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Service Manual

1. 13 Terminal for live wire erminal for Jumper null wire of live wire erminal for way valve round wire O FR I k J C Terminal for null wire Outdoor pipe temp sensor Terminal for communication wire connecting to black communication wire of IDU Outdoor Unit Schematic Diagram 2 Model GWH12AB D3DNA1B O e TOP VIEW Terminal for live wire connecting to reactor and 4 way valve Electrolysis condenser Jumper terminal for null wire electronic expansion valve Terminal for Terminal for fan 4 way valve ee ground wire Terminal for live wire connecting gt m m GE to reactor af L 9 Jumper terminal AE for null wire connecting to
2. 14 31 Exploded Views and Parts List NO Qty 3 4 5 2 14 15 16 1 1 1 1 1 7 10 11 1 12 1 13 1 1 17 18 19 20 21 22 23 24 25 26 27 28 61 B 6 8 El HO f 4 Ho 1 3 H 1 45 48 488 ioe 1 20 21 22 23 24 25 26 28 30 31 1 1 1 1 1 1 1 1 1 1 1 1 1 1 30 31 32 above data subject to changed without notice 32 ROOS 52 25 IRE KER ES OSS 33 Exploded Views and Parts List Description pale ede 12 1 Qty NO 12 Wall MountingFrame 01252008 1 6 Drainage Pipe 052300144 1 8 jove
3. 18 Installation Manual 23 Notices for Installation 23 2 RAW UN 25 r u uu u 26 4 Install Outdoor Unit diria u uu u u u u u uuu u thd 28 7 5 Check After Installation and Operation Test 29 Table of Contents Part 8 Exploded Views and Parts List 30 o il Ori u 30 6 OO 9 a 34 Part 9 Troubleshooting 40 NM AAC OM I 40 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement 44 9 3 How to Check Simply the Main Palrt 47 Part10 Removal 56 10 1 Removal Procedure of Indoor Unit 56 10 2 Removal Procedure of Outdoor Unit The pic below is the actual panel and the vectorgraph in the manual is for reference only Summary and features Summary and features Indoor Unit GWHD09AB A3DNA1B I GWH12AB A3DNA1B I GWH12AB D3DNA1B I Outdoor Unit G
4. The air tightness is not enough People Keep certain air tightness indoors try not to use electricalappliance with large quantity of heat come in and out too frequently There are heating devices indoors 44 Troubleshooting The indoor fan motor is burned or breaks or has the heat protector malfunction The built in heat protector of the motor Replace the fan motor or the defective part breaks frequently because the motor is The fan does not abnormal Replace the fan motor run it is set to supply air __ Wrong connection Make the correction connection based on the circuit drawing The fan capacitor has open circuit or is Replace the fan capacitor of the same type and damaged same specification The outdoor fan motor is damaged Replace the fan motor In the cooling and heating mode the W Make the correct connection based on the compressor runs enn circuit drawing but the outdoor fan does not run The outdoor fan is damaged Replace the fan capacitor Malfunction of compressor Replace the compressor eplace the capacitor heating outdoor i fanruns compre ssor doesnt run The voltage is too low or too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly Use the multimeter to check whether the contact of The protector itself has malfunction the compressor is on when it is not overheated If it is
5. Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet the unit and disconnect the power supply Wait 20 minutes or us DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If the unit can work normallv much that the system 15 too 5 Other conditions resulting in that the system pressure b comes too high If the unit can Y gt work normally Refer to the Electrical Wiring Diagram and check if the connection between and COMP is loose and if the connection order is correct Take corrective actions according to Technical Service Manual and then energize and start the unit If there is any abnormality described above If the unit can work normally onnect the contro pane 1 and compressor COMP correctly according to the Electrical Wirin Diagram Then energize and start the unit If the connection between AP1 and COMP is unsecure or the connection order is wrong Use ohmmeter to measure the resistance the three If the erminals on compressor resistance is COMP and compare the normal measurements with the compressor resistance on ervice Manual Use ohmmeter to mea
6. LLN EIN EL OPO IN DATE x 7 odd d d d d d d d d dd dt im N 39 Exploded Views and Parts List NO Qty Drainage Connecter 06123401 1 7 1 1 1 10 1 11 1 Main Board 30138211 1 The above data are subject to be changed without notice 40 22 E 20 k 77 N Re 9 ns SSS 5 VAN we JI is E Qe lt 18 I gt CN 4 v 5 SE 2 n Se ws CI LZ nn gum nen Ss v nnn oid dd d d dd 41 Exploded Views and Parts List NO Qty 4 1 ____l2fRightSidePlate 0130508701P 1 I3 Vale 0710023 1 Support 0171594 1 IS CuoffVave 07130888 1 16 Cross Plate sub assy 021201 1 l7 Tub Seno 3900019 1 I8 Sranr 07220019 1 19 Electric Expansion Valve 07133069 1 20 MagetCol X 4300876701 1 2IRerGrill 0147504 1 22 CondenserAsy 01113321 K54715 1 23 Clapboard Sub Assy 01233090 1 24 Temperature Sensor 3900020801 1 25 TopCoverPlae 01253443 1 26 Motorsuportspotwelding 0170301002 1 27 FanMoor 15013
7. 5 GREE b service Manual MODEL GWH09AB A3DNA1B GWH12AB A3DNA1B GWH12AB D3DNA1B Refrigerant R410A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Table of Contents Part 1 Part 2 Part 3 Part 4 Part 5 Part 6 Part 7 Summary and 1 Safety 2 3 Construction 7 T 7 Refrigerant System Diagram 8 Schematic _ _ 9 EI GUC TE een 9 S 2 iude 9 D circuit 9 u u u UU uuu u uuu 12 Function and 15 6 1 Remote Control Operations ee eee 15 6 2 Changing Batteries and Notices 17 6 3 Description of Each Control Operation
8. S en Luis on e of it 7 hade NS to the to the wall wall 5 9 in lt 5 9 in above above ss Lue e oc ee 22 in 22 in Rear piping hole 09K Unit Rear piping hole Le Mark on the middle of it i 7 a on the middle of it 1 SEB SSS to the T s De pe to the wall a7 5 9 in 5 9 in above above f gt sss Left ED C MN Right 2 2 in 2 2 in Rear piping hole 12K Unit Rear piping hole Fig 5 7 3 2 Drill Piping Hole Indoor 1 Slant the piping hole 5 9 on wall slightly downward to the outdoor side Wall pipe 4 2 1 the piping hole sleeve into the hole to prevent the connection piping and C Outdoor wiring from being damaged when passing through the hole 7 3 3 Installation of Drain Hose 1 Connect the drain hose to the outlet pipe of the indoor unit Bind the joint with rubber belt 2 Put the drain hose into insulating tube indoor unit rubber belt 3 Wrap the insulating tube with wide rubber belt to prevent the shift of insulating outlet pipe of drain hose indoor unit tube Slant the drain hose downward slightly for smooth drainage of condensing water rubber belt insulating tube rubber belt outlet pipe of indoor unit Note The insulating tube should be connected reliably with the sleeve out side the out
9. Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT If the compressor coil resistance is normal If the insulation of compressor coil against the copper tube is in good condition If the working load of the machine are too high If the radiation is good if the charge volume of refrigerant is correct Fault diagnosis process Energize and switch on Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT If the voltage between terminal L and N on wirin board XT is within 210VAC 250VAC Check the supply voltage and restore it to 210VAC 250VAC IPM protection occurs after the machine has run for a period of time Restart the unit Before protection occurs use DC to measure the voltage 4 between the two N ends of Fons panel APT Voltage between the two ends of celectrolytic capacitor test3 is igher than 290 If the unit work normally2 Please confirm 1 If the indoor and r heat Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop the unit and disconnect the power supply Then check the connection o capacitor according to Electrical ing Diagram The connection of capacitor C2
10. 1051209 8 9 bower 10107 27 19 Display Box none 0 above data subject to changed without notice 34 1920705076 9525520 XXX 000 9 Q 0200004 000000600 9102070 18 35 Exploded Views and Parts List Description Part Code NO p GWH12AB D3DNA1B I Qty Louver 0 1 Front grill 2 Guide Louver 3 4 5 6 7 8 4 6 8 NEN i Display Box Cover2 20122058 1 Remote Controller 305100502 Electric Box Cover 20122074P Step Motor 15012086 9 0 2 3 4 5 6 8 9 0 Motor Clamp 26112132 Motor FN10D ZL 15013068 1 7 2 Crank 1 10582070 Axile Bush Jumper Cap O 0 5 gt The above data are subject to be changed without notice 36 8 2 Outdoor Unit CN E LLL 77777 ET U sar re 2 3 24 25 26 29 EJ 37 Exploded Views and Parts List Part Code GWH09AB A3DNA1B O Qty Product Code Description 1 2 3 4 5 7 0 4 EE 5 6 E 8 9 HE i 12 13 4 1 45 48 Hr 48 148 2 SE 22 23 24 25 26 2 28 29 30 11 12 13 14 15 16 17 18 19 20 21 22 23 24 20 26 27 28 29 30 31 The above data are subject to changed without notice 38 2 2 28 29 30 Jf y
11. COMPRESSOR BU BLUE Ground BLACK _ __ 1 YEN YELLOWGREN O 5 2 Electrical wiring Indoor Unit 1 Models GWH09AB A3DNA1B I GWH12AB A3DNATB I ROOM TUBE TEM SENSOR TEM SENSOR DISP3 DISP4 COM INNER W2 YEGN WIYEGN ELECTRIC BOX G OUTDOOR UNIT HEALTH HEALTH N STEP MOTOR 2 Model GWH12AB D3DNA1B I ROOM TUBE AP1 DISPLAY TEM SENSOR TEM SENSOR 0 p op RTI R ROOM TUBE DISP3 DISP4 1 W4BU L1 COMINNER gt gt 2 W5BK XT MEN E AP2 i JUMP E weveen B W6YEGN W1 YEGN HEALTH L LL TIT G G 2 5 STEP MOTOR FAN MOTOR Outdoor Unit 1 Models GWH09AB A3DNA1B O GWH12AB A3DNA1B O COMP CT1 2 lt OUTROOM EXHUAST TEMSENSOR TEM SENSOR TEM SENSOR L2 2 W5BU W6 YE W7 BK P L2 RT4 RT5 A lt COMU AC L1 AC N1 AC N3 AC N4 AC L3 AC L2 AC L2 AC L4 Y W20 BU W23 OG W21 BN C3 Wi9BU WARD al 211 Y W22 WH OVERHEAT OUTTUBE OUTROOM EXHAUST U 4V ACN gt V 10 Schematic Diagram Schematic Diagram 2 Models GWH0O9AB A3DNA1B 0 GWH12AB A3DNA1B O TUBE OUTROOM EXHUAST W3YEGN TEM SENSO
