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Change for life Service Manual GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
Table of Contents Part I : Technical Information...................................... 2 1. Summary......................................................................... 2 2. Specifications............................................................... 4 2.1 Specification Sheet..................................................................................................4 2.2 Capacity Variation Ratio According to Temperature..................................10 2.3 Cooling and Heating Data Sheet in Rated Frequency...............................11 3. Outline Dimension Diagram.................................. 12 3.1 Indoor Unit.................................................................................................................12 3.2 Outdoor Unit.............................................................................................................13 4. Refrigerant System Diagram................................ 15 5. Electrical Part.............................................................. 16 5.1 Wiring Diagram........................................................................................................16 5.2 PCB Printed Diagram.............................................................................................19 6. Function and Control............................................... 25 6.1 Remote Controller Introduction.........................................................................25 6.2 Brief Description of Models and Functions...................................................30 6.3 GREE+ App Operation Manual...........................................................................33 6.4 Ewpe Smart App Operation Manual.................................................................34 Part II : Installation and Maintenance ................... 35 7. Notes for Installation and Maintenance........... 35 8. Installation.................................................................... 40 8.1 Installation Dimension Diagram........................................................................40 8.2 Installation Parts-checking ................................................................................42 8.3 Selection of Installation Location.....................................................................42 8.4 Electric Connection Requirement.....................................................................42 Service Manual Table of Contents
Service Manual 8.5 Installation of Indoor Unit....................................................................................43 8.6 Installation of Outdoor unit.................................................................................45 8.7 Vacuum Pumping and Leak Detection............................................................47 8.8 Check after Installation and Test operation..................................................47 9. Maintenance................................................................. 48 9.1 Error Code List........................................................................................................48 9.2 Procedure of Troubleshooting...........................................................................53 9.3 Troubleshooting for Normal Malfunction.......................................................67 10. Exploded View and Parts List............................ 69 10.1 Indoor Unit..............................................................................................................69 10.2 Outdoor Unit...........................................................................................................75 11. Removal Procedure................................................ 85 11.1 Removal Procedure of Indoor Unit.................................................................85 11.2 Removal Procedure of Outdoor Unit.............................................................90 Appendix.......................................................................... 110 Appendix 1: Reference Sheet of Celsius and Fahrenheit.............................110 Appendix 2: Configuration of Connection Pipe................................................110 Appendix 3: Pipe Expanding Method................................................................... 111 Appendix 4: List of Resistance for Temperature Sensor..............................112 Table of Contents
1. Summary Indoor Unit: A1 Panel: Outdoor Unit: GWH07AGAXB-K6DNA1A/O GWH09AGCXB-K6DNA1A/O GWH21AGEXF-K6DNA1A/O GWH28AGEXH-K6DNA1A/O GWH18AGDXE-K6DNA1A/O Remote Controller: YAP1F7(WiFi) 2 Technical Information Service Manual GWH24AGEXF-K6DNA1A/O
Service Manual Model list: No Model Product code Indoor model Indoor product code Outdoor model Outdoor product code 1 GWH07AGAXB-K6DNA1A CB385012200 GWH07AGAXB-K6DNA1A/I CB385N12200 GWH07AGAXB-K6DNA1A/O CB385W12200 2 GWH09AGCXB-K6DNA1A CB385012100 GWH09AGCXB-K6DNA1A/I CB385N12100 GWH09AGCXB-K6DNA1A/O CB385W12100 3 GWH18AGDXE-K6DNA1A CB385012900 GWH18AGDXE-K6DNA1A/I CB385N12900 GWH18AGDXE-K6DNA1A/O CB385W12900 4 GWH21AGEXF-K6DNA1A CB385014100 GWH21AGEXF-K6DNA1A/I CB385N14100 GWH21AGEXF-K6DNA1A/O CB385W14100 5 GWH24AGEXF-K6DNA1A CB385013900 GWH24AGEXF-K6DNA1A/I CB385N13900 GWH24AGEXF-K6DNA1A/O CB385W13900 6 GWH28AGEXH-K6DNA1A CB385014300 GWH28AGEXH-K6DNA1A/I CB385N14300 GWH28AGEXH-K6DNA1A/O CB385W14300 3 Technical Information
