Hisense KFR-2601GW/BPE KFR-2801GW/BPE Split Type Air Conditioner
Hisense Corporation
Features
This air conditioner provides cooling, heating, and drying functions. Details of the functions are below:
- Compact Size: This model is smaller than its predecessors and offers the same capabilities.
- Microprocessor Controlled Operation: The interior compartment of the remote control unit contains several features to facilitate automatic operation, clearly displayed for easy use.
- Simple One-touch Wireless Remote Control: The remote control unit has several features to facilitate automatic operation.
- 12-Hour ON or OFF Timer: This timer can be set to automatically turn the unit on or off at any time within a 12-hour period.
- 1-Hour OFF Timer: This timer can be set to automatically turn off the unit after one hour.
- Night Setback: Pressing the SLEEP button changes the room temperature thermostat setting, allowing you to set the temperature at a comfortable level.
- Automatic and 3-step Fan Speed: Options include Auto/High/Medium/Low.
- Intelligence Frequency Conversation: The microcomputer controls output energy based on environment temperature changes for precise room temperature control.
- Air Sweep Control: A flap moves up and down in the air outlet, directing air in a sweeping motion for comfort in every corner.
- Automatic Switching between Cooling and Heating: The unit automatically switches between cooling and heating operations based on the difference between room temperature and set temperature.
- Hot Start Heating System: Ensures warm and comfortable air from the start, preventing cold blasts during heat pump warming or defrosting.
- Automatic Restart Function for Power Failure: Preset programmed operation can be reactivated after a power resume.
- Anti-Mold Filter: Equipped with an anti-mold filter to inhibit mold and bacteria growth.
- High Power Running: Provides strong airflow to quickly make you feel comfortable.
Alert Symbols
[WARNING] The symbol refers to a hazard or an unsafe practice which can result in severe personal injury or death.
[CAUTION] The symbol refers to a hazard or an unsafe practice which can result in personal injury or product damage.
Caution Statements
[WARNING] We recommend installation by qualified technicians according to provided instructions. Before installation, verify the electric supply voltage matches the nameplate.
[WARNING] Do not install where there are fumes, flammable gases, or in extremely humid spaces. Avoid locations with excessively high heat-generating objects.
Avoid: To protect from heavy corrosion, avoid installing the outdoor unit where salty sea water can splash directly onto it or in sulphurous air near a spa.
Wiring Requirements: All wiring must conform to local electrical codes. Each unit must be properly grounded. Wiring must be done by a qualified electrician. Consider the capacity of the electrical current of your kilowatt-hour meter wires and socket before installation.
[WARNING] Read this manual carefully before use. Consult your dealer for any difficulties. The air conditioner is for comfortable room conditions only. Never use or store gasoline or other flammable vapor or liquid nearby. The unit has no ventilator for fresh air intake; open doors/windows frequently when using gas/oil heating appliances in the same room to prevent suffocation.
[CAUTION] Do not turn the unit on/off using the power mains switch; use the ON/OFF operation button. Do not insert anything into the air outlet of the outdoor unit. Do not let children play with the unit. Avoid extreme cooling or heating if babies or invalids are present.
Composition of the Air Conditioner
Diagram of Structure
The diagram shows an INDOOR UNIT with an air intake grille and an air outlet, and an OUTDOOR UNIT with an air outlet. These units are connected by Refrigerant tubes and a Drain hose. A Remote control unit is also depicted.
Component Descriptions:
- Air Intake: Air from the room is drawn in, passes through air filters to remove dust.
- Air Outlet: Conditioned air is blown out of the unit.
- Remote Control Unit: A wireless unit that controls power, operation mode, temperature, fan speed, timer, and air sweeping.
- Refrigerant Tubes: Copper tubes connecting indoor and outdoor units, carrying refrigerant gas.
- Outdoor (Condensing) Unit: Contains the compressor, fan motor, heat exchanger coil, and electrical components.
- Drain Hose: Carries condensed moisture from the room.
Introduction of the Indoor Control Unit
IMPORTANT: Avoid using radio equipment like mobile phones near the indoor unit (within 1m) as it may cause malfunction. If trouble occurs, disconnect power and restart after a few minutes.
