• Do not use extension cords for electrical connections. If the electric wire is not long enough, please contact a local service center authorized and ask for a proper electric wire. Poor connections may lead to electric shock or fire.

• Use the specified types of wires for electrical connections between the indoor and outdoor units. Firmly damp the wires so that their terminals receive no external stresses. Electric wires with insufficient capacity, wrong wire connections and insecure wire terminals may cause electric shock or fire.

Tools for installation

  1. Level meter
  2. Screw driver
  3. Impact drill
  4. Drill head
  5. Pipe expander
  6. Torque wrench
  7. Open-end wrench
  8. Pipe cutter
  9. Leakage detector
  10. Vacuum pump
  11. Pressure meter
  12. Universal meter
  13. Inner hexagon spanner
  14. Measuring tape

NOTICE: Please contact the local agent for installation. Don't use unqualified power cord.

Selection of Installation Location

Basic requirement

Installing the unit in the following places may cause malfunction. If it is unavoidable, please consult the local dealer:

  1. The place with strong heat sources, vapors, flammable or explosive gas, or volatile objects spread in the air.
  2. The place with high-frequency devices (such as welding machine, medical equipment).
  3. The place near coast area.
  4. The place with oil or fumes in the air.
  5. The place with sulfureted gas.
  6. Other places with special circumstances.
  7. The appliance shall not be installed in the laundry.
  8. It's not allowed to be installed on the unstable or motive base structure (such as truck) or in the corrosive environment (such as chemical factory).

Indoor unit

  1. There should be no obstruction near air inlet and air outlet.
  2. Select a location where the condensation water can be dispersed easily and won't affect other people.
  3. Select a location which is convenient to connect the outdoor unit and near the power socket.
  4. Select a location which is out of reach for children.
  5. The location should be able to withstand the weight of indoor unit and won't increase noise and vibration.
  6. The appliance must be installed 2.5m above floor.
  7. Don't install the indoor unit right above the electric appliance.
  8. Please try your best to keep way from fluorescent lamp.

Outdoor unit

  1. Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood.
  2. The location should be well ventilated and dry, in which the outdoor unit won't be exposed directly to sunlight or strong wind.
  3. The location should be able to withstand the weight of outdoor unit.
  4. Make sure that the installation follows the requirement of installation dimension diagram.
  5. Select a location which is out of reach for children and far away from animals or plants. If it is unavoidable, please add the fence for safety purpose.

Safety precaution

  1. Must follow the electric safety regulations when installing the unit.
  2. According to the local safety regulations, use qualified power supply circuit and air switch.

Requirements for electric connection

  1. Make sure the power supply matches with the requirement of air conditioner. Unstable power supply or incorrect wiring or malfunction. Please install proper power supply cables before using the air conditioner.
  2. Properly connect the live wire, neutral wire and grounding wire of power socket.
  3. Be sure to cut off the power supply before proceeding any work related to electricity and safety.
  4. Do not put through the power before finishing installation.
  5. If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
  6. The temperature of refrigerant circuit will be high, please keep the interconnection cable away from the copper tube.
  7. The appliance shall be installed in accordance with national wiring regulations.

Grounding requirement

  1. The air conditioner is the first class electric appliance. It must be properly grounded with specialized grounding device by a professional. Please make sure it is always grounded effectively, otherwise it may cause electric shock.
  2. The yellow-green wire in air conditioner is grounding wire, which can't be used for other purposes.
  3. The grounding resistance should comply with national electric safety regulations.
  4. The appliance must be positioned so that the plug is accessible.
  5. An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be connected in fixed wiring.

Air switch capacity

Including an air switch with suitable capacity, please note the following table. Air switch should be included magnet buckle and heating buckle function, it can protect the circuit-short and overload. (Caution: please do not use the fuse only for protecting the circuit)

Air-conditioner Air switch capacity
09K, 12K 10A
18K, 24K 16A

Installation of Indoor Unit

Step 1: Choose installation location

Recommend the installation location to the client and then confirm it with the client.

NOTE: Pay attention to dust prevention and take relevant safety measures when opening the hole.

Diagram showing clearances for indoor unit installation.

