Home

Service Manual

Contents

1. L 8 EK VEGN TE miu 8 78 8 4 BU BN PERS 2 intr 142 CN2 4V 22 API AC L2 BN i XT on AC L3 D AP2 COM OUT B ps R 2 L1 BN i N1 U AC N AC N2 BU 3 gt ACL U 41 BN OFAN UVW Y cad MIDISOLATION SHEET ELECTRICBOX YE RD LEE FI 1 SATV PE o PEG M L2 Eat BU YE RD Motor ground ony U V YEGN applies to the YEGN Nt w iron shell motor 1 PES COMP These circuit diagrams are subject to change without notice please refer to the one supplied with the unit Schematic Diagram 5 3 Printed Circuit Board 1 Indoor Unit e TOP VIEW Port of neutral wire Solid state relay A Live wire of health function Port of indoor fan Auto button Feedback of indoor fan Buzzer Port of indoor ambient temp sensor Ed is Port of indoor pipe 4 temp sensor ni og Power of m M E 214 tt switch AE A m of display High frequency transformer Communi
2. Ose 4 D 52 S623 o Slo MEE 591 2889 G 55599 rmx O f a 4 4 7 c nr MEE EC J gt o 1 liL LE ELLE e 4 4 G gt ELI MD 1 e gt rio Ll SSS EcL N E 4 1 5 E 1 1 1 1 1 1 1 1 1 a o co Ta E 8 B ones pedeo N 10 Outdoor temp C 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Specifications 2 4 Noise Criteria Curve Tables for Both Models Indoor side noise when blowing Outdoor side noise when Compressor speed changed 55 P E 09K i B 50 12K o o o 2 2 OD 45 Supper High High Middle Low 20 30 40 50 60 70 75 Indoor fan motor rotating speed Compressor Speed rps 2 5 Operation Data Cooling Temperature Standard condition Heat exchanger pipe temp Indoor fan Outdoor fan Compressor P MPa C 12 C mode mode rpm
3. 9 10 12 pou 06 EA 2282 aos 22 o2 24 25 26 27 9 30 EEN 3 bra EEJ 31015 51219 1 lt o 210 2 5 189 219 51810 gt 0 I c g The data above are subject to change without notice 37 Exploded Views and Parts List GWHO9MB K3DNA3K O 11124244 4 N MIX y 955575347 y rise ee 38 Exploded Views and Parts List NO 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 21 Part Code Description GWHO09MB K3DNA3K O Product Code 171 07600 The data above subject to change without notice 39 Exploded Views and Parts List GWH12MB K3DNA3K O 40 Exploded Views and Parts List NO 1 2 5 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Part Code Description GWH12MB K3DNA3K O Product Code 171 07700 The data above are subject to change without notice 41 9 Troubleshooting 9 1 Malfunction Analysis Note When replacing the controller make sure insert the wir
4. 2 GWHO09MB KS3DNC9K I GWH12MB K3DNC9K I GWHO09MB KS3DNE1K I 12 Outdoor Unit GWH09MB K3DNA3K O GWH12MB K3DNA3K O Remote Controller YB1FA Summary and Features Safety Precautions 1 Safety Precautions Installing starting up and servicing air conditioner can be hazardous due to system pressure electrical components and equipment location etc Only trained qualified installers and service personnel are allowed to install start up and service this equipment Untrained personnel can perform basic maintenance functions such as cleaning coils other operations should be performed by trained service personnel When handling the equipment observe precautions in the manual and on 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 Read the instructions thoroughly and follow all warnings or cautions in literature and attached to the unit Consult local building
5. outdoor unit connection 27 Installation Manual NOTE wires between indoor and outdoor units must be connected by the qualified electric contractor e Electric wires must be connected correctly Improper connection may cause malfunction e Tighten the terminal screws securely e After tightening the screws pull the wire slightly to confirm whether its firm or not e Make sure that the electric connections are earthed properly to prevent electric shock e Make sure that all wiring connections are secure and the cover plates are reinstalled properly Poor installation may cause fire or electric shock Gas side pipe oieee wa 0 7 3 5 Installation of Indoor Unit d Mo piping eThe 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 Gos side ppt 2 from the chassis when necessary As shown in Fig 3 Gees raain 2 Prid 1 Cut off tailing 1 when routing the wiring only Fig 3 With ipe P TE Water drainage pipe 2 Cut off tailing 1 and tailing 2 when routing both the wiring and piping 2 Take out the piping from body case wrap the piping power cords drain hose with the tape and then make them pass through the piping hole As shown in Fig 4 3 Hang the mounting slots of the indoor unit on the upper hooks of the mounting plate and Right e Left rear check if it
6. 18 0 983 0 956 0 93 0 904 0 88 0 856 0 833 0 811 0 77 0 769 0 746 0 729 0 71 e A 113 114 115 116 Es Ex 2 844 2 752 2 663 117 2 577 118 2495 119 2415 120 2 339 121 2265 122 2194 123 2 125 124 0 692 2 059 125 0 674 1 996 1934 127 064 1875 128 0623 1818 129 0607 91 1736 130 0502 92 171 131 057 93 168 132 0563 1609 133 0549 1561 134 0 535 1515 135 0 521 147 136 0509 41 84 39 87 38 01 36 24 34 57 32 98 31 47 30 04 28 68 27 39 19 2617 67 70 71 72 73 74 75 76 77 78 79 81 82 83 84 85 87 88 4 2 s tS lis E E E 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 57 8 7 5 3 1 1 2 3 4 5 7 10 11 12 13 14 15 16 94 17 95 18 19 7 5 9 64 Troubleshooting Appendix 3 Resistance Table of Outdoor Discharge Temperature Sensor 50K Temp CC Resistance kQ Resistance kQ Resistanoe kQ CC Resistance k0 29 853 5 IB 28 799 8 9342 89 4609 750 89 07 90 4469 703 8 84 95 660 8 81 05 620 8 77 35 73 83 26 25 24 23 2
7. Temp CC Resistance kO Temp CC Resistance kO Temp 1 1 1 1 1 1 1 1 mdi y 9 1 2 3 4 5 7 iii IE 0 1 ii 2 3 4 5 6 7 8 i 9 44 31 E 1 2 3 4 5 in 7 88 91 92 93 94 95 E 97 7 5 4 2 1 2 3 4 5 7 0 11 2 3 4 5 6 7 8 9 19 63 63 Troubleshooting Temp Resistance kt Temp Resistancetm Temp CC Resistance ka CC Resistance 9 1814 20 250 59 513 98 1427 18 1714 21 239 60 4948 98 1386 17 1621 22 2285 61 4773 100 1346 16 1533 23 2185 62 4605 101 1307 15 5 24 209 63 4443 102 1269 4 1372 5 2 6 4289 103 1233 13 1299 26 1914 65 44 104 1498 123 27 1813 6 398 105 1464 116 5 3 861 16 1431 110 3 3 720 107 109 104 6 3 600 108 1 069 99 13 3481 109 1 039 3 364 110 1 01 2 3 252 111 3 144 112 89 17 84 61 80 31 3 7624 72 41 68 79 65 37 62 13 59 08 56 19 53 46 50 87 48 42 46 11 4 21 12821 4 XT 8 43 92 297 21 10 143 5271 16
8. 8 Remove capillary sub assy A Unsolder weld point of capillarv Sub assv Capillarv Sub assv valve and outlet pipe of condensator Then remove the capillarv Sub assv Do not block the capillarv when unsoldering it Note be fore unsoldering discharge refrigerants completelv ALAS Removal Procedure Ses 00002 9 Remove motor and motor support Motor support Remove the 4 tapping screws fixing the motor Pull out the lead out wire and remove the motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 10 Remove clapboard sub assy Clapboard Sub Assy SEU Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove Removal Procedure Sens 11 Remove Compressor Remove the 2 screws fixing the gas valve Unsolder the welding spot connecting gas valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld Liquid valve ing spot connecting liquid valve and remove the liquid valve Gas valve Remove the 3 footing screws of the compressor and remove the compressor Compressor 73 JF0
9. rps 12 to 15 65 to 38 SENSIT 14 euo ees O Heating Temperature Standard condition Heat exchanger pipe temp Indoor fan Outdoor fan Compressor P MPa TICO 12 C mode mode rpm rps 35 to 63 29732 351065 nmm P air pipe pressure gas valve side pressure connect to indoor and oudoor unit T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5m Construction Views 3 Construction Views 3 1 Indoor Unit 845 143 80 3 2 Outdoor Unit 2 1 7 714 3 DS 0 510 180 N NI b 1 e LJ UJ Unit mm Refrigerant System Diagram 4 Refrigerant System Diagram OUTDOOR UNIT INDOOR UNIT GAS SIDE d E DOK gt 3WAY VALVE HEAT 4
10. EXCHANGER EVAPORATOR Accumlator Compressor HEAT EXCHANGER EVAPORATOR Y LIQUID SIDE lt gt lt DR CO gt lt CD 5 2ANAY VALVE Strainer Electron expansion valve Strainer Sy lt lt COOLING HEATING Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52 mm 10 Schematic Diagram 5 Schematic Diagram 5 1 Electrical Data Meaning of marks Symbol Color Symbol Symbol RD RED 4YV TERMINAL BLOCK BU BLACK 5 2 Electrical Wiring Parts Name PROTECTIVE EARTH COMPRESSOR OVERLOAD 4 WAY VALVE elndoor Unit ROOM TUBE DISPLAY L1 POWER TEM SENSOR TEM SENSOR B 1 L CN2 L1 e e 5 AURA BU m N RT RT 1 XT 5 Zz a BU N ROOM TUBE DISP 1 DISP 2 COM OUT W2BK 21 WN BN B L OUT 5 JUMP K4 EVAPORATOR PE PGE PG SWING UD 57 HEALTH HEALTH N l M RD BU M zn COOL PLASMA As GENERATOR YEGN FANMOTOR SWING MOTOR U D 1 11 Schematic Diagram eOutdoor Unit
11. 3 3 3 3 3 3 3 3 3 4 4 4 4 4 Temp CC 29 6 _25_ 23 E e 487 1 HEIL eae 15 xu 3 EMI fe 210 97 EJ 1203 011 0 N 65 Removal Procedure 10 Removal Procedure 10 1 Removal Procedure of Indoor Unit Warning Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly Steps Procedure 1 Remove panel Open the front panel Push the rotor shaft on both sides of the panel to make it separate from the groove Remove the panel Panel 2 Remove filter Loosen the clasp of the filter Push the filter inward and then draw it upward to remove it 3 Remove horizontal louver and front case Remove axial sleeve of horizontal louver Bend the louver outwards and then remove the louver Loosen the screws of the electric box cover2 with screwdriver Remove the electric box cover2 Open the screw cap on the front case Remove the screws fixing the front case Loosen the six clasps of the front case Remove the front case D Horizontal Louver 66 Removal Procedure Steps Procedure 4 Remove electric box assy Remove the screws of the electric box assy Remove the screws at the joint of the earthing wire and evaporator Loosen the clasp at the joint of the electric box cover and the electric box Remove the 2 screws of the display Remove the
12. 4 Reinstall the battery cover plate Notes eWhen replacing the batteries do not use old or different types of batteries Otherwise it may cause malfunction elf the remote controller will not be used for a long time please remove batteries to prevent batteries from leaking eThe operation should be performed in its receiving range elt should be kept 1m away from the TV set or stereo sound sets Sketch map for elf the remote controller does not operate normally please take the replacing batteries batteries out and reinsert them after 30 seconds If it still can t operate properly replace the batteries 17 Function and Control 6 2 Description of Each Control Operation 18 1 Temperature Parameters Indoor preset temperature T preset Indoor ambient temperature T 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 COOL mode The condition and process of cooling If Tamb 2Tpreset COOL mode will act the compressor and outdoor fan wi