12. Is the electric wiring and piping It may cause electric malfunction connection installed correctly and securely or damage the part Has the unit been connected to a secure It may cause electrical leakage earth connection Is the power cord specified It may cause electric malfunction Are inlet and outlet openings blocked It may cause insufficient cooling heating capacity Is the length of connection pipes The refrigerant capacity is not accurate and refrigerant capacity been recorded 7 5 2 Operation Test 1 Before Operation Test 1 Do not switch on power before installation is finished completely 2 Electric wiring must be connected correctly and securely 3 Cut off valves of the connection pipes should be opened 4 the impurities such as scraps and thrums must be cleared from the unit 2 Operation Test Method 1 Switch on power and press ON OFF button on the wireless remote controllerto start the operation 2 Press MODE button to select the COOL HEAT Cooling only unit is not available FAN to check whether the operation is normal or not 30 8 Exploded Views and Parts List 8 1 Indoor Uni
13. The sensor is detected to be open circuited or short circuited for Outdoor ambient temperature successive 30 seconds The sensor is detected to be open circuited or short circuited for Outdoor tube temperature successive 30 seconds and no detection is performed within 10 minutes after defrost begins Ein oper iratan Exhaust ete to be open circuited or short circuited for successive 30 seconds After the compressor has operated for 3 minutes the sensor is detected 4 Other Controls 1 ON OFF Press the remote button ON OFF the on off state will be changed once each time you press the button 2 Mode Selection Press the remote button MODE then select and show in the following ways AUTO COOL DRY FAN HEAT AUTO 3 Temperature Setting Option Button Each time you press the remote button TEMP the setting temperature will be up or down by 1 8 F Regulating Range 61 86 F the button is useless under the AUTO mode 4 Time Switch You should start and stop the machine according to the setting time by remote control 5 SLEEP State Control a When the air conditioner is under the mode of COOL DRY and the SLEEP mode has been set well after the SLEEP state keeps about 1 hour the pre setting T will raise 1 8 F and it will raise 1 8 F again after 2 hours so it raise 3 6 F in 2 hours then it will run on at the setting temperature and wind speed b When the air conditioner is under the m
14. Tube diameter Tightening torque approximate N m Indoor unit piping g nut Piping LG 6 35 1 4 14 18N m 140 180kgf cm 9 52 3 8 34 42N m 340 420kgf cm foro 12 7 1 2 49 61N m 490 610kgf cm wrench 15 88 5 8 68 82N m 680 820kgf cm NOTE Connect the connection pipe to indoor unit at first and then to outdoor unit Handle piping bending with care Do not damage the connection pipe Ensure that the joint nut is tightened firmly otherwise it may cause leakage GWHO9AB A3DNA1B O GwH42AB D3DNATB O 7 GWH12AB A3DNA1B O 7 4 Install Outdoor Unit 7 4 1 Electric Wiring 1 Remove the handle from the outdoor unit 2 Fasten the power supply cord and the connection cord to the retaining plate using the lock nut open the knock out holes if necessary 3 Connect the power supply cord and the connection cord to terminal 4 Fasten the power supply cord and connection cord with cord clamp 5 Install the handle onnedtion cord power supply cord The screws are packed with the terminal board NOTE NK Q Finish Incorrect wiring may cause malfunction of spare part After the wire has been fixed ensure there is free space between the connection and fixing places on the lead wire Schematic diagram being
15. replace the capillary replace the compressor use universal meter to check if the contactor of compressor is fine when it is not overh eated if not replace the prote ctor 6 System malfunction Le overloadprotection Whentubetemperature Check thetemperatureof outdoor heat exchanger when cooling and check the temperature of indoor heat exchanger when heating is too high protectionwill beactivated Possible reasons Outdoor temperature is too high when cooling insufficient outdoor air circulation refrigerant flow malfunction please refer to the malfunction analysis in the previous section for handling method 7 IPM module protection Processing method Once the module malfunction happens if it persists for a long time and can not be self canceled cut off the power and turn off the unit and then re energize the unit again after about 10 min After repeating the procedure for sever times if the malfunction still exists replace the module 49 Troubleshooting 9 3 How to Check simply the main part 1 Capacitor charge fault Fault with outdoor unit AP1 below refers to the outdoor control panel Main Check Points Use AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 21 240 if the reactor L is correctly connected If the connection is loose or fallen If the reactor L is damaged Fault diagnosis process Turn on the unit and wait 1 minute Use DC voltmet
16. wrap the valves withwet cloth to avoid damage for high temperature and air return pipe to remove the gas valve Unscrew the two bolts fixing liquid valve Unsolderweld spots UN gas valve between liquid valve and capillary toremove the liq uid valve 9 Disassemble Compressor Unscrew the three foot nuts at the foot of the compressortake out the compressor compressor and then carefully remove the pipes to unsolder the suction and the discharge pipes 64 GREE
17. T tuve gt 104 F the indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non operation if T tube gt 108 F the fan will run at present speed 2n the case of T indoor amb 75 F if T tube 108 F the indoor fan will run at low speed and after one minute the indoor fan will be converted to preset speed Within one minute low speed operation if T use 104 F the indoor fan will be converted to preset speed Note T indoor amb indicated refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cleared Total current up and frequency down protection If the total current lt W frequency rise will be allowed if X frequency rise will not be allowed if Y the compressor will run at reduced frequency and if ltota Z the compressor will stop and the outdoor fan will stop with a time lag of 30s 4 Fan Mode Under the mode the indoor fan will run at preset speed and the compressor the outdoor fan the four way valve and the electric heater will stop gt Under the mode temperature can be set within a range of 61 86 F 5 AUTO Mode Q Working conditions and pr
18. changes as below gt l gt I gt gt MZ 4 OFF gt lt gt 1 This is an universal use remote controller If remote controller sends the following three kinds of status gt l Sf or the swing status of main unit will which indicates the guide louver swings up and down between that all five positions B gt gt lt lt lt When the guide louver start to swing up and down if turn off the Swing the air guide louver will stop at current position Pressing X FAN button in COOL or DRY mode the icon is displayed and the indoor fan will continue operation for 10 minutes order to dry the indoor unit even you have turned off the unit After energization OFF 15 defaulted X FAN is not available AUTO FAN or HEAT mode 16 Function and Control TEMP Press this button could select displaying J the indoor setting temperature 3 indoor ambient temperature jorn outdoor am bient temperature The unit defaults not to display the icon During operation of TEMP button the set tem perature is always displayed TIMER OFF Once press this key to enter into TIMER OFF setup in which case the TIMER OFF icon will blink The method of setting is the same as TIMER ON TURBO Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in shortest time Such as in COOL mode the unit will blow str
19. machine is start by remote control the indication pattern will light and display the current operation mode the mode light includes Cooling heating and dehumidify If you close the light key all the display patterns will close 2 Double 8 display According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 61 to 86 F and indoor ambient temperature The heating and air supply temperature will display 77 F under auto mode the temperature will display 18 under the heating mode and the temperature will display H1 under the defrosting mode If you set the fahrenheit temperature display the nixie light will display according to fahrenheit temperature 11 Protection function and failure display E2 Freeze proofing protection E4 Exhausting protection E5 Overcurrent protection E6 Communication failure E8 Overload protection F1 Indoor ambient sensor start and short circuit continuously measured failure in 20S F2 Indoor evaporator sensor start and short circuit continuously measured failure in 20S F3 Outdoor ambient sensor start and short circuit continuously measured failure in 30S F4 Outdoor condenser sensor start and short circuit continuously measured failure in 30S and don t measure within 10 minutes after defrosted F5 Outdoor exhausting sensor start and short circuit continuously measured failure in 30S after the compressor operated 3 minut
20. manuals be alert to the potential for personal injury Understand these signal words DANGER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which may result in minor personal injury or product and property damage NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation A WARNING ELECTRICAL SHOCK HAZARD Failure to follow this warning could result in personal injury or death Before installing modifying or servicing system main electrical disconnect switch must be in the OFF position There may be more than 1 disconnect switch Lock out and tag switch with a suitable warning label Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these instructions when wiring Improper connections or inad equate grounding can cause accidental injury or death Ground the unit according to local electrical codes Connect all wiring tightly Loose wiring may cause over heating at connection points and a possible fire hazard e Make sure the ceiling wall is strong enough to hold the unit s weight The outdoor unit should be installed in a location where air and noise emitted by the unit w