Step 2: Install wall-mounting frame

  1. Hang the wall-mounting frame on the wall; adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall.
  2. Drill the screw fixing holes on the wall with impact drill (the specification of drill head should be the same as the plastic expansion particle) and then fill the plastic expansion particles in the holes.
  3. Fix the wall-mounting frame on the wall with tapping screws and then check if the frame is firmly installed by pulling the frame. If the plastic expansion particle is loose, please drill another fixing hole nearby.

Diagram showing wall mounting frame installation with level meter.

Step 3: Open piping hole

  1. Choose the position of piping hole according to the direction of outlet pipe. The position of piping hole should be a little lower than the wall-mounted frame, shown as below.

NOTE: The wall panel is for illustrative purposes only, please refer to the actual installation. Please refer to the actual circumstances for the number of screws and the position of screws.

  1. When installation is finished, pull the mounting plate with hand to confirm whether it is fixed tightly. The force distribution for all screws should be uniform.
  2. Open a piping hole with the diameter of Ø55 or Ø70 on the selected outlet pipe position. In order to drain smoothly, slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5-10°.

Step 4: Outlet pipe

  1. The pipe can be led out in the direction of right, rear right, left or rear left.
  2. When select leading out the pipe from left or right, please cut off the corresponding hole on the bottom case.

Diagram showing outlet pipe directions and cutting the bottom case.

Step 5: Connect the pipe of indoor unit

  1. Aim the pipe joint at the corresponding bellmouth.
  2. Pretighten the union nut with hand.

Diagram showing pipe joint and union nut.

  1. Adjust the torque force by referring to the following sheet. Place the open-end wrench on the pipe joint and place the torque wrench on the union nut. Tighten the union nut with torque wrench.
Hex nut diameter Tightening torque (Nm)
1/4" 15~20
3/8" 30~40
1/2" 45~55
5/8" 60~65
3/4" 70~75

4. Wrap the indoor pipe and joint of connection pipe with insulating pipe, and then wrap it with tape.

Diagram showing wrapped pipes.

Step 6: Install drain hose

  1. Connect the drain hose to the outlet pipe of indoor unit.

Diagram showing drain hose connection.

NOTE: Add insulating pipe in the indoor drain hose in order to prevent condensation. The plastic expansion particles are not provided.

Step 7: Connect wire of indoor unit

NOTICE: All wires of indoor unit and outdoor unit should be connected by a professional. If the length of power connection wire is insufficient, please contact the supplier for a new one. Avoid extending the wire by yourself. For the air conditioner with plug, the plug should be reachable after finishing installation. For the air conditioner without plug, an air switch must be installed in the line. The air switch should be all-pole parting and the contact parting distance should be more than 3mm.

  1. Open the panel, remove the screw on the wiring cover and then take down the cover.

Diagram showing panel removal and wiring cover.

  1. Make the power connection wire go through the cable-cross hole at the back of indoor unit and then pull it out from the front side.

Diagram showing power connection wire routing.

3. Remove the wire clip; connect the power connection wire to the wiring terminal according to the color; tighten the screw and then fix the power connection wire with wire clip.

Diagram of outdoor unit connection terminals (N(1), 2) with wire colors (blue, black, yellow-green).

NOTICE: The wiring board is for reference only, please refer to the actual one.

4. Put wiring cover back and then tighten the screw. 5. Close the panel.

Step 8: Bind up pipe

  1. Bind up the connection pipe, power cord and drain hose with the band.

Diagram showing binding of pipes, power cord, and drain hose.

  1. Reserve a certain length of drain hose and power cord for installation when binding them. When binding to a certain degree, separate the indoor power and then separate the drain hose.
  2. Bind them evenly.
  3. The liquid pipe and gas pipe should be bound separately at the end.

NOTICE: The power cord and control wire can't be crossed or winding. The drain hose should be bound at the bottom.

Step 9: Hang the indoor unit

  1. Put the bound pipes in the wall pipe and then make them pass through the wall hole.
  2. Hang the indoor unit on the wall-mounting frame.
  3. Stuff the gap between pipes and wall hole with sealing gum.
  4. Fix the wall pipe.
  5. Check if the indoor unit is installed firmly and closed to the wall.
  6. When mechanical connectors are reused indoors, sealing parts shall be renewed. When flared joints are reused indoors, the flare part shall be re-fabricated.