13. GREE Change for Life b Service Manual MODEL GWHO9MB K3DNA2K GWH12MB K3DNA2K GWHO9MB K3DNA3K GWH12MB K3DNA3K GWHO9MB K3DNC9K GWH12MB K3DNC9K GWHO9MB K3DNE1K GWH12MB K3DNE1K Refrigerant R410A GREE ELECTRIC APPLIANCES INC OF ZHUHAI Table of Contents Table of Contents Summary and Eeatuf amp s 1 1 Safety uo E p tees 2 2 Specifications c r cr T 3 2 1 Unit SDC CIC UO US tiv dao aed cette d RR a aba eg 3 2 2 Operation Characteristic 2222222 5 2 5 1 nhan edad aka Paro OU skin VO Rak S FAR X PET a Eas au 7 2 3 Capacity Variation Ratio According to 7 2 4 Noise Criteria Curve Tables for Both 8 ZESdO USE Data E T 8 3 Construction Views 222 4 0 2 220000 9 CIN seat 9 3 2 Quidoor Urt EO E IRR ME RE Rc DE IE UM Oe pr S 9 4 Refrigerant System Diagram MM ie MU e e RE 10 5 Schematic ces 11 5 1 Electrical isse t 11 5 2 Electrical WIRING e tee cise a 11 5 3 Printed Circult Board fa 13 6 Function and Control 15 6 1 Remote Control Operations nennen nnne nnns 15 6 2 De
14. OFF 0 5S and blink A C status Possible Causes Defrosting will occur in heating mode Compressor will OFF 1S p Its the normal state and blink operate twice while indoor fan will stop operation 52 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 eUse AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC 240VAC els the reactor L correctly connected Is the connection loose or fallen Is the reactor L damaged Fault diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage testing circuit on Replace the control control panel AP1 panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC power on and restart the unit If the fault is supply to restore the eliminated g 210VAC 250VAC Y Y Shut down the power and wait 20 minutes or use DC voltmeter to measure the voltage on the two ends of capacitor until the N voltage is lower than 20V Check the connection of reactor L in the Electrical Wiring Diagram Connect the reactor Laccording to Elec Re energiz
15. T tube measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat exchanger under heating mode 1 Cooling overload MT tubess2 C the unit will return to its original operation state b tube255 C frequency rise is not allowed MT tube258 C the compressor will run at reduced frequency d gt 622 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a IT tubesSO C the unit will return to its original operation state b tube253 C frequency rise is not allowed c tube256 C the compressor will run at reduced frequency MT tubez6O C the compressor will stop and the indoor fan will blow residue heat and then stop 2 Exhaust temperature protection of compressor If exhaust temperature 298 C frequency is not allowed to rise If exhaust temperature 2103 C the compressor will run at reduced frequency If exhaust temperature gt 110 the compressor will stop If exhaust temperature lt 90 C and the compressor has stayed 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 4 Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compresso
16. 08173422 1 0 1 0 7 Specifications Model of Outdoor Unit GWHO9MB K3DNA3K O GWH12MB K3DNA3K O Manufacturer Trad k ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR ompressor Manufacturer Trademar CO LTD LTD Compressor Model QXA A091zE190A QXA A091zE190A Compressor FVC 68EP FVC 68EP 4 INTHL 6238 Operation temp C 16 30 16 30 Ambient temp Cooling 7 43 7 43 Outdoor Fan Motor RLA A 0 15 0 15 soan 4 Permissible Excessive Operating Pressure Permissible Excessive Operating Pressure Dimension of Package LXWXH mm 851X363X595 851X363X595 OuterDiameterliquidPipe mm 66 Max Distance Height 0 m 10 10 m 15 15 The above data is subject to change without notice Please refer to the nameplate of the unit Max Distance Length Specifications 2 ee GWHO9MB K3DNE1K GWH12MB K3DNE1K emen CB143001300 CB143001400 v wm o 4 20060 30 3800600 300 2800 00 3600 870 185 1300 1170 185 1400 Heating Power Input Min Max 90020 40 1200250 1550 Cooling Power Current 02050038 pA 032 9 EM Uh Product Code Rated Voltage Rated Frequency Phases Power Supply Mode Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max Rated Input Rated Current Air Flow Volume SH H M L S
17. 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 3 Wrap the insulating tube with wide rubber belt to prevent the shift of insulating tube Slant the drain hose downward slightly for smooth drainage of condensate Note The insulating tube should be connected reliably with the sleeve outside the outlet pipe The drain hose should be slanted downward slightly without distortion bulge or fluctuation Do not put the outlet in the water 7 3 4 Connecting Indoor and Outdoor Electric Wires 1 Open the front panel 2 Remove the wiring cover and wire clamp Make the power connection cord pass through the hole at the back of indoor unit 3 Connect and fix the power connection cord to the terminal board As shown in Fig 2 4 Fix the power connection cord with wire clamp and reinstall wiring cover 5 Reinstall the front panel Wallpipe 5 U 7 pad 55 4 211 7777 IL p T gt outlet pipe of 7 outlet pipe of GAR rain Heh um indoor unit rubber belt outlet pipe of indoor unit drain hose rubber belt insulating tube rubber belt outlet pipe of indoor unit insulating tube connected distortion gt lt Flooded Wiring Cover 4 213 blue black brown yellowgreen
18. compressor will stop ur Refer to the malfunction analysis while indoor fan will operate 1 l overload high temperature During heating operation the 1 23 resistant complete unit will stop operation During cooling and drying operation compressor will stop analysis IPM protection loss while indoor fan will operate of synchronism protection and During heating operation the NM overcurrent protection of phase complete unit will stop current for compressor operation Refer to the malfunction 1 Bad contact of DC motor feedback terminal Internal fan motor external fan 2 Bad contact of DC motor motor compressor and electric heater stop operation guide louver stops at present location control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit During cooling and drying Refer to the malfunction operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis Outdoor DC fan motor DC fan motor malfunction or malfunction lead to compressor system
19. of indoor and outdoor unit 2 If the indoor and Stop the unit and disconnect the power supply Then check the connection of capacitor according to Electrical Wiring Diagram between terminal L board XT is within 210VAC 250VAC Restart theunit Before protection occurs use DC voltmeter to measure the voltage 4 N Check the supply voltage and restore it to 210VAC 250VAC Reconnect the capacitor C2 according lectrical Wiring Diagram Then Restart the unit outdoor fans are working normally If the environment temperature is too high resulting in the system pressure is too high th permissible range 4 the charge volume of refrigerant is too much resulting in that the system pressure is too i 5 Other conditions resulting in that the system pressure becomes too high op the unit and 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 supply Wait If capacitor C2 is failed Refer to Electrical Wiring Diagram and check if the connection between and P is loose and if the connection order is correct If there is any abnormality described above then energize th
20. 1 minute Holding down either button rapidly changes the time setting by 1 minute and then 10 minutes Within 5 seconds after setting press TIMER ON button to confirm B TIMER OFF Press this button to initiate the auto off timer To cancel the auto timer program simply press the button again TIMER OFF setting is the same as TIMER ON E CLOCK Pressing CLOCK button blinks Within 5 seconds pressing or button adjusts the present time Holding down either button above 2 seconds increases or decreases the time by 1 minute every 0 5 second and then by 10 minutes every 0 5 second During blinking after setting press CLOCK button again to confirm the setting and then 2 will be constantly displayed X FAN Pressing X FAN button in COOL or DRY mode the icon lt gt is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode TEMP Press this button could select displaying the indoor setting temperature or indoor ambient temperature When the indoor unit firstly power on it will display the setting temperature if the temperature s displaying status is changed from other status to displays the ambient temperature 5s later or within 5s it receives other remote control signal that will return to display the setting tempera ture if the users haven t set up the
21. 28 Installation Manual 7 4 2 Air Purging and Leakage Test Manifold Valve 1 Connect charging hose of manifold valve to charge end of low pressure Multimeter valve both high low pressure valves must be tightly shut D mahomeier 2 Connect joint of charging hose to vacuum pump Hi handle 3 Fully open the handle of Lo manifold valve BEE 4 Open the vacuum pump for vacuumization At the beginning slightly loosen joint nut of low pressure valve to check if there 2 Charging hose is air coming inside If noise of vacuum pump has been changed the reading of multimeter is 0 Then tighten the nut 5 Keep vacuuming for more than 15mins and make sure the reading of multi meter is 1 0X10 pa 76cmHg 6 Fully open high low pressure valves Fig 6 7 Remove charging hose from charging end of low pressure valve 8 Tighten lid of low pressure valve As shown in Fig 6 7 4 3 Outdoor Condensate Drainage only for heat pump unit During heating operation the condensate and defrosting water should be drained out reliably through the drain hose Install the outdoor drain connector in a 25 hole on the base plate and attach the drain hose to the connector so that the waste water formed in the outdoor unit can be R drained out The hole diameter 25 must be plugged Drain connecter Whether to plug other holes will be determined by the dealers
22. 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 The height difference between indoor and outdoor units is within 10 m and the length of the connecting tubing does not exceed 15 m 8 Select a place where it is out of reach of children 9 Select a place where the unit does not have negative impact on pedestrians or on the city 24 Installation Manual 7 1 4 Safety Precautions for Electric Appliances 1 A dedicated power supply circuit should be used in accordance with local electrical safety regulations 2 Don t drag the power cord with excessive force 3 The unit should be reliably earthed and connected to an exclusive 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 eMake sure t