21. reference only please refer to real product for authentic information 28 7 4 2 Air Purging Leakage CAUTION UNIT HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant tubes and indoor coil should be evacuated using the recommended deep vacuum method of 500 The alternate triple evacuation method may be used if the procedure outlined below is followed Always break a vacuum with dry nitrogen SYSTEM VACUUM AND CHARGE Using Vacuum Pump 1 Completely tighten flare nuts D connect manifold gage charge hose to a charge port of the low side service valve See Fig 10 Connect charge hose to vacuum pump Fully open the low side of manifold gage See Fig 11 Start vacuum pump N Evacuate using either deep vacuum or triple evacuation method After evacuation 15 complete fully close the low side of manifold gage and stop operation of vacuum pump 7 factory charge contained outdoor unit Is good for up to 25 ft 8 m of line length For refrigerant lines longer than 25 ft 8 m add 0 1 oz per foot of extra piping up to the maximum allowable length 8 Disconnect charge hose from charge connection of the low side service valve 9 Fully open service valves and 10 Securely tighten caps of servic
22. remove theright side plate screw 62 Removal Procedure Step Procedure 4 Disassemble electric box subassembly screw electric box cover Unscrew the screws fixing electric box cover lift it upward to remove the electric box cover Unscrew the screws fixing electric box pull out theconnection wire of compressor motor fan motor andelectric box lift them upward to remove the electricbox SCrew 5 Disassemble Axial Flow Fan Loosen the tight nut fixing the axial flowfan witha spanner and then take out the nut spring gasketand flap gasket in turn tight nut axial flow fan 6 Disassemble Motor and Motor Support motor supoort Unscrew tight screw to take motor out unscrew thescrews fixing motor support lift it upward to removethe motor supoort SCrews motor 63 Removal Procedure 7 Disassemble 4 way valve subassembly 4 way valve Weld out the 4 spot weld connect 4 way valve sub assembly and condenser inlet and outlet port spot weld ofcompressor gas valve to remove the 4 way valve subassembly Be sure weld it as soon as possible toavoid burn out the leading wire of compressor Note Confirm the refrigerant is out completely be fore weldout the 4 way valve subassembly valve 8 Disassemble Gas and Liquid Valves liquid valve Unscrew the two bolts fixing gas valve and liquidvalve Unsolder weld spots between gas valve and Note During unsoldering
23. sensor Circuit open or circuit short for indoor evaporator pipe temp sensor Communication line failure main PCB failure interfere source connect line wrong Communication is normal The jumper misfit the main board Indoor tube temperature is too high 47 Troubleshooting If malfunction occurs corresponding code will display and the unit will resume normal until protection or malfunction disappears Yellow indicator blinks for once Compressor stars normal Yellow indicator blinks for twice Defrosting normal display of indoor unit Anti freezing protection normal Yellow indicator blinks for 3 times display of indoor unit Yellow indicator blinks for 4 times IPM protection Yellow indicator blinks for 5 times Overcurrent protection Yellow indicator blinks for 6 times Overload protection Yellow indicator blinks for 7 times Exhaust protection Overlod protection of compresoor Yellow indicator blinks for 8 times Indicator display Cooling dehumidify or heating current Red indicator blinks for once dropped frequency current of outdoor unit Red indicator blinksfor 3 times Tube temp gt dropped frequency temp Red indicator blinks for 4 times T tube in lt dropped frequency temp Red indicator blinks for 5 times Outdoor condenser temp sensor mal Red indicator blinks for twice Exhaust temp dropped frequency temp Red indicator for 6 times Outdoor ambient temp sensor mal Red indicator bli
24. set point Press this button the temperature can be set up continuously press this button and hold for two seconds the relative contents can quickly change but in AUTO mode set temperature is not adjustable FAN Press this button Auto Low Middle High speed can be circularly selected After powered on Auto fan speed is default Under Dehumidify mode Low fan speed only can be set up 15 Function and Control rc 4 80 4d fl A44 Medium speed High speed Press this button Auto Cool Dry Fan Heat mode can be selected circularly Auto mode is default while power on Under Auto mode the temperature will not be displayed In this mode the unit will automatically select the suitable operation mode in acc ordance with the room temperature to make the room more comfortable for you 8 AUTO COOL DRY FAN XX HEAT Note Only for models with heating function n FEEL Press this button FEEL On and FEEL Off can be selected In the FEEL function The unit will adjust temperature automatically according to the sensed temperature The function is not for the models mentioned in the manual Press this button to set HEALTH function ON or OFF After the unit is turned on it defaults to HEALTH function ON 1 The function is not for the models mentioned the manual Press this button to select AIR function ON or OFF cock Press this butt
25. wiring is connected correct Is compressor broken 15 time for compressor stopping enough Fault diagnosis process Power on the unit Is stop time of the compressor longer than 3 minutes N Restart it up after 3 minutes Does startup fail Connect the wires as N per the connection diagram Are the wires for the compressor connected correctly 15 connection sequence right Replace the control panel If the fault is eliminated Replace the compressor Y P 53 Troubleshooting 5 Out of step diagnosis for the compressor hereinafter refers to the control board of the outdoor unit Mainly detect Whether the system pressure is too high Whether the input voltage is too low Fault diagnosis process Out of step occurs once the Out of step occurs in unit is powered on operation Is stop time of the compressor longer than 3 minutes Is the outdoor fan working normally capacitor C1 the outdoor fan Y Remove foreign objects Check if the fan terminal gt is connected correctly Replace the Is the outdoor unit blocked by foreign objects Are the wires for the compressor connected correctly 15 connection sequence right N Is the connection made in clockwise Y direct
26. 000 1 28Reator 43130178 1 29 Electric Box CoverSub A 0260309600 1 30 Box Assy 0140398683 1 3l AxilFlowFan 10333500 1 Main Board 30138209 1 2 7 I L I The above data are subject to be changed without notice 42 9 Troubleshooting 9 1 Malfunction Analysis Note When replacing the controller make sure insert the wire jumper into the new controller otherwise the unit will display C5 Air conditioner can not start up Trip of breaker or blow of fuse The air condition er does not react after it is power ed after the plug 15 inserted the buzzer does not sound and the remote star tup has no response uzzer will sound unless it has malfunction The breaker trips at once when it is set to ON The breaker trips in few minutes when it is set to ON Troubleshooting Measure insulation resistance to ground to see if there is any leakage The circuit or the part of the air conditioner has malfunction They heat and break the insulation and lead to short circuit or creepage Measure the insulation resistance or eliminate the mal function one by one If the breaker itself has malfunction then replace the breaker Power plug is not well plugged in and poor con nection Fuse of controller burnt out The transfor
27. 2 Si ec L amb 2 es LN es ae as U A L 2 T w O 3 9 lt x 5 o o o ed Compressor Terminal for switch power temp sensor ransformer with Terminal for Terminal for null wire igh frequency overload protector Outdoor pipe temp sensor of compressor Outdoor ambient temp sensor BOTTOM VIEW N 4 O 4 y Py tue C 00000 m m m m m 14 Function and Control 6 Function and Control 6 1 Remote Control Operations ON OFF Button Setpoint Temperature DOWN Button Setpoint Temperature UP Button FAN Speed Button MODE Button A FEEL Button HEALTH function Button AIR function Button Clock Button Timer ON Button NZ xu mE N X FAN Button El Temperature Displaye Button TIMER OFF Button TURBO Button Sleep Mode Button Light Mode Button gt j is the alternative expression of BLOW for the purpose of understanding Press this button the unit will be turned on press it once more the unit will be turned off To lower temperature set point Press this button sets temperature when unit is on Continuously press and hold this button for more than 2 seconds the corresponding contents will be changed rapidly but in AUTO mode set tempera ture is not adjustable To increase temperature
28. 6 times blink 15 times blink 10 times Reasons Normal Normal Refrigerant leakage indoor unit air flow blocked up filter duty IPM moudel over current outdoor unit air flow blocked up Outdoor unit over current ambient temperature is abominable Ambient temperature is abominable heat exchanger blocked up Less refrigerant capillary blocked up ambient temperature is abominable Compressor shell over heat less refrigerant capillary blocked up Ambient temperature is abominable IPM moudel over heat outdoor unit air flow blocked up The EEPROM on the outdoor PCB mainboard can not read or write DC voltage is too low DC voltage 15 too high The PFC circuit over current indoor fan is abnormal The indoor unit and outdoor unit doesn t match Less refrigerant capillary blocked up Outdoor unit over current ambient temperature is abominable Less refrigerant capillary blocked up ambient temperature is abominable Ambient temperature is abominable heat exchanger blocked up Refrigerant leakage indoor unit air flow blocked up filter duty Circuit open or circuit short for outdoor condenser pipe temp sensor Circuit open or circuit short for outdoor environment temp sensor Circuit open or circuit short for outdoor gas discharge pipe temp sensor Nomal compressor prepare to running IPM moudel over heat outdoor unit air flow blocked up Ambient temperature is abominable Circuit open or circuit short for indoor environment temp
