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10. Removal Procedure

10.1 Removal Procedure of Indoor Unit

Warning Be sure to wait

10 minutes after turning

off all power supplies before disassembling work.

Removal Procedure

panel

filter and

panel case

Push the convex parts the left and right sides

of the front panel, and then lift the front panel.

Unscrew the screws fixing the display cover and

pull out the plug.Forcibly lift the front panel up-

wards from the clasps to take it out.

Top the middle section of air filter from the clasps

at both sides.Pull the air filter forward to remove

it.

Unscrew the 1 screw on press plate to open the

press

Push out the axile bush in the middle of

Then slightly bend the

remove it.

Unscrew the 7 tapping screws fixing the front

case, and turn the front case backwards to re-

move it.

wire board.

air deflector

air

deflector

screws

panel

display cover plate

screw

air deflector

axile bush

filter

clasps

for a minimum of

Remove

wire-pressed clamp

swing louver

Содержание CB11500430

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual MODEL Refrigerant R410A GWH18AC D3DNA1B CB11500430 GWH24AC D3DNA1B CB11500450...

Страница 2: ...it Board 10 Part 5 Schematic Diagram 8 6 2 Remote Control Display 12 6 4 Control System 17 Part 6 Function and Control 12 8 1 Indoor Unit 29 8 2 Outdoor Unit 33 Part 8 Exploded Views and Parts List 29...

Страница 3: ...re 58 10 1 Removal Procedure of Indoor Unit 58 Table of Contents 10 2 Removal Procedure of Outdoor Unit 18K Unit 61 10 3 Removal Procedure of Outdoor Unit 24K Unit 64 9 2 Diagnostic Charts 38 9 2 2 Bl...

Страница 4: ...ures Indoor Unit GWH18AC D3DNA1B I GWH24AC D3DNA1B I Outdoor Unit GWH18AC D3DNA1B O YT1FF Summary and features FAN MODE I FEEL CLOCK TIMER ON X FAN TEMP TIMER OFF TURBO SLEEP LIGHT GWH24AC D3DNA1B O R...

Страница 5: ...ching cloth and fire extinguisher nearby when brazing Use care in handling rigging and setting bulky equipment Read these instructions thoroughly and follow all warnings or cautions included in litera...

Страница 6: ...8AC D3DNA1B Function Total Capacity W Standard Low High Product Code CB11500430 Total Capacity Btu h Standard Low High Rated Voltage 208 230V Frequency Hz 60Hz Rated Current A Air Flow Volume SH H M L...

Страница 7: ...Fan Motor W Fan Motor RLA A Fan Motor Capacitor uF Air Flow Volume of Outdoor Unit Rows Fin Gap Coil length l x height H x coil width L Fan Motor Speed rpm H M L Throttling Method Starting Method Wor...

Страница 8: ...ction Views 3 1 Indoor Unit Constrction views Model W H D Q R S GWH18AC D3DNA1B GWH24AC D3DNA1B Q W D R S H Unit inch 37 13 16 42 15 16 11 13 16 13 7 11 16 8 3 16 4 5 8 8 7 16 27 5 16 26 15 16 5 13 16...

Страница 9: ...3 2 Outdoor Unit GWH24AC D3DNA1B O GWH18AC D3DNA1B O Constrction views 35 1 16 13 3 8 37 15 16 15 5 8 27 9 16 14 1 2 22 1 16 36 1 4 39 3 8 24 14 9 16 31 1 8 16 13 16 15 11 16 Unit inch 6...

Страница 10: ...Gas 1 2 12 mm 24K Unit Liquid 1 4 6 mm Gas 5 8 16 mm Refrigerant System Diagram 2 Way valve Strainer Strainer Strainer 3 Way valve Muffler 4 Way valve Expansion valve Heat exchanger INDOOR Heat excha...

Страница 11: ...our way Valve YE YELLOW EKV RD RED SAT OVERLOAD BN SAT OVERLOAD BN BROWN COMP COMPRESSOR BU BLUE BK BLACK L YEGN YELLOW GREEN Models GWH18AC D3DNA1B I GWH24AC D3DNA1B I SWING UD DISPLAY DISP1 COM OUT...

Страница 12: ...17RD R S C T E PE PE COM INNER 0 RT1 0 RT2 RT3 0 4V M L INDC1 1YE 2BU 3RD 12WH PE OFAN OVC COMP 5WH 4WH SAT YEGN 13OG INDC2 COMP TEM SENSOR EXHAUST TEM SENSOR OUTROOM TEM SENSOR OUTTUBE INDOOR UNIT F...

Страница 13: ...No Port Name 1 Neutral line 2 Neutral line of health function 3 Fuse 4 Live line 5 Power cable of PG motor 6 Live line of health function 7 Jumper cap 8 Link to up down swing motor 9 Feedback line of...

Страница 14: ...Port Name 1 Compressor port 2 Compressor overload protector 3 Temperature sensor 4 Electronic expansion valve 5 Fan HALL port 6 Outdoor fan 7 4 way valve 8 Port of communication with indoor unit 9 Li...