23. and Primary Judgement Flashing LED of Indoor Outdoor Unit and Primary Judgement Display Method of Outdoor Unit Indicator has 3 kinds of display status and during NO Malfunction Name High pressure protection of Display Method of Indoor Unit Indicator Display during Dual 8 blinking 0 55 and OFF Operation Cool Heating Indicator Indicator Indicator blinking ON 0 5s and OFF 0 5s Yellow Red Indicator Indicator status Green Indicator During cooling and drying operation except indoor fan operates all loads stop operation During heating operation the complete unit stops During cooling and drying operation compressor and Possible Causes Possible reasons 1 Refrigerant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating environment Ambient temperature is too high 1 Poor air return in indoor unit 2 d 2 Fan speed is abnormal outdoor fan stop while indoor 3 Evaporator is dirty fan operates 1 In defect of refrigerant In defect of The Dual 8 Code Display will 2 1 evaporator temperature 3 show and the complete unit sensor works abnormally Blink stops 3 The unit has been plugged u 9 times pe plugg p somewhere During cooling and drving operation compressor and Please refer to the malfunction 4 outdoor fan stop while indoor analysis discharge protection protection
24. and drying voltage is higher than 265VAC turn operation compressor will stop 0n the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic complete unit will stop capacitor C on control panel AP1 operation if its normal theres malfunction for the circuit please replace the control panel AP1 Voltage for while indoor fan will operate DC bus bar During heating operation the is too high capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 during during blinking blinking ON ON 0 25s 0 25s 0 25s 0 25s during during blinking blinking during during blinking blinking ON ON 0 25s 0 25s Showing during max cooling or max heating test 0 25s 0 25s 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply During cooling and drying voltage is increased to the normal operation compressor will stop range while indoor fan will operate During heating operation the 2 If the AC input is normal complete unit will stop measure the voltage of electrolytic Voltage of DC bus bar is too low Showing during min cooling or min heating test Showing during nominal cooling or nominal heating test Troubleshooting Possible Causes Displ
25. blocked or the connector stop operation loosed compressor stop operation and Outdoor fan motor will stop 30s latter 3 minutes latter fan motor and compressor will restart To protect the electronical components when detect high power and blink Indoor unit and outdoor unit doesn t match compressor and Outdoor fan motor can t work Failure start up During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to the malfunction analysis Troubleshooting Malfunction Malfunction of voltage dropping for DC bus bar Malfunction of complete units current detection Display Method of Indoor Unit Display Method of Outdoor Unit Indicator Display during Dual g jblinking ON 0 56 and OFF 5s Operation Cool Heating Indicator Indicator Indicator OFF 3S and blink 13 times Display OFF 3S and blink and blink 13 times Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Red Green Indicator Indicator Indicator status Possible Causes During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the Replace outdoor control panel AP1 complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operati
26. electric box assy iu Electric Box Assv 5 Remove evaporator 1 Remove the screws of the press plate of connecting pipe Remove press plate of connecting pipe Evaporator 2 Remove the 3 screws at the joint of the evaporator and rear case Adjust slightiv the pipe on the evaporator Remove the evaporator Auxiliarv Piping Removal Procedure CIEN Motor Press Plate W Cross Flow Blade 2 i Remove screws of step motor and then Remove the screw of the motor press plate and then remove the press plate Remove the screws at the joint of the cross flow blade and the motor Take down the motor remove the motor Remove the cross flow blade 6 Remove motor and axial flow blade 68 Removal Procedure 10 2 Removal Procedure of Outdoor Unit Naming Procedure Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembly 1 Remove big handle Before disassamble Remove 1 connection screw fixing big handleand then removethe big handle 2 Remove top cover Remove 3 connection screws among top cover plate front panel and right sideplate Then remove top cover plate top cover big handle 69 Removal Procedure Se Process 00000
27. of fan operates During heating joverload compressor operation all loads stop During cooling and drying 1 Supply voltage is unstable operation compressor and Overcurrent HR 2 Supply voltage is too low and 5 outdoor fan stop while indoor protection load is too high fan operates During heating PT 3 Evaporator is dirty operation all loads stop During cooling operation Communi compressor stops while Refer to the corresponding 6 indoor fan motor operates malfunction analysis Malfunction During heating operation the ysis complete unit stops During cooling operation High compressor will stop while Refer to the malfunction analysis temperature 2 l 7 indoor fan will operate overload high temperature resistant 1 During heating operation the resistant protection complete unit stops During cooling and drying EEPROM operation wil stop Replace outdoor control panel AP1 8 while indoor fan will operate malfunction During heating operation the complete unit will stop Discharging after the complete unit Limit is de energized for 20mins check decrease OFF 3 OFF 3S All loads operate normally whether the thermal grease on frequency IPM Module of outdoor control 9 2 blinkjand blink while m due to high panel AP1 is sufficient and whether 6 times 6 times operation frequency for ES 1 temperature the radiator is insert
28. please refer to the atual product The quantity of healthy filters is based on the actual delivery 30 Exploded Views and Parts List 8 Exploded Views and Parts List 8 1 Indoor Unit GWHO9MB K3DNA2K I GWH12MB K3DNA2K I GWHO9MB K3DNA3K I GWH12MB K3DNA3K I 31 32 Exploded Views and Parts List Part Code NO Product Code ront Panel Display Board Sub Assy Electric Box Cover2 crew Cover ront Case Sub Assy Axile Bush Guide Louver Air Louver 1 10 11 12 13 14 15 16 17 18 19 20 21 2 23 24 25 26 27 8 3 30 Electric Box Assv 20402397 20402396 31 33 Shield cover of Electric Box sub assy 01592073 01592073 34 3 36 Jumper 4202300102 4202300104 37 390000451 39 Temperature Sensor 390000591 390000591 40 Remote Controller 1 305100413 300043 1 The data above are subject to change without notice lt N N 8 9 10 ot 12 13 NECI 15 16 BENI 1218 20 2 23 24 25 _ 2 27 ES Exploded Views and Parts List Description Code GWHO9MB K3DNA2K I GWH12MB K3DNAZK I 6 Front Case Sub Assy 7 2001239 2001279 Guide Louver 7 10512157 10512457 9 JAirLouert 10146 1051256 7 ie x 29 Crank 10582070 10582070 30 Electric Box Assy 20402761 20402761 Electric Box 2011208201 201120
29. temperature displaying status that will display the setting temperature TURBO Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed SLEEP Press this button to go into the SLEEP operation mode Press it again to cancel this function This function is available in COOL HEAT Only for models with heating function or DRY mode to maintain the most comfortable temperature for you LIGHT Press LIGHT button to turn on the display s light and press this button again to turn off the display s light If the light is turned 9 is displayed If the light is tunrned off 1 disappears Combination of and buttons About lock Press and buttons simultaneously to lock or unlock the keypad If the remote controller is locked is displayed In this case pressing any button gg blinks three times Combination of MODE and buttons About switch between Fahrenheit and Centigrade At unit OFF press MODE and buttons simultaneously to switch between and Replacement of Batteries 1 Remove the battery cover plate from the rear of the remote controller As shown in the figure 2 Take out the old batteries 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity
30. temperature will decrease 1 C by every hour after sleep function is set the temperature will not change after decreasing 2 C 2 4 When the initial set temperature is 28 30 C the temperature will decrease 1 C by every hour after sleep function is set the temperature will not change after decreasing 3 C Relationship between set temperature and running time Initial Temp Running T O start 16 T 16 16 16 16 18 7 19 18 18 18 18 18 18 18 18 20 2 ABE 19731 01973 22 21 20 20 20 20 20 20 20 23 22 22 121 22 21 121 21 2 24 23 25 24 23 23 23 23 23 23 23 26 25 EE RE ME 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 21 22 Function and Control D Cooling mode in auto cooling mode or normal cooling mode the auto fan speed will run at below mode a When Tamb 2Tpreset 2 C the indoor fan will run at high speed b When Tpreset lt Tamb lt Tpreset 2 C the indoor fan will run at middle speed c Tamb sTpreset the indoor fan will run at low speed Switches between hi
31. you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 2 minutes under low air damper The swing will operate as the former status within 2 minutes cooling indicator is on for 0 5s and then off for 10s in drying 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 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 o
32. 0301765 GREE ELECTRIC APPLIANCES INC OF ZHUHAI Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com For continuous improvement in the products Gree reserves the right to modidy the product specification and appearance in this manual without notice and without incurring any obligations
33. 2 21 580 6 14 62 3 958 548 9 516 6 486 5 458 3 432 407 4 384 5 362 9 342 8 323 9 ii ii jed li i E 21 306 2 let REI ji i m E m ji 2 RI m 2 14 09 3 841 67 34 64 33 61 48 58 77 56 19 53 74 51 41 49 19 47 08 45 07 43 16 41 34 E 2 jal 21 E 21 E 39 61 21 Ikel 13 23 13 m 3 728 9 19 18 17 16 15 14 13 A2 14 10 2 2 2 2 B 10 54 10 18 E B E H Bm 103 104 2955 66 987 105 2872 67 9489 106 2792 4 4 318 165 1 12 1 07 2715 121 a E 289 6 274 259 3 245 6 232 6 220 5 209 198 3 199 1 178 5 169 5 11 12 13 14 15 16 17 0 1 2 3 26 27 28 29 0 1 3 4 5 6 7 8 9 0 1 2 3 4 5 37 96 36 38 34 88 33 45 32 09 30 79 29 54 28 36 27 23 26 15 25 11 24 13 23 19 22 29 119 1 4 21 43 7 134 46 20 6 148 47 1981 9 1028 48 19 06 Note The information above is for reference only N 7 991 7 726 8 268 7 224 6 998 6 761 145 4 138 3 131 5 125 1