Service Manual 2. Specifications 2.1 Specification Sheet Model GWH07AGAXB-K6DNA1A GWH09AGCXB-K6DNA1A Product Code CB385012200 CB385012100 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50 50 Phases 1 1 Power Supply Mode Outdoor Outdoor Cooling Capacity W 2250 2650 Heating Capacity W 2700 3200 Cooling Power Input W 600 575 Heating Power Input W 720 745 Cooling Current Input A 3.1 2.95 Heating Current Input A 3.8 3.95 Rated Input W 1250 1350 Rated Cooling Current A 4.9 5.65 Rated Heating Current A 5.65 6 3/h 520/470/450/420/310/290/250 740/630/560/490/420/390/360 Air Flow Volume m Dehumidifying Volume L/h 0.6 0.8 EER W/W 3.75 4.6 COP W/W 3.75 4.3 SEER W/W / 4.3 HSPF W/W / / Application Area m 2 10-16 12-18 Model GWH07AGAXB-K6DNA1A/I GWH09AGCXB-K6DNA1A/I Product Code CB385N12200 CB385N12100 Fan Type Cross-flow Cross-flow Fan Diameter Length(DXL) mm Φ93X505 Ф98×630 Cooling Speed r/min 1300/1200/1120/1050/920/800/750 1350/1200/1100/1000/850/750/650 Heating Speed r/min 1300/1200/1120/1050/950/850/800 1200/1100/1040/950/900/880/850 Fan Motor Power Output W 20 15 Fan Motor RLA A 0.22 0.22 Fan Motor Capacitor μF 1 / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ5 Ф5 Evaporator Row-fin Gap mm 2-1.4 2-1.4 Indoor Unit Evaporator Coil Length (LXDXW) mm 509×22.8×266.7 634×22.8×304.8 Swing Motor Model MP24AK MP24BA MP24HF MP24HF MP24AK MP24BA Swing Motor Power Output W 1.5/1.5/1.5 1.5 1.5 1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) Cooling:39/36/34/32/28/23/22 Heating:39/36/33/31/29/25/23 Sound Power Level dB (A) Cooling:55/52/50/48/44/39/38 Heating:55/52/49/47/45/41/39 Dimension (WXHXD) mm 704×260×185 825×293×196 Dimension of Carton Box (LXWXH) mm 748×316×247 870×349×257 Dimension of Package (LXWXH) mm 753×332×258 875×365×268 Net Weight kg 7.5 9.5 Gross Weight kg 9 11.5 4 Technical Information Cooling:42/37/36/32/28/24/20 Heating:39/36/33/31/29/28/27 Cooling:57/52/51/47/43/39/35 Heating:57/52/49/47/45/44/43
Service Manual 2. Specifications Outdoor Unit Model GWH07AGAXB-K6DNA1A/O GWH09AGCXB-K6DNA1A/O Outdoor Unit Product Code CB385W12200 CB385W12100 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR Compressor Model QXF-A082zC170 QXF-A082zC170 Compressor Oil ZE-G;ES RB68GX or equivalent ZE-G;ES RB68GX or equivalent Compressor Type Rotary Rotary Compressor LRA. A 15.00 15.00 Compressor RLA A 2.56 2.56 Compressor Power Input W 756.6 756.6 Compressor Overload Protector / / Throttling Method Capillary Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC -10~50 -10~50 Heating Operation Ambient Temperature Range ºC -15~24 -15~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7 Φ7 Condenser Rows-fin Gap mm 1-1.2 2-1.4 Condenser Coil Length (LXDXW) mm 666×19.05×527 666×38.1×527 Fan Motor Speed rpm 850 850 Fan Motor Power Output W 30 30 Outdoor Fan Motor RLA A 0.40 0.4 Unit Fan Motor Capacitor μF / 2.5 Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm Φ400 Φ400 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level (H/M/L) dB (A) 50/-/- 50/-/- Sound Power Level (H/M/L) dB (A) 60/-/- 61/-/- Dimension(WXHXD) mm 732×555×330 732×555×330 Dimension of Carton Box (LXWXH) mm 791×373×590 791×373×590 Dimension of Package(LXWXH) mm 794×376×615 794×376×615 Net Weight kg 24 26.5 Gross Weight kg 26.5 29 Refrigerant R32 R32 Refrigerant Charge kg 0.46 0.65 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 16 16 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 3/8 3/8 Pipe Max Distance Height m 10 10 Max Distance Length m 15 15 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 5 Technical Information ZHUHAI LANDA COMPRESSOR CO.,LTD CO.,LTD 3/h 1950 1950
Model GWH28AGEXH-K6DNA1A GWH21AGEXF-K6DNA1A Product Code CB385014300 CB385014100 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50 50 Phases 1 1 Power Supply Mode Outdoor Outdoor Cooling Capacity W 8500 6400 Heating Capacity W 9000 7400 Cooling Power Input W 2297 1542 Heating Power Input W 2647 1805 Cooling Current Input A 10.4 11.5 Heating Current Input A 12 11 Rated Input W 3650 2600 Rated Cooling Current A 18.5 12.5 Rated Heating Current A 16.5 12.5 3/h 1300/1050/1000/900/800/750/700/500 1300/1100/1050/950/900/850/800/700 Air Flow Volume m Dehumidifying Volume L/h 3 2.5 EER W/W 3.7 4.15 COP W/W 3.4 4.10 SEER W/W / / HSPF W/W / / 2 32-50 27-42 Application Area m Model GWH28AGEXH-K6DNA1A/I GWH21AGEXF-K6DNA1A/I Product Code CB385N14300 CB385N14100 Fan Type Cross-flow Cross-flow Fan Diameter Length(DXL) mm Φ108×830 Ф98×630 Cooling Speed r/min 1400/1150/1100/1000/900/850/800//600 1400/1150/1100/1000/900/850/800/650 Heating Speed r/min 1400/1200/1100/1000/900/800/750/- 1400/1200/1100/1000/900/800/750/- Fan Motor Power Output W 60 60 Fan Motor RLA A 0.38 0.28 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Ф7 Evaporator Row-fin Gap mm 2-1.4 2-1.3 Evaporator Coil Length (LXDXW) mm 850×25.4×342.9 850×25.4×342.9 Indoor Unit Swing Motor Model MP24HF/MP24AK/MP24HF MP24HF/MP24AK/MP24HF Swing Motor Power Output W 1.5/1.5/1.5 1.5/1.5/1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) Cooling:49/43/42/39/37/35/32/30 Heating:48/43/41/37/34/31/29/- Sound Power Level dB (A) Cooling:65/59/58/55/53/51/48/46 Heating:64/59/57/53/50/47/45/- Dimension (WXHXD) mm 1075×333×246 1075×333×246 Dimension of Carton Box (LXWXH) mm 1128×406×323 1128×406×323 Dimension of Package (LXWXH) mm 1133×414×333 1133×414×333 Net Weight kg 16 16 Gross Weight kg 19 19 6 Technical Information Service Manual Cooling:49/43/41/38/35/33/29/27 Heating:39/36/33/31/29/28/27/- Cooling:62/55/53/50/47/45/41/39 Heating:57/52/49/47/45/44/43/-