Страница 15: ...d on by the remote control and disappear when the unit is turned off 3 FAN SPEED DISPLAY Indicates the set fan speed AUTO is displayed when unit is running in AUTO mode 4 MODE DISPLAY Indicates the cu...

Страница 16: ...therwise battery leakage may damage the remote control 3 The average battery life under normal use is about 6 months 4 Replace the batteries when there is no audible beep from the indoor unit or if th...

Страница 17: ...FAN ONLY mode if return air temperat ure is between 68_F 20_C and 77_F 25_C S Unit will run in HEATING if return air temperature is less than 68_F S Unit will run in COOLING if return air temperature...

Страница 18: ...the heating mode when the SWING button is pushed the louvers will not start moving right away This is due to the fact that the fan will not start running until the coil temperature is warm enough to...

Страница 19: ...l cancelled by user or the remote control batteries are replaced Sleep Mode This mode is used to conserve energy and can be used when the unit is in the COOL HEAT or AUTO mode only Cool Mode Push the...

Страница 20: ...with the microprocessor Depending on the temperature measured the compressor will be allowed to increase the frequency to meet the load or is forced to run the current or reduced frequency If the tem...

Страница 21: ...ing only and heat pump units S The wireless remote control range is 25 ft 7 6 m S The same remote can be used to control more than one unit S If the remote control is lost damaged or the batteries are...

Страница 22: ...ature and the temperature set point as shown below TS 5 4 F Medium Low High TS 1 8 F A09254 Fig 21 Auto Fan Heat Mode Cold Blow Prevention This function prevents the cold air from blowing into a space...

Страница 23: ...compressor will be de energized when the room temperature is 73 4_F 23_C If the unit was running in heating the compressor will be de energized when the room temperature is 73 4_F 23_C There is a 6 mi...

Страница 24: ...Where the condensing water can be easily drained out and where it is easily connected to outdoor unit Select the place where the wall is strong enough to withstand the full weight and vibration of th...

Страница 25: ...RUW FLUFXLW DQG RYHUORDGLQJ LU FRQGLWLRQHU LV W SH I HOHFWULF DSSOLDQFH POHDVH ensure the the unit is reliably earthed 7KH HOORZ JUHHQ ZLUH LQ DLU FRQGLWLRQHU LV the HDUWKLQJ ZLUH which FDQ QRW EH XVH...

Страница 26: ...Space to the obstruction Air outlet side Space to the wall Air inlet side The dimensions of the space necessary for correct installation of the appliance include the minimum permissible distances to...

Страница 27: ...e four directions shown in Fig 8 a and b For maximum serviceability it is recommended to have refrigerant line flare connections and the drain connection on the outside of the wall that the fan coil i...

Страница 28: ...me and improve installation quality 1 Remove service valve cover if provided with unit 2 Cut tubing with tubing cutter 3 Install correct size flare nut onto tubing and make flare con nection 4 Apply a...

Страница 29: ...oute piping and drain through hole in wall inside to outside Fit interconnecting wiring into back side of indoor unit 4 Hang indoor unit on upper hooks of wall mounting plate as shown in Fig 13 A08283...

Страница 30: ...he deep vacuum method requires a vacuum pump capable of pulling a vacuum of 500 microns and a vacuum gage capable of accurately measuring this vacuum depth The deep vacuum method is the most positive...

Страница 31: ...possible 5 Seal the hole through which the cables and refrigerant and condensate lines pass INDOOR UNIT 1 Do all Remote Control buttons function properly 2 Do the display panel lights work properly 3...

Страница 32: ...8 SORGHG 9LHZV DQG 3DUWV LVW 8 QGRRU 8QLW 29...

Страница 33: ...Frame 01252218 1 22 Motor FN20K PG 15012718 1 23 Motor Clamp 26114094 1 24 Drainage hose 0523001406 1 25 Pipe Clamp 26114095 1 26 Step Motor 15012086 1 27 Axile Bush guide louver 10542008 2 28 Electr...

Страница 34: ...31...

Страница 35: ...ter 24214082 1 23 Evaporator Assy 01002567 1 24 Wall Mounting Frame 01252229 1 25 Fan Motor 1501209801 1 26 Motor Press Plate 26112182 1 27 Pipe Clamp 26112156 1 28 Drainage Pipe 0523001403 1 29 Stepp...

Страница 36: ...8 2XWGRRU 8QLW 33...

Страница 37: ...box Cover 20113003 1 17 Electric Box Assy 0260306605 1 18 Terminal Board 42010255 1 19 Handle assy 02113109 1 20 Valve support assy 01715010P 1 21 Cut off valve Sub Assy 0713306002 1 22 Cut off valve...

Страница 38: ...35...

Страница 39: ...ompressor And Fittings C 6RZ146H1A 00103501 1 16 Baffle valve support 01365435P 1 17 Cut off Valve 07133616 1 18 Valve Support Sub Assy 0171501201P 1 19 Handle assy 02113109 1 20 Right Side Plate 0130...

Страница 40: ...ver of the unit and then control box cover 10 Carefully remove the indoor board from the control box place it face up on a plastic surface not metal 11 Reconnect the main power and repeat steps 5 6 an...