34. 22 3 Remove grille and front panel Remove connection screws between the front grille and the front panel Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel 4 Remove axial flow blade Axial flow blade Remove the nut fixing the blade and then remove the axial flow blade ET MA 5 Remove right side plate Remove connection screws connecting the right i A ARN Right side plate side plate with the valve support and the electric box Then remove the right side plate Removal Procedure Sem Procedure 00000 2 6 Remove electric box assy Remove the 2 screws fixing the cover of elec tric box Lift to remove the cover Loosen the wire and disconnect the terminal Lift to re move the electric box assy IS 7 Remove 4 way valve assv Unscrew the fastening nut of the 4 way Valve Assy coil and remove the coil Wrap the 4 way Valve Assy with wet cotton and unsolder the 4 weld spots connecting the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor 27 241 223
35. 8201 32 Terminal Board 42011233 42011233 33 Shield cover of Electric Box sub assy 01592073 01592073 Electric Box Cover1 22242135 22242135 35 Capacitor CBB61 33010002 33010002 36 Jumper 4202300102 4202300104 37 Ambient Temperature Sensor 390000451 390000451 38 JMain Board 30148783 30148783 39 Temperature Sensor 390000591 390000591 Remote Controller 305100413 305100413 The data above are subject to change without notice 1 31 1 1 1 1 41 1 41 41 41 4 1 11 41 1 41 41 1 1 4 1 1 41 1 1 11 11 41 41 411 11 1 1 341 1 1 1 41 33 Exploded Views and Parts List GWHO9MB K3DNC9K Il GWH12MB K3DNC9K I Oo e 34 Exploded Views and Parts List Part Code GWH12MB K3DNC9K I Axile Bush 10542036 N L E 10 ono 2 pou 2 _ EEN 22 23 24 9 30 E 3 CMS 35 o 39 ARSE o 2 1 9 lt o 01812518 8 9 FjajQo gt 0 I c 2 The data above are subject to change without notice 35 Exploded Views and Parts List GWHO9MB K3DNE1K I GWH12MB K3DNE1K I 36 Exploded Views and Parts List Part Code GWH12MB K3DNE41K I Axile Bush 10542036 N
36. 898 0 873 0 848 0 825 0 802 0 779 0 758 0 737 0 717 0 697 0 678 0 642 i 59 IS 61 3579 62 63 EJ 64 65 60 608 69 Ej l 2 i 75 E IL 76 2 2 222122 bal 78 1997 117 0625 79 11 B 80 11 81 1 2 __82__ 12 88 Bur oum 085 860 i O 87 iii HE m 5887 90 iu On in G 93 B HE WW 52 95 RC NN 15 92 22 87 35 82 75 1 1207 07 78 43 74 35 4 705 8 _ Tuer 66 88 5 6 63 46 44 6023 23 5748 1 oO N IN 2 5431 ri 1 51 59 n in E 8 E m E ad 38 8642 39 8297 40 797 ui E E i E mi E E a E ES in 49 02 46 6 1 933 1 871 1 811 1 754 0 608 0 592 0 577 0 561 0 547 0 532 0 519 0 505 0 492 0 48 0 467 0 456 0 444 0 433 0 422 0 412 0 401 0 391 0 382 2 523 42 14 40 09 38 15 97 1103 36 32 34 58 32 94 5 6 6 6 6 6 6 7 7 7 7 7 7 7 7 0 7 NEE 1 21 8 a 8 5 8 6 8 Cz 8 EE 9 3138 8 10 299 11 2851 12 27 18 13 2592 14 2473 l 15 236 16 22 53 17 21 51 a
37. If no replace the parts The controller is damaged IC2003 is damaged the swing relay can not close etc Controller malfunction 1 2003 broken creepage of parallel capaci tor of relay loop relay is broken etc Change controller Wire loose or wrong connection Correctly wire according to the drawing Improper setting of temperature Adjust setting temp Water leakage Drainage pipe blocked or broken gt Change drainage pipe Wrap of refrigerant pipe joint is not close enough Re wrap and make it tight Fan of indoor unit contacts other 5 9 Adjust fan location Foreign object in indoor unit Take out the foreign object Compressor shakes too much Adjust support washer of compressor and tighten loosen screws Abnormal sound and shake Touch of pipeline of outdoor unit Separate the touching pipeline Touch of inner plates Louver of outdoor unit touched outer case 1 Tighten connect screw 2 Stick absorbing clay between plates Adjust location of louver Abnormal sound inside compressor t Change compressor 45 Troubleshooting 9 2 Flashing LED of Indoor Outdoor Unit
38. L 1400 1600 7 6 69 600 500 400 300 580 500 400 300 Dehumidifying Volume V H 3 L Modelotindoorunt GWHO9MB K3DNE1K I GWH12MB K3DNE1K I _ 2 h W W 6 8 Fan Motor Cooling Speed SH H M L SL r min 1260 1050 900 690 1290 1070 900 690 OutputofFanmotr 2 gt 1 0 inputofHester fv Coil Length LXDXW mm 636X25 4X267 636X25 4X267 Cid 9 1 9 2 3 i 8 __ 081774222 1 0 1 0 7 Specifications Model of Outdoor Unit GWHO9MB K3DNA3K O GWH12MB K3DNA3K O Manufacturer Trad k ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR ompressor Manufacturer Trademar CO LTD LTD Compressor Model QXA A091zE190A QXA A091zE190A Compressor FVC 68EP FVC 68EP 4 INTHL 6238 Operation temp C 16 30 16 30 Ambient temp Cooling 7 43 7 43 Outdoor Fan Motor RLA A 0 15 0 15 soan 4 Permissible Excessive Operating Pressure Permissible Excessive Operating Pressure Dimension of Package LXWXH mm 851X363X595 851X363X595 OuterDiameterliquidPipe mm 66 Max Distance Height 0 m 10 10 m 15 15 The above data is subject to change without notice Please refer to the nameplate of the unit Max Distance Length Heating 2 2 Operation Chara
39. according to actual conditions Hose available commercially inner dia 16mm Drain water hole Bottom frame 7 5 Check after Installation and Operation Test 7 5 1 Check after Installation Items to be checked Possible malfunction Has it been fixed firmly unit may drop shake or emit noise Have you done the refrigerant leakage It may cause insufficient cooling heating est capacity Is heat insulation sufficient It may cause condensation and dripping Is water drainage satisfactory It may cause condensation and dripping Is the voltage in accordance with the It may cause electric malfunctionor rated voltage marked on the nameplate damage the product Is the electric wiring and piping It may cause electric malfunction or the part connection installed correctly and securely Has the unit been connected to a secure It may cause electrical leakage earth connection Is the power cord specified It may cause electric malfunctionor the part Are the inlet and outlet openings It may cause insufficient cooling heating blocked capacity Is the length of connection pipes and 245 refrigerant capacity been recorded refrigerant capacity is not accurate 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 open
40. ature is too high Properly install the rainproof plate or the sunproof plate If the maximum cool air still can not meet the requirement it is sug gested to replace the air conditioner The air tightness is not enough People come in and out too frequently There are heating devices indoors Keep certain air tightness indoors try not to use electricalappliance with large quantity of heat 44 The fan does not run when it is set to supply air a In the cooling and heating mode the compressor runs but the out door fan does not run The indoor fan motor is burned or breaks or has the heat protector malfunction p The built in heat protector of the motor breaks frequently because the motor is abnormal L p _ Wrong connection The fan capacitor has open circuit or is damaged The outdoor fan motor is damaged Wrong connection The outdoor fan capacitor is damaged In the cooling and heating mode the outdoor fan runs but the compressor does not run Malfunction of compressor Breakage of running capacitor of compressor The voltage is too low or too The compres sor is too hot and leads to the action of the protector l ma high Wrong wire connection The protector i
41. ay Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during display status and during blinking ON 0 5s and OFF status 0 5s during during blinking blinking ON ON Showing during middle cooling or 0 25s 0 25s middle heating test and OFF jand OFF 0 25s 0 25s During cooling and drying 1 Refer to the malfunction operation compressor will stop T analysis IPM protection loss while indoor fan will operate of synchronism protection and During heating operation the ad overcurrent protection of phase complete unit will stop l current for compressor operation During cooling and drving OFF 38 operation compressor will stop and blink Refer to the part three charging while indoor fan will operate 17 times malfunction analysis of capacitor During heating operation the complete unit will stop During cooling and drying OFF 3S operation compressor will stop and blink while indoor fan will operate outdoor control panel 1 18 times During heating operation the complete unit will stop After the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel API is sufficient and whether the radiator is inserted tightly If its no use please replace control panel During cooling operation OFF 3S compressor will stop while and bli
42. been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 2 The head of temperature sensor hasnt been inserted into the copper tube Refer to the malfunction analysis overload high temperature resistant OFF 3S and blink 8 times OFF 1S and blink once All loads operate normally while operation frequency for compressor is decreased The input supply voltage is too low System pressure is too high and overload Troubleshooting Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during Malfunction blinking ON 0 55 and OFF Name Code 0 5s Displ SP Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator Indicator Indicator OFF 3S and blink 9 times OFF 3S OFF 3S and blink and blink 2times 2 times display status and during blinking ON 0 5s and OFF status Possible Causes Decrease Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV All loads operate normally frequency due to operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased Poor air return in indoor unit or fan speed is too low 1 Measure the voltage of position L and N on wiring board XT if the During cooling
43. c between the two terminals of the n reactor by an ohm gauge Y Replace the reactor gt Restart the unit d 1 Whether there is damage Me If the fault is eliminated or short circuit v Replace the control panel AP1 End 59 Troubleshooting 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect els there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged eDetect 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 N Start Did the equipment operate N normally before the failure Y Y Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of gt the indoor and outdoor 4 Y lt s the connection right units N N Y f Correctly connect the a AP1 voltage P corresponding wires for detection circuit wires broken the indoor and outdoor is at fault units with reference to L the wiring diagram N Ane rault is eliminate N Check the communication circuit of the outdoor unit pedi If the fault is eliminate ER The commun
