9k Service & Installation Manual
Contents
1. 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 fun ctions such as cleaning coils All 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 andwork 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 codes and current editions of national as well as local electrical codes Recognize the following safety information Incorrect handling could result in personal injury or death Incorrect handling may result in minor injury or damage to product or property N Warning All electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual e Before i2. 38 Exploded Views and Parts List Part Code Description GWHO9NA K3NNB1C O Product Code CA136W06900 Front Panel 10 28 Axial Flow Fan 10333427 The data above are subject to change without notice 39 40 Model GWH12NB K3NNB1C O Exploded Views and Parts List Exploded Views and Parts List Description No GWH12NB K3NNB1C O Code CA136W07000 1 frontGril 2 Front Panel 4 Connecter oeza 71 6 17 1 4300402 1 9 __ 20 JRearGril 22 Cover Sub Assy 01253031 1 The data above are subject to change without notice 41 Troubleshooting 9 Troubleshooting 9 1 Precautions before Performing Inspection or Repair Be cautious during installation and maintenance Do operation following the regulations to avoid electricshock and casualty oreven death due to drop from high attitude Static maintenance is the maintenance during de energization of the air conditioner For static maintenance make sure that the unit is de energized and the plug is disconnected dynamic maintenance is the maintenance during energization of the unit Before dynamic maintenance check the electricity and ensure that there is ground wire on the site Check if there is electricity on the housing and connection copper pipe of the air conditioner with voltage t
3. __6 7 8 9 10 12 3 44 15 16 17 18 4 __20 21 22 23 24 RECS 26 EA 28 29 32 33 35 _ 36 _ 38 39 NUM 42 ENTM 45 46 data above are subject to change without notice 33 Exploded Views and Parts List Model GWH12NB K3NNA9CII 7 4 ANENA 39 34 Exploded Views and Parts List ee Part Code Description GWH12NB K3NNAQC I roduct Code CA182N02900 gt gt gt gt rir wW lt lt o o NI MrLower2 AxleBush oA O Tube Sensor 380000651 0005 ec x r riu Ti gt 00 A c 2 D 5 5 Electric BoxAssy O 2020220001 m 9 00 gt n n lt n ar Step Motor j Motor Press Plate OE Capacitor CBB61 83010002 The data above are subject to change without notice 7 Main Terminal 20112082 Rubber PI 5 zu n o 29 D e IL F 8 9 13 14 15 16 19 20 Lu 29 24 25 26 27 28 29 30 32 w 35
4. 5 s 31 Exploded Views and Parts List Model GWH12NB K3NNB1C I Sa7 VENE 47 d 62 MERA 32 Exploded Views and Parts List Part Code Description GWH12NB K3NNB1C I roduct Code 136 07000 mimic T T U Axi 10512113 xi e 10512114 e I elicoid Tongue 26112162 Axle Bush 10542704 2220210101 2 10352018 76512210 Gasket sub assy of Bearing 76512051 O Gasket of Cross Fan Bearing 76512203 ing of Bearing 26152022 A emote Controller 30510065 2 Bush ouver Bush 30135283 Terminal Board 42010262 Electric Bo 20112082 43110236 Electric Box Assy 20202200 30565062 U 7 lt 00 o 10542008 Step Motor 1521210801 7 2 d oar x er Motor Press Plate _ 20 Shield Cover of ElectricBox 0141203601 20122103 A 0 5 X o o 29 D m e o o 8 8 5 ta UJ n o 7 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 41 42 43 44 45 0 p lt e 2 9 m 9 00 x m 9 00 x lt
5. E E 115 ne ose ms 0608 44 31 7 653 0 592 42 14 40 09 34 58 1 871 42 7 352 1 811 120 0 577 121 0 561 ii s a s 16 42 us _ E ia E m s 43 7 065 E _ El 44 ert 45 E ki _ ii 82 1 754 6 529 46 6 278 32 94 47 6 038 3138 48 5809 49 4665 ea 9 92 1 594 124 0 519 125 0 505 026 0492 42 oas 0 467 1 544 s sso s 140 27 18 51 5 197 2592 52 pu NET RN 1 363 94 1 207 95 1 171 129 0 456 0390 044 191 04 132 0422 133 0 412 134 0 401 1 136 9 136 032 Troubleshooting Appendix 2 Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 20K Resistance kO Resistance ka Temp C Resistance ka Resistance kO BECA IHNEN ee 8 1633 2185 6 46 130 24 209 12 120 fra les _ 3 199 26 1914 65 aw 14 118 123 2 18 13 3 998 1 164 ee oe 21 4 Po 29 168 68 3729
6. Dimension _mm LL Dimension of Carton Box WXP mm 8088 Dimension of Package LXWXH mm raeson OOO fe Gosen wa Coil Length LXDXW Specifications Compressor Powerinpat i620 Operation Temp T Ambient Temp Cooling 1 Ambient Temp Heating Aluminum Tube Pipe Diameter m _ m Coil Length LXDXW an Motor Speed Output of Fan Motor Outdoor Fan Motor RLA Unit Fan Motor Capacitor Rows fin Gap Fan Type FanDiameter _ i H m for the Discharge Side for the Suction Side mm m Pipe Outer Diameter Gas Pipe m m The above data is subject to change without notice Please refer to the nameplate of the unit A A C C m m A F Air Flow Volume of Outdoor Unit m h A A g g g m m m Specifications 2 2 Capacity Variation Ratio According to Temperature Cooling Heating 120 110 Se 100 S 90 80 E 80 70 Condition o 8 TE G Indoor DB27 C WB19 C E Condition 60 40 Indoor DB20 C 5 Indoor air flow 99 20 Super High 40 Pipe length 5m 32 33 34 35 36 37 38 39 40 41 42 43 44 45 15 13 11 9 7 5 3 Outdoor temp C Outdoor temp C 2 3 Operation Data Cooling Temperatu
7. e ues LI Nails LUN E EH 5 12 Schematic Diagram 12K e TOP VIEW HEMLIHN 1 Compressor control relay 2 Protective tube 3 Indoor fan controls terminal 4 Terminal of power neutral wire interface il 5 4 way valve control terminal and relav K115 6 Outdoor fan control terminal and relay K114 COMP cu 7 Auto button 8 Up amp down swing control terminal 9 Interface feedback from indoor fan FU101 10 Display control terminal Wo tt Ds catsts C H T3 1SAL 250V 250V 41 Interface of pipe temperature sensor 12 Interface of ambient temperature sensor 13 Input interface TR IN and output interface TR OUT of linear transformer GRJ518 A V1 8 KI cn 2010 07 31 e oou 12 11 e BOTTOM VIEW High voltage 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 DRV FAN HEAT Press it to decrease temperature setting FAN Press it to set fan speed e Press it to i
8. 28 798 n s 76 469 79 2 s 69 9 4409 36 798 52 1636 434 25 4 so s 1475 92 424 E 7 9 a se r Note The information above is for reference only 50 Removal Procedure 10 Removal Procedure 10 1 Removal Procedure of Indoor Unit N Warning Take model GWH12NB K3NNB1C as example Be sure to wait for a minimum of 10 minutes after turning off all power supplies before disassembiv 1 Before disassembly 2 Remove indicator 1 Open front panel 2 Remove screws fixingdisplay board and then remove indicator 51 52 Step Procedure Open front panel and slide rotating shaft of front panel along groove fixing front panel to remove the front panel Push filter inwards and then lift it to remove filter Remove horizontal louver Remove 1 screw fixing electric box cover 2 and then removeelectric box cover 2 Remove axle sleeve of horizontal louver and then bend the horizontal louver to draw it outwards to remove it horizontal louver axle sleeve Removal Procedure Removal Procedure Step Procedure 5 Remove front case 6 Loosen clasps between vertical louver and rear case Then remove vertical louver Remove screw caps on front case and then the screws on front case Loosen clasps of front case Then rem