Diagram showing indoor unit hanging and sealing.

NOTICE: Do not bend the drain hose too excessively in order to prevent blocking.

Installation of Outdoor Unit

Step 1: Fix the support of outdoor unit

(select it according to the actual installation situation)

  1. Select installation location according to the house structure.
  2. Fix the support of outdoor unit on the selected location with expansion screws.

Diagram showing outdoor unit support and drain vent.

NOTICE: Take sufficient protective measures when installing the outdoor unit. Make sure the support can withstand at least four times of the unit weight. The outdoor unit should be installed at least 3cm above the floor in order to install drain joint. (for the model with heating tube, the installation height should be no less than 20cm.) For the unit with cooling capacity of 2300W~5000W, 6 expansion screws are needed; for the unit with cooling capacity of 6000W~8000W, 8 expansion screws are needed; for the unit with cooling capacity of 10000W~16000W, 10 expansion screws are needed.

Step 2: Install drain joint (only for some models)

  1. Connect the outdoor drain joint into the hole on the chassis, as shown in the picture below.
  2. Connect the drain hose into the drain vent.

NOTICE: As for the shape of drainage joint, please refer to the current product. Do not install the drainage joint in the severe cold area. Otherwise, it will be frosted and then cause malfunction.

Step 3: Fix outdoor unit

  1. Place the outdoor unit on the support.
  2. Fix the foot holes of outdoor unit with bolts.

Diagram showing outdoor unit foot holes.

Step 4: Connect indoor and outdoor pipes

  1. Remove the screw on the right handle of outdoor unit and then remove the handle.

Diagram showing handle removal.

  1. Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe.

Diagram showing valve, pipe joint, and gas/liquid pipes.

  1. Pretighten the union nut with hand.

4. Tighten the union nut with torque wrench by referring to the sheet below.

Hex nut diameter Tightening torque(N·m)
1/4" 15~20
3/8" 30~40
1/2" 45~55
5/8" 60~65
3/4" 70~75

Step 5: Connect outdoor electric wire

  1. Remove the wire clip; connect the power connection wire and signal control wire (only for cooling and heating unit) to the wiring terminal according to the color; fix them with screws.

Diagram of outdoor unit connection terminals (N(1), 2) with wire colors (blue, black, yellow-green).

NOTICE: The wiring board is for reference only, please refer to the actual one.

  1. Fix the power connection wire and signal control wire with wire clip (only for cooling and heating unit).

NOTICE: After tighten the screw, pull the power cord slightly to check if it is firm. Never cut the power connection wire to prolong or shorten the distance.

Step 6: Neaten the pipes

  1. The pipes should be placed along the wall, bent reasonably and hidden possibly. Min. semidiameter of bending the pipe is 10cm.
  2. If the outdoor unit is higher than the wall hole, you must set a U-shaped curve in the pipe before pipe goes into the room, in order to prevent rain from getting into the room.

Diagram showing pipe routing along the wall and U-shaped curve.

NOTICE:

Test and Operation

Use vacuum pump

  1. Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent.
  2. Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump.
  3. Open the piezometer completely and operate for 10-15min to check if the pressure of piezometer remains in -0.1MPa.
  4. Close the vacuum pump and maintain this status for 1-2min to check if the pressure of piezometer remains in -0.1MPa. If the pressure decreases, there may be leakage.
  5. Remove the piezometer, open the valve core of liquid valve and gas valve completely with inner hexagon spanner.
  6. Tighten the screw caps of valves and refrigerant charging vent.
  7. Reinstall the handle.

Diagram showing vacuum pump setup with piezometer, valves, and inner hexagon spanner.

Leakage detection

  1. With leakage detector: Check if there is leakage with leakage detector.
  2. With soap water: If leakage detector is not available, please use soap water for leakage detection. Apply soap water at the suspected position and keep the soap water for more than 3min. If there are air bubbles coming out of this position, there's a leakage.

Check after installation

Check according to the following requirement after finishing installation.