44. cation port Main chip BOTTOM VIEW 13 14 2 Outdoor Unit Schematic Diagram e TOP VIEW compressor inductance inductance pin2 fan neilsbed four way valve electric heater 1 2 X 5 AQ chassis N N electric heater New 2 10 communication cable o of o O e 9 compressor temp sensor overload protection electric expansion valve e BOTTOM VIEW Function and Control 6 Function and Control 6 1 Remote Control Operations ON OFF Press it to start or stop operation MODE Press it to select operation mode AUTO COOL DRY FAN HEAT Press it to increase temperature setting Press it to decrease temperature setting FAN Press it to set fan speed 6 Press it to set swing angle TIMER ON Press it to set auto on timer B TIMER OFF Press it to set auto off timer E CLOCK Press it to set clock mn X FAN X FAN is the alternative expression of BLOW for the purpose of understanding TEMP TURBO SLEEP m LIGHT Press it to turn on off the light MODE icon If MODE button is pressed current operation mode icon AUTO ik COOL DRY XX HEAT is only for heat pump models will show SLEEP icon Cis displayed by pressing the SLEEP button Press this button again to clear the display TEMP icon Pressing TEMP button A set temperature 2 indoor ambient tempera
45. ce the compressor 56 Troubleshooting 5 Out of step diagnosis for the compressor AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els the system pressure too high els the input voltage too low Fault diagnosis process Out of step occurs once the unit is powered on Is stop time of the compressor longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction onnect the Y wires correctl Replace the control panel AP1 lay If the fault is eliminated Replace the compressor pr Out of step occurs in operation 25 di the outdoor fan yori normally s the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated N Y Replace the compressor working i Check if the fan terminal is connected correctly de Remove foreign m Y Replace the fan capacitor C1 Replace the outdoor fan 57 Troubleshooting 6 Overload and air exhaust malfunction diagnosis following AP1 for outdoor unit control board Mainly detect els the PMV connected well or not Is PMV damaged els refrigerant leaked Fault diagnosis process 20 minutes a
46. codes and current editions of national as well as local electrical codes Recognize the following safety information N Warning Incorrect handling could result in Incorrect handling may result in minor injury or damage to product personal injury or death Caution or property electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual eBefore 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 eNever supply power to the unit unless all wiring and tubing are completed reconnected and checked eThis system adopts highly dangerous electrical voltage Incorrect connection or inadequate grounding can cause personal injury or death Stick to the wiring diagram and all the instructions when wiring eHave the unit adequately grounded in accordance with local electrical codes eHave all wiring connected tightly Loose connection may lead to overheating and a possible fire hazard All installation or repair work shall be performed by your dealer or a specialized subcontractor as there is the risk of fire electric shock explosion or injury eMake sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside eMake sure the ceiling wall i
47. cteristic Curve Cooling Specifications N 1 1 1 1 1 1 i Q nS L B JEM REMA o eee 1 1 1 1 Or RES pun qm E 5 o 85 11 e QEZ 8852 e ES 4 4Ad mt 9 jo B gage c e 9 50607 LATE Bl 5 552 ocog G Q c o 09920 0 71575027 decenas IL gt lo L o lE TET ZONE 5 o 2112 ERE 1 L 5 3 154 lt 207202022 Qu A capi Set es ee deem tcm tm O 1 Bs N 3 1 1 1 1 ee elm T i 1 1 1 1 1 1 1 I N co wo t E S N 1 1 1 1 1 1 1 55 c Y 1 1 m Do SZ MEM NE 55 w m 4747 a 25 1 55 Rae 8 1 les lt JSE
48. ctor 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 O 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 heating angle 0 cooling angle O 0 L1 L A1 B1 B C1 C D1 D 10 Display D Operation 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 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 Double 8 display According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 16 C to 30 C and indoor ambient temperature The set temperature displayed in auto cooling and fan mode is 25 C and the set temperatur
49. d outside the unit 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 20 minutes after the complete unit is powered off Improve the heat Is heat dissipation of the indoor unit Y dissipation environ and outdoor unit abnormal 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 Does the outdoor fan work normally Y l Replace the fan capacitor C1 Replace the control panel AP1 Replace the outdoor fan End 4 55 Troubleshooting 4 Start up failure following AP1 for outdoor unit control board Mainly detect eWhether the compressor wiring is connected correct els compressor broken els time for compressor stopping enough Fault diagnosis process Power on the unit Is stop time of the compressor N Restart it up after longer than 3 minutes 3 minutes Connect the wires as N per the connection diagram Are the wires for the compressor connected correctly Is connection sequence right Y Y Replace the control panel AP1 If the fault is eliminated Repla
50. de the set temperature will not be displayed on the LCD and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable Press this button to increase set temperature Hold it down for above 2 seconds to rapidly increase set temperature In AUTO mode set temperature is not adjustable Press this button to decrease set temperature Hold it down for above 2 seconds to rapidly decrease set temperature In AUTO mode set temperature is not adjustable This button is used for setting fan speed in the sequence that goes from AUTO to then back to Auto gt AUTO if ri Low speed Medium speed adf High speed 3 Press this button to set up amp down swing angle which circularly changes as below N l i A OFF 42 14 4 s N This remote controller is universal If any command 3l 3 is sent out the unit will carry out the command as zlindicates the guide louver swings as t 2424 16 Function and Control TIMER ON Press this button to initiate the auto ON timer To cancel the auto timer program simply press this button again After pressing this button disappears and ON blinks 0 0 00 is displayed for ON time setting Within 5 seconds press button to adjust the time value Every press of either button changes the time setting by
51. e and trical Wiring Diagr turn on the unit am correctly If the wiring of reactor Lis normal If the fault is eliminated he control AP1 End 53 Troubleshooting 2 IPM Protection Out of step Fault Compressor Phase Overcurrent AP1 below refers to the outdoor control panel Main check points els the connection between control panel AP1 and compressor COMP secure Loose Is the connection in correct order els the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and on the wiring board XT els the compressor coil resistance normal Is the insulation of compressor coil against the copper tube in good condition els the working load of the machine too high Is the radiation good les the charge volume of refrigerant correct Fault diagnosis process Energize and switch on f the voltage Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT IPM protection and on wirin occurs after the machine has run for a period of time Voltage betweeri he two ends of celectrolvti capacitor is higher than between the two ends of electrolytic capacitar pn control Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are objects which affect the heat exchange
52. e displayed auto heating mode is 20 C Under heating mode nixie tube displays H1 or heating indicator is off 0 5s and blinks 10s in defrosting 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 H4 Overload protection F1 Indoor ambient sensor start and short circuit continuously measured failure in 30S Function and Control F2 Indoor evaporator sensor start and short circuit continuously measured failure in 30S 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 dont measure within 10 minutes after defrosted F5 Outdoor exhausting sensor start and short circuit continuously measured failure in 30S after the compressor operated 3 minutes 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 P0 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
53. e jumper into the new controller otherwise the unit will display C5 Troubleshooting Trip of breaker or blow of fuse The breaker trips at once when it is set to ON Measure insulation resistance to ground to see if there is any leakage L The breaker trips in few minutes when it is set to ON The circuit or the part of the air conditioner has malfunction They heat and break the insula tion and lead to short circuit or creepage Measure the insula tion resistance or eliminate the malfunction one by one If the breaker itself has malfunction then replace the breaker o c c G o The air condi 9 tioner does not 5 react after it is 93 powered after the plug is lt inserted the buzzer does not sound and the remote startup has no response No power Check power supply circuit Power plug is not well plugged in and poor connection Check if the plug is properly plugged in and make the loose contact firm Fuse of controller burnt out Change controller fuse The transformer connection is loose or has bad contact or the transformer has malfunction The remote controller does not receive signals after it lis powered the buzzer will sound unless it has malfunction Fasten the wiring measure the outp
54. e unit e control pane AP1 and compressor COMP correctly according to the Electrical Wiring 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 between the three terminals on compressor MP and compare the measurements with the compressor resistance on ervice Manual Ifthe 7 resistance is normal Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Y Replace the control panel AP1 Resistance higher than 500 disconnect the power 20 minutes or us DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V Take corrective actions according to Technical Service Manual and and start f the unit c work normally If the unit can work normallv If the unit can work normally If the unit can work normally 54 Troubleshooting 3 High temperature and overload protection diagnosis AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els outdoor ambient temperature in normal range eAre the outdoor and indoor fans operating normally els the heat dissipation environment inside an
