Table of Contents
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Table of Contents
Related Manuals for Gree GWH18UC-K3DNA1A/I
Summary of Contents for Gree GWH18UC-K3DNA1A/I
- Page 8 Condition Condition Indoor:DB20℃ WB17℃ Indoor:DB20℃ Indoor air flow:super high Indoor air flow:super high Pipe length:5m Pipe length:5m Compressor Speed (rps) Compressor Speed (rps) Condition Condition Indoor:DB20℃ Indoor:DB20℃ WB17℃ Indoor air flow:super high Indoor air flow:super high Pipe length:5m Pipe length:5m Outdoor temp(℃) Outdoor temp(℃)
- Page 9 Heating Cooling Super High High Super Low Middle High Middle Middle Low Indoor fan motor rotating speed Outdoor side noise when Compressor speed changed Compressor Speed(rps)
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Page 11: Indoor Unit
Indoor unit Outdoor unit Wide tube service Accumlator valve Wide tube 4-way valve Narrow tube Capillary service tube valve Narrow tube Strainer Capillary cone-way valve tube Cooling cycle Heating cycle... - Page 12 BN(BK) ROOM TEMP. TUBE RECEIVER AND TEMP. BU(WH) DISPLAY BOARD SENSOR SENSOR YEGN(GN) DISPLAY POWER EARTH-PLATE W3 YEGN ROOM TUBE DISP1 DISP2 YEGN EVAPORATOR AP1 PRINTED CIRCUIT BOARD W1 BU N(1) COM-OUT AC-L W2 BN K_COMP COMP JUMP AIR-L VENTILATING PG PGF SWING-UD1 SWING-UD2...
- Page 13 COMP. YEGN OUTTUBE OUTROOM EXHAUST COMP TEM.SENSOR TEM.SENSOR TEM.SENSOR CT1,2 BU YE RD W3 YEGN COMP-W COMP-U COMP-V YEGN OVC-COMP N(1) COMU AC-L1 OFAN1 AC-L2 LX-2 LX-1 W9 BU FAN MOTOR...
- Page 16 ON/OFF Press it to start or stop operation. Press it to decrease temperature setting. Press it to increase temperature setting. MODE Press it to select operation mode(AUTO/COOL/DRY/FAN/HEAT). Press it to set fan speed. SWING Press it set swing angle. I FEEL Press it to set HEALTH or AIR function.
- Page 17 MODE Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL,DRY, FAN,and HEAT *, as the following: AUTO COOL HEAT* *Note:Only for models with heating function. After energization, AUTO mode is defaulted. In AUTO mode, the set temperature will not be displayed on the LCD, and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable.
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Page 18: Replacement Of Batteries
QUIET AUTO Press this button, the Quiet status is under the Auto Quiet mode (display " "signal )and Quiet mode (display " " singal) and Quiet OFF (there is no signal of " " displayed),after powered on, the Quiet OFF is defaulted. Note: the Quiet function cannot be set up in Fan and Dry mode;Under the Quiet mode (Display "... - Page 19 Start cooling amb. preset Original working state -2°C preset Stop cooling 6 minutes 3 minutes 6 minutes Compressor Outdoor fan Preset wind speed Indoor fan Stop...
- Page 22 Full-open degree Full-open degree (Max degree) Full-close degree Full-close degree P0 (Initial point): 0 degree Lower-limit degree...
- Page 26 Space to the ceiling 15cm Above Space to the wall 15cm Above 15cm Above Space to the wall Above Above Air outlet side Space to the floor The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts.
- Page 27 Wall Wall Mark on the middle of it Gradienter Space Space to the to the wall wall above above Left Right Fig.1 (Rear piping hole) (Rear piping hole) Indoor Outdoor Wall pipe Seal pad outlet pipe of indoor unit outlet pipe of drain hose indoor unit rubber belt...
- Page 28 External connection Gas side piping electric wire Liquid side piping Tailing 2 Tailing 1 Gas side piping Liquid side insulation Piping insulation Fig.3 Finally wrap it Water drainage pipe with tape Left Right Left rear Fig.4 Right rear Fixing hook Mounting plate Mounting...