9. GREE 105 Ltd Change for Life b Service Manual MODELS GWHO9NA K3NNB1C GWHO09NA K3NNA9C GWH12NB K3NNB1C GWH12NB K3NNA9C GWH12NB K3NNA3C Refrigerant R410A Table of Contents Table of Contents Summary and 1 1 Safety Precautions I L n n nn n annuns 2 2 Specifications 3 u uuu uu DIRMI apaspa 3 2 2 Capacity Variation Ratio According to Temperature nn 7 maaan usa ph ii air aaah quas 7 3 Construction Views nn 8 2 1 iore si qha kh aa aqa 8 uu T 8 4 Refrigerant System Diagram s 9 5 Schematic Diagram eee 10 10 a Pumed Circuit BOSE uu T u UMEN E MURUS NM MAS 12 6 Function and Control 14 6 1 Remote Control Operations sse 14 6 2 Description of Each Control 16 T Installation Manual 20 1 1 Medis EU UEM 20 7 Installenom 2 aa 22 n m Ime 23 TA Install Outdoor UNI pecs uu eee TT 25 7 5 Check after Installation and Operation 26 7 6 Ins
10. 36 7 38 39 40 O Q UJ 7 o o 00 x 7 10 11 12 13 14 15 16 1 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 35 Exploded Views and Parts List Model GWH12NB K3NNA3CII 36 Exploded Views and Parts List No 12 Qty Product Code CA171N12600 20012241 200121215 11122081 20122075 24252016 6 FrntCase _ 20012120 10542008 8 udetouer C 10512111 9 JAirLouverti 10512113 10512114 26112162 10542008 2220210101 10352018 15 Fan Bearing 76512210 76512051 76512203 18 Ring of Bearing 26152022 19 Drainage hose 0523001406 20 Mall Mounting Frame 01252015 0100255202 22 Evaporator Support 24212090 1 40020540 40020536 390000453 30135283 42010262 20112082 43110236 20202169 30565007 10582070 1521212901 76712012 26112160 15012115 26112164 4202300128 33010002 0159207301 0141203601 20122103 30510065 The data above are subject to change without notice Exploded Views and Parts List Model GWH09NA K3NNB1C O 8 2 Outdoor Unit TIO 9 0 KID 0 ACA OO A IE IDA JOQG SII IIIS OG OCC CI C IIIS IOS OO OG CC SIS IS III ISIS IIG SOI SI IOOG SI ION OI OING 79 2 COO Q YI AOSA QOOOOOO 9006
11. H m Fan Motor Speed w Output of Fan Motor A Outdoor Motor RLA Unit JFan Motor Capacitor h the Discharge Side Pressure for the Suction Side Dimension of Carton Box LXWXH mm oo i m DimensionofPackage LXWXH m g m m s s The above data is subject to change without notice Please refer to the nameplate of the unit p k k k Air Flow Volume of Outdoor Unit A A C m m F 3 Pa Pa A A g g g m m m m m Specifications GWH12NB K3NNB1C Model GWH12NB K3NNA9C GWH12NB K3NNA3C CA136007000 Product Code CA182002900 CA171012600 Rated Voltage V 220 240 Supp Rated Frequency p Supply Rated Frequency H 5 Power Supply Indoor 0 1 3223 3516 1004 2 Cooling Capacitv Heating Capacity Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current Rated Current Air Flow Volume SH H M L SL Dehumidifying Volume EER 2 wi wi wi GWH12NB K3NNB1C I Model of indoor unit GWH12NB K3NNA9C I GWH12NB K3NNAZC I Diameter Length DXL mm b85X596 Fan Motor Cooling Speed SH H M L SL r min 1350 1250 1100 950 Fan Motor Heating Speed SH H M L SL r min 1350 1250 1100 950 Fan Motor ir 4 RowinGap o mm Sound Pressure Level SHHMUSU Sound Power Level a
12. 8 1 Indoor Unit Model GWH09NA K3NNB1CI I 5 AN 27 Yr 522 lt Y WY A 20 My 4 5 ae lt gt 28 Exploded Views and Parts List T Part Code Description GWHO9NA K3NNB1C I roduct Code CA136N06900 ront Panel Assy 20012432 ilter Sub Assy 11122095 crew Cover 24252016 lectric Box Cover2 20122075 ront Case 20012396 10542008 7 10512162 10512113 10512114 10 26112202 11 10542704 12 22202135 13 10352034 14 76512210 15 76512051 16 76512203 17 26152022 18 30510065 19 0523001408 20 01252231 21 0100257702 22 01032915 23 40020540 24 40020536 25 400220113 26 200123958 27 20192319 28 390000591 29 390000453 30 30135353 3 42010262 3 20112091 3 20202233 30565062 5 10582070 36 1521210801 37 76712012 38 26112201 39 15012115 40 26112199 41 46010055 42 4202300114 43 33010002 4 01592080 45 20122114 mimjico mi T U 2 O O T O Z 2 E E 9 12 13 14 15 16 E 18 20 22 24 25 26 28 x 33 _ pi 35 36 37 38 40 42 _44 45 lt The data above are subject to change without notice 29 Exploded Views and Parts List
13. 59 AN ky 30 Exploded Views and Parts List Isu Part Code Description GWHO9NA K3NNAQC I roduct Code 182 02800 ront Panel Assy ilter Sub Assy crew Cover lectric Box Cover2 ront Case ile Bush uide Louver Air Louver 1 Air Louver 2 elicoid Tongue Axile Bush ear Case assy ross Flow Fan an Bearing Gasket sub assy of Bearing Gasket of Cross Fan Bearing ing of Bearing emote Controller rainage Hose all Mounting Frame vaporator Assy vaporator Sub Assy onnecting Cable onnecting Cable Power Cord ube Sensor Main Board erminal Board 32 Eectric Box 33 34 crank 35 Motor 36 Water Tray 37 38 Motor Pipe Clamp 40 Fuse Aa 42 Capacitor CBB61 43 JShieldBox Electric Box 44 Electric Box Cover The data above are subject to change without notice U A O 10 11 12 13 14 15 16 17 19 20 1 2 23 24 25 26 27 28 29 30 31 N 4 8 __9 0 Es 13 14 15 mi 19 20 kor 23 24 25 26 28 EN 30 x2 35 36 3 a2 43 lt m gt o IE 3 o D 5 5 5 8 DJ B lt 8 2 00 lt Q 9 e O gt 3 0 U D 5 o lt a
14. 776 257 j o t i p Unit mm 714 Refrigerant System Diagram 4 Refrigerant System Diagram Cooling amp Heating Models Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52mm Indoor unit Outdoor unit Wide tube 5 service o Wide tube valve Accumlator 2 FIA bk pe s E du gt 4 way valve 5 3 G i E o x S Narrow x tube 5 Valve o Capillary tube 5 Narrow tube gt 8 Ly Strainer Capillary tube ji i ig an Cooling cycle Heating cycle Schematic Diagram 5 Schematic Diagram 5 1 Electrical Wiring e Indoor Unit 1 Models GWHO9NA K3NNB1C I 09 PIPE ROOM DISPLAY POWER TEM SENSORTEM SENSOR BU WH mam VEGN GN B xn RT2 RT1 W1BU N CONN WIRE zm W2BK BRE A A MA 2 BK TUBE ROOM DISP1 DISP2 W4VT 4 r W50G B 55 ps AP2 w3 R YEGN EJ jp PRINTED CIRCUIT BOARD K1 SWING UD PGF P
15. Displayer displays running icons and the setting temperature 5 Auto Mode In this mode the air conditioner will automatically select its running mode cooling heating or fan with the change of ambient temperature The displayer will display the running icons actual running mode icon and setting temperature There is 30s delay protection for mode switching Protection functions are the same as those in any other mode 3 Other Control 1 Timer function The mainboard combines general timer and clock timer functions Timer functions are selected by equipping remote controller with different functions DGeneral Timer Timer ON can be set under off state of unit If timer ON reaches the controller will run under previous setting mode Timing interval is 0 5hr and the setting range is 0 5 24hr Timer OFF can be set under on state of unit If timer OFF reaches the unit is turned off Timing interval is 0 5hr within the range of 0 5 24hr Clock Timer If timer on is set under running state of unit the system will continue running If timer on is set under off state of unit the system will run in presetting mode when timer on reaches If timer off is set under off state of unit the system will keep standby state If timer off is set under on state of unit the system will stop running when timer off reaches Timer Change If the system is under timer state the unit can be turned on off by ON OFF button of remote controller Timing can