Indoor Unit Controls:
The indoor unit features indicator lamps and an ON/OFF button:
- REMOTE CONTROL receiver: Picks up infrared signals from the remote control.
- POWER lamp: Lights when the air conditioner is in operation mode.
- TIMER lamp: Lights when the system is controlled by the timer.
- OPERATING lamp: Lights when the outdoor unit is electrified.
- HIGH POWER lamp: Lights when the air conditioner runs efficiently.
- ON/OFF button: For emergent state operation; use the remote control in common state. If the remote is lost or faulty, this button can turn the unit on/off.
Introduction of Display Symbols
The remote control display shows various indicators:
- SET TEMP: Displays the set temperature.
- °C: Unit of temperature.
- 1HOUR: Displayed when the one-hour OFF timer is enabled.
- AUTO, ON, OFF: Indicators for operation modes and timer settings.
- A: Indicates when transmitting data, temperature is shown, or temperature setting is at allowable limits.
- Night Setback indicator: Shown when Night Setback is running.
- Main unit sensor indicator: Shown when the main unit sensor is in use.
Symbols:
- (1) Operation mode: AUTO, COOL, HEAT, MILD DRY, FAN.
- (2) Fan speed: Automatic operation, HIGH, MEDIUM, LOW.
- (3) Set temperature: Range 16-30°C. Current temperature indication is also shown.
- (4) Timer: 12-hour ON Timer, 12-hour OFF Timer, 1-hour OFF Timer.
- (5) NIGHT SETBACK: Indicator for Night Setback mode.
- (6) Confirmation of transmission: Indicates signal transmission.
- (7) Flap angle indication: Shows the position of the airflow flap.
- (8) Sweep indication: Indicates the sweep function is active.
- (9) Indoor unit sensor: Indicates the indoor unit's sensor is active.
- (10) Simultaneous use energy saving: Indicator for energy saving mode.
Introduction of the Remote Control Unit
The remote control unit consists of a Transmitter (with buttons) and a Sensor. The display shows operating conditions.
Remote Control Buttons:
- 1 HR. TIMER button: For 1-hour timer function.
- HIGH POWER button: Activates high power operation.
- FLAP button: Adjusts airflow direction or activates sweep function.
- TIMER ON/OFF button: Sets ON or OFF timers.
- TIMER SET/CANCEL button: Sets or cancels timer settings.
- A/C SENSOR button: Switches between remote and indoor unit sensors.
- MODE selector button: Selects AUTO, HEAT, DRY, COOL, or FAN mode.
- FAN SPEED selector button: Selects fan speed (AUTO, High, Medium, Low).
- NIGHT SETBACK button: Activates Night Setback mode.
- ACL button: Resets the remote control unit.
- SOFT button: Limits maximum electric current for simultaneous use.
- TEMP. Setting buttons: Increase or decrease the set temperature.
- ON/OFF operation button: Turns the air conditioner on and off.
NOTE: When buttons are pressed, a mark appears on the display to confirm transmission. The remote control's sensor detects room temperature. If the remote signal is lost, the unit uses the indoor unit sensor.
Operation Guide
How to Install Batteries:
- Slide the cover in the direction indicated by the arrow and remove it.
- Install two AAA alkaline batteries, ensuring correct polarity.
- Use a thin object like a pen tip to press the ACL button.
NOTE: Replace batteries when the display is dim or the unit is unresponsive. Use fresh, leak-proof AAA alkaline batteries. Remove batteries if the unit is not used for over 1 month.
How to Use the Remote Control Unit:
Always point the Transmitter head directly at the air conditioner's receiver.
Remote Control Unit Installation Position:
DO NOT install the remote control unit in the following locations to ensure correct operation:
- In direct sunlight.
- Behind curtains or covered places.
- More than 8 meters away from the air conditioner.
- In the path of the air conditioner's airstream.
- Where it may become extremely hot or cold.
- Where it may be subject to strong electromagnetic interference.
- Where there is an obstacle between the remote control unit and the air conditioner.
Operation with the Remote Control Unit
Ensure the circuit breaker is ON and the indoor unit's operation selector is in the ON position.
Setting Procedures:
- STEP 1: Press the MODE selector button to choose the desired mode (AUTO, HEAT, DRY, COOL, FAN).