Service Manual Outdoor Unit Model GWH28AGEXH-K6DNA1A/O GWH21AGEXF-K6DNA1A/O Outdoor Unit Product Code CB385W14300 CB385W14100 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR Compressor Model QXFS-B238zX070 QXFS-M180zX170 Compressor Oil / / Compressor Type Rotary Rotary Compressor LRA. A 27.00 24.00 Compressor RLA A 4.30 3.50 Compressor Power Input W 2020 1350 Compressor Overload Protector / HPC 115/95U1 KSD115ºC Throttling Method Electron expansion valve Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC -10~50 -10~50 Heating Operation Ambient Temperature Range ºC -15~24 -15~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7.94 Φ7 Condenser Rows-fin Gap mm 2-1.4 2-1.4 Condenser Coil Length (LXDXW) mm 955X38.1X704 890×38.1×616 Fan Motor Speed rpm 850 880 Fan Motor Power Output W 90 60 Outdoor Fan Motor RLA A 0.70 0.65 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm Φ570 Φ520 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level (H/M/L) dB (A) 62/-/- 58/-/- Sound Power Level (H/M/L) dB (A) 72/-/- 67/-/- Dimension(WXHXD) mm 1000×746×427 958×660×402 Dimension of Carton Box (LXWXH) mm 1077×480×785 1029×453×715 Dimension of Package(LXWXH) mm 1080×483×810 1032×456×737 Net Weight kg 51.5 42.5 Gross Weight kg 56.5 47 Refrigerant R32 R32 Refrigerant Charge kg 1.7 1.3 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 40 16 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 5/8 1/2 Pipe Max Distance Height m 10 10 Max Distance Length m 25 25 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 7 Technical Information ZHUHAI LANDA COMPRESSOR CO.,LTD CO.,LTD 3/h 4500 3800
Model GWH18AGDXE-K6DNA1A GWH24AGEXF-K6DNA1A Product Code CB385012900 CB385013900 Rated Voltage V~ 220-240 220-240 Power Supply Rated Frequency Hz 50 50 Phases 1 1 Power Supply Mode Outdoor Outdoor Cooling Capacity W 5000 7100 Heating Capacity W 6000 8000 Cooling Power Input W 1290 1844 Heating Power Input W 1460 2000 Cooling Current Input A 6 8.1 Heating Current Input A 6.5 8.8 Rated Input W 2300 3200 Rated Cooling Current A 10 14.5 Rated Heating Current A 10 13.5 3/h 1050/910/870/830/770/660/600 1300/1050/1000/900/820/750/650 Air Flow Volume m Dehumidifying Volume L/h 1.8 2.5 EER W/W 3.87 3.85 COP W/W 4.1 4.00 SEER W/W / / HSPF W/W / / 2 23-34 27-42 Application Area m Model GWH18AGDXE-K6DNA1A/I GWH24AGEXF-K6DNA1A/I Product Code CB385N12900 CB385N13900 Fan Type Cross-flow Cross-flow Fan Diameter Length(DXL) mm Ф106X739 Ф108×830 Cooling Speed r/min 1400/1200/1120/1050/980/860/750 1400/1150/1100/1000/900/850/800/650 Heating Speed r/min 1400/1200/1120/1050/950/850/750 1400/1200/1100/1000/900/800/750/-/- Fan Motor Power Output W 50 60 Fan Motor RLA A 0.25 0.28 Fan Motor Capacitor μF / / Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Evaporator Pipe Diameter mm Φ7 Ф7 Evaporator Row-fin Gap mm 2-1.4 2-1.3 Evaporator Coil Length (LXDXW) mm 715×25.4×304.8 850×25.4×342.9 Indoor Unit Swing Motor Model MP35CP MP24AK/MP24HF/MP24HF Swing Motor Power Output W 2.5 1.5/1.5/1.5 Fuse Current A 3.15 3.15 Sound Pressure Level dB (A) Cooling:46/41/39/37/35/32/27 Heating:48/43/41/39/35/32/28 Sound Power Level dB (A) Cooling:62/57/55/63/51/48/43 Heating:58/53/51/49/45/42/38 Dimension (WXHXD) mm 982X311X221 1075×333×246 Dimension of Carton Box (LXWXH) mm 1039X377X287 1128×406×323 Dimension of Package (LXWXH) mm 1044X385X297 1133×414×333 Net Weight kg 13 16 Gross Weight kg 15.5 19 8 Technical Information Service Manual Cooling:50/44/43/40/36/34/32/30 Heating:50/45/42/39/36/34/32/- Cooling:66/60/59/56/52/50/48/46 Heating:66/61/58/55/52/50/48/-
Service Manual Outdoor Unit Model GWH18AGDXE-K6DNA1A/O GWH24AGEXF-K6DNA1A/O Outdoor Unit Product Code CB385W12900 CB385W13900 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR Compressor Model QXF-M130zF170 QXFS-M180zX170 Compressor Oil RB68GX or equivalent / Compressor Type Rotary Rotary Compressor LRA. A / 24.00 Compressor RLA A 5.36 3.50 Compressor Power Input W 1196 1350 Compressor Overload Protector / HPC 115/95U1 KSD115ºC Throttling Method Electron expansion valve Electron expansion valve Set Temperature Range ºC 16~30 16~30 Cooling Operation Ambient Temperature Range ºC -10~50 -10~50 Heating Operation Ambient Temperature Range ºC -15~24 -15~24 Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube Condenser Pipe Diameter mm Φ7.94 Φ7.94 Condenser Rows-fin Gap mm 2-1.4 2-1.4 Condenser Coil Length (LXDXW) mm 865×38.1×528 934×38.1×616 Fan Motor Speed rpm 950 880 Fan Motor Power Output W 40 60 Outdoor Fan Motor RLA A 0.70 0.65 Unit Fan Motor Capacitor μF / / Outdoor Unit Air Flow Volume m Fan Type Axial-flow Axial-flow Fan Diameter mm Φ445 Φ520 Defrosting Method Automatic Defrosting Automatic Defrosting Climate Type T1 T1 Isolation I I Moisture Protection IPX4 IPX4 Permissible Excessive Operating Pressure for the Discharge Side