16. also be reset and then the system runs according to the final setting If timer on and timer off is set at the same time under runningstate of system the system will keep present running state till imer off reaches and then it will stop running If timer on and timer off are set at the same time under off state of system the system will keep stopping till timer on reaches and then it will start running In the future the system will run in presetting mode when timer on reaches and stop when timer off reaches every day If timer on and timer off have the same setting timer off is prevails 2 Auto Button If press this button the system will run in auto mode and the indoor fan motor will run at auto speed meanwhile the swing motor will be running Repress this button to turn off the unit 3 Buzzer When the controller is energized or receives anv command or signal from the buttons or the remote controller the buzzer will give out a beep 4 Sleep Function Choose the sleeping curve according to the preset temperature 5 Turbo Function This function can be set in cooling or heating mode 18 Function and Control 6 Dry Function This function can be set in cooling or dry mode 7 Automatic Control of Fan Speed In this mode the indoor fan will automatically select high medium or low speed with the change of ambient temperature 8 Up amp Down Swing After energization up amp down swing motor will rotate guide louv
17. children 9 Select a place where the unit does not have negative impact on pedestrians or on the city 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 An all pole disconnection switch with a contact separation of at least 3mm in all poles should be connected in fixed wiring Note e Make sure the live wire neutral wire and earth wire in the family power socket are properly connected There should be reliable circuit in the diagram e Inadequate 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 user power must offer the reliable earthing termina
18. flare nut by hand and then tighten the nut with spanner and torque A Fig 5 wrench referring to the following Hexnut diameter Tightening torque N m q _ 15 20 5 6 9 52 31 35 16 60 65 19 70 75 Spanner SA pus NOTE wrench Connect the connection pipe to indoor unit at first and then to outdoor unit Handle piping bending with care Do not damage the connection pipe Ensure that the joint nut is tightened firmly otherwise it may cause leakage 12 50 55 Indoor nut Piping 24 Installation Manual 7 4 Install Outdoor Unit Handle 7 4 1 Electric Wiring 1 Remove the handle on the right side plate of outdoor unit 2 Take off wire cord anchorage Connect and fix power connection cord and signal control wire to the terminal board Wiring should fit that of indoor unit i 3 Fix the power connection cord and signal control wire with wire clamps and then connect the corresponding connector D 2 4 5 E B eon blue back orange 4 Confirm if the wire has been fixed properly 5 Reinstall the handle NOTE e Incorrect wiring may cause malfunction of spare part e After 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 7 4 2 Ai
19. io eliminated lt terminal tightly mu Yes Is the 2 2 eliminated 2 S wa Cae neasure within 1 min after the louvers are opened whether the Output Replace the fan voltage on the control terminal motor of ti PG motor is over 50V n i i malfunction gt eliminated gt Mainboard malfunction Replace it y es 45 Troubleshooting 3 C5 Malfunction 46 Possible causes 1 There is no jumper cap on the controller 2 Jumper cap is not inserted properly and tightly 3 Jumper cap is damaged 4 Controller is damaged See the flow chart below C5 is displayed on the unit ls there jumper cap on tib No p nstall a matching controller Jumper cap 1 malfunction eliminated je Y _ 7 l E Des 1 Is the jumper cap inserted Ye Re insert the jumper incorrectly or improperly cap 218 the No lt malfunction eliminated v Replace the jumper cap s the malfunction Yes gt Yes eliminated lt No Y The mainboard is defined abnormal replace it Yes End lt Troubleshooting 4 U8 Malfunction U8 is displayed on the unit Re energize 1 minute a
20. received the nixie tube will display setting temp If displaying ambient temperature signal is received the nixie tube will display present indoor ambient temperature If other states are set by remote controller the display will keep previous If remote controller receives valid signal during displaying ambient temperature ambient temperature will be displayed after setting temperature is displayed for 5s F1 is displayed for ambient temperature sensor malfunction F2 for tube temp sensor malfunction of indoor unit and C5 for jumper cap has malfunction Some models The remote controller will display present setting temp when this display is set The controller will display ambient temp for 5s and then setting temp only when indoor ambient temp displaying state is switched from other displaying states by remote controller 10 Locked protection to PG motor When starting the fan if motor s rotational speed is slow for a period of time the unit will display Locked and stop running to avoid auto protection for motor If the unit is on currently error code H6 will be displayed by the dual 8 nixie tube If the unit is off currently this locked malfunction information won t be displayed 11 Power off memory Memory content includes mode up amp down swing light setting temp and setting fan speed Upon power failure the unit after power recovery will automatically start to run according to memory content The system last remote control command wi
21. 107 109 146 30 161 69 3603 108 1 069 99 13 31 15 43 70 3 481 109 1 039 a 2 uw ss o mr 2 a e 2 m oss saei a nss 73 0 956 80 31 35 13 04 3 04 113 0 93 use eet GS ma 2 z 29 ws os e ne 65 37 39 11 06 2 663 117 0 833 62 13 40 10 62 2 577 0 811 C s e w e 2e em seo e s oms oro _ 53 46 43 9 42 2 339 121 0 746 50 87 44 9 054 2 265 0 729 s WIE en 43 92 47 so 209 125 41 84 48 7 745 1 996 126 0 658 0 39 87 49 7 453 1 934 0 64 380 so 7153 4685 128 Ta ma pos sm Rer 180 32 98 53 6 403 1 71 0 577 ee ee 224122 16 300 55 592 o 1600 133 059 2868 56 5720 95 155 134 0535 27 39 57 5 519 96 1 515 0 521 2617 ss 532 9 136 059 49 Troubleshooting Appendix 3 Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 50K Temp Resistance kQ Temp Resistance kO Temp Resistance kO Resistance kO 8935 o 49 1834