- Page 29 Handle N(1) yellow- blue black brown green indoor unit connection Manifold Valve Multimeter Manometer -76cmHg Hi handle Lo Handle Charging hose Low pressure valve Fig.6 Vacuum pump Drain-water hole Bottom frame Drain plug Drain connecter Hose (available commercially, inner dia. 16mm)
- Page 30 Fig a. Fig b. Air filter Healthy filter Healthy filter Install position Fig c. Fig d.
- Page 37 Measure insulation resistance The breaker trips at once when it to ground to see if there is any is set to “ON”. leakage. Trip of breaker or blow of fuse The circuit or the part of the air conditioner has malfunction. They heat and break the insula- tion and lead to short circuit or The breaker trips in few minutes...
- Page 38 Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper Check and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor sure and the low pressure in-...
- Page 39 The indoor fan motor is burned or breaks or has the heat protector Replace the fan motor or the defective part. malfunction. The built-in heat protector of the Replace the fan motor The fan does not motor breaks frequently because the run when it is set motor is abnormal.
- Page 40 The torque of the swing motor is not enough First, check whether the connection is Wrong connection The swing fan wrong. If no, replace the parts does not run. The controller is damaged(IC2003 is damaged, the swing relay can not close, etc) C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 0 3 Change controller...
- Page 44 Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Replace the control testing circuit on Voltage higher than 200V? panel AP1 control panel AP1 Measure the AC voltage between terminal L and N on wiring board XT(power supply)
- Page 45 Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring board machine has run for terminal L and N restore it to XT is within 210VAC a period of time?
- Page 46 Overheat and high temperature protection Normal protection, please operate it after the outdoor ambient temp- Is outdoor ambient temperature higher than 53? erature is normalized. 20 minutes after the complete unit is powered off. Improve the heat Is heat dissipation of the indoor unit dissipation environ- and outdoor unit abnormal? ment of the unit...
- Page 47 Power on the unit Restart it up after Is stop time of the compressor 3 minutes longer than 3 minutes? Does startup fail? Connect the wires as Are the wires for the compressor connected per the connection correctly? Is connection sequence right? diagram Replace the control panel AP1 If the fault is eliminated?
- Page 48 Out of step occurs in Out of step occurs once the operation unit is powered on. Check if the fan terminal Is stop time of the Replace the fan Is the outdoor fan working OFAN is connected correctly compressor longer than capacitor C1 normally? 3 minutes?
- Page 49 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve wires correctly connected correctly? Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same, less than 100 ohm.
- Page 50 Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Replace it as per the Whether there is any wiring diagram and If the fault is eliminated? damage or reconnect the wires short-circuit? Remove the PFC capacitor and measure resistance between the two terminals.
- Page 51 Start Did the equipment operate normally before the failure occurs? Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of the indoor and outdoor Is the connection right? units Correctly connect the corresponding wires for The AP1 voltage Are wires broken?
- Page 55 Procedure Steps 1.Before disassembly 2.Remove filter sub-assy panel Loosen the clasps at the left side and right side of the panel, and then open the front panel. Loosen the clasps of the filter sub-assy; push the filter inwards, and then pull it upwards to remove the filter sub-assy.
- Page 56 Procedure Steps 3.Remove panel display Open the panel; remove the screws fixing the display on the panel． screws panel Push the rotor shaft on both sides of the panel to make it separate from the groove, and then remove the panel. rotor shaft 4.Remove horizontal louver Push the bush of the horizontal louver.
- Page 57 Procedure Steps electric box cover 2 Remove the electric box cover 2. Loosen the clasp of the front case. Raise the front case to remove it. front case 6.Remove the electric box electric box cover 1 Loosen the clasp connecting the electric box cover 1 and electric box.
- Page 58 Procedure Steps screw Remove the screw fixing the electric box. electric box Remove the electric box. 7.Remove the evaporator Remove the screw of the pipe clamp. Remove the pipe clamp. screw pipe clamp evaporator Remove the screw fixing the evaporator and the chassis.
- Page 59 Procedure Steps 8.Remove the cross flow fan and the motor motor press plate Remove the screws fixing the motor press plate and the step motor. Remove the motor press plate and the step moor. step moor Remove the screws fixing the cross flow fan and the motor.