MPa 4.3 4.3 Permissible Excessive Operating Pressure for the Suction Side MPa 2.5 2.5 Sound Pressure Level (H/M/L) dB (A) 58/-/- 61/-/- Sound Power Level (H/M/L) dB (A) 68/-/- 68/-/- Dimension(WXHXD) mm 873×555×376 958×660×402 Dimension of Carton Box (LXWXH) mm 948×428×591 1029×453×715 Dimension of Package(LXWXH) mm 951×431×620 1032×456×737 Net Weight kg 37 43.5 Gross Weight kg 40 48 Refrigerant R32 R32 Refrigerant Charge kg 1 1.45 Connection Pipe Length m 5 5 Connection Pipe Gas Additional Charge g/m 12 16 Outer Diameter Liquid Pipe inch 1/4 1/4 Connection Outer Diameter Gas Pipe inch 1/2 5/8 Pipe Max Distance Height m 10 10 Max Distance Length m 25 25 Note: The connection pipe applies metric diameter. The above data is subject to change without notice. Please refer to the nameplate of the unit. 9 Technical Information ZHUHAI LANDA COMPRESSOR CO.,LTD CO., LTD 3/h 3000 3600
2. Specifications 2.2 Capacity Variation Ratio According to Temperature 7K Heating: Cooling 120 100 Capacity ratio (%) 80 60 Conditions Indoor:DB27°C/WB19°C Indoor air flow:Super High Pipe length:5m 40 20 0 18 20 25 30 35 40 45 50 Outdoor temp.(°C) Outdoor temp.(°C) 9K Cooling 140 120 100 Capacity ratio (%) 80 60 Conditions Indoor:DB27°C/WB19°C Indoor air flow:Super High Pipe length:5m 40 20 0 18 20 25 30 35 40 45 50 Outdoor temp.(°C) 18/21/24K Cooling 100 90 80 70 Capacity ratio (%) 60 Conditions Indoor:DB27°C/WB19°C Indoor air flow:Super High Pipe length:5m 50 40 30 20 10 0 - 10 - 5 0 5 10 15 20 25 30 35 40 45 50 Outdoor temp.(°C) Outdoor temp.(°C) 10 Technical Information Service Manual 140 120 100 Capacity ratio (%) 80 Condition Heating Indoor:DB20°C Indoor air flow: Super High Pipe length:5m 60 40 20 0 15 7 2 7 15 18 21 24 Heating: 140 120 Capacity ratio (%) 100 80 Condition Heating Indoor:DB20°C Indoor air flow: Super High Pipe length:5m 60 40 20 0 .15 .7 2 7 15 18 21 24 Outdoor temp.(°C) Heating: 100 90 80 70 Capacity ratio (%) 60 Conditions Indoor:DB20°C Indoor air flow:Super High 50 Pipe length:5m 40 30 20 10 0 - 15 - 10 - 7 - 5 - 3 0 5 6 7 10 15 18 20 24
Service Manual Cooling: 28K 120 Heating: 100 100 90 80 80 Capacity ratio (%) Capacity ratio (%) 70 60 60 50 Conditions Indoor:DB20°C Indoor air flow:Super High Conditions Indoor:DB27°C/WB19°C Indoor air flow:Super High Pipe length:5m 40 40 Pipe length:5m 30 20 20 10 0 0 - 15 - 10 - 7 - 5 - 3 0 5 6 7 10 15 18 20 - 10 - 5 0 5 10 15 20 25 30 35 40 45 50 Outdoor temp.(°C) Outdoor temp.(°C) 2.3 Cooling and Heating Data Sheet in Rated Frequency Cooling: Pressure of gas pipe connecting Inlet and outlet pipe temperature of Rated cooling condition(°C) (DB/WB) indoor and outdoor unit heat exchanger Fan speed of Fan speed of Model outdoor unit Indoor Outdoor P (MPa) T1 (°C) T2 (°C) indoor unit 7K 0.8~1.1 12 ~ 15 75~40 TURBO High 9K 1~1.3 12 ~15 78~38 27/19 35/24 21/24K 0.9~1.1 12 ~ 14 75 ~ 37 28K 0.7~0.9 10 ~ 12 78 ~ 37 Heating: Pressure of gas pipe connecting indoor and Rated heating condition(°C) Inlet and outlet pipe temperature of heat exchanger Fan speed of Fan speed of (DB/WB) Model outdoor unit indoor unit outdoor unit Indoor Outdoor P (MPa) T1 (°C) T2 (°C) 7K 2.0~2.6 75~38 2 ~ 5 TURBO High 9K 2.0~2.5 70~35 2 ~5 20/- 7/6 21/24K 2.2~2.4 70 ~ 35 2 ~ 4 28K 2.4~2.7 71 ~ 36 1 ~ 7 Instruction: T1: Inlet and outlet pipe temperature of evaporator T2: Inlet and outlet pipe temperature of condenser P: Pressure at the side of big valve Connection pipe length: 5 m. 11 Technical Information
Service Manual 3. Outline Dimension Diagram 3.1 Indoor Unit W D H AGA AGD W3 W2 W1 W3 W2 W1 Φ55 Φ55 55 55 42 40 42 40 75 75 178 89 AGC AGE W3 W2 W1 W2 W1 W3 Φ55 Ø70 Ø70 175 60 43 43 116 155 Unit:mm Model W H D W1 W2 W3 AGA 704 260 185 93 462 149 AGC 825 293 196 113 542 170 AGD 982 311 221 122.5 707.5 152 AGE 1075 333 246 184 707.5 183.5 * Recommended distance 12 Technical Information
3. Outline Dimension Diagram Service Manual 3.2 Outdoor Unit 07/09K 285 555 330 Unit:mm 21/28K 340 660 402 Unit:mm 13 Technical Information 675 732 455 310 889 958 371 570
28K 369 923 746 427 1000 395 Unit:mm 610 18K 316.5 805 555 376 873 30 348.6 Unit:mm 528 14 Technical Information Service Manual
Service Manual 4. Refrigerant System Diagram 7K Cooling and heating model Indoor unit Outdoor unit Suction Heat exchanger (evaporator) Heat exchanger (condenser) Connection pipe specification: Liquid pipe:1/4" Gas pipe:3/8" 9/18/21/24/28K Cooling and heating model Indoor unit Suction Heat exchanger (evaporator) Heat exchanger (condenser) Connection pipe specification: Liquid pipe:1/4" Gas pipe:3/8" 9K Gas pipe:1/2" 18/21K Gas pipe:5/8" 28K 15 Technical Information Gas pipe side Valve 4-Way valve Discharge Accumlator Compressor Liquid pipe side Valve Strainer Strainer Capillary COOLING HEATING Outdoor unit Gas pipe side Valve 4-Way valve Discharge Accumlator Compressor side Liquid pipe Valve Strainer Electric expand valve Strainer COOLING HEATING