- STEP 2: Press the ON/OFF operation button to start the air conditioner.
- STEP 3: Press the TEMP setting button to adjust the temperature (range: 16-30°C).
- STEP 4: Set the FAN SPEED selector button to choose the fan speed (AUTO, High, Medium, Low). If AUTO is selected, the fan speed adjusts automatically based on room temperature.
- STEP 5: Press the FLAP button to set the desired airflow direction or sweep.
To stop the air conditioner, press the ON/OFF operation button again.
Adjusting the Fan Speed
A. Automatic Fan Speed:
Set the FAN SPEED selector to AUTO. The microcomputer automatically controls fan speed based on the difference between room temperature (RT) and set temperature (T).
Cooling mode:
| When difference between room temperature and set temperature is | Fan speed |
|---|---|
| RT T+3 | High |
| T+3 RT T+1 | Medium |
| RT T+1 | Low |
Mild drying mode:
| When difference between room temperature and set temperature is | Fan speed |
|---|---|
| RT T+5 | High |
| T+5 RT T+3 | Medium |
| T+2 RT T+3 | Low |
Heating mode:
| When difference between room temperature and set temperature is | Fan speed |
|---|---|
| RT T-3 | High |
| T-3 RT T-1 | Medium |
| T-1 RT | Low |
NOTE: Tables assume remote control sensor is used. If indoor unit sensor is active (indicator on), operation may differ slightly.
B. Manual Fan Speed:
Set the FAN SPEED selector to High [?], Medium [?], or Low [?] for manual adjustment.
Adjusting the Airflow Direction
1. Horizontal Airflow:
Adjust the horizontal airflow by manually moving the vertical vanes left or right.
[CAUTION] When humidity is high, keep vertical vanes in the front position during cooling or dehumidifying. If vanes are fully to the right or left, condensation may form and drip.
2. Vertical Airflow:
Use the FLAP button on the remote control to set the vertical airflow direction or activate the sweep function.
- A. Sweep function: The flap moves up and down to deliver air over a range.
- B. Automatic Function: The flap moves up and down automatically during cooling/drying (from [position 1] to [position 6]) and heating (from [position 6] to [position 1]) operations.
NOTE: The flap automatically closes when the unit is off.
[CAUTION] If the flap is moved by hand, its position may not match the remote control. If this occurs, turn the unit off, wait for the flap to close, then turn it back on. Do not point the flap downwards during cooling operation, as condensation may form and drip.
Night Setback / Simultaneous Use Energy Saving
Night Setback Mode:
This mode saves energy. Press the SLEEP button during operation. The [SLEEP symbol] indicator appears. Press SLEEP again to cancel.
NOTE: This function may disable automation or airflow mode settings.
In Cooling and DRY Mode:
The unit automatically raises the temperature by 1°C after 60 minutes and stops operating after approximately 6 hours, saving energy without sacrificing comfort.
In Heating Mode:
The unit automatically drops the temperature by 2°C after 1 hour, then by another 2°C after another hour, and then raises it by 1°C after 3 hours, stopping automatically after another 3 hours.
Simultaneous Use Energy Saving Mode:
Limit maximum current usage during peak hours by pressing the SOFT button. Press again to cancel. If heating/cooling capacity is insufficient, cancel this mode to resume normal operation.
NOTE: The Simultaneous Use Energy Saving function cannot be canceled by pressing the ON/OFF button.
Using the 12-Hour ON and OFF Timer
1. TIMER ON Mode (Example):
The unit begins operating after the set timer elapses. The display shows the time until operation begins.
Setting Procedures:
- STEP 1: Press MODE button, select operation mode, then press ON/OFF button.
- STEP 2: Press the timer ON button to set the desired start time (1-12 hours in 1-hour steps).
- STEP 3: Press the timer SET button to confirm. The 'ON' indication remains.
To check timer status while counting down, press the timer SET button. To cancel, press the CANCEL button.
2. TIMER OFF Mode (Example):
The unit stops operating after the set timer elapses. The display shows the time until operation stops.
Setting Procedures:
- STEP 1: Press the OFF button to set the desired stop time (1-12 hours in 1-hour steps).
