Infinity Living Ducted Air Handler with DIYCOOL TECHNOLOGY
Owner's Manual
Models Covered: EZ-24-AH, EZ-36-AH, EZ-48-AH, EZ-60-AH
Important Note
Read this manual carefully before installing or operating your new air conditioning unit. Make sure to save this manual for future reference.
Version Date: 05-13-24
Safety Precautions
To prevent injury to the user or other people and property damage, the instructions shown here must be followed. Incorrect operation due to ignoring of instructions may cause harm or damage. The level of risk is shown by the following indications:
- WARNING: This symbol indicates the possibility of personnel injury or loss of life.
- CAUTION: This symbol indicates the possibility of property damage or serious consequences.
- NOTICE: This symbol addresses practices not related to physical injury.
Warnings for Product Use
- If an abnormal situation arises (like a burning smell), immediately turn off the unit and disconnect the power. Call your dealer for instructions to avoid electric shock, fire or injury.
- Do not insert fingers, rods or other objects into the air inlet or outlet. This may cause injury, since the fan may be rotating at high speeds.
- Do not use flammable sprays such as hair spray, lacquer or paint near the unit. This may cause fire or combustion.
- Do not operate the air conditioner in places near or around combustible gases. Emitted gas may collect around the unit and cause explosion.
- Do not operate your air conditioner in a wet room such as a bathroom or laundry room. Too much exposure to water can cause electrical components to short circuit.
- Do not expose your body directly to cool air for a prolonged period of time.
- Do not allow children to play with the air conditioner. Children must be supervised around the unit at all times.
- If the air conditioner is used together with burners or other heating devices, thoroughly ventilate the room to avoid oxygen deficiency and carbon monoxide build up.
- In certain environments, such as kitchens, server rooms, etc., the use of specially designed air-conditioning units is highly recommended.
- Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a licensed professional HVAC installer or equivalent, service agency, or the gas supplier.
Warnings for Cleaning and Maintenance
- Turn off the device and disconnect the power before cleaning. Failure to do so can cause electrical shock.
- Do not clean the air conditioner with excessive amounts of water.
- Do not clean the air conditioner with combustible cleaning agents. Combustible cleaning agents can cause fire or deformation.
Caution
- Turn off the air conditioner and disconnect the power if you are not going to use it for a long time.
- Turn off and unplug the unit during storms.
- Make sure that water condensation can drain unhindered from the unit.
- Do not operate the air conditioner with wet hands. This may cause electric shock.
- Do not use the device for any other purpose than its intended use.
- Do not climb onto or place objects on top of the outdoor unit.
- Do not allow the air conditioner to operate for long periods of time with doors or windows open, or if the humidity is very high.
- As with any mechanical equipment, contact with sharp sheet metal edges can result in personal injury. Take care while handling this equipment and wear gloves and protective clothing.
Electrical Warnings
- Only use the specified power cord. If the power cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
- Keep power plug clean. Remove any dust or grime that accumulates on or around the plug. Dirty plugs can cause fire or electric shock.
- Do not pull power cord to unplug unit. Hold the plug firmly and pull it from the outlet. Pulling directly on the cord can damage it, which can lead to fire or electric shock.
- Do not modify the length of the power supply cord or use an extension cord to power the unit.
- Do not share the electrical outlet with other appliances. Improper or insufficient power supply can cause fire or electrical shock.
- The product must be properly grounded at the time of installation, or electrical shock may occur.
- For all electrical work, follow all local and national wiring standards, regulations, and the Installation Manual. Connect cables tightly, and clamp them securely to prevent external forces from damaging the terminal. Improper electrical connections can overheat and cause fire, and may also cause shock. All electrical connections must be made according to the Electrical Connection Diagram located on the panels of the indoor and outdoor units.
- All wiring must be properly arranged to ensure that the control board cover can close properly. If the control board cover is not closed properly, it can lead to corrosion and cause the connection points on the terminal to heat up, catch fire, or cause electrical shock.
- If connecting power to fixed wiring, an all-pole disconnection device which has at least 3mm clearances in all poles, and have a leakage current that may exceed 10mA, the residual current device(RCD) having a rated residual operating current not exceeding 30mA, and disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.