29. 94 F and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation Communication fault If the unit fails to receive correct signals for durative 3 minutes communication fault can be justified and the whole system will stop Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will not be started again Overload protection If temperature sensed by the overload sensor is over 239 the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 203 F the overload protection will be relieved If voltage on the DC bus is below 150V or over 420V the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds When voltage on the DC bus returns to its normal value and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation Faults of temperature sensors 20 Function and Control Designation of sensors Designation of sensors sensors The sensor is detected to be open circuited or short circuited Indoor ambient temperature successive 20 seconds The sensor is detected to be open circuited or short circuited for Indoor tube temperature successive 20 seconds
30. Finally wrap it 1 Cut off the tailings 1 when routing the wiring only Fig with tape Water drainage pipe 2 Cut off the tailings 1 and tailings 2 when routing both the wiring and piping U Gas side piping Tailing 2 insulation 5 Tailing 1 2 Take out the piping from body case wrap the piping power cords drain hose with the tape and then make hem pass through the piping hole As shown in Fig 8 3 Hang the mounting slots of the indoor unit on the upper hooks Right 24 Left rear of the mounting plate and check if it is firm enough As shown Right ears in Fig 9 4 The installation site should be 98 4 in or more above Fixing hook Mounting the floor Mounting plate plate E 7 3 6 Install the Conduit assy Fig 9 1 Pass the connection wires of indoor and outdoor units throught the wire passing pipe 2 Fix the wire passing pipe at the chassis with 2 screws Conduit assy consists of conduit conduit holder and conduit connector i The length of the wire passing pipe can be calculated ye ing tothe length of connection wire Conduit connector Conduit holder duit 27 Installation Manual 7 3 7 Installation of Connection Pipe 1 Align the center of the piping flare with the related valve 2 Screw in the flare nut by hand and then tighten the nut with spanner and torque wrench by referring to the following
31. R TEM SENSOR TEM SENSOR W8 YEGN L L2 L2 W5 BU OUTTUBE OUTROOM EXHAUST OO 2 L1 2020 OOUZ 7 E UJ gt U d OFAN CN N V A ACL2 AC L3 N3 IN J 1 W110G W12WH ld gt W9 BU FAN MOTOR G These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 11 Schematic Diagram 5 3 Printed Circuit Board Indoor Unit TOP VIEW amp c Q 5 TT SWING UD Be 55 55 3 8 z tu 5 881 N2 ireo C IC R79 93 JL C209 26 d Q 10157 4E 1 0 d a 8 Cmm E ain a 2 L_ 54 C _ 4 213 2 FUI D15 c21 R85 R78 R1 us 9 R47 1645 2 C206 2 1 ics t a mL D CL 5 coop 7 Din 5 x TT 02687 haram 7a I Sj 11 5 o 5 COM INNER R31 1 C44 LI 85 CLEA 3 ne ie ak 5 CC D131 L gt a o RC1 F R49L R48 6212 97 a l T z COMP _ os m H C53 o 2 1 A L1 5 8 lt L a c22 207 css o meen 3 a MARK ARER 5 ml
32. S HI L R R42 lt 211912 pL K4 0132 7 af E 0131 mM M N IE E R134 Us r D Ler TF ez EE R131 G acia e R35 T R 09 LE sr 36 R135R1310C132 22203 c202 C10 2132 d 0135 3516789 ROOM CN3TUBE GRJ820 A 92 0 2010 1 21 Indoor tambien temp sensor Indoor pipe temp sensor C218 Coy aie P c EM e BOTTOM VIEW Schematic Diagram Outdoor Unit 1 Models GWH09AB A3DNA1B O GWH12AB A3DNA1B O TOP VIEW Jumper null wire Positive pole Terminal for electronic Of big capacitor PoS Terminal for fan valve expansion valve Jumper null wire b of big capacito brown wire blue wire Jumper live wire joint terminal for positive pole mn 3 negative pole of two capacitors C orange wire 2 w Protective tube for switch power rt EN C p C Overload Transformer with Voltage IPM module temp sensor ambient emp sensor high frequency regulator 7805 Three phase terminal of compressor Phase U blue wire Phase Y yellow wire Ph W r i ompressor discharge temp sensor e BOTTOM VIEW
33. WHO9AB A3DNA1B O GWH12AB A3DNA1B O GWH12AB D3DNA1B O Remote control window YT1FF 206 1 Safety Precautions Safety Precautions Installing starting up and servicing air conditioning equipment can be hazardous due to system pressures electrical components and equipment location roofs elevated structures etc Only trained qualified installers and service mechanics should install start up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils All other operations should be performed by trained service personnel When working on the equipment observe precautions in the literature and tags stickers and labels attached to the equipment Follow all safety codes Wear safety glasses and work gloves Keep quenching 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 literature and attached to the unit Consult local building codes and current editions of the National Electrical Code Recognize safety information This is safety alert symbol A I When you see this symbol on the unit and in instructions or
34. ch case the indoor fan the outdoor fan and the compressor will work and the indoor fan will run at preset speed When Tamb Tpreset 28 4 F the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will run at preset speed When Tpreset 28 4 F lt Tamb lt Tpreset 33 8 F the unit will remain at its previous state gt Under this mode the four way valve will be de energized and temperature can be set within a range from 61 to 86 F If the compressor is shut down for some reason the indoor fan and the swing device will operate at original state p cooling ls Sto Protection Antifreeze protection Under cooling and dehumidifying mode 6 minutes after the compressor is started If T evap lt 35 6 F the compressor will operate at reduced frequency If evap lt 30 2 F is detected for durative 3 minutes the compressor will stop and after 30 seconds the outdoor fan will stop and under cooling mode the indoor fan and the swing motor will remain at the original state If T evap 42 8 F and the compressor has remained at OFF for at least 3 minutes the compressor will resume its original operation state Total current up and frequency down protection If A frequency rise will be allowed if Itotal B frequency rise will not be allowed ifltotal the compressor will run at reduced frequency and if Itotal D the compressor will stop and the outdoor fan
35. e as that under the cooling mode b In heating operation protection is the same as that under the heating mode c When ambient temperature changes operation mode will be converted preferentially Once started the compressor will remain unchanged for at least 6 minutes 6 Common Protection Functions and Fault Display under COOL HEAT DRY and AUTO Modes Overload protection T tube Measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat ex changer under heating mode 1 Cooling overload a If T tube X 126 F the unit will return to its original operation state b If T tube gt 131 F frequency rise is not allowed C If Ttube 136 F the compressor will run at reduced frequency d If Ttube 144 F the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube 126 F the unit will return to its original operation state b If T tube 131 F frequency rise is not allowed C If Ttube 136 F the compressor will run at reduced frequency d If Ttube gt 144 F the compressor will stop and the indoor fan will blow residue heat and then stop Exhaust temperature protection of compressor If exhaust temperature 208 F frequency is not allowed to rise If exhaust temperature 217 F the compressor will run at reduced frequency If exhaust temperature 230 F the compressor will stop If exhaust temperature x 1
36. e valves Refrigerant Indoor Unit Low Side gt gt High Side Service Valve Outdoor Unit A07360 Fig 10 Service Valve Manifold Gage 500 microns 7 Low side valve Low side valve 07361 Fig 11 Manifold Installation Manual Deep Vacuum Method The 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 way of assuring a system is free of air and liquid water See Fig 12 5000 2600 AO LEAKIN 3000 2000 VACUUM TIGHT 1000 E TOO WET TIGHT 200 DRY SYSTEM 0 1 2 3 4 5 6 7 MINUTES A95424 Fig 12 Deep Vacuum Graph Triple Evacuation Method The triple evacuation method should only be used when vacuum pump is only capable of pumping down to 28 in of mercury vacuum and system does not contain any liquid water Refer to Fig 18 and proceed as follows 1 Pump system down to 28 in of mercury and allow pump to continue operating for an additional 15 minutes 2 Close service valves and shut off vacuum pump 3 Connect a nitrogen cylinder and regulator to system and open until system pressure is 2 psig 4 Close service valve and allow system to stand for 1 hr Dur ing this time dry nitrogen will be able to diffuse throughout the system absorbing moisture 5 Repeat this procedure as indicated in Fig 13 th