Items to be checked Possible malfunction
Has the unit been installed firmly? The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test? It may cause insufficient cooling(heating) capacity.
Is heat insulation of pipeline sufficient? It may cause condensation and water dripping.
Is water drained well? It may cause condensation and water dripping.
Is the voltage of power supply according to the voltage marked on the nameplate? It may cause malfunction or damage the parts.
Is electric wiring and pipeline installed correctly? It may cause malfunction or damage the parts.
Is the unit grounded securely? It may cause electric leakage.
Does the power cord follow the specification? It may cause malfunction or damage the parts.
Is there any obstruction in the air inlet and outlet? It may cause insufficient cooling(heating) capacity.
The dust and sundries caused during installation are removed? It may cause malfunction or damage the parts.
The gas valve and liquid valve of connection pipe are open completely? It may cause insufficient cooling (heating) capacity.
Is the inlet and outlet of piping hole been covered? It may cause insufficient cooling (heating) capacity or waste electricity.

Test operation

  1. Preparation of test operation
    • The client approves the air conditioner.
    • Specify the important notes for air conditioner to the client.
  2. Method of test operation
    • Put through the power, press "⏻" button on the remote controller to start operation.
    • Press MODE button to select AUTO, COOL, DRY, FAN and HEAT to check whether the operation is normal or not.
    • If the ambient temperature is lower than 16°C, the air conditioner can't start cooling.

Configuration of Connection Pipe

  1. Standard length of connection pipe: 5m, 7.5m, 8m.
  2. Min. length of connection pipe. For the unit with standard connection pipe of 5m, there is no limitation for the min length of connection pipe. For the unit with standard connection pipe of 7.5m and 8m, the min length of connection pipe is 3m.
  3. Max. length of connection pipe is shown as below.
Cooling capacity Max. length of connection pipe(m)
5000Btu/h (1465W) 15
7000Btu/h (2051W) 15
9000Btu/h (2637W) 15
12000Btu/h (3516W) 20
18000Btu/h (5274W) 25
24000Btu/h (7032W) 25
28000Btu/h (8204W) 30
36000Btu/h (10548W) 30
42000Btu/h (12306W) 30
48000Btu/h (14064W) 30

4. The calculation method of additional refrigerant oil and refrigerant charging amount after prolonging connection pipe. After the length of connection pipe is prolonged for 10m at the basis of standard length, you should add 5ml of refrigerant oil for each additional 5m of connection pipe.

The calculation method of additional refrigerant charging amount (on the basis of liquid pipe):

  1. Additional refrigerant charging amount= prolonged length of liquid pipe × additional refrigerant charging amount per meter
  2. Basing on the length of standard pipe, add refrigerant according to the requirement as shown in the table. The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe. See Sheet.

NOTICE: The additional refrigerant charging amount in Sheet is recommended value, not compulsory.

Pipe expanding method

NOTICE: Improper pipe expanding is the main cause of refrigerant leakage. Please expand the pipe according to the following steps:

A: Cut the pipe

Diagram showing pipe cutting with pipe cutter, indicating correct 90° angle and incorrect leaning, uneven, burr cuts.

B: Remove the burrs

• Remove the burrs with shaper and prevent the burrs from getting into the pipe.

Diagram showing burr removal with a shaper.

C: Put on suitable insulating pipe

(No specific text, implied by diagram)

D: Put on the union nut

Diagram showing union nut placement on pipe.

E: Expand the port

Diagram showing expander tool.

NOTICE: "A" is different according to the diameter, please refer to the sheet below:

Outer diameter (mm) A(mm)
Max Min
Ø6 - 6.35(1/4") 1.3 0.7
Ø9 - 9.52(3/8") 1.6 1.0
Ø12-12.7(1/2") 1.8 1.0
Ø15.8-16(5/8") 2.4 2.2
F: Inspection

Working temperature range

Indoor side DB/WB(°C) Outdoor side DB/WB(°C)
Maximum cooling 32/23 43/26

NOTE: The operating temperature range (outdoor temperature) for cooling only unit is 18°C~43°C.

Specialist's Manual

The following checks shall be applied to installations using flammable refrigerants:

Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a fault exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. This shall be reported to the owner of the equipment so all parties are advised.

Initial safety checks shall include:

Checks to the area

Prior to beginning work on systems containing flammable refrigerants, safety checks are necessary to ensure that the risk of ignition is minimised. For repair to the refrigerating system, DD.4.3 to DD.4.7 shall be completed prior to conducting work on the system.