- STEP 2: Press the timer SET button to confirm. The 'OFF' indication remains.
To check timer status while counting down, press the timer SET button. To cancel, press the CANCEL button.
Using the 1-Hour OFF Timer
This function operates the unit for one hour and then stops it, regardless of its current state. The '1HOUR' indicator appears on the display.
Setting Procedures:
Regardless of whether the unit is operating or stopped, press the 1 HR.TIMER button. '1HOUR' appears in the display.
Cancellation Procedures:
Turn the unit off using the ON/OFF button, wait for it to stop, then press the ON/OFF button again. The 1-Hour Timer is cancelled, and the unit operates normally.
NOTE: Pressing the 1 HR.TIMER button again while it's active will reset the 1-hour operation. Pressing it while TIMER OFF is active cancels TIMER OFF and starts a new 1-hour countdown.
HIGH POWER Operation
This operation provides higher or lower temperature airflow than usual, making you comfortable quickly upon entering the room.
Setting Procedures:
Gently press the High Efficiency (HIGH POWER) button. The indicator lamp lights up, activating high efficient operation for up to 15 minutes.
Cancellation Procedures:
Press the High POWER button again; the lamp will turn off.
Special Remarks
Heating Operation:
- Heating performance: Heating efficiency decreases at very low outdoor temperatures. Use an auxiliary heating appliance if sufficient heat cannot be obtained.
- Defrosting: At low outdoor temperatures, frost may form on the heat exchanger coil, reducing performance. A microcomputer defrosting system activates, temporarily stopping or reducing the indoor fan speed. Heating operation resumes after several minutes.
- POWER Lamp: The indoor fan may not start immediately during heating operation until the heat exchanger warms up (COLD DRAFT PREVENTION SYSTEM). The POWER lamp stays lit during defrosting or when the compressor is turned off by the thermostat in heating mode.
Power Failure During Operation:
The unit stops during a power failure. It will restart automatically three minutes after power is resumed.
Clicking Sound:
A clicking sound may occur during heating or cooling operation due to plastic parts expanding or shrinking with temperature changes. This is normal and the sound will disappear.
Remote Control Unit:
The remote control sends temperature signals every three minutes. If the signal is lost for over ten minutes, the air conditioner switches to the indoor unit's temperature sensor. Temperatures around the remote may differ from those detected by the air conditioner.
Operation without the Remote Control Unit
If the remote control unit is lost or faulty, follow these steps:
- When the air conditioner is not running: To turn it on, switch the operation selector to OFF, then to ON.
- When the air conditioner is running: To turn it off, switch the operation selector to OFF.
NOTE: Pressing buttons for too long may cause abnormal operation.
Care and Cleaning
[WARNING] For safety, turn off and disconnect the power before cleaning. Do not pour water on the indoor unit, as this can damage components and cause electric shock.
Clean the casing and grille of the indoor unit with a vacuum cleaner brush or a clean, soft cloth.
[CAUTION] If parts are stained, use a clean cloth moistened with mild liquid detergent. Be careful not to force the grille vanes out of place. Never use solvents or harsh chemicals. Do not use very hot water on the plastic casing. Metal edges and fins can be sharp; handle with care.
Care and Cleaning (continued)
Anti-Mold Filter:
The anti-mold filter behind the air intake grille should be checked and cleaned every three weeks.
How to remove the anti-mold filter:
- Grasp both ends of the air intake grille and pull it out and up.
- Push the anti-mold filter up slightly, then pull it down.
Anti-Mold Filter Cleaning:
Use a vacuum cleaner for light dust. For sticky dust, wash the filter in lukewarm, soapy water, rinse with clean water, and dry.
How to replace the anti-mold filter:
- With the [FRONT] mark facing you, slide the anti-mold filter up into the unit and lower the handle into the groove.
- After installing, press the marked locations and close the air intake grille.
Air Clean Filter (not provided):
The air cleaning filter removes dust, dirt, odors, and tobacco smoke.
[WARNING] This filter does not remove harmful gases or vapors, nor does it ventilate the room. Open doors/windows frequently when using gas/oil heating appliances to prevent suffocation.
How to install the air clean filter:
- Remove the anti-mold filter.
- Install the air clean filter with the [FRONT] symbol facing the front.