22. 800 Rated Voltage 220 240 Air Flow Volume SH H M L SL m h 400 350 310 280 wi 9 mi SH H M L SL r min 1390 1280 1180 1080 SH H M L SL r min 1350 1250 1140 1040 uF Power Supply Phases Power Supply Mode Cooling Capacity Heating Capacity Cooling Power Input Heating Power Input Cooling Power Current Heating Power Current W W W W Model of indoor unit Fan Type Dehumidifying Volume Application Area U 3 D 5 5 TI TI 5 5 T 5 wn wn 79 Q Fan Motor RLA mm mm mm SH H M L SL dB A 40 37 35 32 Sound Power Level SH H M L SL dB mension WXHXD mm i DW mm XWH mm k 8 18 Input of Heater Indoor Unit JPipe Diameter Row fin Gap LXDXW Fuse 2 oio ITI SES lt 2 5 5 5 Z 5 5 al sex U lt 5 9 o a joje 5 9 58 0 5 TI 9 z 9 alo 3 D gt 2 9 S 3 5 9 4 5 w Net Weight O G g fe o 5 2 89 Q 8 Y Q S Specifications Model of Outdoor Unit GWHO9NA K3NNB1C O Compressor Manufacturer Trademark ZHUHAI LANDA COMPRESSOR CO LTD GREE w
23. G 4V lt OFAN EVAPORATOR l STEPPING kJ MOTOR FAN MOTOR A 2 Models GWH12NB K3NNB1C I GWH12NB K3NNA9C I GWH12NB K3NNAS3C I ROOM PIPE TEM SENSOR TEM SENSORJAPI Z Z pispLay FAN MOTOR JUMP SWING UD e 9 4 RT2 RT1 AER A TUBE ROOM DISP1DISP2 PG PGF CAP AP2 AC L PRINTED CIRCUIT BOARD TRIN TR_OUT NL a 7 STEPPING R N MOTOR TC BE TRANSFORMER BN BK Noc BU WH VEGN GN o XTI W1BU N CONN WIRE N1 BU W2BK 2 E WAVT 4 BK VT W50G 5 nc COMP e YEGN YEG K1 VE Qi 4V i EVAPORATOR 2 OFAN vi VT VIOLET RD RED VEGN YELLOW GREEN PROTECTIVE EARTH COMP COMPRESSOR 10 Schematic Diagram e Outdoor Unit YEGN BU BK cuj COMPRESSOR NI VT 2 OG INDOOR UNIT 4 5 gt gt TERMINAL BLOCK 1 06 These circuit diagrams subject to change without notice please refe
24. ccording to actual inner dia 16mm conditions 25 Installation Manual 7 5 Check after Installation and Operation Test 7 5 1 Check after Installation Items to be checked Possible malfunction Has the unit been fixed firmly The unit may drop shake or emit noise Have you done the refrigerant leakage test lt may cause insufficient cooling heating Is thermal insulation sufficient It may cause condensation Is water drainage satisfactory It may cause water leakage Is the voltage in accordance with the rated It mav cause electric malfunction voltage marked on the nameplate or damage the unit Is the electric wiring or piping It mav cause electric malfunction connection installed correctly and securely or damage the parts Has the unit been securely earthed It may cause electrical leakage It may cause electric malfunction Is the power cord specified or damage the parts Is the inlet or outlet blocked It may cause insufficient cooling heating Is the length of connection pipes The refrigerant capacity is not accurate and refrigerant capacity recorded 7 5 2 Operation Test 1 Before Operation Test 1 Do not switch on power before installation isfinished completely 2 Electric wiring must be connected correctly and securely 3 Cut off valves of the connection pipes should be opened 4 All the impurities such as scraps and thrums must be cleared fro
25. densate 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 20 Installation Manual 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 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruction blocking the inlet and outlet 4 The site should be able to withstand the full weight and vibration 5 Select a dry place but do not expose under the direct sunlight or strong wind 6 Make sure that the outdoor unit installation dimension should accord with installation dimension diagram convenient for maintenance repair 7 The height difference of connecting the tubing within 10m the length of connecting the tubing within 15 09k m or 20 12k m 8 Select a place where it is out of reach for the
26. er anticlockwise to position 0 to close air outlet After turning on the unit if swing function has not been set up amp down guide louver will clockwise turn to position D in heating mode or clockwise turn to level position L in other modes If the unit is turned on with swing function setting the guide louver will swing between W and D There are 7 kinds of swing states of guide louver There are position L A B C D and it swings and stops between L and D angle between L and D is equiangular Upon stop of unit the guide louver will close to position O Swing action is valid only when swing command is set and indoor fan is running Note If the position is set between L and B A and C or B and D by remote controller the guide louver will swing between L and D A 0 0 degree 9 Display Running icon and Mode icon Upon energization the unit will display all icons Under standby state running indicating icon is displayed in red If the unit is started by remote controller running indicating icon gives off light Meanwhile the present setting running mode icon will be displaved mode LED cooling heating and dry mode If the light button is turned off all icons display will be closed Dual 8 Display After starting the unit for the first time the nixie tube will display present setting temperature in default 16 30 C the nixie tube will default to display the preset temperature When displaying setting temperature signal is
27. ess this button twice Combination of and buttons About lock Press 4 and buttons simultaneously to lock or unlock the keypad If the remote controller is locked mis displayed In this case pressing any button Wy blinks three times Combination of MODE and buttons About switch between fahrenheit and cenrigrade At unit OFF press MODE and buttons simultaneously to switch between Cand F Combination of and FAN buttons About Lamp Under switch on or switch off state you may hold and FAN buttons simultaneously for 3 seconds to set the lamp on or off and send the code After being energized the lamp is defaulted on 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 4 Close the battery cover plate Notes e When replacing the batteries do not use old or different types of batteries otherwise it may cause malfunction e lf the remote controller will not be used for a long time please remove batteries to prevent batteries from leaking e The operation should be performed in its receiving range e lt should be kept 1m away from the TV set or stereo sound sets e Ifthe remote controller does not operate normally please take the batteries out and replace them after 30 seconds If still not operating proper
28. essor and the condenser to remove the 4 way valve 14 Remove compressor compressor Remove the foot nuts on the compressor and then remove the compressor 59
29. ester After ensure insulation placeand the safety the maintenance can be performed Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Normally diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units No pi Procedure 1 2 Judgement by Flashing LED of Indoor Outdoor Unit How to Check Simply the Main Part Precautions when inspecting the control section of the outdoor unit A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC220V to 240V remains and discharging takes a lot of time After turning off the power source if touching the charging section before discharging an electrical shock may be caused 9 2 Confirmation 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 9 3 Judgement by Flashing LED of Indoor Outdoor Unit 42 Troubleshooting Display Method ofindoor unit Method Indoor Unit Malf