Work procedure

Work shall be undertaken under a controlled procedure so as to minimise the risk of a flammable gas or vapour being present while the work is being performed.

General work area

All maintenance staff and others working in the local area shall be instructed on the nature of work being carried out. Work in confined spaces shall be avoided.

Checking for presence of refrigerant

The area shall be checked with an appropriate refrigerant detector prior to and during work, to ensure the technician is aware of potentially toxic or flammable atmospheres. Ensure that the leak detection equipment being used is suitable for use with all applicable refrigerants, i.e. non-sparking, adequately sealed or intrinsically safe.

Presence of fire extinguisher

If any hot work is to be conducted on the refrigerating equipment or any associated parts, appropriate fire extinguishing equipment shall be available to hand. Have a dry powder or CO2 fire extinguisher adjacent to the charging area.

Ventilated area

Ensure that the area is in the open or that it is adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere.

Checks to the refrigerating equipment

Where electrical components are being changed, they shall be fit for the purpose and to the correct specification. At all times the manufacturer's maintenance and service guidelines shall be followed. If in doubt, consult the manufacturer's technical department for assistance.

The following checks shall be applied to installations using flammable refrigerants:

Checks to electrical devices

Repair and maintenance to electrical components shall include initial safety checks and component inspection procedures. If a fault exists that could compromise safety, then no electrical supply shall be connected to the circuit until it is satisfactorily dealt with. If the fault cannot be corrected immediately but it is necessary to continue operation, an adequate temporary solution shall be used. This shall be reported to the owner of the equipment so all parties are advised.

Initial safety checks shall include:

No ignition sources

No person carrying out work in relation to a refrigerating system which involves exposing any pipe work shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. All possible ignition sources, including cigarette smoking, should be kept sufficiently far away from the site of installation, repairing, removing and disposal, during which refrigerant can possibly be released to the surrounding space.

Prior to work taking place, the area around the equipment is to be surveyed to make sure that there are no flammable hazards or ignition risks. "No Smoking" signs shall be displayed.

Repairs to sealed components

During repairs to sealed components, all electrical supplies shall be disconnected from the equipment being worked upon prior to any removal of sealed covers, etc. If it is absolutely necessary to have an electrical supply to equipment during servicing, then a permanently operating form of leak detection shall be located at the most critical point to warn of a potentially hazardous situation.

Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, excessive number of connections, terminals not made to original specification, damage to seals, incorrect fitting of glands, etc.

NOTE: The use of silicon sealant can inhibit the effectiveness of some types of leak detection equipment. Intrinsically safe components do not have to be isolated prior to working on them.

Repair to intrinsically safe components

Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use. Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmosphere. The test apparatus shall be at the correct rating.

Replace components only with parts specified by the manufacturer. Other parts may result in the ignition of refrigerant in the atmosphere from a leak.

Cabling

Check that cabling will not be subject to wear, corrosion, excessive pressure, vibration, sharp edges or any other adverse environmental effects. The check shall also take into account the effects of aging or continual vibration from sources such as compressors or fans.

Leak detection methods

Leak detection fluids are suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work.

Detection of flammable refrigerants

Under no circumstances shall potential sources of ignition be used in the searching for or detection of refrigerant leaks. A halide torch (or any other detector using a naked flame) shall not be used.

The following leak detection methods are deemed acceptable for all refrigerant systems.

Electronic leak detectors may be used to detect refrigerant leaks but, in the case of flammable refrigerants, the sensitivity may not be adequate, or may need re-calibration. (Detection equipment shall be calibrated in a refrigerant-free area.) Ensure that the detector is not a potential source of ignition and is suitable for the refrigerant used. Leak detection equipment shall be set at a percentage of the LFL of the refrigerant and shall be calibrated to the refrigerant employed, and the appropriate percentage of gas (25% maximum) is confirmed.

Leak detection fluids are also suitable for use with most refrigerants but the use of detergents containing chlorine shall be avoided as the chlorine may react with the refrigerant and corrode the copper pipe-work.

NOTE: Examples of leak detection fluids are:

If a leak is suspected, all naked flames shall be removed/extinguished.

