Gree GRH120DB-K6NA1A User manual

Service Manual
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

Table of Contents
Table of Contents
Part Ⅰ: Technical Information .......................................2
1. Summary ..................................................................................2
2. Specications .......................................................................3
3. Outline Dimension Diagram ........................................7
3.1 Indoor Unit ..................................................................................................................7
3.2 Outdoor Unit...............................................................................................................7
4. Refrigerant System Diagram ......................................8
5. Electrical Part........................................................................9
5.1 Wiring Diagram .........................................................................................................9
5.2 PCB Printed Diagram............................................................................................11
6. Function and Control.....................................................13
6.1 Remote Controller Introduction ........................................................................13
6.2 Control Panel Introduction .................................................................................15
6.3 GREE+ App Operation Manual ..........................................................................16
6.4 Ewpe Smart App Operation Manual.................................................................17
6.5 Brief Description of Models and Functions..................................................18
7. Notes for Installation and Maintenance ............21
Part Ⅱ: Installation and Maintenance ...................21
8. Installation.............................................................................25
8.1 Accessory list.........................................................................................................25
8.2 Before installation..................................................................................................25
8.3 Stick Sponge (Sealing Strip) And Sponge ....................................................25
8.4 Selecting an installation location .....................................................................25
8.5 Mounting Outdoor Unit ........................................................................................27

Table of Contents
8.6 Installing The Ceiling Assembly .......................................................................27
8.7 Electrical Wiring......................................................................................................27
8.8 Completing The Installation ...............................................................................28
9. Maintenance.........................................................................29
9.1 Error Code List........................................................................................................29
9.2 Procedure of Troubleshooting ..........................................................................30
10. Exploded View and Parts List ...............................37
10.1 Indoor Unit..............................................................................................................37
10.2 Outdoor Unit ..........................................................................................................38
11. Removal Procedure......................................................40
11.1 Removal Procedure of Indoor Unit ................................................................40
11.2 Removal Procedure of Outdoor Unit.............................................................43
Appendix......................................................................................49
Appendix 1: Reference Sheet of Celsius and Fahrenheit...............................49
Appendix 2: List of Resistance for Temperature Sensor................................50

2Technical Information
Outdoor Unit:
1. Summary
Indoor Unit:
GRH120DB-K6NA1A/I
GRH085DB-K6NA1A/I
Remote Controller:
YAY1F2
GRH120DB-K6NA1A/O
GRH085DB-K6NA1A/O
Model list:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1 GRH120DB-K6NA1A CU050001400 GRH120DB-K6NA1A/I CU050N01400 GRH120DB-K6NA1A/O CU050W01400
YAY1F2
2 GRH120DB-K6NA1A CU050001401 GRH120DB-K6NA1A/I CU050N01401 GRH120DB-K6NA1A/O CU050W01401
3 GRH085DB-K6NA1A CU050001300 GRH085DB-K6NA1A/I CU050N01300 GRH085DB-K6NA1A/O CU050W01300
4 GRH085DB-K6NA1A CU050001301 GRH085DB-K6NA1A/I CU050N01301 GRH085DB-K6NA1A/O CU050W01301
LED

3
Technical Information
Model GRH085DB-K6NA1A GRH085DB-K6NA1A
Product Code CU050001300 CU050001301
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Cooling Capacity W 2600 2600
Heating Capacity W 2400 2400
Cooling Power Input W 1160 1160
Heating Power Input W 1000 1000
Cooling Current Input A / /
Heating Current Input A / /
Rated Input W 1600 1600
Rated Current A / /
EER W/W / /
COP W/W / /
Air Flow Volume m3/h 330/250/200 330/250/200
Dehumidifying Volume L/h 1 1
Application Area m210-17 10-17
Set Temperature Range oC 16~30 16~30
Cooling Operation Ambient Temperature Range oC 18~46 18~46
Heating Operation Ambient Temperature Range oC -5~24 -5~24
Indoor Unit
Model GRH085DB-K6NA1A/I GRH085DB-K6NA1A/I
Product Code CU050N01300 CU050N01301
Swing Motor Model / /
Swing Motor Power Output W / /
Fuse Current A 3.15 3.15
Dimension (WXHXD) mm 610X485X49 610X485X49
Dimension of Carton Box (LXWXH) mm 668X547X109 /
Dimension of Package (LXWXH) mm 678X550X112 /
Net Weight kg 2.7 2.7
Gross Weight kg 4 /
Fan Type Centrifugal Centrifugal
Fan Diameter Length mm Φ150x177.5 Φ150x177.5
Cooling Speed r/min 1680/1320/1100 1680/1320/1100
Heating Speed r/min 1680/1320/1100 1680/1320/1100
Fan Motor Power Output W 38 38
Fan Motor RLA A 0.62 0.62
Fan Motor Capacitor μF 3.5 3.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7Φ7
Evaporator Row-n Gap mm 3-1.4 3-1.4
Evaporator Coil Length mm 666×38.1×152.4 666×38.1×152.4
2. Specications