55. ed 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 remote controller to start operation 2 Press MODE button to select the COOL HEAT Not available for cooling only unit FAN to check whether the operation is normal or not 29 Installation Manual 7 6 Installation and Maintenance of Healthy Filter 7 6 1 Installation of Healthy Filter 1 Lift up the front panel from its two ends as shown by the arrow direction and then remove the air filter As shown in fig a Fig a 2 Attach the healthy filter onto the air filter As shown in fig b Fig b Air filter Healthy filter 3 Install the air filter properly along the arrow direction in Fig c and then close the panel 7 6 2 Cleaning and Maintenance Remove the healthy filter and reinstall it after cleaning according to the installation instruction Don t use brush or hard things to clean the filter After cleaning be sure to dry it in the shade 7 6 3 Service Life The general serive life for the healthy filter is about one year under normal condition As for silver ion filter it is invalid when its surface becomes black green eThis supplementary instruction is provided for reference to the unit with healthy filter If the graphics provided herein is different from the actual product
56. ed tightly compressor is decreased of module If its no use please replace control panel AP1 1 No jumper cap insert on Malfunction OFF 3S Wireless remote receiver and 2 lumber 10 protection of C5 and blink button are effective but can 3 jumipere Pih e jumper cap 15 times not dispose the related 4 Abnormal detecting circuit of mainboard 46 Troubleshooting Display Method of Indoor Unit Display Method of Outdoor Unit Indicator Display during Dual g blinking ON 0 5s and OFF Malfunction Name OFF 3S and blink once OFF 3S and blink twice OFF 3S and blink 3 times OFF 3S and blink 4 times Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF OFF 1S and blink 6 times status When the outdoor unit receive signal of Gathering refrigerant the system will be forced to run under cooling mode for gathering refrigerant During cooling and drying operation indoor unit operates while other loads will stop during heating operation the complete unit will stop operation AC stops operation once reaches the setting temperature Cooling drying internal fan motor stops operation while other loads stop operation heating AC Stop operation During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop opera
57. frigerant 71 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 evapora tor and the pressure value of the high pressure manometer and take measures to deal with the system Blockage of cooling system pcm Heat insulation for the connection pipes of the indoor unit and the out m 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 Poor COOL HEAT operation Block of outdoor heat ex gt Clean the dust accumulated on the changer surface of the heat exchanger Air filter were blocked Clean the filter To set the fan speed to high or 23 Fan speed was set too slow middle speed Air circulation is insufficient Capacitor y Replace the rotation speed becomes damage capacitor low Motor damage Replace the motor The installation position of the Good ventilation must be provided for the outdoor unit is not appropriate installation position of the outdoor unit The outdoor temper
58. fter the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Y v Connect the 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 Replace the control panel AP1 If the fault is eliminated N Y Coolant leakage refilling the coolant 58 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 eCheck if the reactor L of the outdoor unit and the PFC capacitor are broken Fault diagnosis process Start Check wiring of the reactor L of the outdoor unit and the capacitor Replace it as per the Y gt wiring diagram and reconnect the wires Whether there is an damage or short circuit If the fault is eliminated 1 v Remove the PFC capacitor and measure resistance N between the two terminals Y The capacitor is DE circuited and Restart the unit If the fault is eliminated the capacitor should be repla ced Is the resistance around zero N Disconnect the terminals for the reactor and measure the resistan
59. gh speed and middle speed middle speed and low speed high speed and low speed running time of 3 5 minutes must be ensured Heating mode in auto heating mode or normal heating mode the auto fan speed will run at below mode a When Tamb sTpreset 1 C the indoor fan will run at high speed b When Tpreset 1 C lt Tamb lt Tpreset 3 C the indoor fan will run at middle speed c Tamb gt 3 the indoor fan will run at low speed Switches between high speed and middle speed middle speed and low speed high speed and low speed running time of 3 5 minutes must be ensured Fan mode is the same as cooling mode 7 Buzzer Control The buzzer will send a 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 doesnt 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 button 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 counter clockwise close the air outlet After starting the machine if you dont set the swinging function heating mode and auto heating mode the up and down air defle
60. he live wire neutral wire and earth wire in the family power socket are properly connected There should be reliable circuit in the diagram elnadequate or incorrect electrical connections may cause electric shock or fire 7 1 5 Earthing Requirements 1 Air conditioner is type electric appliance Please ensure that 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 power must have reliable earthing terminal Please do not connect the earthing wire with the following Water pipe Gas pipe Contamination pipe 4 Other place that professional personnel consider is unreliable 5 The model and rated values of fuses should accord with the silk print on fuse cover or related PCB 25 Installation Manual 7 2 Installation Drawing Rege i Space to the ceiling 15cm 0 L fT 2 Roe n Space to the wall Space to the wall 2 5 02 N X EN 250 Above om Air outlet side Space to the floor The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts 4 Space to the obstruct
61. icatio Replace the main board circuit is abnorm Y of the outdoor unit the fault is eliminate Replace the main board of the indoor unit Y Y Y 2 End Y N 60 Troubleshooting 9 Flow chart for outdoor communitcation circuit detecting 1 Test the voltage between N point of wiring board and communication cable with universal meter The voltage shall be variable Otherwise it might be malfunction of mainboard of indoor unit or malfunction of mainboard of outdoor unit or wrong wire connection of indoor and outdoor unit Please ensure that there is no malfunction of mainboard of indoor unit or wrong wire connection of indoor and outdoor unit After removing the malfunction of indoor unit remove the malfunction of outdoor unit 2 Test the voltage of pin 1 and pin 2 of U132 with universal meter voltage of both sides of R135 The voltage should be variable Test 10 Test the voltage of pin 3 and pin 4 of U132 with universal meter voltage of both sides of R1312 The voltage should be variable Test 15 Otherwise there is malfunction of mainboard of outdoor unit 3 Test the voltage of pin 3 and pin 4 of U131 with universal meter voltage of both sides of R134 The voltage should be variable test 11 Test the voltage of pin 1 and pin 2 of U132 with universal meter voltage of both sides of C134 The voltage should be variable test 12 Otherwise there is malfunction of mainboard of outd
62. ing without wearing glove eDo not have the unit operate without air filter eShould any emergency occur stop the unit and disconnect the power immediately eProperly insulate any tubing running inside the room to prevent the water from damaging the wall Specifications 2 Specifications 2 1 Unit Specifications 2 NN 2E COO GWHO9MB K3DNA3K GWH12MB K3DNA3K CB181005700 CB181005800 B 20060 30 3800600 300 2800 00 3600 870 185 1300 1170 185 1400 Heating Power Input Min Max 0220 1400 1200250 1550 Cooling Power Current 02050038 pA 032 9 EM Uh Product Code Rated Voltage Rated Frequency Phases Power Supply Mode Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max Rated Input Rated Current Air Flow Volume SH H M L SL 1400 1600 7 6 69 600 500 400 300 580 500 400 300 Dehumidifying Volume V H 3 L Modetotindoorunt GWHO9MB K3DNA3K I GWH12MB K3DNA3K I _ fo 2 h W W 6 8 Fan Motor Cooling Speed SH H M L SL r min 1260 1050 900 690 1290 1070 900 690 OutputofFanmotr 2 gt 1 0 inputofHester fv Coil Length LXDXW mm 636X25 4X267 636X25 4X267 9 1 9 2 3 i 8
63. ion cm Ab lt 5 Air inlet side Es swa VA 30cm Above gt 4 Space to the wall pe 8 2 wall d erm INS W i LAN 0927 1 N Air outlet side Schematic diagram being reference only outdoor unit is with variation please refer to real product for authentic information 26 Installation Manual 7 3 Install Indoor Unit 7 3 1 Installation of Mounting Plate 1 Mounting plate should be installed horizontally As the water trays outlet for the indoor unit is two way type during installation the indoor unit should slightly slant to water trays outlet for smooth drainage of condensate 2 Fix the mounting plate on the wall with screws 3 Be sure that the mounting plate has been fixed firmly enough to withstand about 60 kg Meanwhile the weight should be evenly shared by each screw Wall Wall Above 150 from the ceiling i Wall NS Above 5 cg pugni Above SS 150 from pm 150 from the wall ii 0 4 p n the wall 55 C 7 M a 55 gt B SS Left Fig Right Unit mm Indoor Outdoor 7 3 2 Drill Piping Hole 1 Slant the piping hole 555 on the wall slightly downward to the outdoor side 2 Insert the piping hole sleeve into the hole to prevent the connection piping and wiring from being damaged when passing through the hole