- Reinstall the anti-mold filter.
Tips for Energy Saving
- Do not: Block air intake/outlet, let direct sunlight into the room (use shades/curtains), obstruct airflow.
- Do: Keep air filters clean, keep windows and doors closed to prevent conditioned air escape.
Troubleshooting
Check these points before requesting service. If problems persist, contact your dealer or service center.
| Trouble | Possible Cause | Remedy |
|---|---|---|
| Air conditioner does not run at all. | 1. Power failure. 2. Leakage breaker tripped. 3. Line voltage too low. 4. Operation button OFF. 5. Remote control batteries depleted. |
1. Restore power. 2. Contact service center. 3. Consult electrician/dealer. 4. Press button again. 5. Replace batteries. |
| OPERATING lamp flashes while air conditioner does not operate. | Trouble in wiring system. | Contact service center. |
| Compressor runs but soon stops. | Obstruction in front of condenser coil. | Remove obstruction. |
| Poor cooling (or heating) performance | 1. Dirty or clogged air filter. 2. Heat source or many people in room. 3. Doors/windows open. 4. Obstacle near air intake/discharge. 5. Thermostat set too high/low. 6. Outdoor temperature too low. 7. Defrosting system not working. |
1. Clean air filter. 2. Eliminate heat source. 3. Close doors/windows. 4. Remove obstacle. 5. Adjust temperature. 6. Use backup heater. 7. Consult dealer. |
| Clicking sound is heard from the air conditioner. | Plastic parts expanding/shrinking due to temperature change. | This is normal; sound will disappear. |
| OPERATING lamp lights but outdoor unit will not run. | 1. Portable telephones near unit. 2. Restart unit after power off. |
1. Turn off power, restart after 3 minutes. 2. Unit will restart automatically after three minutes. |
Schematic Diagram
The air conditioner operates within temperature ranges from -7°C to 43°C.
Main specifications of the product:
| Specification | KFR-2601GW/BPE | KFR-2801GW/BPE |
|---|---|---|
| Rated voltage | AC 230V | AC 230V |
| Frequency | 50Hz | 50Hz |
| Voltage range | AC 160-253V | AC 160-253V |
| Power consumption of input (cooling/heating) | 0.96kW/1.40kW | 1.08kW/1.45kW |
| Power (cooling/heating) | 2.6kW/3.6kW | 2.8kW/3.8kW |
| Air flow (high) | 420m³/h | 450m³/h |
| Refrigeration dose/consumption | R22/0.72kg | R22/0.73kg |
| Weight (indoor unit/outdoor unit) | 7.5kg/35.0kg | 7.5kg/35.0kg |
| Maximum remote control range/angle range | 8m/80° | 8m/80° |
| Maximum length of the connect tube | 15m | 15m |
Refrigerant Flow Diagram:
The diagram illustrates the refrigerant path. In the Indoor unit, refrigerant flows through a heat exchanger via a wide tube (Q.D. 9.52mm) and a narrow tube (Q.D. 6.35mm), passing through a service valve. In the Outdoor unit, the refrigerant flows through a muffler, a 4-way valve, an accumulator, a heat exchanger, a compressor, and capillary tubes via a strainer and check valve. The diagram indicates separate paths for the Heating cycle and Cooling cycle.
Electric Wiring Diagrams
Indoor Unit Wiring Diagram:
The indoor unit's electrical system includes a TRANSFORMER, SENSORS, a CONTROL BOARD, FLAP MOTOR, SWITCH ASSY, CAPACITOR, and FAN MOTOR. Connections are made via a PLUG, TERMINAL block, and various wires (BLK, BRN, BLU, RED, YLW, etc.) to the control board and components.
Outdoor Unit Wiring Diagram:
The outdoor unit's system comprises a TERMINAL block, RECTIFIER, IPM module, FAN MOTOR, COMPRESSOR, CAPACITORs, and a CONTROL BOARD. It includes connections for AC input (ACIN1, ACIN2), AC output (ACOUT1, ACOUT2), DC power (+/-), and various motor and sensor connections (e.g., U, V, W for compressor; R, C(T) for OLR). The control board manages these components, including a 4 WAY VALUE ASSY and THERMAL SWITCH.