30. fter de erergization ae The unit returns to normal Is UB A Conclusion U8 is displayed due to lt still displayed gt energization after de s aet energization while the capacitor na discharges slowly Yes Y The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard s Malfunction is e eliminated 48 Troubleshooting Appendix Appendix 1 Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 15K IResistanotko Temp C Resistance Tem Resistance 19 138 1 20 18 75 3 848 1 071 00 WET TA o ane 2 me ass 100 409 46 nms 23 6 344 11 Ls z a se e 14 102 9 3 217 0 925 l ma l u os sus Sm Pa 92 27 1374 298 15 M 8735 28 ez 289 10 088 82 75 29 12 6 68 279 107 0 825 2702 108 0 802 19 ors ozs 78 43 30 12 07 ms 2 me 66 88 63 46 54 31 2 611 2 523 33 10 63 34 10 2 35 oa 72 2 439 73 2 358 2488 77 2 064 80 111 0 737 112 0 717 o 0608 os 9 003 51 59 38 8 642 L E E 4902 8297 ___466 4o 79
31. icons and setting temperature Ta O TS Tpreset 2 C eons TA P Dehumidfying Tpreset 2 C cM ae 6m Stop n T in Compressor Outdoor fan Indoor fan 277 l a j Stop Protection Freeze potection If freeze protection of the system is detected in dry and cooling mode the compressor and the outdoor fan will stop running and the indoor fan will run at low speed When the freeze protection is released and the compressor has been stopped for 3 min the complete unit will resume its previous running state Upon the condition that the compressor runs for 6 min and stops for 4 min is met and freeze protection is detected the compressor and the outdoor fan will stop running and the indoor fan will run at low speed When the freeze protection is released and the compressor has been stopped for 4 min the complete unit will resume its previous running state Other protection Other protections are the same as those in cooling mode 3 Heating mode DHeating conditions and process When Tamb lt Tpreset 2 C the unit will run in heating mode in that case the four way valve the compressor and the outdoor fan will run simultaneously The indoor fan will delay at most 2mins to run The indoor fan will run 2 mins delayed at most When Tambz2Tpreset 4 C the compressor and the outdoor fan will stop and the four way valve will remain energized keep energizing and
32. ixing the electric box subassembly loosen the wire bundle and unplug the wiring terminals Then lift the electric box to remove it 10 Remove isolation sheet Remove the 3 screws fixing the isolation sheet and then remove the isolation sheet isolation sheet 11 Remove soundproof sponge Remove the soundproof sponge wrapping the compressor soundproof sponge 58 Removal Procedure s 12 Remove magnet a Remove the screw fixing the magnet coil and then remove the coil f AD 5 13 Remove valves and 4 way valve subassembly viv Unsolder welding joint connecting the capillary the valve and the outlet pipe of condenser to remove the capillary Do not block the capillary with welding slag during unsoldering Remove the 2 screws fixing the gas valve and unsolder the welding point between the gas valve and the air return pipe to remove the gas valve NOTE Discharge the refrigerant completely before unsoldering when unsoldering wrap the gas valve with a wet cloth completely to avoid damage to the valve caused by high temperature Remove the 2 screws fixing the liquid valve and ll unsolder the welding joint connecting the liquid a 5 liquid valve 5 2 A i s valve to the Y type pipe to remove the liquid valve Unsolder the welding joint connecting the 4 way valve the compr
33. l Please don t connect the earthing wire with the following Water pipe Gas pipe Contamination pipe Other places that professional personnel consider them unreliable 5 The model and rated values of fuses should accord with the silk print on fuse cover or related PCB 7 2 Installation Drawing Installation Manual eee Space to the ceiling 15cm I Above 15 abo Space to the wall IEE TE Rb EERSERESEEES Space to the wall Air outlet side The dimensions of the space necessary for proper installation of the unit include the minimum permissible distances to adjacent parts NN k v Ab 218 Above Space to the floor e a 4 8 Space to the obstruction z 77 mm e JBL NA Air inlet side E Br Lo m lt W kul i Space to the wall Space to the wall Jes NN u AJ lt 50cm Above gt O ps L A p P s l 7 Air outlet side Schematic diagram being reference only outdoor unit is with variation please refer to real product for authentic information 22 Installation Manual 7 3 Install Indoor Unit 7 3 1 Installation of Mounting Plate 1 Mounting plate should be installed horizontally As the water tray s outlet for the indoor unit is
34. l operating status Tpreset 1 C gt 6 min Simin gt 6 min Stop cooling Compressor Outdoor fan Indoor fan Fan speed Protection Functions Freeze potection If the system is under freeze protection the compressor and the outdoor fan stop operation and the indoor fan operates at set speed If freeze protection is eliminated and the compressor has been out of operation for 3 minutes the unit will resume its previous running state Freeze protection period Biz 156 Compressor 23min PA Outdoor fan Indoor fan SetFan Speed Z Stop 16 Function and Control 2 Dry Mode Dry Conditions and Process When Tamb gt 2 the unit will run in dry and cooling mode in that case the compressor and outdoor fan will run and the indoor fan will run at low speed When Tpreset 2 CsTamb xTpreset 2 C the unit will run in dry mode that case the indoor fan will run at low speed the compressor and the outdoor fan will be stopped in 6 min After 4 min the compressor and the outdoor fan will be restarted Dry process is cycled as the above When Tamb lt Tpreset 2 C the compressor and the outdoor fan will stop working and the indoor fan will run at low speed In this mode the four way valve is de energized and setting temperature range is between 16 30 The displayer will display running and drying
35. lyreplace the batteries 15 Function and Control 6 2 Description of Each Control Operation 1 Temperature Parameters Indoor preset temperature Tpreset Indoor ambient temperature Tamb 2 Basic functions The temperature in this manual is expressed by Centigrade If Fahrenheit is used the switchover between them is Tf TcX1 8 32 Once the unit is energized the compressor shall never be restarted except 3mins interval at least For the first energization if the unit is at off status before power failure the compressor can be restarted without 3 min delay But if the unit is at on status before power failure the compressor shall be restarted with 3mins delay Once the compressor is started up the compressor won t stop running within 6mins with the change of room temperature 1 Cooling mode Cooling conditions and process When Tamb gt 1 the unit starts cooling operation In this case the compressor and the outdoor fan operate and the indoor fan operates at set speed When Tamb sTpreset 1 C the compressor and the outdoor fan stop while the indoor fan runs at set speed When Tpreset 1 C Tamb lt Tpreset 1 C the unit will maintain its previous running state In cooling mode the four way valve is de energized temperature setting range is 16 30 the indoor unit displays operation icon cooling icon and set temperature Tamb Start cooling Tpreset 1 C Origina