5. Electrical Part Service Manual 5.1 Wiring Diagram ●Instruction Symbol Symbol Color Symbol Symbol Color Symbol Name WH White GN Green CAP Jumper cap YE Yellow BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow/Green BK Black / / VT Violet OG Orange / / Note: Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model. ● Indoor Unit 7K OPTIONAL OPTIONAL ROOM TUBE TEMP. SENSOR TEMP. SENSOR WIRED CONTROLLER DRY CONTACT RECEIVER AND DISPLAY BOARD FAN MOTOR M1 AP3 AP4 AP1 DISPLAY θ θ PE EVAPORATOR RT1 RT2 YEGN T-SENSOR DISP PG PGF PE EARTH-PLATE COM-MANUAL DOOR-C (DRY-C) CAP YEGN XT AP2 OUTDOOR UNIT PRINTED CIRCUIT BOARD BU BU JUMP N(1) N(N1) BK BK COM-OUT 2 3 BN BN AC-L SWING-UD1 SWING-UD2 CABLE CONNECTING SWING-LR HEALTH BLOCK TERMINAL M2 M3 M4 ION PLASMACLUSTER UP-DOWN UP-DOWN LEFT-RIGHT STEPPING STEPPING 600007063739 MOTOR STEPPING MOTOR MOTOR OPTIONAL OPTIONAL 16 Technical Information
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Technical Information5. Electrical Part
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These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
18
Technical Information
Service Manual5. Electrical Part Service Manual 5.2 PCB Printed Diagram Indoor Unit 4 5 6 7 8 9 7K 3 2 16 1 No. Name No. Name 1 Terminal of communication 9 Left &Right swing interface(only for the model with this function) 2 Fuse 10 Interface of PG feedback 3 Live wire terminal 11 Display interface 4 Neutral wire terminal 12 Terminal of temperature sensor 5 PG Motor terminal 13 Jumper cap 6 Interface of health function 14 Interface of gate-control (only for the model with this function) 7 Up&down swing interface 2 15 Wired controller terminal (only for the model with this function) 8 Up&down swing interface 1 16 Terminal of live wire used for supplying power for outdoor unit 19 Technical Information 10 11 12 13 14 15
9/18/21/24/28K 3 4 5 6 7 8 1 15 14 No. Name No. Name 1 Fuse 9 Up&down swing 1 2 Live wire 10 Interface of display board 3 Neutral wire 11 Temperature sensor 4 Dommunication wire 12 Door control 5 DC fan 13 Wired controller 6 Cold plasma 14 Earthing wire 7 Left&right swing 15 Terminal of live wire 8 Up&down swing 2 20 Technical Information Service Manual 9 10 11 12 13
Service Manual Outdoor Unit 7/9K 1 2 3 4 5 6 7 No. Name 1 Earthing wire 2 Neutral wire, live wire and communication cable 3 4-way valve 4 Electric heating belt of chassis 5 Interface of outdoor fan 6 Interface of electronic expansion valve 7 Temperature sensor 8 Three-phase terminal of compressor 21 Technical Information 8
21/24K 1 2 3 4 6 7 8 9 5 11 12 13 No. Name No. Name 1 Eathing wire 9 Overload interface of compressor 2 Live wire 10 Interface of compressor 3 Neutral wire 11 DRED interface 4 Communication cable 12 Interface of electronic expansion valve 5 4-way valve 13 E disk interface 6 Electric heating belt of chassis 7 Interface of outdoor fan 8 Temperature sensor 22 Technical Information Service Manual 10
Service Manual 28K 1 2 3 4 5 6 7 8 9 10 11 12 13 14 No. Name No. Name 1 Neutral wire 8 Terminal of high pressure protection 2 Earthing wire 9 Temperature sensor 3 Live wire 10 Overload interface of compressor 4 Communication cable 11 Interface of electronic expansion valve 5 4-way valve 12 Terminal of DRED 6 Electric heating belt of chassis 13 E disk interface 7 Interface of outdoor fan 14 Interface of compressor 23 Technical Information
18K 1 3 5 7 9 6 8 4 2 2 1 1 1 No Name No Name 1 Earthing wire 8 Interface of outdoor fan 2 Live wire 9 Temperature sensor 3 Communication cable 10 Overload interface of compressor 4 Neutral wire 11 5 4-way valve 12 6 Electric heating belt of chassis 13 7 Interface of electronic expansion valve 24 Technical Information Service Manual 10 13 Dred communication E disk interface Interface of compressor
Service Manual 6. Function and Control 6.1 Remote Controller Introduction Notice: 1.This is a general use remote controller. It could be used for the air conditioner with multifunction. For the functions which the model doesn't have, if press the corresponding button on the remote controller, the unit will keep the original running status. 2.After putting through the power, the air conditioner will give out a sound. Operation indicator " " is ON (red indicator, the colour is different for different models). After that, you can operate the air condition-er by using remote controller. 3.Under on status, pressing the button on the remote controller, the signal icon " " on the display of remote controller will blink once and the air condition-er will give out a “ di ” sound, which means the signal has been sent to the air conditioner. 4.As for the models with functions of WiFi or wired controller, the indoor unit must has been controlled by standard remote controller under auto mode first, and then the function of adjustable temperature under auto mode can be realized by APP or the wired controller. 5.This remote controller can adjust the temperature under auto mode. When matching with the unit which is without the function of adjustable temperature under auto mode, the set temperature under auto mode may be invalid, or the displayed set temperature on the unit is not same as that on the remote controller under auto mode. button Press this button to turn on the unit. Press this button again to turn off the unit. button Press this button to select your required operation mode : ● When selecting auto mode, air conditioner will operate automatically according to the sensed temperature. Set temperature can't be adjusted and will not be displayed as well. Press "FAN" button can adjust fan speed. Press " "/" " button can adjust fan blowing angle. ● After selecting cool mode, air conditioner will operate under cool mode. Press " " or " " button to adjust set temperature. Press "FAN" button to adjust fan speed. Press" "/" " button to adjust fan blowing angle. 