If a leakage of refrigerant is found which requires brazing, all of the refrigerant shall be recovered from the system, or isolated (by means of shut off valves) in a part of the system remote from the leak. Removal of refrigerant shall be according to clause DD.9.

Removal and evacuation

When breaking into the refrigerant circuit to make repairs - or for any other purpose - conventional procedures shall be used. However, for flammable refrigerants it is important that best practice is followed since flammability is a consideration. The following procedure shall be adhered to:

The refrigerant charge shall be recovered into the correct recovery cylinders. For appliances containing flammable refrigerants other than A2L refrigerants, the system shall be purged with oxygen-free nitrogen to render the appliance safe for flammable refrigerants. This process may need to be repeated several times. Compressed air or oxygen shall not be used for purging refrigerant systems.

For appliances containing flammable refrigerants, other than A2L refrigerants, refrigerants purging shall be achieved by breaking the vacuum in the system with oxygen-free nitrogen and continuing to fill until the working pressure is achieved, then venting to atmosphere, and finally pulling down to a vacuum. This process shall be repeated until no refrigerant is within the system. When the final oxygen-free nitrogen charge is used, the system shall be vented down to atmospheric pressure to enable work to take place. This operation is absolutely vital if brazing operations on the pipe-work are to take place.

Ensure that the outlet for the vacuum pump is not close to any potential ignition sources and that ventilation is available.

Charging procedures

In addition to conventional charging procedures, the following requirements shall be followed.

Prior to recharging the system, it shall be pressure-tested with the appropriate purging gas. The system shall be leak-tested on completion of charging but prior to commissioning. A follow up leak test shall be carried out prior to leaving the site.

Decommissioning

Before carrying out this procedure, it is essential that the technician is completely familiar with the equipment and all its detail. It is recommended good practice that all refrigerants are recovered safely. Prior to the task being carried out, an oil and refrigerant sample shall be taken in case analysis is required prior to re-use of recovered refrigerant. It is essential that electrical power is available before the task is commenced.

  1. Become familiar with the equipment and its operation.
  2. Isolate system electrically.
  3. Before attempting the procedure, ensure that:
    • mechanical handling equipment is available, if required, for handling refrigerant cylinders;
    • all personal protective equipment is available and being used correctly;
    • the recovery process is supervised at all times by a competent person;
    • recovery equipment and cylinders conform to the appropriate standards.
  4. Pump down refrigerant system, if possible.
  5. If a vacuum is not possible, make a manifold so that refrigerant can be removed from various parts of the system.

f) Make sure that cylinder is situated on the scales before recovery takes place.

g) Start the recovery machine and operate in accordance with manufacturer's instructions.

h) Do not overfill cylinders. (No more than 80% volume liquid charge).

i) Do not exceed the maximum working pressure of the cylinder, even temporarily.

j) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are removed from site promptly and all isolation valves on the equipment are closed off.

k) Recovered refrigerant shall not be charged into another refrigerating system unless it has been cleaned and checked.

Labelling

Equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. For appliances containing flammable refrigerants, ensure that there are labels on the equipment stating the equipment contains flammable refrigerant.

Recovery

When removing refrigerant from a system, either for servicing or decommissioning, it is recommended good practice that all refrigerants are removed safely.

When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed. Ensure that the correct number of cylinders for holding the total system charge is available. All cylinders to be used are designated for the recovered refrigerant and labelled for that refrigerant (i.e. special cylinders for the recovery of refrigerant). Cylinders shall be complete with pressure-relief valve and associated shut-off valves in good working order. Empty recovery cylinders are evacuated and, if possible, cooled before recovery occurs. The recovery equipment shall be in good working order with a set of instructions concerning the equipment that is at hand and shall be suitable for the recovery of all appropriate refrigerants including, when applicable, flammable refrigerants. In addition, a set of calibrated weighing scales shall be available and in good working order. Hoses shall be complete with leak-free disconnect couplings and in good condition. Before using the recovery machine, check that it is in satisfactory working order, has been properly maintained and that any associated electrical components are sealed to prevent ignition in the event of a refrigerant release. Consult manufacturer if in doubt.

The recovered refrigerant shall be returned to the refrigerant supplier in the correct recovery cylinder, and the relevant waste transfer note arranged. Do not mix refrigerants in recovery units and especially not in cylinders.