4Technical Information
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Model GRH085DB-K6NA1A/O GRH085DB-K6NA1A/O
Product Code CU050W01300 CU050W01301
Compressor Trademark HIGHLY HIGHLY
Compressor Manufacturer SHANGHAI HIGHLY
ELECTRICAL APPLIANCES CO.,LTD
SHANGHAI HIGHLY
ELECTRICAL APPLIANCES CO.,LTD
Compressor Model GDD102SV-A3D GDD102SV-A3D
Compressor Oil ACS-68R ACS-68R
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp A 18.9 18.9
Compressor Rated Load Amp A 3.85 3.85
Compressor Power Input W 828 828
Compressor Overload Protector Internal Internal
Fan Type Centrifugal Centrifugal
Fan Diameter mm Φ150 Φ150
Fan Motor Speed rpm 1400 1400
Fan Motor Power Output W 42 42
Fan Motor RLA A 0.38 0.38
Fan Motor Capacitor μF 3.5 3.5
Air Flow Volume m3/h 600 600
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7
Condenser Rows-n Gap mm 3-1.4 3-1.4
Condenser Coil Length mm 552×38.1×228.6 552×38.1×228.6
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
Maximum Allowable Pressure MPa 4.3 4.3
Throttling Method Capillary Capillary
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Refrigerant R32 R32
Refrigerant Charge kg 0.47 0.47
Dimension (WXHXD) mm 1077X720X283 1077X720X283
Dimension of Carton Box (LXWXH) mm 1146X783X330 1146X783X405
Dimension of Package (LXWXH) mm 1149X786X353 1149X786X435
Net Weight kg 35 35
Gross Weight kg 44 /

5
Technical Information
Model GRH120DB-K6NA1A GRH120DB-K6NA1A
Product Code CU050001400 CU050001401
Power
Supply
Rated Voltage V~ 220-240 220-240
Rated Frequency Hz 50 50
Phases 1 1
Cooling Capacity W 3600 3600
Heating Capacity W 3400 3400
Cooling Power Input W 1270 1270
Heating Power Input W 1170 1170
Cooling Current Input A / /
Heating Current Input A / /
Rated Input W 1600 1600
Rated Current A / /
EER W/W / /
COP W/W / /
Air Flow Volume m3/h 350/270/220 350/270/220
Dehumidifying Volume L/h 1 1
Application Area m210-17 10-17
Set Temperature Range oC 16~30 16~30
Cooling Operation Ambient Temperature Range oC 18~46 18~46
Heating Operation Ambient Temperature Range oC -5~24 -5~24
Indoor Unit
Model GRH120DB-K6NA1A/I GRH120DB-K6NA1A/I
Product Code CU050N01400 CU050N01401
Swing Motor Model / /
Swing Motor Power Output W / /
Fuse Current A 3.15 3.15
Dimension (WXHXD) mm 610X485X49 610X485X49
Dimension of Carton Box (LXWXH) mm 668X547X109 /
Dimension of Package (LXWXH) mm 678X550X112 /
Net Weight kg 2.7 2.7
Gross Weight kg 4 /
Fan Type Centrifugal Centrifugal
Fan Diameter Length mm Φ150x177.5 Φ150x177.5
Cooling Speed r/min 1680/1320/1100 1680/1320/1100
Heating Speed r/min 1680/1320/1100 1680/1320/1100
Fan Motor Power Output W 38 38
Fan Motor RLA A 0.62 0.62
Fan Motor Capacitor μF 3.5 3.5
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Φ7Φ7
Evaporator Row-n Gap mm 3-1.4 3-1.4
Evaporator Coil Length mm 666×38.1×152.4 666×38.1×152.4

6Technical Information
The above data is subject to change without notice. Please refer to the nameplate of the unit.
Outdoor
Unit
Model GRH120DB-K6NA1A/O GRH120DB-K6NA1A/O
Product Code CU050W01400 CU050W01401
Compressor Trademark HIGHLY HIGHLY
Compressor Manufacturer SHANGHAI HIGHLY
ELECTRICAL APPLIANCES CO.,LTD
SHANGHAI HIGHLY
ELECTRICAL APPLIANCES CO.,LTD
Compressor Model GDD102SV-A3D GDD102SV-A3D
Compressor Oil ACS-68R ACS-68R
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp A 18.9 18.9
Compressor Rated Load Amp A 3.85 3.85
Compressor Power Input W 828 828
Compressor Overload Protector Internal Internal
Fan Type Centrifugal Centrifugal
Fan Diameter mm Φ150 Φ150
Fan Motor Speed rpm 1400 1400
Fan Motor Power Output W 42 42
Fan Motor RLA A 0.38 0.38
Fan Motor Capacitor μF 3.5 3.5
Air Flow Volume m3/h 600 600
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Φ7 Φ7
Condenser Rows-n Gap mm 3-1.4 3-1.4
Condenser Coil Length mm 552×38.1×228.6 552×38.1×228.6
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
Maximum Allowable Pressure MPa 4.3 4.3
Throttling Method Capillary Capillary
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Refrigerant R32 R32
Refrigerant Charge kg 0.47 0.47
Dimension (WXHXD) mm 1077X720X283 1077X720X283
Dimension of Carton Box (LXWXH) mm 1146X783X330 1146X783X405
Dimension of Package (LXWXH) mm 1149X786X353 1149X786X435
Net Weight kg 35 35
Gross Weight kg 44 /

7
Technical Information
3. Outline Dimension Diagram
3.1 Indoor Unit
3.2 Outdoor Unit
Unit:mm
1077
720 283
610
485
49

8Technical Information
4. Refrigerant System Diagram
OUTDOOR COILS
HOT DISCHARGED AIR
COOLED AIR
COMPRESSOR
AXIAL FAN
CENTRIFUGAL FAN
CAPILLARY
REFRIGERANT FLOW DIRECTION
NOTES: COOLING MODE
HEATING MODE
HOT AIR
COOLED AIR
INDOOR COILS
STRAINER
RELEASE
VALVE
CAPILLARY
OUTDOOR COILS
HOT DISCHARGED AIR
COOLED AIR
COMPRESSOR
CENTRIFUGAL FAN
CENTRIFUGAL FAN
CAPILLARY
REFRIGERANT FLOW DIRECTION
NOTES: COOLING MODE
HEATING MODE
HOT AIR
COOLED AIR
INDOOR COILS
STRAINER