37. en be free of any contaminants and water vapor WAIT System will EVACUATE CHECK FOR TIGHT DRY SYSTEM IF IT HOLDS DEEP VACUUM RELEASE CHARGE INTO SYSTEM d M 95425 Fig 13 Triple Evacuation Method Final Tubing Check IMPORTANT Check to be certain factory tubing on both indoor and outdoor unit has not shifted during shipment Ensure tubes are not rubbing against each other or any sheet metal Pay close attention to feeder tubes making sure wire ties on feeder tubes are secure and tight 29 Installation Manual 7 4 3 Outdoor Condensation Drainage only for Heat pump unit During heating operation the condensing water and defrosting water should be drained out reliably through the drain hose Install the outdoor drain connector in a 25 hole on the the base plate and attach the drain hose to the connector so that the waste water formed in the outdoor unit can be drained out The hole diameter 25 must be plugged Whether to plug other holes will be determined by the dealers according to actual conditions HIE EAT TT LINN mmu TT Outdoor drain connector 7 5 Check after Installation and Operation Test 7 5 1 Check after Installation a insufficient cooling heating Is the voltage in accordance with the rated It may cause electric malfunction voltage marked on the nameplate or damage the product
38. er to measure the voltage on the two ends of electrolytic capacitor kus Fault with the voltage oltage higher than 200 testing circuit on Replace the control control panel AP1 panel AP1 N Y Measure the AC voltage between terminalL andN on wiring board XT power supply Shut down the power Voltage within and repair the power power on and If the fault is 210VAC 250VAC N supply to restore the restart the unit aliminated 210VAC 250VAC Y Shut down the power and wait 20rmtes use DC voltmeter to measure the voltage on the two ends of capacitor test3 until the voltage is lower than 20V Check the connection of reactor in the Electrical Wiring Diagram Connect the reactor Laccording to Elec Re energize and N trical Wiring Diagr turn on the unit am correctly If the wiring of reactor Lis normal If the fault is eliminated Y Y Replace the control panel AP1 N End 50 Troubleshooting 2 IPM Protection Out of step Fault Compressor Phase Overcurrent below refers to the outdoor control panel Main check points f the connection between control panel and compressor COMP is secure If loose If the connection is in correct order If the voltage input of the machine is within normal range
39. es H3 Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating P2 Maximum cooling and heating P3 Medium cooling and heating Minimum cooling and heating 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 10 minutes under low air damper The swing will operate as the former status within 10 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will stop the machine directly When you start the drying function operating the drying button will stop the inner fans and close the guide louver 13 Memory function when interrupting the power supply Memory content mode swing function light set temperature and wind speed After interrupted the power supply the machine will start when recovering the power according to the memory content automatically If the last remote control command has not set the timed function the system will remember the last remote control command and operate according it If the last remote control command has set timed function and the power supply is interrupted before the timed
40. es for fuses accord with the silk print on fuse cover or related PCB 24 Installation Manual 7 2 Installation Drawing Space ceiling Space to wyar AN x Fs Air outlet side 2 x i p x The dimensions of the space necessary for correct Installation of the appliance include the minimum I permissible distances to adjacent structures F PE p E E Space to the obstruction ute 22 x lt Air inlet side p ig Space to wall E opace to D Air outlet side This is just the schematic plan please refer to the actual product 25 Installation Manual 7 3 Install Indoor Unit 7 3 1 Installation of Mounting Plate 1 Make the mounting plate completely level As the water tray s oulet of the indoor unit is two way type the indoor unit during installation should slightly slant to watert tray s outlet for smooth drainage of condensing water 2 Fix the mounting plate on the wall with screws Where is pre covered with plastic granula 3 Be sure that the mounting plate has been fixed firmly enough to withstand the weight of an adult of 132 3 Ib further more the weight should be evenly shared by each screw AU middie crit
41. ill not disturb the neighbors Properly insulate any refrigerant or condensate line running inside a room to prevent sweating that can cause dripping water and damage to walls and floors The outdoor unit must be installed on stable level surface where there is no accumulation of snow leaves or rubbish The unit should be installed according to the instructions in order to minimize the risk of damage from earthquakes hurricanes or strong winds Contact of refrigerant and fire generates poisonous gas Use specified refrigerant only A CAUTION UNIT DAMAGE HAZARD Failure to follow this caution may result in equipment damage or improper operation Never use the system compressor as a vacuum pump Refrigerant lines and indoor coil should be evacuated using the recommended deep vacuum method of 500 microns The alternate triple evacuation method may be used if the procedure outlined below is followed Always break a vacuum with dry nitrogen Keep your fingers and clothing away from any moving parts Clear the site after installation Make sure no foreign objects are left in the unit Always ensure effective grounding for the unit Caution Never install on the place where combustible gas might leak or it may lead to fire or explosion When the unit is installed at telecommunication centers or hospitals take a proper provision against noise When installing at a watery place provide an elec
42. ion Replace the N 1 Connect the X wires correctly Y Replace the control panel AP1 If the fault is eliminated Y If the fault is eliminated Replace the Replace the compressor lt D 54 6 and air exhaust malfunction diagnosis following AP1 for outdoor unit control board Mainly detect Wether the PMV is connected well or not 15 PMV damaged 5 refrigerant leaked Fault diagnosis process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Y Y wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electroni expansion valve If the fault is eliminated N Y Replace the control panel AP1 If the fault is eliminated N Y Coolant leakage refilling the coolant lt 55 Troubleshooting Troubleshooting 7 Power factor correct or PFC fault a fault of outdoor unit AP1 hereinafter refers to the control board of the outdoor unit Mainly detect Check if the reactor L of the outdoor unit and the PFC capacitor are broken Fault diagnosis process Check wiring of the reac
43. let pipe The drain hose should be slanted downward slightly without distortion bulge or fluctuation Do not put the outlet in the water insulating tube distortion 26 Installation 7 3 4 Connecting Indoor and Outdoor Electric Wires Mans Cover 1 Open the front panel 2 Remove the wiring cover 3 Make the power connection cord and signal control wire only for heat pump unit pass through 4 Reinstall the cord anchorage and wiring cover 5 Reinstall the front panel the hole at the back of indoor unit outdoor unit connection NOTE All wires between indoor and outdoor units must be connected by the qualified electric contractor Electric wires must be connected correctly Improper connection may cause malfunction Tighten the terminal screws tightly After tightening the screws pull the wire sligltly to confirm whether it s firm or not Make sure that the electric connections are earthed properly to prevent electric shock Make sure that the electric connections are earthed properly to prevent electric shock properly Poor installation may cause fire or electric shock External connection Gas side pipe electric wire 7 3 5 Installation of Indoor Unit The piping can be output from right right rear left or left rear 1 When routing the piping and wiring from the left or right side of indoor unit cut off the tailings from the chassis when necessary As shown in Fig 7
44. mer connection is loose or has bad contact or the transformer has malfunction Controller is broken Remote controller is short of powe Remote controller malfunction Receiver loose or poor connection Receiver is broken Check power supply circuit Check if the plug is properly plugged in and make the loose contact firm Change controller fuse Fasten the wiring measure the output voltage of the transformer if it is incorrect change the transformer Check remote controller Change batteries First press the manual switch button AUTO if there is no response check based on the above methods If it runs normally after pressing the button check again whether the installation position and the connection wire of the reception head is correct If it is correct then replace the receiver or the remote controller Power voltage is too low 43 Check voltage If it is lower than 10 of the rated voltage check the cause improve the power supply condition and add the stabilized voltage power supply Troubleshooting 5 en lt LL I A Improper set of temperature Adjust set temperature If cooling heating load is Check the forecasted load of cooling heating The refrigerant has leakage Check and fill the leakage then vacuumize it and supplement the refrigerant as required Leakage between the high pres
45. missible Excessive Operating Pressure for PSI 551 Discharge Side Permissible Excessive Operating Pressure for the PSI Suction Side La o Gross Went el connect on Pipe Max Distance Length tl The above data is subject to change without notice Please refer to the nameplate of the unit Constrction views 3 Construction Views 3 1 Indoor Unit THE SAME DIMS FOR 9k12k 11 1 7 12K Unit 4 23 4 5 6 8 15 UOUE Unit inch w H 9 33 3 8 21 1 4 12 3 5 23 2 9 12 3 5 Refrigerant System Diagram 4 Refrigerant System Diagram Heat exchanger INDOOR jm T Muffler 4 Way valve mmm Compressor Strainer Expansion valve Sub accumulator GD OD Heat exchanger Strainer OUTDOOR mmm p Cooling p gt Heating Refrigerant Pipe Diameter Schematic Diagram 5 Schematic Diagram 5 1 Electrical Date Meaning of marks Indoor Unit Symbol Color symbol Symbol Color symbol LM Nx BN BROWN Outdoor Unit NN tine Front tine MIE Dj RD L reactor BN SATOVERLOAD BN BROWN COMP