25 Technical Information ● When selecting dry mode, the air conditioner operates at low speed under dry mode. Under dry mode, fan speed can't be adjusted. Press " "/" " button to adjust fan blowing angle. ● When selecting fan mode, the air conditioner will only blow fan, no cooling and no heating. Press "FAN" button to adjust fan speed. Press" "/" " button to adjust fan blowing angle. When selecting heat mode, the air conditioner operates under heat mode. Press "▲" or "▼" button to adjust set temperature. Press "FAN" button to adjust fan speed. Press " " / " " button to adjust fan blowing angle. ● When selecting heating mode, the air conditioner operates under heat mode. Press " " or " "button to adjust set temperature. Press "FAN" button to adjust fan speed. Press " " / " "button to adjust fan blowing angle. (Cooling only unit won't receive heating mode signal. If setting heat mode with remote controller, press ON/OFF button can’t start up the unit). Note: ● For preventing cold air, after starting up heat mode,indoor unit will delay 1~5 minutes to blow air (Actual delay time depends on indoor ambient temperature). ● Set temperature range from remote controller: 16~30 oC(61- 86 oF). ● Under auto mode, temperature can be displayed;Under auto mode, set temperature can be adjusted. ● This mode indicator is not available for some models. button This button is used for setting Fan Speed in the sequence that goes from AUTO, , , , , , , then back to Auto. Note: ● Under AUTO speed, air conditioner will select proper fan speed automatically according to factory default setting. ● It's low fan speed under dry mode. ● X-FAN function Hold fan speed button for 2s in cool or dry mode, the icon " " is displayed and the indoor fan will continue operation for a few 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. ● This function indicates that moisture on evaporator of indoor unit will be blowed after the unit is stopped to avoid mould. ● Having set X-FAN function on: After turning off the unit
by pressing " ON/OFF " button indoor fan will continue
running for a few minutes. at low speed. In this per- iod,
Hold fan speed button for 2s to stop indoor fan directly.
Having set X-FAN function off: After turning off the unit by
pressing " " button, the complete unit will be off directly.
TURBO button
Under COOL or HEAT mode, press this button to turn to quick
COOL or quick HEAT mode. "
" icon is displayed on remote
controller. Press this button again to exit turbo function and "
" icon will disappear. If start this function, the unit will run at
super-high fan speed to cool or heat quickly so that the ambient
temperature approaches the preset temperature as soon as
possible.
/
button
● Press "
" or "
" button once increase or d ecrease set
temperature 1°C (°F). Holding " " or "
" button, 2s later,
set temperature on remote controller will change quickly. On
releasing button after setting is finished, temperature indicator on
indoor unit will change accordingly.
● When setting T-ON, T-OFF or CLOCK, press " " or " " button
to adjust time. (Refer to CLOCK, TON,T-OFF buttons)
button
Press this button can select left & right swing angle. Fan blow
angle can be selected circularly as below:
Note:
● Press this button continuously more than 2s, the main unit will
swing back and forth from left to right, and then loosen the button,
the unit will stop swinging and present position of guide louver
will be kept immediately.
● Under left and right swing mode, when the status is switched
from off to
, if press this button again 2s later,
status
will switch to off status directly; if press this button again within
2s, the change of swing status will also depend on the circulation
sequence stated above.
● The function is only available for some models.
button
Press this button can select left & right swing angle. Fan blow
angle can be selected circularly as below:
no display
(horizontal louvers stops
at current position)
● When selecting "
", air conditioner is blowing fan
automatically. Horizontal louver will automatically swing up &
down at maximum angle.
●When selecting "
、 、 、 、 ", air conditioner is blowing fan
at fixed position. Horizontal louver will stop at the fixed position.
● When selecting "
、 、 ", air conditioner is blowing fan at
fixed angle. Horizontal louver will send air at the fixed angle.
● Hold "
"button above 2s to set your required swing angle.
26
Technical Information
Service Manual
When reaching your required angle, release the button.
Note:
● "
、
、 " may not be available. When air conditioner
receives this signal, the air conditioner will blow fan automatically.
● Press this button continuously for more than 2s, the main
unit will swing back and forth from up to down, and then loosen
the button, the unit present position of guide louver will be kept
immediately.
● Under up and down swing mode, when the status is switched
from off to
, if press this button again 2s later,
status will
switch to off status directly; if press this button again within 2s,
the change of swing status will also depend on the circulation
sequence stated above.