Take Note of Fuse Specifications
The air conditioner's circuit board (PCB) is designed with a fuse to provide overcurrent protection. This Fuse MUST be replaced with identical component. The specifications of the fuse are printed on the circuit board, examples of such are T5A/250VAC and T10A/250VAC.
Warnings for Product Installation
- Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire.
- Installation must be performed according to the installation instructions. Improper installation can cause water leakage, electrical shock, or fire. (In North America, installation must be performed in accordance with the requirement of NEC and CEC by authorized personnel only.)
- Contact an authorized service technician for repair or maintenance of this unit. This appliance shall be installed in accordance with national wiring regulations.
- Only use the included accessories, parts, and specified parts for installation. Using non-standard parts can cause water leakage, electrical shock, fire, and can cause the unit to fail.
- Install the unit in a firm location that can support the unit's weight. If the chosen location cannot support the unit's weight, or the installation is not done properly, the unit may drop and cause serious injury and damage.
- Install drainage piping according to the instructions in this manual. Improper drainage may cause water damage to your home and property.
- For units that have an auxiliary electric heater, do not install the unit within 1 meter (3 feet) of any combustible materials.
- Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas accumulates around the unit, it may cause fire.
- Do not turn on the power until all work has been completed.
- When moving or relocating the air conditioner, consult experienced service technicians for disconnection and reinstallation of the unit.
- Refer to the "Indoor Unit Installation" and "Outdoor Unit Installation" sections for details on how to install the appliance to its support.
- Excessive Weight Hazard - Use two or more people when moving and installing the unit. Failure to do so can result in back or other type of injury.
Note About Fluorinated Gases (Not Applicable to the Unit Using R290 Refrigerant)
- This air-conditioning unit contains fluorinated greenhouse gases. For specific information on the type of gas and the amount, please refer to the relevant label on the unit itself or the "Owner's Manual - Product Fiche" in the packaging of the outdoor unit. (European Union products only).
- Installation, service, maintenance and repair of this unit must be performed by a certified technician.
- Product uninstallation and recycling must be performed by a certified technician.
- For equipment that contains fluorinated greenhouse gases in quantities of 5 tonnes of CO2 equivalent or more, but of less than 50 tonnes of CO2 equivalent, if the system has a leak-detection system installed, it must be checked for leaks at least every 24 months.
- When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.
Notice
The allowed static pressure range of the air conditioner on site is 0-0.80 in-H2O (0-200 Pa).
| MODEL | PRESSURE |
|---|---|
| 18-24K | 0.10 in-H2O (25Pa) |
| 30-36K | 0.15 in-H2O (37Pa) |
| 48-60K | 0.20 in-H2O (50Pa) |
Indoor Unit Parts and Major Functions
Unit Parts
A diagram shows the indoor unit with labels for "Air outlet" and "Air inlet". A "FILTER COVER" is also indicated.
Operating Conditions
Use the system under the following temperatures for safe and effective operation. If the air conditioner is used under different conditions, it may malfunction or become less efficient.
Inverter Split Type
| COOL mode | HEAT mode | DRY mode | |
|---|---|---|---|
| Room Temperature | 16°C - 32°C (60°F - 90°F) | 0°C - 30°C (32°F - 86°F) | 10°C - 32°C (50°F - 90°F) |
| Outdoor Temperature | 0°C - 50°C (32°F - 122°F) | -15°C - 50°C (5°F - 122°F) (For models with low temp. cooling systems.) | 0°C - 50°C (32°F - 122°F) |
| 0°C - 52°C (32°F - 126°F) (For special tropical models) | -15°C - 24°C (5°F - 75°F) | 0°C - 52°C (32°F - 126°F) (For special tropical models) |
For Outdoor Units with Auxiliary Electric Heater
When outside temperature is below 0°C(32°F), we strongly recommend keeping the outdoor unit powered at all times to prevent damage to equipment.