46. n duration of successive heating operation is more than 45 minutes or accumulated heating time more than 90 minutes and one of the following conditions is reached the unit will enter the defrost mode after 3 minutes a Toutdoor amb A F T outdoor tube lt W F b A9 F x Toutdoor amb B F Toutdoor tube B F x Toutdoor amb C F Toutdoor tube Y F d Toutdoor amb lt C F T outdoor tube SZ F At that time the indoor fan stops and the compressor stops and after 30 seconds the outer fan will stop and then after 30 seconds the four way valve will stop After 30 seconds the compressor is initiated for raising the frequency to defrost frequency When the compressor has operated under defrost mode for 7 5 minutes or Touter tube gt the compressor will be converted to 53Hz operation After 30 seconds the compressor will stop And after another 30 seconds the four way valve will be opened and after 60 seconds the compressor and the outer fan will be started the indoor fan will run under preset cold air prevention conditions and H1 will be displayed at temperature display area on the display panel Defrost frequency is 70Hz 3 Protection Cold air prevention The unit is started under heating mode the compressor is ON Din the case of T indoor amb lt 75 F if T tube x 104 F and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if
47. n object Adjust support washer of compressor and tighten loosen screws Compressor shakes too much Abnormal sound Touch of pipeline of outdoor unit Separate the touching pipeline and shake 1 Tighten connect screw Touch of inner plates gt j 2 Stick absorbing clay between plates Louver of outdoor unit touched outer Adjust location of louver case L Abnormal sound inside compressor Change compressor 46 Troubleshooting 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement Name of malfunction Compressor running normal Automatic defrosting normal Anti freezing protection Stop for IPM module protection over current Stop for over current protection Overload protection Stop for exhaust protection Stop for compressor overload protection Stop for over power protection Stop for IPM module protection over heat Stop for EEPROM read write malfunction Stop for low voltage protection Stop for high voltage protection Stop for PFC circuit over current protection No feedback of indoor fan motor Stop for ID and OD doesn t match Refrigerant or Capillary abnormity Compressor frequence limit by over current protection Compressor frequence limit by exhaust protection Compressor frequence limit by over load protection Compressor frequence limit by anti freezing protec
48. nks for 7 times Outdoor exhaust temp sensor mal Red indicator blinks for 8 times Starting at temp does not reach Green indicator does not blink Communication is abnormal Troubleshooting Analysis or processing of some of the malfunction display 1 Compressor discharge protection Possible reasons shortage of refrigerant blockage of air filter poor ventilation or air flow short pass for condenser the system has noncondensing gas such as air water etc blockage of capillary assy including filter leakage inside four way valve causes incorrect operation malfunction of compressor malfunction of protection relay malfunction of discharge sensor outdoor temperature too high Processing method refer to the malfunction analysis in the above section 2 Low voltage overcurrent protection Possible reason Sudden drop of supply voltage 3 Communication malfun ction Processin g method Check if communication signal cable is connected reliably 4 Sensor open or short circuit Processin g method Check whether sensor is normal connected with the corre sponding po sition on the controller and if damage of lead wire is found 5 Compressor overload protection Possible rea sons insufficient or too much refrigrant blockage of capillary an d increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunc tion of protector Processing method adjust refrigerant amount
49. not on then replace the protector The refrigerant is not enough or is too much The capillary is blocked and the temp The compressor is erature rises too hot and leads to the action of The compressor does not run smoothly or the protector is stuck The air discharge valve is damaged Adjust the volume of the refrigerant Replace the capillary Replace the compressor The protector itself has malfunction Replace the protector The torque of the swing motor is not enough wrong connection The controller is damaged IC2003 is damaged the swing relay can not close First check whether the connection is wrong If no replace the parts etc 45 Troubleshooting 122003 b parallel capacitor of relay loop Change controller relay is broken etc In cool heat outdo or unit and Wire loose or wrong connection Correctly wire according to the drawing mpressor will not run L Improper setting of temperature gt Adjust setting temp x pipe blocked or broken Change drainage pipe Wrap of refrigerant pipe joint is not close enough Water leakage Re wrap and make it tight x Fan of indoor unit contacts other parts Adjust fan location Foreign object in indoor unit Take out the foreig
50. ocess of AUTO mode Under AUTO mode standard cooling temperature Tpreset is 77 F standard heating temperature Tpreset is 64 F a Once energized if Tamb lt 68 F the unit will be started under heating mode if 68 F lt Tamb lt 77 F the unit will run under fanmode and the run indicator will be bright and if 77 F the unit will be started under cooling mode 19 Function and Control b Under AUTO mode if Tamb Tpreset is detected the unit will select to run under cooling mode in which case implicit preset temperature is 77 F if Tamb lt Tpreset 28 4 F the compressor will stop the outdoor fan will stop with a time lag of 1 minute and the indoor fan will run at preset speed and if Tpreset 28 4 F lt Tamb lt Tpreset the unit will remain at its original state c Under AUTO mode if lt Tpreset 35 6 F is detected the unit will select to run under heating mode in which case implicit preset temperature is 64 F if Tpreset 41 F the compressor will stop the outdoor fan will stop with a time lag of 1 minute and the indoor fan will run under the mode of residue heat blowing and if Tpreset 35 2 F lt Tamb lt Tpreset 41 F the unit will remain atits original state The cooling only unit will run under fan mode d Under AUTO mode if 68 F lt Tamb lt 77 F the unit will remain at its original state Protection a In cooling operation protection is the sam
51. ode of HEAT and the Timer has been set well after the SLEEP state keeps about 1 hour the pre setting T will reduce 1 8 F and it will reduce 1 8 F again after 2 hours so it reduce 3 6 F in 2 hours then it will run on at the setting temperature and wind speed c The setting temperature keeps the same under the FAN mode and AUTO mode 6 Indoor Fan Control The Indoor Fan can be set as HIGH MED LOW by remote control and the Indoor Fan will be respectively run at high medium low speed It will also be set as AUTO and the Indoor Fan is as the followings at the automatic wind speed Cooling mode T ring T setting 3 6 high speed T setting 3 6 lt T ring lt T setting 3 6 medium speed Tring lt T setting 3 6 low speed Sending wind mode T ring gt Tsetting 7 2 high speed T setting 3 6 lt T ring lt setting 7 2 medium speed T ring lt T setting 3 6 low speed Moisture removal mode force to be set as the low speed Heating mode T ring lt T setting 1 8 high speed T setting 1 8 lt T ring lt T setting 9 medium speed setting 3 6 low speed 7 Buzzer Control The buzzer will send Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesn t receive the remote control ON signal under the mode of heating mode 8 Auto button If the controller is on it will stop by pressing the butt
52. on and if the controller is off it will be automatic running state by pressing the button swing on and light on and the main unit will run based on the remote control if there is remote control order 9 Up and Down Swinging Control When power on the up and down motor will firstly move the air deflector to o counter clockwise close the air outlet After starting the machine if you don t set the swinging function heating mode and auto heating mode the up and down air deflector will move to D clockwise under other modes the up and down air deflector will move to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same The air deflector will be closed at 0 Location and the swinging is effectual only on condition that setting the swinging order and the inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location 21 Function and Control Heating angle Cooling angle O 0 O 0 L1 W A1 L B1 C1 B D1 C D 10 Display DOperation pattern and mode pattern display All the display patterns will display for a time when the power on the operation indication pattern will display in red under standby status When the
53. on the clock can be set up signal blink and display Within 5 seconds the value can be adjusted by pressing or button if continuously press this button for 2 seconds above in every 0 5 seconds the value on ten place of Minute will be increased 1 During blinking repress the Clock button signal C will be constantly displayed and it denotes the setting succ eeded After powered on 12 00 is defaulted to display and signal will be displayed If there is signal 2 be displayed that denotes the current time value is Clock value otherwise is Timer value TIMER ON Timer On setting Signal ON will blink and display signal will conceal the numerical section will become the timer on setting status During 5 seconds blink by pressing or button to adjust the time value of numerical section every press of that butt on the value will be increased or decreased 1 minute Hold pressing or button 2 seconds later it quickly change the way of change is During the initial 2 5 seconds ten numbers change in the one place of minute thenthe one place is constant ten numbers change in the tens place of minute at 2 5 seconds speed and carry During 5s blink press the Timer button the timer setting succeeds The Timer On has been set up repress the timer On button the Timer On will be canceled Before setting the Timer please adjust the Clock to the current actual time I Press this button to set up swing angle which circularly