If compressors or compressor oils are to be removed, ensure that they have been evacuated to an acceptable level to make certain that flammable refrigerant does not remain within the lubricant. The evacuation process shall be carried out prior to returning the compressor to the suppliers. Only electric heating to the compressor body shall be employed to accelerate this process. When oil is drained from a system, it shall be carried out safely.

General

Product Information and Warranty Registration

Please record the following product details:

本產品不斷改進中,如功能有所更改,恕不另行通知 如有疑問,請與客戶服務中心聯絡。不便之處,敬請原諒。

The product specifications may be changed without prior notice. Please contact customer service for details if necessary.

說明書內容以英文版本為準

If there is any inconsistency or ambiguity between the English version and the Chinese version, the English version shall prevail.

Warranty Registration

Register your product online at www.dchtoolbox.com

Gilman since 1841

DCH ToolBox

Customer Service Centre

4/F, DCH Building, 20 Kai Cheung Road, Kowloon Bay, Hong Kong

Customer Service Hotline: (852) 8210 8210

E-mail: 8210service@gilman-group.com

Website: www.gilman-group.com

Models: GSC09UZE-GSC09UZC, GSC12UZE-GSC12UZC, GSC18UZE-GSC18UZC, GSC24UZE-GSC24UZC, GSC18UZC COSMO Split Type Air Conditioner, GSC18UZC, COSMO Split Type Air Conditioner, Split Type Air Conditioner, Air Conditioner

File Info : application/pdf, 33 Pages, 10.17MB

PDF preview unavailable. Download the PDF instead.

GREE GSC09UZE ENG UM

References

Adobe PDF library 10.01 Adobe Illustrator CS6 (Windows)

Related Documents

Preview Gree Cosmo Split Type Air Conditioner GSC Series Technical Specifications and Installation Guide
Detailed technical specifications, installation instructions, and operation guide for Gree Cosmo split type air conditioners, models GSC09UZ, GSC12UZ, GSC18UZ, and GSC24UZ, featuring R32 refrigerant.
Preview GREE Split Air Conditioner Owner's Manual and Installation Guide
Comprehensive owner's manual and installation guide for GREE split air conditioners, covering safety precautions, parts, operation, maintenance, installation, and troubleshooting. Includes specialist information for handling refrigerants.
Preview GREE FLEXX ULTRA R32 Air Handler Owner's Manual & Installation Guide
Comprehensive owner's manual and installation guide for GREE FLEXX ULTRA R32 Air Handler models FXU24HP230V1R32AH, FXU36HP230V1R32AH, FXU48HP230V1R32AH, and FXU60HP230V1R32AH. Covers safety, operation, installation, maintenance, and troubleshooting.
Preview GREE FLEXX ULTRA R32 Indoor Unit: Owner's and Installation Manual
Comprehensive guide for installing and operating the GREE FLEXX ULTRA R32 indoor unit, covering safety precautions, product specifications, installation procedures, maintenance, and troubleshooting.
Preview Gree Split Air Conditioner Owner's Manual
Official owner's manual for Gree Split Air Conditioners. Find detailed instructions on operation, installation, maintenance, and troubleshooting for models like GWH07QB, GWH09QB, GWH12QC, GWH18QD, GWH24QE. Includes safety guidelines and remote control features.
Preview Gree Split Air Conditioner Owner's Manual and Installation Guide
Comprehensive owner's manual for Gree Split Air Conditioners, covering model series GWHD(14)NK600 through GWHD(42)NK600. Includes detailed instructions on operation, maintenance, safety precautions, electrical connections, installation, and troubleshooting.
Preview GREE Split Air Conditioner Owner's Manual: Installation, Operation, and Safety
Comprehensive owner's manual for GREE Split Air Conditioners (GWHD series), covering installation, operation, maintenance, safety precautions, and technical specifications. Includes detailed instructions for various models.
Preview GREE GJC05BV-A6NMNE1A Window Air Conditioner Owner's Manual
This owner's manual provides essential safety precautions, installation instructions, operating guidelines, care and cleaning tips, troubleshooting advice, and warranty information for the GREE GJC05BV-A6NMNE1A window type air conditioner.