36. m the unit 2 Operation Test Method 1 Switch on power press ON OFF button on the wireless remote control to start the operation 2 Press MODE button to select the COOL HEAT FAN to check whether the operation is normal or not 26 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 2 Attach the healthy filter onto the air filter as shown in Fig b 3 Install the air filter properlv 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 Do not use brush or hard objects to clean the filter After cleaning be sure to dry it in the shade 7 6 3 Service Life The general service life for the healthy filter is about one year under normal condition As for silver ion filter it is ineffective when its surface becomes black green eThis supplementary instruction is provided for reference to the unit with healthy filter If the graphics provided herein are different from the actual product please refer to the actual product The quantity of healthy filters is based on the actual delivery 27 Exploded Views and Parts List 8 Exploded Views and Parts List
37. ncrease temperature setting B SWING Press it set swing angle SLEEP BI TIMER Press it set auto on auto off timer ON OFF Press this button to start the unit operation Press this button again to stop the unit operation MODE Each time you press the button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following AUTO COOL DRY FAN Note Only for models with heating function Press this button to decrease set temperature Holding it down above 2 seconds rapidly decreases set temperature In AUTO mode set temperature is not adjustable Press this button to increase set temperature Holding it down above 2 seconds rapidly increases set temperature In AUTO mode set temperature is not adjustable FAN This button is used for setting Fan Speed in the sequence that goes from auf to ttf then back to Auto Auto 2 4 8 d aall Speed 1 mi Speed 2 Speed 3 PT Speed 4 IB swine Press this kev to activate or deactivate the swing 14 Function and Control SLEEP Press this button to go into the SLEEP operation mode Press it again to cancel This function is available in COOL HEAT Only for models with heating function or DRY mode to maintain the most comfortable temperature for you TIMER Press this button to initiate auto on auto off timer To cancel auto timer program pr
38. nnected tightly Indoor evaporator emperature sensor is open short circuited Indoor fan outdoor fan 2 The control terminal of PG motor is not compressor and electric heat connected tightly tube stop operation 2 minutes 3 Fan blade rotates unsmoothly due to later 4 way valve stops jimproper installation horizontal louver stops at the Motor is not installed properly and current position tightly 5 Motor is damaged 6 Controller is damaged 11 times OFF 3S and blinks 15 times not operate 1 There s not jumper cap on the controller 2 Jumper cap is not inserted properly and tightly 3 Jumper cap is damaged 4 Controller is damaged Malfunction protection of Operation of remote controller or control panel is available but the unit won t act PG motor indoor an circuit malfunction by zero cross detection OFF 3S and blinks 17 times Operation of remote controller control panel is available 1 Controller is damaged but the unit won t act PG motor OFF 3S indoor fan and blinks motor does 43 Troubleshooting 9 4 How to Check Simply the Main Part 1 F1 F2 Malfunction C Start Y Is the wiring terminal between temperature sensor and the controller loosened or poor ly contacted no yes Insert the temperature sensor tightly Is there short circuit due to trip over of the par ts Make the pa
39. nstalling modifving or servicing svstem main electrical disconnect switch must be in the OFF position There mav be more than 1 disconnect switch Lock out and tag switch with a suitable warning label e Never supply power to the unit unless all wiring and tub ing are completed reconnected and checked This system adopts highly dangerous electrical voltage Incorrect connection or inadequate grounding can cause personal injurv or death Stick to the wiring diagram and all the instructions when wiring Have the unit adequately grounded in accordance with local electrical codes Have 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 dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Safety Precautions Make sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside Make sure the ceiling wall is strong enough to bear the weight of the unit Make sure the noise of the outdoor unit does not disturb neighbors Follow all the installation instructions to minimize the risk of damage from earthquakes typhoons or strong winds Avoid contact between refrigerant and fire as it generates poisonous gas Apply specified refrigerant only Never have it mixed with any other refrigerant Never have air
40. ot 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 properiv Poor installation mav cause fire or electric shock 7 3 5 Installation of Indoor Unit External connection Gas side piping electric wire Liquid side piping e The piping can be output from right right rear left or left rear 2 1 When routing the piping and wiring from the left right side of indoor unit cut Tailing 1 Gas side piping A tana sia insulation iquid side ar Piping insulation off the tailings from the chassis when necessarv As shown in Fig 3 Fig 3 Finaly wrap t Water rainage pipe 1 Cut off the tailing 1 when routing the wiring only 2 Cut off the tailing 1 and tailings 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 make them through the piping hole As shown in Fig 4 l Left 3 Hang the mounting slots of the indoor unit on theupper hooks of the mounting Right plate and check if it is firm enough As shown in Fig 5 9 gt elgg 4 The installation site should be 250cm or more above the floor Right rear Fig 4 7 3 6 Installation of Connection Pipe Bids aA A i Mounting 1 Align the center of the pipe flare with the relevant valve lt plate 2 Screw in the