54. ong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed This function is not applicable for some models SLEEP Press this button Sleep On and Sleep Off can be selected After Sleep function set up the unit will automatically select the suitable operation mode to maintain the most comfortable temperature for you This function is available in COOL HEAT or DRY mode LIGHT Press this button to select LIGHT on or off in the displayer When the LIGHT on is set the icon will be displayed and the indicator light in the displayer will be on When the LIGHT off is set the icon be displayed and the indicator light in thedisplayer will be off and button about lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked gg is displayed In this case pressing any button gg blinks three times MODE and buttons About switch between fahrenheit and celsius At unit OFF press MODE and buttons simultaneously to switch between F and C 6 2 Changing batteries and notices 1 Slightly to press the place with along the arrowhead direction to push the back cover of wireless remote control As show in figure 2 Take out the old batteries As show in figure 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity As show in figure 4 Attach the back cover of wireles
55. or unit is normal D es 58 Note Below information only for reference 10 Removal Procedure 10 1 Removal Procedure of Indoor Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work Step Procedure 1 Disassemble Front Panel Push the convex parts in 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 2 Disassemble Filter and Press Plate 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 plate 3 Disassemble Guide Louver Push out the axile bush in the middle of guide louver Then slightly bend the guide louver to remove it Clasps Press Plate Guide Louver 4 Disassemble Front Case Unscrew the 7 tapping screws fixing the front case and turn the front case backwards to re move it 59 Removal Procedure 5 Disassemble Water Tray Unscrew the ground screw on the electric box cover and loose the clasps to remove electric box cover Pulll out the wiring terminal Unscrew the 2 screws fixing the water tray to remove the water tray Ground Screw Electric Box Cover 6 Disas
56. proper Replace the compressor sure and the low pressure in Malfunction of P side the compressor refrigerant flow Malfunction of four way valve Replace the four way valve Local block of capillary Replace the capillary Judge whether the system is blocked by observing the condensation of Blockage of cooling system evaporator and the pressure value of the high pressure manometer and take measuresto deal with the system Heat insulation for the connection pipes of the indoor unit and the out door unit is bad Make sure that heat insulation for the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex Clean the dust accumulated on the changer surface of the heat exchanger Clean the filter To set the fan speed to high or Fan speed was set too slow middie speed Air circulation is insufficient __ Capacitor Replace the capaci Fan rotation speed becomes damage tor OW Motor damage Replace the motor The installation position of the outdoor unit is not Good ventilation must be provided for the appropriate installation position of the outdoor unit install the rainproof plate or sunproof The outdoor temperature is too high a plate If the maximum cool air still can not meet the requirement it is suggested to replace the air conditioner Air filter were blocked
57. s remote control As show in figure Notes e When replacing the batteries do not use old or different types of batteries otheerwise it may cause malfunction e remote controller will not be used for a long time please remove batteries to prevent batteries from leaking e The operation should be performed in its receiving range e lt should be kept 1m away from the TV set or stereo sound sets Sketch map for replacing batteries e If remote controller does not operate normally please take the batteries out and replace them after 30 seconds If still not operating properly replace the batteries 17 Function and Control 6 3 Description of Each Control Operation 1 Temperature Parameters Indoor preset temperature Tpreset Indoor ambient temperature amb 2 Basic Functions Once energized in no case should the compressor be restarted within less than 3 minutes In the situation that memory function is available for the first energization if the compressor is at stop before de energization the compressor will be started without a 3 minute lag if the compressor is in operation before de energization the compressor will be started with a 3 minute lag and once started the compressor will not be stopped within 6 minutes regardless of changes in room temperature 1 Cooling Mode Q Working conditions and process of cooling When Tamb Tpreset the unit will enter cooling operation in whi
58. semble Electric Box 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 7 Disassemble Evaporator Unscrew the screws fixing the clamp plate of rear of Rear Pipe pipe at the back of evaporator to remove the plate Clamp Plate Screw Unscrew the 2 screws in the right of evaporator Unscrew 2 screws in left of evaporator Turn the evaporator at certain angle to remove it 8 Disassemble Motor and Cross Flow Fan Unscrew the screws fixing the press plate of motor and connecting motor and cross flow fan to remove the motor and cross flow fan 61 Removal Procedure 10 2 Removal Procedure of Outdoor Unit Warning sure to wait 10 minutes or more after turning off all power supplies before disassembling work 1 Disassemble Big Handleand Top cover Unscrew the screw fixing the big handle and then remove it downwards to take it out Top cover handle Unscrew the screws of top cover then lift it upwards toremove the top cover Screw 2 Disassemble Front Panel Unscrew the screws of front panel with screwdriver to remove the front panel front panel 3 Disassemble Grill and Right Side Plate Unscrew the screws of grill to remove the grill grill Unscrew the screws of right side plate condenser sideplate and valve support lift it upwards to
59. sionvahe Electron expansion vave Condenser Form AuminumFin copperTube Auminum Fin copper Tube 29 2 5 X 1 3 4 X20 29 2 5 X 1 3 4 X20 Outdoor Unit A DefosingMehod AutmaticDefosing LL j e 5 pe o Pressure for the Discharge Side Permissible Excessive Operating Pressure for the Suction Side NetWeight ee Gross Weight 9 RR Connect on Pipe MaxDisanelengh tT The above data is subject to change without notice Please refer to the nameplate of the unit Compressor Manufacturer Trademark Specifications Supply Cooling Capacity Heating Capacity Mn Max Cooling Power Input Min Max 960 160 1180 Heating Power Current Model ofindoorunt Fave Cw _ EvaporatorFomm Amn meper OOOO Swing Motor Model BR Le LE GessW gu Je s _ Specifications Model of Outdoor Unit GWH12AB D3DNA1B O Compressor ManufacturerrTredemas CHINA RESOURCES SHENYANG SANYO COMPRESSOR CO LTD SANYO Compressor Model Compressor lS Compressor Types Roy Overioad Protector ring Method 1 m o sss EKC ADE Outdoor Unit Fan Type ato Meiod Per
60. stand the full weight and vibration of the unit 5 Be sure to leave enough space to allow access for routine maintenance The installation site should be 250cm or more above the floor 6 Select a place about 1m or more away from TV set or any other electric appliance 7 Select a place where the filter can be easily taken out 8 Make sure that the indoor unit is installed in accordance with installation dimension instructions 9 Do not use the unit in the laundry or by swimming pool etc 7 1 4 Installation Site of Outdoor Unit 1 Select a site where noise and outflow air emitted by unit will not annoy neighbors 2 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruction blocking the inlet and outlet 4 The site should be able to withstand the full weight and vibration 5 Select a dry place but do not expose the unit to direct sunlight or strong wind 6 Make sure that the outdoor unit is installed in accordance with the installation instructions and is convenient for maintenance and repair 7 height difference between indoor and outdoor units is within 10m and the length of the connecting tubing does not exceed 15 O9k or20 12K m 8 Select a place where it is out of reach of children 9 Select a place which will not block pedestrian passage and influence the city appearance 23 Installation Manual 7 1 5 Safety Precautions for Electric Appliances 1 A dedicated power supply circui
61. sure the resistance between the two terminals of compressor COMP and copper tube Resistance higher than 500 Y Replace the control panel AP1 51 Troubleshooting 3 High temperature and overload protection diagnosis hereinafter refers to the control board of the outdoor unit Mainly detect 5 outdoor ambient temperature in normal range Are the outdoor and indoor fans operating normally 5 the heat dissipation environment inside and outside the unit is good Fault diagnosis process Overheat and high temperature protection Normal protection please operate Y it after the outdoor ambient temp erature is normalized Is outdoor ambient temperature higher than 53 N v 20 minutes after the complete unit is powered off Improve the heat dissipation unt Is heat dissipation of the indoor unit and outdoor unit abnormal x ment of the unit 1 Check if the fan terminal OFAN is connected correctly N 2 Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Ohm v Replace the fan capacitor C1 Does the outdoor fan work normally Replace the control panel AP1 Replace the outdoor fan End 52 Troubleshooting 4 Start up failure following AP1 for outdoor unit control board Mainly detect Whether the compressor