64. is firm enough As shown in Fig 5 Right rears Fig 4 4 The installation site should be 250cm or more above the floor jFixinghook T 77 mounting 21 nl plate em plate s Fig5 7 3 6 Installation of Connection Pipe 1 Align the center of the pipe flare with the related valve 2 Screw in the flare nut by hand and then tighten the nut with spanner and torque umm wrench by referring to the following NN l 2 94673 40 NOTE Connect the connection pipe to indoor unit at first and then to outdoor unit 55557724 i Torque Handle piping bending with care Do not damage the connection pipe Ensure that the joint nut is tightened firmly otherwise it may cause leakage wrench 7 4 Install Outdoor Unit 7 4 1 Electric Wiring 1 Remove the handle on the right side plate of outdoor unit 2 Take off wire clamp Connect and fix the power connection cord to the terminal board Wiring should fit that of indoor unit 3 Fix the power connection cord with wire clamp 4 Confirm if the wire has been fixed properly 5 Reinstall the handle NOTE elncorrect wiring may cause malfunction of spare part eAfter the wire has been fixed ensure there is free space between the connection and fixing places on the lead wire Schematic diagram being reference only please refer to real product for authentic information Handle Brown Yellow green power connection cord
65. lated heating time more than 90 minutes and one of the following conditions is reached the unit will enter the defrost mode after 3 minutes 1 T outdoor ambient gt gt 5 C T outdoor tubes 2 C 2 2 outdoor ambient lt 5 C T outdoor tubes 6 C 3 5 CST outdoor ambient lt 2 C T outdoor tubes 8 C 4 10 outdoor ambient lt 5 C T outdoor tube T compensatory s T outdoor ambient 3 C 5 T outdoor ambient lt 10 C T outdoor tube T compensatory s T outdoor ambient 3 C after energizing T compensatory 0 C during the first defrosting if it is not the first defrosting T compensatory is confirmed by T outdoor tube of quitting last defrosting a when T outdoor tube gt 2 C T compensatory 0 C b when T outdoor tube lt 2 C T compensatory 3 C 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 T outdoor ambient gt 10 C the compressor will be converted to 46Hz 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 wi
66. ll be displayed at temperature display area on the display panel Defrost frequency is 85Hz Protection Cold air prevention The unit is started under heating mode the compressor is ON In the case of T indoor amb lt 24 C if T tubes40 C 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 T tube gt 40 C 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 42 C the fan will run at present speed In the case of T indoor amb 224 C if T tubes42 C 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 tube gt 42 C the indoor fan will be converted to preset speed Note T indoor amb indicated and 2 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 Itotals6A frequency rise will be allowed if Itotal27A frequency rise will not be allowed if Itotal 8A the compressor will run at reduced frequenc
67. ll run and the indoor fan will run at the set speed If Tamb STpreset 2 C the compressor will stop the outdoor fan will delay 30 seconds to stop and the indoor fan will run at the set speed If Tpreset 2 C lt Tamb STpreset the unit will keep running in the previous mode In this mode the reversal valve will not be powered on and the temperature setting range is 16 C 30 C Tamb Start cooling Tpreset Original operating status Tpreset 2 C Stop cooling L 0 2 6 min 23 26 Compressor 2 Outdoor fan Indoor fan Setting fan sped BH Stop G Protection function Overcurrent protection If total current is high the compressor will run in limited frequency If total current is too high the compressor will stop the outdoor fan will delay 30 seconds to stop indoor unit will display E5 and outdoor yellow light will blink 5 times Antifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep running in the original mode When antifreezing protection is eliminated and the compressor has stopped for 3 minutes the compressor will resume running in the original mode During antifreeze protection Compressor 23min Outdoor fan Indoor fan we Preset speed 72 BUN Stop 2 Deh
68. n is set the temperature will not change after rising 3 C after running for 7 hours the temperature will decrease 1 C and it will not change after that 20 Function and Control 1 2 When the initial set temperature is 24 27 temperature will rise 1 C by every hour after sleep function is set the temperature will not change after rising 2 C after running for 7 hours the temperature will decrease 1 C and it will not change after that 1 3 When the initial set temperature is 28 29 C the temperature will rise 1 C by every hour after sleep function is set the temperature will not change after rising 1 C after running for 7 hours the temperature will decrease 1 C and it will not change after that 1 4 When the initial set temperature is 30 the unit will keep on running at this temperature after running for 7 hours the temperature will decrease 1 C and it will not change after that Relationship between set temperature and running time Initial Temp Running time T 1 2 3 4 5 6 7 23 24 25 26 26 26 26 25 25 24 25 2 In heating mode 2 1 When the initial set temperature is 16 C the unit will keep on running at this temperature 2 2 When the initial set temperature is 17 20 the temperature will decrease 1 by every hour after sleep function is set the temperature will not change after decreasing 1 C 2 3 When the initial set temperature is 21 27 C the
69. nk indoor fan will operate 19 times During heating operation the complete unit will stop OFF 3S All loads operate normally Refer to the malfunction analysis and blink while overload high temperature operation frequency for 10 times compressor is decreased resistant OFF 3S and blink twice During cooling and drying 1 Wiring terminal OVC COMP operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation is loosened In normal state the resistance for this terminal should be less than 1ohm 2 Refer to the malfunction analysis discharge protection overload Malfunction Name System is abnormal Module temperature is too high Internal motor fan motor do not operate Desynchro nizing of compressor Outdoor DC fan motor malfunction Indoor unit and outdoor unit doesn t match Display Method of Indoor Unit Troubleshooting Display Method of Outdoor Unit Indicator Display during Dual 8 blinking ON 0 5s and OFF Code 0 58 Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s status Possible Causes Display Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator and blink 11 times OFF 3S and blink 23 times OFF 3S and blink 20 times OFF 3S and blink 19 times During cooling and drying operation
70. nt regulations and in compliance with this manual 2 Before installing 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 incovenient contact between the user and the service personnel 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 If 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 The temperature of refrigerant line 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 1 Installation Site Instructions Proper installation site is vital for correct and efficient opera
71. on the Supply voltage is unstable complete unit will stop During cooling and drying operation the compressor will l Theres circuit malfunction on stop while indoor fan will outdoor units control panel AP1 operate During heating operating the complete unit will stop please replace the outdoor units control panel AP1 operation Frequency limiting Compressor running Frequency limiting module OFF 3S and blink 20 times OFF 3S and blink 18 times and blink 13 times and blink and blink 8 times and blink 11 times 1 Supply voltage is lower than AC175V 2 Wiring terminal 4V is loosened or If this malfunction occurs during heating operation the complete broken 3 4V is damaged please replace AV unit will stop operation During cooling operation compressor will stop while indoor fan will operate during Replace outdoor control panel AP1 heating the complete unit will stop operation Malfunction Name Normal communica tion Defrosting Display Method of Indoor Unit Troubleshooting Display Method of Outdoor Unit Dual 8 Code Display Indicator Display during blinking ON 0 5s and OFF 0 58 Operation Heating Indicator Indicator Indicator during blinking ON 10s and OFF 0 5s Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Red Green Indicator Indicator Indicator
72. oor unit 4 Test the voltage between pin 1 of R135 white and pin 1 of U4 The voltage should be variable Test voltage between pin1 of R131 white and pin 1 of U4 with universal meter The voltage should be variable Otherwise there is malfunction of mainboard of outdoor unit 61 Troubleshooting Start Measure voltage at the Test 10 position as shown in the diagram with a voltmeter Value jumping Y v Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Y Y Value jumping Y v Measure voltage at the Test 11 position as shown in the diagram with a voltmeter y Value jumping Y Measure voltage at the Test 12 position as shown in the diagram with a voltmeter Value jumping The communication circuit of the outdoor Fault with outdoor unit End unit is normal 62 Troubleshooting Appendix gt 2 2 x A o et 9 2 y E gt 3 E 5 Ly 3 9 et c o 5 9 2 o c c gt o Temp 19 1381 20 1875 18 1286 21 1793 547 1 216 1 22 7 202127 46 15 415 1087 102 9 598 99 1 039 1 009 0 952 0 925 0
73. r will resume its operation If module protection occurs six times in succession the compressor will not be started again 5 Overload protection If temperature sensed the overload sensor is over 115 C the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 C the overload protection will be relieved C DC bus voltage protection 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 3 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 or TEMP the setting temperature will be up or down by 1 C Regulating Range 16 30 C 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 1 In cooling mode 1 1 When the initial set temperature is 16 23 C the temperature will rise 1 C by every hour after sleep functio
74. s strong enough to bear the weight of the unit eMake sure the noise of the outdoor unit does not disturb neighbors eFollow all the installation instructions to minimize the risk of damage from earthquakes typhoons or strong winds eAvoid contact between refrigerant and fire as it generates poisonous gas eApply specified refrigerant only Never have it mixed with any other refrigerant Never have air remain in the refrigerant line as it may lead to rupture and other hazards eMake sure no refrigerant gas is leaking out when installation is completed eShould there be refrigerant leakage the density of refrigerant in the air shall in no way exceed its limited value or it may lead to explosion eKeep your fingers and clothing away from any moving parts eClear the site after installation Make sure no foreign objects are left in the unit eAlways ensure effective grounding for the unit N caution Never install the unit in a place where a combustible gas might leak or it may lead to fire or explosion eMake a proper provision against noise when the unit is installed at a telecommunication center or hospital eProvide an electric leak breaker when it is installed in a watery place eNever wash the unit with water eHandle unit transportation with care The unit should not be carried by only one person if it is more than 20kg eNever touch the heat exchanger fins with bare hands eNever touch the compressor or refrigerant pip