41. ove front case Remove electric box Loosen clasps of electric box and then remove electric box cover 1 Remove connection screws between electric box and rear case Unplug wiring terminal and loosen clasps Remove connection screws between ground wire and evaporator Unplug indoor temp sensor and then removeelectric box vertical louver vertical louver 2 screws 53 Removal Procedure Step Procedure 7 Remove evaporator Turn over rear case and remove connection screws between connecting pipe clamp and rear case Loosen clasps between connecting pipe clamp and rear case Then remove connecting pipe clamp evaporator assy Loosen connection screws among evaporator motor clamp and rear case Loosen clasps between evaporator and rear case Slightly adjust pipeline Then remove evaporator Remove cross flow fan blade and motor Remove 4 connection screws between motor clamp and rear case Then remove motor clamp 54 Removal Procedure cross flow fan blade Remove cross flow fan blade and motor Remove connection screws between cross flow fan blade and motor shaft Then remove motor Remove holder of bearing ring and then remove connection screws fixing step motor Then removestep motor 55 Removal Procedure 10 2 Removal Procedure of Outdoor Unit N Warning Be sure to wait for a minimum of 10 minutes after turning off all power sup
42. plies before disassembly Step Procedure 1 Before disassembly 2 Remove big handle Remove the connection screw fixing the big handle and then remove the handle 3 Remove top panel Remove connection screws connecting the top panel with the front panel and the right side plate and then remove the top panel 56 Removal Procedure step Jr 4 Remove front grille Remove connection screws between the front grille and the front panel Then remove the front grille front grille 5 Remove front panel Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel 6 Remove right side plate Remove connection screws connecting the right side plate with the chassis the valve support and the electric box Then remove the right side plate 7 Remove axial flow blade Remove the nut on the blade and then remove the axial flow blade axial flow blade 57 Removal Procedure Step LI 8 Remove motor and motor support lt 41 motor support Remove the 4 tapping screws fixing the motor and disconnect the leading wire insert of the motor Then remove the motor Remove the 2 tapping screws fixing the motor support and lift the motor support to remove it 9 Remove electric box Remove screws f
43. r Purging and Leakage Test 1 Connect charging hose of manifold valve to charge end of low pressurevalve both high low pressure valves must be tightly shut Manifold Valve 2 Connect joint of charging hose to vacuum pump l ir 3 Fully open handle of Lo manifold valve Lo Handle Hi handle 4 Open the vacuum pump to evacuate At the beginning slightly loosenjoint nut of low pressure valve to check if there is air coming inside If noiseof vacuum pump has been changed the reading of multimeter is O Thentighten the nut Charging hose 5 Keep evacuating for more than 15mins and make sure the reading ofmulti meter is L n pressure ep 1 0X105pa 76cmHg valve Z 6 Fully open high low pressure valves ii Vacuum pump 7 Remove charging hose from charging end of low pressure valve 8 Tighten bonnet of Fiq 5 ig low pressure valve As shown in Fig 5 7 4 3 Outdoor Condensate Drainage During heating operation the condensate and defrosting water should be drained out mil Drain water hole reliably through the drain hose Install the outdoor drain connector in a 25 hole on the Bottom frame base plate and attach the drain hose to the connector so that the waste water formed in the outdoor unit can be drained out The hole diameter 25 must be plugged Drain connecter available commercially Whether to plug other holes will be determined by the dealers a
44. r 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 withthe sleve outside the outlet pipe The drain hose should be downward slant without distortion bulge or fluctuation Do not put the water outlet in the water SIT oss mro Wall pipe Seal pad es outlet pipe of indoor unit rubber belt outlet pipe of drain hose indoor unit rubber belt insulating tube rubber belt outlet pipe of indoor unit Eon insulating tube connected bulge gt lt 23 Installation Manual 7 3 4 Connecting Indoor and Outdoor Electric Wires 1 Open the front panel 2 Remove the wiring cover connect and fix the power connection cord and signal control wire to the terminal board as shown in Fig2 3 Make the power connection cord and signal control wire pass through the hole at the back of indoor unit 4 Reinstall the clamp and wiring cover 5 Recover the front panel Wiring Cover Fig 2 outdoor unit connection NOTE All wires between indoor and outdoor units must be connected by the qualified electric contractor 9 Electric wires must be connected correctly Improper connection may cause malfunction e Tighten the terminal screws securely e After tightening the screws slightiv pull the wire and confirm whether it is firm or n
45. r to the supplied with unit 11 Schematic Diagram 5 2 Printed Circuit Board 09K e TOP VIEW 3 4 5 6 7 1 Compressor control relay K1 2 Protective tube 8 3 PG motor control terminal 4 4 way valve control terminal amp Furor L JUMP RVIOT 8 P control relay K115 m 5 5 Outdoor fan control terminal 4 2 J8 control relav K114 LM mE 6 Auto button Up amp down swing control terminal PG motor feedback terminal Display control terminal B SL 5 10 Tube temperature sensor connector 11 Ambient temperature sensor connector 12 High frequency transformer T1 e BOTTOM VIEW High voltage Ci LILJL IU I Q51 R61 CBC51 IT 0 LLI L E s 2 RS R51 gi gm g LIS B 2T m O 3 es ro 87 a231 8 D IRBTI ras Li 10 084 SLIT Ga me 8 zH 8 amp ings l H A LI ROS 00 LI aie
46. re condition Model Standard pressure Heat exchanger pipe temp 09K in 8 11 in 75 85 27 19 35 24 0 8 1 0 Super High out 11 14 out 37 43 Heating Temperature condition Model Standard pressure Heat exchanger pipe temp Indoor fan Outdoor fan rane TCO 09K in 75 85 in 1 3 830 20 35 38 out 37 43 out 2 5 770 P Pressure of air pipe connecting indoor and outdoor units 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 5 m Construction Views 3 Construction Views 3 1 Indoor Unit 3 2 Outdoor Unit B
47. remain in the refrigerant line as it may lead to rupture and other hazards Make sure no refrigerant gas is leaking out when install ation is completed Should there be refrigerant leakage the density of refri gerant in the air shall in no way exceed its limited value or it may lead to explosion Keep your fingers and clothing away from any moving parts Clear the site after installation Make sure no foreign ob jects are left in the unit Always 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 Make a proper provision against noise when the unit is installed at a telecommunication center or hospital Provide an electric leak breaker when it is installed in a watery place Never wash the unit with water Handle unit transportation with care The unit should not be carried by only one person if it is more than 20kg Never touch the heat exchanger fins with bare hands Never touch the compressor or refrigerant piping without wearing glove Do not have the unit operate without air filter Should any emergency occur stop the unit and discon nect the power immediately Properly insulate any tubing running inside the room to prevent the water from damaging the wall Specifications 2 Specifications 2 1 Unit Specifications GWH09NA K3NNB1C GWHO9NA K3NNA9C CA136006900 Product Code aM CA182002
