In this technical service manual, you will find rich references to KF(R)-70DW/NA1 model including photoes, technical specifications, explosive views, spare parts lists and circuit diagrams. Service people and engineers of Gree' s customers and distributors would find it a very handy source of technical information of our products.
Names of spare parts Indoor unit Left decoration plate LED board Air guide louver Right decoration plate Front grill Wireless remote control Wrapping tape Outdoor unit Air in Connection pipe Valve Air out...
4. Outlines and installation dimension 4.1 Outlines and dimensions of indoor unit 1300 188 150cm or more 60cm or more 60cm or more 30cm 100cm or more or more...
4.2 Outlines and dimensions of outdoor unit 65 106 :mm Unit Front grill Gas pipe Liquid pipe Handle Wire hole More than 500mm 500mm More than More than More than 1000mm 1000mm More than 300mm Obstructions 2000mm More than Air outlet More than 1000mm Floor...
Working principle diagram 5.1 Cooling system diagram for cooling only type Filter Evaporator Cross flow fan Capillary Axial flow fan Condenser Gas-liquid separator Compressor When the power is on, indoor and outdoor units will start to run. The compressor sucks low-pressure refrigerant gas from the evaporator of indoor unit and then discharges high-temperature, high-pressure refrigerant gas into outdoor condenser.
PCB function manual 8 7. Temperature parameter ① The room ambient temperature: (Tamb) ② The room evaporator temperature:(Tevaporator) ③ The outdoor condenser temperature: (Tcondenser) ④ The exhasut temperature:(Texhaust) Foundamental functions In each mode, the compressor starts at once, it will not stop within 6min according to the changes of Tamb, when it stopped once, after 3mins delayed, can start it again.
Ambient temp. Tamb Start cooling Tset Setting temp. Tset Dry operation Tset Stop cooling 6min 6min 4min 4min Compressor Outdoor fan Indoor fan Low speed Low speed Low speed Low speed Low speed Stop running Running 7.2.3 HEAT Mode When Tamb≤Tset-1℃ enter into HEAT mode, reversing valve, compressor, outdoor fan motor start to work. indoor fan motor runs at setting fan speed and anti-cool wind.
Condenser pipe temp Tcon Outdoor fan Reversal vavle Run at anti-cool wind Indoor fan 44min 45min 55min Running Stop running FAN mode 7.2.4 Indoor fan motor runs at setting fan speed: HIGH AUTO Temp. setting range is 16 ℃~ 30 ℃ . 7.2.5 Auto mode When Tamb>2 ℃, it runs at cool mode, indoor setting temp.
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Indoor it will come back to display, controller runs at setting mode. evaporator temp.Teva 3min 10min 4min Compressor Outdoor fan Indoor fan Swing motor Stop running Running In DRY mode, it will run for 6min, and stop running for 4min, after compressor has run for 3min, and had continuously 3min detected Ttube<- 2℃, compressor, outdoor and indoor fan will run in low fan speed, and E2 is displayed.
If the above phenomenons existed, the unit cannot resume to run, E4 will be display. Press ON/OFF button to turn off the unit, repress ON/OFF button return to run at the original running mode. 7.3.5 Indoor ultra high temperature protection In HEAT mode, when detected the evaporator tube temp.
7.5.1 SWING Control Use SWING button to start or stop the control, only when indoor fan motor is running the SWING operation is available. 7.5.2 The buzzer control When controller is powered on or received the signals, the buzzer will sound. 7.5.3 The auto fan speed control of the fan motor In HEAT mode:...
飞 碟 系 列 Names and functions of wireless remote control Note: Be sure that there are no obstructions between receiver and wireless remote control. The wireless remote control could receive the signal within 10 meters. Don't drop or throw the wireless remote control. ...
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Names and functions of wireless remote control(Remove the cover) Note: This type of wireless remote control is a kind of new current control. Some buttons of the control which are not available to this air conditioner will not be described below. Liquid crystal displayer It shows all set contents.
7.10 COOL mode operation Microcomputer will accord to the room sensor detected the temp. and setting temp. differences to start the cool operation or not. The room sensor detected temp. is higher than setting temp., the cool mode operate. The room sensor detected temp. is lower than setting temp., indoor fan motor will stop running, water valve will be turned off, cool operation will stop.
7.11 HEAT mode operation When room sensor detected temp. is lower than setting temp., heat mode start running. When room sensor detected temp. is higher than setting temp., indoor fan motor stop running, water valve is turned off, heat operation is stopped. The setting range is Press SWING button, the louver guide will automatically...