75. scription of Each Control Operation 28 9 0 18 T Installation Manual 24 7 1 Notices for Installation 24 2 IMS tallati n DraWing been 26 To InstallIndooP DIE gt lt ic 27 Ottdeor Unit Mc 28 7 5 Check after Installation and Operation Test 2 0 0000000000 29 7 6 Installation and Maintenance of Healthy Filter nnne 30 Table of Contents 8 Exploded Views and Parts List 31 8 1 Indoor 522 mn tto tetto t OM E 31 8 2 Outdoor ae ar px eei QE de ates ee iri Ra Uer eb Te ERE LUE 38 9 Troubleshooting MV RERO 42 9 1 Malfuriction ANALYSIS is skin cv a EY e CE Vui De phan arse aes 42 9 2 Flashing LED of Indoor Outdoor Unit and Primary 46 9 3 How to Check Simply the Main Part Y Ee pedo m Vae 53 10 Removal Procedure sem 66 10 1 Removal Procedure of Indoor 66 10 2 Removal Procedure of Outdoor Unit Summary and Features Indoor Unit 09 12 09 2 12
76. tion During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation Possible Causes Nominal cooling mode 1 Loosening or bad contact of indoor ambient temp sensor and mainboard terminal 2 Components in mainboard fell down leads short circuit 3 Indoor ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged 1 Loosening or bad contact of Indoor evaporator temp sensor and mainboard terminal 2 Components on the mainboard fall down leads short circuit 3 Indoor evaporator temp sensor damaged check temp sensor value chart for testing 4 Mainboard damaged Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor OFF 3S and blink 5 times OFF 3S and blink for 6 times OFF 1S and blink 3 times During cooling and drying operation compressor will sop after operating for about 3 mins while indoor fan will operate During heating operation the complete unit will stop after operating for about 3 mins All loads operate normally while operation frequency for compressor is decreased 1 Outdoor temperature sensor hasnt
77. tion of the unit Avoid the following sites where estrong heat sources vapours flammable gas or volatile liquids are emitted ehigh frequency electro magnetic waves are generated by radio equipment welders and medical equipment esalt laden air prevails such as close to coastal areas ethe air is contaminated with industrial vapours and oils ethe air contains sulphures gas such as in hot spring zones ecorrosion or poor air quality exists 7 1 2 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 condensate can be easily drained out and where it is easily connected to outdoor unit 3 Select a place where it is out of reach of children 4 Select a place where the wall is strong enough to withstand 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 3 Installation Site of Outdoor Unit 1 Select a site where noise and outflow air emitted by the unit will not annoy neighbors 2 5 elect
78. tself has malfunction L The refrigerant is not enough or is too much 3 The capillary is blocked and the tem perature rises The compressor does not run smoothly or is stuck The air discharge valve is damaged Troubleshooting Replace the fan motor or the defective part Replace the fan motor Make the correction connection based on the circuit drawing Replace the fan capacitor of the same type and same specification Replace the fan motor Make the correct connection based on the circuit drawing Replace the fan capacitor Replace the compressor Replace the capacitor Manostat is recommended Connect the circuit diagram correctly Use the multimeter to check whether the contact of the compressor is on when it is not overheated If it is not on then replace the protector Adjust the volume of the refrigerant Replace the capillary Replace the compressor The protector itself has malfunction t Replace the protector Troubleshooting The swing fan does not run The torque of the swing motor is not enough 4 In cool heat mode the outdoor unit and compres sor will not run Wrong connection First check whether the connection is wrong
79. ture outdoor ambient temperature and blank is displayed circularly Up amp down swing icon 3l is displayed when pressing the up amp down swing button Press this button again to clear the display 15 Function and Control LIGHT icon 0 is displayed by pressing the LIGHT button Press LIGHT button again to clear the display LOCK icon is displayed by pressing and buttons simultaneously Press them again to clear the display SET TIME display After pressing TIMER button ON or OFF will blink This area will show the set time TURBO icon amp is displayed when pressing the TURBO button Press this button again to clear the display 3 DIGITAL display This area will show the set temperature During defrosting operation H1 will be displayed X FAN icon dk is displayed when pressing the X FAN button Press this button again to clear the display FAN SPEED display Press FAN button to select the desired fan speed setting AUTO Low Med High Your selection will be displayed in the LCD windows except the AUTO fan speed ON OFF Press this button to turn on the unit Press this button again to turn off the unit MODE Each time you press this button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following d AUTO gt COOL gt DRY FAN gt HEAT Note Only for models with heating function After energization AUTO mode is defaulted In AUTO mo
80. umidifying Mode Working conditions and process of dehumidifying If T amp gt T preset 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 preset 2 XC Tamp T preset the compressor remains at its original operation state If T amb lt T preset 2 the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed 2 Protection Protection is the same as that under the cooling mode Function and Control 3 HEAT Mode Working conditions and process of heating If Tamb xTpreset 2 C 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 2Tpreset 5 C 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 2 C lt T amb lt Tpreset 5 C the unit will maintain its original operating status Under this mode the four way valve is energized and temperature can be set within a range of 16 30 C The operating symbol the heating symbol and preset temperature are revealed on the display Condition and process of defrost When duration of successive heating operation is more than 45 minutes or accumu
81. ut timed action The timed clock will not remembered 14 Electric heating band control of outdoor unit D Compressor electric heating band control a Start condition the compressor is in off status and the outdoor ambient temperatures 5 C b Stop condition the band is off when either of the below condition is met 1 The compressor is in on status 2 The compressor is in off status and the outdoor ambient temperature2 5 C When outdoor ambient temperature sensor is in malfunction status the electric heating band stops operation 2 Condenser electric heating band control 1 When Toutdoor ambients1 C the electric heating band starts working 2 When enter defrosting and defrosting is finished the chassis electric heating band starts working for 3min as the compressor starts After the compressor starts for 3min and Toutdoor ambient23 C the electric heating band stops operation 3 When Toutdoor ambient23 C the condenser electric heating band doesn t work 4 When 1 C lt Toutdoor ambient lt 3 C the condenser electric heating band keeps the previous status When outdoor ambient temperature sensor is in malfunction status the electric heating band stops operation the electric heating band can work again after 2min of last stop 23 Installation Manual T Installation Manual 7 1 Notices for Installation o Caution 1 The unit should be installed only by authorized service center according to local or governme
82. ut voltage of the trans former if it is incorrect change the transformer Controller is broken Check remote controller Remote controller is short of power I Change batteries Remote controller malfunction Receiver loose or poor connection Receiver is broken First press the manual switch button AUTO if there is no response check based on the above methods If it runs nor mally after pressing the button check again whether the instal lation position and the connec tion wire of the reception head is correct If it is correct then re place the receiver or the remote controller Power voltage is too low 42 Check the voltage If it is lower than 1096 of the rated voltage check the cause improve the power supply condition and add the sta bilized voltage power supply Troubleshooting Improper set of temperature Adjust set temperature If cooling heating load is Check the forecasted load of cooling heating proper The refrigerant has leakage or is MM then s m vacuumize it and supplement the re insufficient frigerant as required Leakage between the high pres sure and the low pressure in Replace the compressor Malfunction of P side the compressor re
83. y and if Itotal29A 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 Under the mode temperature can be set within a range of 16 30 C 5 AUTO Mode Working conditions and process of AUTO mode a When T ambient 226 C the unit will operate in Cool mode The set temperature is 25 C b When T ambient 22 C the heat pump unit will operate in Heat mode set temperature be 20 C the cooling only unit will operate in Fan mode set temperature be 25 c When 23 lt ambient lt 25 the unit will operate in the previous state If it is energized for the first time it will operate in Fan mode d Under auto mode if its cooling mode operation frequency is same as that under cooling mode if its heating mode operation frequency is same as that under heating mode 19 Function and Control 2 Protection a In cooling operation protection is the same 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 D Overload protection

Download Pdf Manuals

Related Search

Related Contents

    500 ml - Norauto  Mellerware 35540 User's Manual  

Copyright © All rights reserved. Failed to retrieve file