Fixed-speed Type
| COOL mode | HEAT mode | DRY mode | |
|---|---|---|---|
| Room Temperature | 16°C-32°C (60°F-90°F) | 0°C-30°C (32°F-86°F) | 10°C-32°C (50°F-90°F) |
| Outdoor Temperature | 18°C-43°C (64°F-109°F) | -7°C-43°C (19°F-109°F) (For models with low-temp cooling systems) | 11°C-43°C (52°F-109°F) |
| 18°C-52°C (64°F-126°F) (For special tropical models) | -7°C-24°C (19°F-75°F) | 18°C-43°C (64°F-109°F) | |
| 18°C-52°C (64°F-126°F) (For special tropical models) |
NOTICE: Room relative humidity less than 80%. If the air conditioner operates in excess of this figure, the surface of the air conditioner may attract condensation.
Features
Refrigerant Leak Detection System (some models)
In the event of a refrigerant leak, the LCD screen will display "ELOC" and the LED indicator light will flash. The default temperature of the first power-on is set to 16 degrees for refrigeration and 30 degrees for heating. When the temperature stops, the temperature is set at the room temperature at that time.
NOTICE:
- Under normal working conditions, the switch, wind speed and temperature cannot be adjusted by remote control.
- Requirements of wire controller: Control AXU function for live heating.
Energy Saving Tips
- DO NOT set the unit to excessive temperature levels.
- While cooling, close the curtains to avoid direct sunlight.
- Doors and windows should be kept closed to keep cool or warm air in the room.
- DO NOT place objects near the air inlet and outlet of the unit.
- Replace the air filter every 30 to 90 days depending on thickness and MERV.
A diagram shows curtains closed and text "Closing curtains during heating also helps keep the heat in". Another diagram shows closed doors and windows with text "Doors and windows should be kept closed".
Care and Maintenance
Cleaning Your Indoor Unit
BEFORE CLEANING OR MAINTENANCE
- Always turn off your air conditioner system and disconnect its power supply before cleaning or maintenance.
- Contact an authorized service technician for repair or maintenance. Improper repair and maintenance may cause water leakage, electrical shock, or fire, and may void your warranty.
- DO NOT substitute a blown fuse with a higher or lower amperage rating fuse, as this may cause circuit damage or an electrical fire. Replacement Fuse must be identical to one removed.
- Make sure the drain hose is set up according to the instructions. Failure to do so could cause leakage and result in personal property damage, fire and electric shock.
- Make sure that all wires are connected properly. Failure to connect wires according to instructions can result in electrical shock or fire.
CAUTION
- Only use a soft, dry cloth to wipe the unit clean. If the unit is especially dirty, you can use a cloth soaked in warm water to wipe it clean.
- Do not use chemicals or chemically treated cloths to clean the unit.
- Do not use benzene, paint thinner, polishing powder or other solvents to clean the unit. They can cause the plastic surface to crack or deform. Use of volatile cleaners may cause fire, resulting in injury or death.
- Do not use water hotter than 40°C (104°F) to clean the front panel. This can cause panel to deform or become discolored.
- DO NOT wash the unit under running water. Doing so creates an electrical hazard.
- Clean the unit using a damp, lint-free cloth and neutral detergent. Dry the unit with a dry, lint-free cloth.
NOTICE: Replace the air filter every 30 to 90 days depending on MERV rating.
A diagram shows an indoor unit with labels for "Air filter cover plate" and "Air filter".
Maintenance – Long Periods of Non-Use
If you plan not to use your air conditioner for an extended period of time, do the following:
- Clean all filters.
- Turn on FAN function until unit dries out completely.
Maintenance – Pre-Season Inspection
After long periods of non-use, or before periods of frequent use, do the following:
- Check for damaged wires.
- Clean all filters.
- Check for leaks.
- Make sure nothing is blocking all air inlets and outlets.
Troubleshooting
SAFETY PRECAUTIONS
- If any of the following conditions occurs, turn off your unit immediately!
- You smell a burning odor.
- The unit emits loud or abnormal sounds.
- A power fuse blows or the circuit breaker frequently trips.
- Water or other objects fall into or out of the unit.
DO NOT ATTEMPT TO FIX THESE YOURSELF! CONTACT AN AUTHORIZED SERVICE PROVIDER IMMEDIATELY!