Страница 41: ...aks Reclaim charge and fix leak Yes Clean indoor coil and filter Problem fixed No Yes Problem solved Check indoor coil temperature thermistor Chart 4 ok Replace indoor board A09360 Fig 28 Indoor Freez...

Страница 42: ...e outdoor board per connection diagrams Failure to do that will result in a Polarity needs to be maintained between indoor and outdoor units Measure Volts DC on indoor TB between S N Ok No Replace ind...

Страница 43: ...emp Check amp draw to compressor Values within range Replace outdoor board Replace compressor Clean repair connection Problem persists Problem solved Replace outdoor board High head high suction High...

Страница 44: ...A09366 Fig 34 IPM Module Protection Yes Start unit using remote control Audible noise heard Unit started Try to start unit using auto Function Unit runs Use auto function to shut off unit Problem solv...

Страница 45: ...s Non condensables in sys Pump down and recharge unit See note below Restriction in system Check capillary tube and check for damage to liquid line between indoor and outdoor units Connect low side ga...

Страница 46: ...blades and outdoor coil are not blocked Clear blockage Yes Check motor windings Ok A09370 Fig 38 Motors Check RV connection on outdoor board Ok Clean or repair the connection No Yes Yes Check RV outp...

Страница 47: ...emote control Yes Check input and output on ID and receiver boards Ok No Replace receiver board Check wiring and connection between receiver and ID board Ok Fix wiring or connection No Yes Replace rem...

Страница 48: ...or malfunction FC Compressor overload sensor malfunction FE Defrosting H1 blink 1 time Static clearing dust protection H2 blink 2 times Compressor over load protection H3 blink 3 times System abnormal...

Страница 49: ...r outdoor unit and malfunction table paste on the electric of cover or the top cover of unit to confirm the malfunction type The indicator of outdoor controller panel will display the related malfunct...

Страница 50: ...tor is off for 3S and blinks 7 times Main detection points z Are control board AP1 and compressor COMP well connected Are they loosened Is the connection sequence correct z Is voltage input in the nor...

Страница 51: ...al 8 display heating indicator is off for 3S and blinks 4 times Main detection points Is the indoor and outdoor ambient temperature in normal range Is the indoor and outdoor fan running normally Is th...

Страница 52: ...ompressor wire COMP UVW is well connected and connection sequence is correct Replace control board AP1 Replace the compressor If malfunction is removed If the stop time of compressor is more than 3min...

Страница 53: ...If the outdoor fan works normally If the stop time of compressor is more than 3min finish Synchronism after energize the unit and start it Connect wire well Synchronism occurred during operation Repla...

Страница 54: ...block for electronic expansion valve If the wiring terminal FA of electron expansion is well connected Remove mulfunction Check if electronic expansion valve coil is installed on the valve body norma...

Страница 55: ...o terminals Capacity is short circuit and replace it Y Re energize the unit and start it Cut the terminal of reactor test the resistance between two terminals of reactor with ohmic meter Replace the r...

Страница 56: ...ommunication circuit of outdoor unit Problem of communication circuit Check if controller connection wire of indoor and outdoor electric box is loosened Connection correct Check connection wire of ind...

Страница 57: ...ter Number jumping Outdoor unit malfunction Test voltage value with Test 15 position in diagram with voltage meter Number jumping Test voltage value with Test 11 position in diagram with voltage meter...

Страница 58: ...up wards from the clasps to take it out Top the middle section of air filter from the clasps at both sides Pull the air filter forward to remove it Unscrew the 1 screw on press plate to open the press...

Страница 59: ...o remove the water tray Unscrew the 2 screws fixing the electric box Unplug the motor terminal Unscrew the three ground screws Lift the electric box upwards to remove it Unscrew the screws fixing the...

Страница 60: ...rews the left of evaporator Turn the evaporator at certain angle to remove it Unscrew the screws fixing the press plate of motor and connecting motor and cross flow fan to remove the motor and cross f...

Страница 61: ...d right side plate Twist off the screw around the grille and then remove the grille Twist off the screws between right side plate and end plate of condenser valve support pull it upward and then remov...

Страница 62: ...he motor support pull it upward and then remove the motor support 6 electronic expansion valve and four way valve Unsolder the spot weld between electronic expan sion valve and other connection and th...

Страница 63: ...he spot weld between gas valve and return air pipe and then remove the gas valve and liquid valve 8 compressor Loosen the nuts of compressor unsolder weld spot shown on suction pipe and discharge pipe...

Страница 64: ...off the screws around the grille and then remove the grille Twist off the screws between right side plate and end plate of condenser valve support pull it upward and then remove the right side plate T...

Страница 65: ...ith spanner take out nuts spring washer plain washer and then remove the axial flow blade forcibly Twist off the fixing screws and then take out the motor Twist oft the screws used for fixing the moto...

Страница 66: ...f compressor unsolder the weld spot shown on suction pipe and discharge pipe of compressor Remove the pipeline and then remove the compressor Twist off the screws used for the gas valve and liquid val...

Страница 67: ......

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