48. 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 operation of the unit Avoid the following sites where e strong heat sources vapours flammable gas or volatile liquids are emitted e high frequency electro magnetic waves are generated by radio equipment welders and medical equipment e salt laden air prevails such as close to coastal areas e the air is contaminated with industrial vapours and oils e the air contains sulphures gas such as in hot spring zones e corrosion 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 con
49. rts upright no Malfunction is s p eliminated ye Is the temperature sensor normal according to the Resistance Table n Replace it with a temperature sensor of the same model yes la no Malfunction is yes removed Replace the controller with one ofthe same model yes End 44 Troubleshooting 2 H6 Malfunction Possible causes 1 Fan motor is locked 2 The feedback terminal of PG motor is not connected tightly 3 The control terminal of PG motor is not connected tightly 4 Motor is damaged 5 Malfunction of the rotation speed detection circuit of the mainboard See the flow chart below H6 is displayed on the unit Stir the fan blade with a hand when the unit is DE ENERGIZED 53 Does then lt blade rotate Yes N fee terminal of 6 motor loose Pa 5 loose lt malfunction gt Yes gt Ren energize turn on the unit al No eliminated NsNo malfunction gt Yes p 57 SN lt terminal Yes Insert the control Reinstall the motor and the blade to make it rotate smoothly s the gt M p malfunction k NS vd Insert the feedback terminal tightly Ym Pd s the gt
50. tallation and Maintenance of Healthy Filter 27 8 Exploded Views and Parts List 28 Table of Contents uu uuu uu uuu usu re Na MD eA 28 82 Outdoor Unit u u u u u u uu uu u u uu E E E E E E 38 9 Troubleshooting TE 42 9 1 Precautions before Performing Inspection or 42 9 2 i i 42 9 3 Judgement by Flashing LED of Indoor Outdoor Unit 42 9 4 How to Check Simply the Main 44 10 Removal 2 2 51 10 1 Removal Procedure of Indoor nn 51 10 2 Removal Procedure of Outdoor Unit 56 Summary and Features Indoor Unit GWH09NA K3NNB1CII GWH12NB K3NNB1CII GWH09NA K3NNA9CII GWH12NB K3NNA9CII GWH12NB K3NNA3C I Outdoor Unit GWHO09NA K3NNB1C O GWH12NB K3NNB1C O Remote Controller YX1F Summary and Features
51. the indoor fan will blow residual heat When Toreset 2 C lt T amb lt Tpreset 4 C the unit will maintain its previous running state Under this mode the four way valve is energized and setting temperature range is 16 30 C The displayer will display running and heating icons and setting temperature IL 2 s stop heating Tpreset i LG 4 d original operation status Tpreset 2 F KI Tamb start heating 26min 23MiNn 26min Compressor A Outdoor unit A 1605 lt 605 Indoor unit lt 2min GE lt 2min mal 4 way valve 22 Stop 17 Function and Control Defrosting Conditions and Process The unit with intelligent defrosting function can defrost according to frosting conditions Dual8 displays H1 Protection Function High Temp Resistance Protection If it is detected that the evaporator tube temperature is superheating the outdoor fan will stop working When the tube temperature resumes to normal condition the outdoor fan will resume running Noise Silencing Protection If the unit is stopped by pressing ON OFF or during switchover of modes the reversing valve will be stopped after 2 min 4 Fan mode In this mode indoor fan runs at setting speed and the compressor the outdoor fan the four way valve and the electric heating tube will stop running In this mode temperature setting range is 16 30 C
52. thout timer setting will memorize the last remote control signal and run according to it If the last remote controller command has general timer function and the system is de energized before setting time the system will memorize the last timer function in remote controller command after re energization and time will be recalculated If there is function in the last remote controller command but setting time has reached the system will act as timer on off setting before de energization After re energization the system memorizes the running states before power failure without timer action Clock timer can not be memorized 19 Installation Manual 7 Installation Manual 7 1 Notices for installation o Caution 1 The unit should be installed only by authorized service center according to local or government 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 mav 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
53. two way type during installation the indoor unit should slightly slant to water tray s 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 Wall Mark the middle of it Gradienter WN Mark on the middle of it 24 iGradientar Space SSS pace f Space pom c tothe FL othe _ tothe 2 Doce wall d bet z imil wall 150mm l d L 150mm e 9 450mm A above above zino above 4 XI EUs Let Right Right N 55 _ 55 55 Rear piping hole 12k Rear piping hole Rear piping hole 09k Rear piping hole 7 3 2 Drill Piping Hole Indoor Outdoor 1 Slant the piping hole 055 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 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 rubbe
54. unction Indicator lamp Name During blinking ON for 0 5S A C Status Possible Causes Error and OFF for 0 5 S Code Operation COOL HEAT Lamp Lamp Lamp 1 The wiring terminal between indoor ambient temperature sensor and controller is loosened or poorly contacted OFF 2 There s short circuit due to trip over of 3S and the parts on controller blinks 3 Indoor ambient temperature sensor is once damaged Please check it by referring the resistance table for temperature sensor 4 Main board is broken The unit will stop operation as it reaches the temperature point During cooling and drying operation except indoo an operates other loads such las compressor outdoor fan way valve stop operation During heating operation the complete unit stops operation Indoor ambient emperature sensor is open short circuited 1 The wiring terminal between indoor The unit will stop operation evaporator temperature sensor and as it reaches the temperature controller is loosened or poorly contacted point During cooling and 2 There s short circuit due to the trip over drying operation except indoorjof the parts on controller an operates other loads stop 3 Indoor evaporator temperature sensor operation During heating is damaged Please check it by referring operation the complete unit the resistance table for temperature stops operation sensor 4 Main board is broken 1 The feedback terminal of PG motor is not co
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