62. t should be used in accordance with local electrical safety regulations 2 Don t drag the power cord emphatically 3 The unit should be reliably earthed and connected to the special earth device by the professionals 4 The air switch must have the functions of magnetic tripping and heat tripping to prevent short circuit and overload 5 The minimum distance between the unit and combustive surface is 1 5m 6 The appliance shall be installed in accordance with national wiring regulations 7 all pole disconnection switch with a contact separation of at least 3mm in all poles should be connected in fixed wiring Note Make sure the live wire neutral wire and earth wire in the family power socket are properlly connected There should be reliable circuit in the diagram Inadequate or incorrect electrical connections may cause electric shock or fire 7 1 6 Earthing Requirements 1 Air conditioner is type electric appliance Please ensure the the unit is reliably earthed 2 The yellow green wire in air conditioner is the earthing wire which can not be used for other purposes Improper earthing may cause electric shock 3 The earth resistance should accord to the national criterion 4 The user s power must have reliable earthing terminal Please don t connect the earthing wire with the following Water pipe Gas pipe 3 Contamination pipe 4 Other place that professional personnel consider is unreliable 5 The model and rating valu
63. time the system will remember the timed function of the last remote control command the timed time will recounted form power on If the last remote control command has set timed function the time is out and the system is start or stop according to the set time when the power supply is interrupted the system will remember the operation status before the power supply was interrupted and do not carry out timed action The timed clock will not remembered 22 Installation Manual 7 Installation Manual 7 1 Notices for Installation 7 1 1 Caution 1 The unit must only be installed by authorized service center according to local or government regulations and in compliance with this manual 2 Before installating please contact with local authorized maintenance center If the unit is not installed by the authorized service center the malfunction may not be solved due to discommodious contacts 3 When removing the unit to the other place please firstly contact with the local authorized service center 4 Warning Before obtaining access to terminals all supply circuits must be disconnected 5 For appliances with type Y attachment the instructions shall contain the substance of the following lf the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 6 The appliance must be positioned so that the plug is accessible 7 temperature of refrigerant circ
64. tion Outdoor pipe temperature sensor malfunction Outdoor ambient temperature sensor malfunction Outdoor exhaust temperature sensor malfunction The indoor temp reach to operate compressor nomal Compressor frequence limit by IPM protection Compressor frequence limit by over power protection Indoor ambient temperature sensor malfunction Indoor tube temperature sensor malfunction Stop for communication malfunction Communication normal Jumper cap malfunction protection Heating anti high temperature drop frequency blink 1 times blink 2 times blink 3 times blink 4 times blink 5 time blink 6 time blink 7 time blink 8 tim blink 9 e blink 10 times blink 11 times blink 12 times blink 13 times blink 14 times blink 16 times blink 17 times Remark The lamps blink 0 55 0 5s off between two error cycle it will be 2s off interval Display of indoor unit State of the lamps on the outdoor unit PCB State of the lamps on the indoor unit PCB ERRORCODE VELLOW RED GREEN RUNNING COOLING HEATING blink 1 times blink 2 times blink 3 times blink 4 times blink 5 times blink 6 times blink 7 times blink 8 times blink 1 1 times blink 13 times blink 1 times blink 2 times blink 5 times blink 5 times blink 4 times blink 3 times blink 5 times blink 21 times blink 11 times blink 11 times blink 8 times blink 9 times blink 4 times blink 3 times blink 5 times blink 1 times blink 2 times blink
65. tor L of the outdoor unit and th PFC capacitor Replace it as per ve wiring diagram and reconnect the wires Whether there is an damage or short circuit If the fault is eliminated Y Remove the PFC capacitor and measure resistance N between the two terminals The capacitor is short circuited and Restart the unit the capacitor should be repla ced If the fault is eliminated Is the resistance around zero N Disconnect the terminals for the reactor and measure the resistanc between the two terminals of the reactor by an ohm gauge Whether there is any damage Y Replace the reactor Restart the unit or short circuit If the fault is eliminated y Replace the control N panel AP1 56 Troubleshooting 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not if is there any damage Fault diagnosis process Did the equipment operate normally before the failure Y Check wiring of the indoor outdoor
66. tric leak ground fault breaker Do not wash the unit with water Be very careful about unit transportation The unit should not be carried by only one person if it is more than 45 Do not touch the heat exchanger fins wi th bare hands Do not touch the compressor or refrigerant piping whithout wearing glove Do not operate the air conditioner without air filter Should any emergency occur stop the unit and disconnect the power immediately Specifications 2 Specifications v Supply Cooling Capacity Vin Wax Heating Capacity Min Max 9500 3412 12500 11700 3200 14000 Cooling Power input Min Cooling Power Current pa oi Air Flow Volume le 88 Modelofindoorunit GWHOSAB GDNAIB GWHT2AB AGDNATEN _ Fave EvaporatorForm AumimumFincopperTube AuminumFin copperTube Swing Motor Wedel 2 Grosset 6 3 3 Specifications Model of Outdoor Unit GWHO9AB A3DNA1B O GWH12AB A3DNA1B O CHINA CHINA RESOURCES SHENYANG RESOURCES SHENYANG SANYO COMPRESSOR CO SANYO COMPRESSOR CO LTD SANYO LTD SANYO Compressore compressor les F compressor Romy _ LRA A Sd Compressa e 4 CompressorPowerinput W 80 Overload Protector hars mi Throting Eeeronopan
67. uit will be high please keep the interconnection cable away from the copper tube 8 The instructions shall state the substance of the following This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance 7 1 2 Installation Site Instructions Proper installation site is vital for correct and efficient operation of the unit Avoid the following sites where strong heat sources vapours flammable gas or volatile liquids are emitted high frequency electro magnetic waves are generated by radio equipment welders and medical equipment salt laden air prevails such as close to coastal areas the air is contaminated with industrial vapours and oils the air contains sulphures gas such as in hot spring zones corrosion or poor air quality exists 7 1 3 Installation Site of Indoor Unit 1 The air inlet and outlet should be away from the obstructions Ensure the air can be blown through the whole room 2 Select a site where the condensing water can be easily drained out and where it is easily connected for outdoor unit 3 Select a place where it is out of reach of children 4 Select the place where the wall is strong enough to with
68. units with reference to the wiring diagram 7 N Check wiring inside of the indoor and outdoor lt Y s the connection right units N Correctly connect the he AP1 voltage corresponding wires for detection circuit Y Are wires broken the indoor and outdoor is at fault units with reference to the wiring diagram Check communication circuit of the outdoor unit the fault is eliminated If the fault is eliminate The communicatio circuit is abnorm Y Replace the main board of the outdoor unit f the fault is eliminated Y N Replace the main board of the indoor unit Y Y C End b 57 Troubleshooting 9 Flow chart for outdoor communitcation circuit detecting gt Measure voltage the Test 10 position as shown in the diagram with a voltmeter Value jumping Y Y Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping N gt v d Fault with End Measure voltage at the Test 11 position as shown in the diagram with a voltmeter outdoor unit ln t Value jumping N Measure voltage at the Test 12 position as shown in the diagram with a voltmeter Value jumping Y v The communication circuit of the outdo
69. will stop with a time lag of 30s 2 Dehumidifying Mode Q Working conditions and process of dehumidifying If gt the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If Tpreset 28 4 F lt Tamb lt Tpreset the compressor remains at its original operation state If Tamb lt Tpreset 28 4 F the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed 18 Function and Control Protection Protection is the same as that under the cooling mode 3 Heating Mode Q Working conditions and process of heating If Tamb Tpreset 35 6 F the unit enters heating mode in which case the four way valve the compressor and the outdoor fan will operate simultaneously and the indoor fan will run at preset speed in the condition of preset cold air prevention If T amb Tpreset 41 F the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will stop after 60 second blow at low speed If Tpreset 35 6 F lt T amb lt Tpreset 41 F the unit will maintain its original operating status gt Under this mode the four way valve is energized and temperature be set within a range of 61 86 F The operating symbol the heating symbol and preset temperature are revealed on the display Condition and process of defrost Whe

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