7.12 DRY mode operation When room sensor detected the temp. is lower than setting temp. 2℃ or more, the water valve, indoor fan motor stop running. When room sensor detected the temp. is between the ± 2℃ of the setting temp. it will enter into dry mode operation, when room sensor detected the temp.
7. 13 AUTO mode operation In AUTO mode, the standard cooling setting temp. is 25 , the standard heating setting temp. is 20 When plug in, press 1/0 unit will start to run. Press MODE button to select AUTO mode. Microcomputer will accord to indoor temp.
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TIMER operation mode 7.14 At stopping, can set timer on, each time to press TIMER ON the time will be increased 0.5h, circulates as below: Cancel At running, can set timer off, each time to press TIMER OFF, the time will be increased 0.5h, circulates as below: Cancel...
7.15 SLEEP mode operation In cool and dry modes, set the sleep operation and run for 1 hour later, the setting temp. will be increased 1℃, 2hours later, the setting temp. will be increased 2℃ , then it runs at the setting temp.
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7.16 Guide for operation Remove the cover from the back, take out the old batteries. Insert two batteries. (pay attention to the Polarity) 3. Re-attach the cover. NOTE: Never mix new and used or diff- erent types of two batteries to insert.
Disassembly procedures 8-1. Disassembly procedures for indoor unit Dissassembly Procedures/Photoes 1. Remove the front grill assy Front grill assy To remove the clasps of the front grill assy Clasp by tools downward, until the front grill is opened. 8-1 Fig. 2....
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Dissassembly Procedures/ Photoes Disassemble the guide louver assy Take out the guide louver from the guide louver holder, then take out the both ends from Fig. 8-8 the swing motor. Assorted position of guide louver and guide louver holder Disassemble the water-tray assy To screw off 3pcs bolts in the photoes can disassemble the water-tray assy.
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Dissassembly Procedures/ Photoes 9. Disassemble the aire outlet rear side plate assy a. Firstly to remove the velveteen and the left and right sides ' of liners .; b. To screw off the bolts as shown in the Fig. with screw driver. 8-17...
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Dissassembly Procedures/ Photoes 13. Disassemble the bearing mounting plate Fig. 8-26 To screw off 4pcs bolt in the fig. with screwdriver. Bolt Disassemble the motor Fig. 8-27 To loose the bolts in the fig with screwdriver, can take out the motor clamp and motor fixing Bolt hoop.
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The disassembly procedures for outdoor unit 8-2. Dissassembly Procedures/ Photoes 1. Disassemble the top cover Top cover To screw off the bolts around the top cover then lift it upward can take off the top cover. As shown in Fig. 8-35...
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Dissassembly Procedures/ Photoes 4. Disassemble the electrical appliances mounting plate Bolts Disassemble 3pcs bolt which are fixing the electric mounting plate, pull out the lead wire insert of the compressor and fan motor, take out the electrical appliances mounting plate. 8-38...
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Dissassembly Procedures/ Photoes 7. Disassemble the fan blade of outdoor unit To screw off the laeotropic nut, can take off the fan blade. Laeotropic nut 8-41 Fig. 8. Disassemble the outdoor unit motor To screw off the fixing bolt of motor and motor support, and pull out the connection wire of the motor, can take off the motor.
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Dissassembly Procedures/ Photoes 10. Disassemble the capillary Unsolder the solder point of the capillary, valve gate and condenser gate, then can dis- assemble the capillary, make Capillary assy sure that do not let any weld- ing dregs to block the capillary. As show in right fig.
10.Care and maintenance Warning: Please turn power off before maintenance. Cleaning the filter 10.1 Take out the filter, use the dust collector to clean, if it is too dirty could use the soap water to clean. Make sure to dry the filter then can reinsert it. Advice: If the filter is too dirty that will affect the air in volume, so that make the system overloaded and consum more than 6% of electric energy.
11. Trouble shooting Trouble shooting When circuit breaker is Earth, tested insulated set to "ON", will trip off to confirm whether it is at once. electricity leakage or not. The circuit breaker trip off( Or fuse is melt) When turn the unit to Check the breaker, "ON", thebreaker trip off test the resistance...
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Clean the filter Air filter is blocked Air circulation volume is not enough. Set the fan speed to high Fan speed is too low or middle speed The outdoor unit installation place should be The installation place of indoor unit is not suitable well ventilated, and should be installed awning.
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Compressor malfunction Replace the compressor In COOL, DRY mode, outdoor fan motor Compressor running capacity Replace the capacity broken runs, but compre- ssor does not op- Voltage is too low or too high Suggest to equip the manostat erate. According to the circuit diagram Wrong wiring to wire correctly.
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