T-ON T-OFF button
● T-ON button
"T-ON" button can set the time for timer on. After pressing this
button, "
" icon disappears and the word "ON" on remote
controller blinks. Press "▲" or " ▼ " button to adjust T-ON
setting. After each pressing "▲" or " ▼ " button, T-ON setting will
increase or decrease 1min. Hold "▲" or " ▼ " button, 2s later, the
time will change quickly until reaching your required time. Press
"T-ON" to confirm it. The word "ON" will stop blinking. "
" icon
resumes displaying. Cancel T-ON: Unde the condition that T-ON
is started up, press "T-ON " button to cancel it.
● T-OFF button
"T-OFF" button can set the time for timer off. After pressing this
button, "
" icon disappears and the word "OFF" on remote
controller blinks. Press "▲" or " ▼ " button to adjust T-OFF
setting. After each pressing "▲" or " ▼ " button, T-OFF setting
will increase or decrease 1min. Hold "▲" or " ▼ " button, 2s later,
the time will change quickly until reaching your required time.
Press "T-OFF" word "OFF" will stop blinking. "
" icon resumes
displaying. Cancel T-OFF. Under the condition that T-OFF is
started up, press "T-OFF" button to cancel it.
Note:
● Under on and off status, you can set T-OFF or T-ON
simultaneously.
● Before setting T-ON or T-OFF, please adjust the clock time.
● After starting up T-ON or T-OFF,set the constant circulating
valid.
● After that, air conditioner will be turned on or turned off
according to setting time.ON/OFF button has no effect on setting.
If you don’t need this function, please use remote controller to
cancel it.
I FEEL button
Press this button to start I FEEL function and "
" will be
displayed on the remote controller. After this function is set, the
remote controller will send the detected ambient temperature
to the controller and the unit will automatically adjust the indoor
temperature according to the detected temperature. Press this
button again to cancel I FEEL function and "
" will disappear.
● Please put the remote controller near user when this function Service Manual 6. Function and Control is set. Do not put the remote contro ller near the object of high temperature or low temperature in order to avoid detecting inaccurate amb ient temperature. When I FEEL function is turned on, the remote controller should be put within the area where indoor unit can receive the signal sent by the remote controller. CLOCK button Press this button to set clock time. " " icon on remote controller will blink. Press "▲" or " ▼ " button within 5s to set clock time. Each pressing of "▲" or " ▼ " button, clock time will increas e or decrease 1 minute.If hold "▲" or " ▼ " button, 2s later, time will change quickly. Release this button when reaching your required time. Press "CLOCK" button to confirm the time. " " icon stops blinking. Note: ● Clock time adopts 24-hour mode. ● The interval between two operations can't exceed 5s. Otherwise, remote controller will quit setting status. Operation for TIMER ON/TIMER OFF is the same. SLEEP button ● Press this button, can select Sleep 1 ( 1), Sleep 2 ( 2), Sleep 3 ( 3) and cancel the Sleep, circulate between these, after electrified, Sleep Cancel is defaulted. ● Sleep 1 is Sleep mode 1, in Cool modes; sleep status after run for one hour, the main unit setting temperature will increase 1 , two hours, setting temperature increased 2℃, then the unit will run at this setting temperature; In Heat mode: sleep status after run for one hour, the setting temperature will decrease 1 , two hours, setting temperature will decrease 2 , then the unit will run at this setting temperature. ● Sleep 2 is sleep mode 2, that is air conditioner will run according to the presetting a group of sleep temperature curve. ● Sleep 3-the sleep curve setting under Sleep mode by DIY; (1) Under Sleep 3 mode, press “Turbo” button for a long time, remote controller enters into user individuation sleep setting status, at this time, the time of remote controller will display “1hour”, the setting temperature “88” will display the corresponding temperature of last setting sleep curve and blink (The first entering will display according to the initial curve setting value of original factory); (2) Adjust “+” and “-” button, could change the corresponding setting temperature, after adjusted, press “Turbo” button for confirmation; (3) At this time, 1hour will be automatically increased at the timer position on the remote control, (that are "2hours" or "3hours" or "8hours"), the place of setting temperature "88" will display the corresponding temperature of last setting sleep curve and blink; (4) Repeat the above step (2)~(3) operation, until 8 hours temperature setting finished, sleep,curve setting finished, at this 27 Technical Information time, the remote controller will resume the original timer display; temperature display will resume to original setting temperature. ● Sleep3- the sleep curve setting under Sleep mode by DIY could be inquired: The user could accord to sleep curve setting method to inquire the presetting sleep curve, enter into user individuation sleep setting status, but do not change the temperature, press "Turbo" button directly for confirmation. Note: In the above presetting or enquiry procedure, if continuously within 10s, there is no button pressed, the sleep curve setting within 10s, there is no button pressed, the sleep curve setting status will be automatically quit and resume to display the original displaying. In the presetting or enquiry procedure, press "ON/OFF" button, "Mode" button, "Sleep" button, the sleep curve setting or enquiry status will quit similarly. WiFi button Press " WiFi " button to turn on WiFi function, "WiFi " icon will be displayed on the remote controller; Hold " WiFi " button for 5s to turn off WiFi function and " WiFi " icon will disappear. Under off status, press "MODE" and " WiFi " buttons simultaneously for 1s, WiFi module will restore factory settings. ● This function is only available for some models. button Press this button to achieve the on and off of health and scavenging functions in operation station. Press this button for the first time to start scavenging function; LCD displays " ". Press the button for the second time to start health and scavenging functions simultaneously; LCD displays " " and " ". Press this button for the third time to quit health and scavenging functions simultaneously. Press the button for the fourth time to start health function; LCD display " ". Press this button again to repeat the operation above. ● This function is applicable to partial of models . LIGHT button Press this button to turn off display light on indoor unit. " " icon on remote controller disappears. Press this button again to turn on display light. " " icon is displayed. Press and hold the LIGHT button for 5 seconds to activate or cancel the auto light function. When the set temperature on the remote controller blinks 3 times, it means the auto light function is successfully turned on. When this function is active, the panel lamp will light up for 20 seconds every time the indoor unit receives a signal from the remote controller and then go off automatically. Auto light function is only available for some models. TEMP button Press this button, you can see indoor set temperature, indoor ambient temperature on indoor unit' s display. The setting on remote controller is selected circularly as below: no display