Common Issues
The following problems are not a malfunction and in most situations will not require repairs.
| Issue | Possible Causes |
|---|---|
| Unit does not turn on when pressing ON/OFF button | The Unit has a 3-minute protection feature that prevents the unit from overloading. The unit cannot be restarted within three minutes of being turned off. Cooling and Heating Models: If the Operation light and PRE-DEF (Pre-heating/Defrost) indicators are lit up, the outdoor temperature is too cold and the unit's anti-cold wind is activated in order to defrost the unit. In Cooling-only Models: If the “Fan Only” indicator is lit up, the outdoor temperature is too cold and the unit's anti-freeze protection is activated in order to defrost the unit. |
| The unit changes from COOL/HEAT mode to FAN mode | The unit may change its setting to prevent frost from forming on the unit. Once the temperature increases, the unit will start operating in the previously selected mode again. |
| The indoor unit emits white mist | The set temperature has been reached, at which point the unit turns off the compressor. The unit will continue operating when the temperature fluctuates again. |
| Both the indoor and outdoor units emit white mist | In humid regions, a large temperature difference between the room's air and the conditioned air can cause white mist. When the unit restarts in HEAT mode after defrosting, white mist may be emitted due to moisture generated from the defrosting process. |
| The indoor unit makes noises | A squeaking sound is heard when the system is OFF or in COOL mode. The noise is also heard when the drain pump (optional) is in operation. A squeaking sound may occur after running the unit in HEAT mode due to expansion and contraction of the unit's plastic parts. |
| Both the indoor unit and outdoor unit make noises | Low hissing sound during operation: This is normal and is caused by refrigerant gas flowing through both indoor and outdoor units. Low hissing sound when the system starts, has just stopped running, or is defrosting: This noise is normal and is caused by the refrigerant gas stopping or changing direction. Squeaking sound: Normal expansion and contraction of plastic and metal parts caused by temperature changes during operation can cause squeaking noises. |
| The outdoor unit makes noises | The unit will make different sounds based on its current operating mode. |
| Dust is emitted from either the indoor or outdoor unit | The unit may accumulate dust during extended periods of non-use, which will be emitted when the unit is turned on. This can be mitigated by covering the unit during long periods of inactivity. |
| The unit emits a bad odor | The unit may absorb odors from the environment (such as furniture, cooking, cigarettes, etc.) which will be emitted during operations. The unit's filters have become moldy and should be cleaned. |
| The fan of the outdoor unit does not operate | During operation, the fan speed is controlled to optimize product operation. |
NOTICE: If problem persists, contact a local dealer. Provide them with a detailed description of the unit malfunction as well as your model number.
Troubleshooting
| Problem | Possible Causes | Solution |
|---|---|---|
| Poor Cooling Performance | Temperature setting may be higher than ambient room temperature | Lower the temperature setting |
| The heat exchanger on the indoor or outdoor unit is dirty | Clean the affected heat exchanger | |
| The air filter is dirty | Remove the filter and clean it according to instructions | |
| The air inlet or outlet of either unit is blocked | Turn the unit off, remove the obstruction and turn it back on | |
| Doors and windows are open | Make sure that all doors and windows are closed while operating the unit | |
| Excessive heat is generated by sunlight | Close windows and curtains during periods of high heat or bright sunshine | |
| Too many sources of heat in the room (people, computers, electronics, etc.) | Reduce amount of heat sources | |
| Low refrigerant due to leak or long-term use | Check for leaks, re-seal if necessary and top off refrigerant | |
| The unit is not working | Power failure | Wait for the power to be restored |
| The power is turned off | Turn on the power | |
| The fuse is burned out | Replace the fuse | |
| The Unit's 3-minute protection has been activated | Wait three minutes after restarting the unit | |
| Timer is activated | Turn timer off | |
| The unit starts and stops frequently | There's too much or too little refrigerant in the system | Check for leaks and recharge the system with refrigerant |
| Incompressible gas or moisture has entered the system. | Evacuate and recharge the system with refrigerant | |
| System circuit is blocked | Determine which circuit is blocked and replace the malfunctioning piece of equipment | |
| The compressor is broken | Replace the compressor | |
| Poor heating performance | The voltage is too high or too low | Install a manostat to regulate the voltage |
| The outdoor temperature is extremely low | Use auxiliary heating device | |
| Cold air is entering through doors and windows | Make sure that all doors and windows are closed during use | |
| Low refrigerant due to leak or long-term use | Check for leaks, re-seal if necessary and top off refrigerant |
File Info : application/pdf, 16 Pages, 1.67MB
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