Service Manual 6. Function and Control Introduction for icons on display screen I feel Set fan speed (No fan speed. It’s displayed only after turning it on.) Turbo mode Send signal Auto mode Operation mode Cool mode Dry mode Fan mode Heat mode Sleep mode 8ȭ heating function Power limiting operation Health mode Scavenging function Quiet X-FAN function Set temp. Indoor ambient temp. Temp. display type Outdoor ambient temp. Clock Set temperature WiFi function Set time TIMER ON / TIMER OFF Left & right swing Up & down swing Child lock Function introduction for combination buttons Energy-saving function Under cooling mode, press "TEMP" and "CLOCK"buttons simultaneously to start up or turn off energysaving function. When energy-saving function is started up, "SE" will be shown on remote controller,and air conditioner will adjust the set temperature automatically according to ex-factorysetting to reach to the best energy-saving effect. Press "TEMP" and "CLOCK" buttons simultaneously again to exit energysaving function. Note: ● Under energy-saving function, fan speed is defaulted at auto speed and it can't be adjusted. ● Under energy-saving function, set temperature can't be adjusted. Press "TURBO" button and the remote controller won't send signal. ● Sleep function and energy-saving function can't operate at the same time. If energy-saving function has been set under cool mode, press sleep button will cancel energy-saving function. If sleep function has been set under cool mode, start up the energy- saving function will cancel sleep function. 8°C heating function Under heat mode, press "TEMP" and "CLOCK" buttons simultaneously to start up or turn off 8°C heating function. When this function is started up, " " and "8°C" will be shown on remote 28 Technical Information controller, and the air conditioner keep the heating status at 8°C. Press "TEMP" and "CLOCK" buttons simultaneously again to exit 8°C heating function. Note: ● Under 8°C heating function, fan speed is defaulted at auto speed and it can't be adjusted. ● Under 8°C heating function, set temperature can't be adjusted. Press "TURBO" button and the remote controller won't send signal. ● Sleep function and 8°C heating function can't operate at the same time. If 8°C heating function has been set under heat mode, press sleep button will cancel 8°C heating function. If sleep function has been set under heat mode, start up the 8°C heating function will cancel sleep function. ● Under °F temperature display, the remote controller will display 46°F heating. Child lock function Press "▲" and "▼" simultaneously to turn on or turn off child lock function. When child lock function is on, " " icon is displayed on remote controller.If you operate the remote controller, the " " icon will blink three times without sending signal to the unit. Temperature display switchover function Under OFF status, press "▼" and "MODE" buttons simultaneously to switch temperature display between °C and °F. Night mode Under cooling or heating mode, when turning on sleep mode and turn to low speed or quiet notch, the outdoor unit would enter into night mode. Note: When you feel that the cooling and heating effect is poor, please press "FAN" button to other fan speed or press "SLEEP" button to exit the night mode. The night mode can only work under normal ambient temperature. This function is only available for some models. Auto clean function Under unit off status, hold "MODE" and "FAN" buttons simultaneously for 5s to turn on or turn off the auto clean function. When the auto clean function is turned on, indoor unit displays "CL" . During the auto clean process of evaporator, the unit will perform fast cooling or fast heating. There may be some noise, which is the sound of flowing liquid or thermal expansion or cold shrinkage. The air conditioner may blow cool or warm air, which is a normal phenomenon. During cleaning process, please make sure the room is well ventilated to avoid affecting the comfort. Note: ● The auto clean function can only work under normal ambient temperature. If the room is dusty, clean it once a month; if not, clean it once every three months. After the auto clean function is turned on,you can leave the room. When auto clean is finished, the air conditioner will enter standby status. ● This function is only available for some models.
Service Manual 6. Function and Control function Press "MODE" and "SLEEP" buttons simultaneously to start function. function is for limiting power of the whole unit. Press this button, the remote controller will circu-larly display as the following: blank No Setting ● Maximum power limited under the mode is lower than that of mode. ● If you want to cancel the power limiting function, press the button till the icon in remote controller is not displayed. ● When the remote controller is turned off, power limiting function is cancelled. If you want to activatethe function, please repress this button. ● If the current power is lower than the maximum power of mode, then the power will not be limited after entering into such mode. ● For the model with one outdoor unit and two indoor units, if any one of indoor units enters into power limiting function, the outdoor unit will enter into the set limiting power mode of indoor unit; when two indoor units enter into power limiting mode, then the power of outdoor unit will be limited according to the lower power of the two indoor units. Note: ● This function is only available for some models. Replacement of batteries in remote controller 1. Lift the cover along the direction of arrow (as shown in Fig 1① ). 2.Take out the original batteries (as shown in Fig 1 ② ). 3.Place two 7# (AAA 1.5V) dry batteries, and make sure the position of “ + ” polar and “ - ” polar is correct (as shown in Fig 2 ③ ). 4.Reinstall the cover (as shown in Fig 2 ④ ). ① ④ ② ③ Fig.1 Fig.2 NOTICE: ● During operation, point the remote control signal sender at the receiving window on indoor unit. The distance between signal sender and receiving window should be no more than 8m, and there should be no obstacles between them. ● Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone; remote controller should be close to indoor unit during operation. ● Replace new batteries of the same model when replacement is required. ● When you don’t use remote controller for a long time, please take out the batteries. ● If the display on remote controller is fuzzy or there’s no display, please replace batteries. 29 Technical Information