Gree MULTI24HP230V1CO User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Models: MULTI18HP230V1CO
MULTI24HP230V1CO
PTAC DIRECT SALES, INC.
185 S. KIMBALL AVE., SUITE 130
SOUTHLAKE, TX 76092
877.454.7822

Service Manual
Table of Contents
Table of Contents
Part Ė: Technical Information...............................................................................1
1. Summary..............................................................................................................................1
6SHFL¿FDWLRQV..................................................................................................................2
3. Outline Dimension Diagram................................................................................6
4. Refrigerant System Diagram..............................................................................7
5. Electrical Part...................................................................................................................8
5.1 Wiring Diagram.........................................................................................................................8
5.2 PCB Printed Diagram .............................................................................................................10
6. Function and Control..............................................................................................12
Part ė: Installation and Maintenance .........................................................15
7. Notes for Installation and Maintenance..................................................15
8. Installation Manual....................................................................................................17
8.1 Electrical Connections............................................................................................................18
8.2 Installing the Outdoor Unit......................................................................................................19
8.3 Installation Dimension Diagram..............................................................................................20
8.4 Check after Installation...........................................................................................................21
9. Troubleshooting ..........................................................................................................22
9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement .............................................22
9.2 Malfunction Checking and Elimination ...................................................................................23
9.3 Maintenance Method for Normal Malfunction.........................................................................36
10. Exploded View and Parts List ......................................................................38
11. Removal Procedure...............................................................................................42
Appendix:................................................................................................................................55
Appendix 1: Reference Sheet of Celsius and Fahrenheit ............................................................55
$SSHQGL[&RQ¿JXUDWLRQRI&RQQHFWLRQ3LSH.............................................................................55
Appendix 3: Pipe Expanding Method ...........................................................................................56
Appendix 4: List of Resistance for Ambient Temperature Sensor ................................................57

1
Technical Information
Service Manual
1. Summary
Part Ė: Technical Information
Outdoor Unit
MULTI18HP230V1CO
MULTI24HP230V1CO

2Technical Information
Service Manual
6SHFL¿FDWLRQV
Model MULTI18HP230V1CO
Product Code CB228W04100
Power
supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Cooling capacity(max~min) W 5280(2051~6155)
Heating capacity(max~min) W 5570(2500~6624)
Cooling Power Input(max~min) W 1650
Heating Power Input(max~min) W 1640
Cooling Current Input A 10.67/10.56
Heating Current Input A 6.78/6.10
Rated Power Input W 2800
Rated Current A 12.48
EER W/W 3.2
COP W/W 3.4
Outdoor
Unit
Compressor Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXA-B141zF030A
Compressor Refrigerant Oil Type RB68EP
Compressor Type Inverter Rotary
L.R.A A /
Compressor Rated Load Amp (RLA) A 7.2
Compressor Power Input W 1440
Compressor Thermal Protector 1NT11L-6233
Throttling Method Electron expansion valve
Cooling Operation Ambient Temperature Range OF -0.4~118.4
Heating Operation Ambient Temperature Range OF -4~75.2
Condenser Material Aluminum Fin-copper Tube
Condenser Pipe Diameter inch ĭ
Rows-Fin Gap(mm) inch 2-1/18
Coil length (l) X height (H) X coil width (L) inch 33 1/2X1 /12X26
Fan Motor Speed (rpm) (H/M/L) rpm 630
Output of Fan Motor W 60
Fan Motor RLA A /
Fan Motor Capacitor ȝ) /
Air Flow Volume of Outdoor Unit CFM 1883
Fan Type-Piece $[LDOÀRZ
Fan Diameter inch ĭ
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5
Dimension (W/H/D) inch 38X27 5/9X15 3/5
Dimension of Package (L/W/H) inch 40 2/5X18X29
Dimension of Package(L/W/H) inch 40 1/2X18X29 1/2
Net Weight lb 114.7
Gross Weight lb 124.6
efrigerant Charge R410A
Refrigerant Charge oz 77.6

3
Technical Information
Service Manual
Outdoor
Unit
Cross-sectional Area of Power Cable Conductor sq in 0.0032
Recommended Power Cable(Core) N 3
Connection Pipe Connection Method - Flare Connection
Not Additional Gas Connection Pipe Length ft 16.4
Connection Pipe Gas Additional Charge oz/ft. 0.2
Outer Diameter of Liquid Pipe1(GREE Allocation)
(Metric) inch 1/4
Outer Diameter of Liquid Pipe2(GREE Allocation)
(Metric) inch 1/4
Outer Diameter of Gas Pipe1(GREE Allocation)
(Metric) inch 3/8
Outer Diameter of Gas Pipe2(GREE Allocation)
(Metric) inch 3/8
Connection Pipe Max. Height Distance(indoor and
indoor) ft 32.8
Connection Pipe Max. Height Distance(indoor and
outdoor and indoor up) ft 32.8
Connection Pipe Max. Height Distance(indoor and
outdoor and outdoor up) ft 32.8
Max. equivalent connection pipe length(outdoor to
last indoor) ft 32.8
Connection Pipe Max. Length Distance(total lenght) ft 65.6
The above data is subject to change without notice; please refer to the nameplate of the unit.

4Technical Information
Service Manual
Model MULTI24HP230V1CO
Product Code CB228W04200
Power
supply
Rated Voltage V~ 208/230
Rated Frequency Hz 60
Phases 1
Cooling capacity(max~min) W 7620(2198~9672)
Heating capacity(max~min) W 8500(2198~7500)
Cooling Power Input(max~min) W 2400
Heating Power Input(max~min) W 2350
Cooling Current Input A 10.65
Heating Current Input A 10.43
Rated Power Input W 4550
Rated Current A 20.19
EER W/W 3.0
COP W/W 3.5
Outdoor
Unit
Compressor Trademark ZHUHAI LANDA COMPRESSOR CO.,LTD
Compressor Model QXAS-D23zX090B
Compressor Refrigerant Oil Type RB68EP
Compressor Type Inverter Rotary
L.R.A A /
Compressor Rated Load Amp (RLA) A 11.5
Compressor Power Input W 2550
Compressor Thermal Protector 1NT11L-6233
Throttling Method Electron expansion valve
Cooling Operation Ambient Temperature Range OF -0.4~118.4
Heating Operation Ambient Temperature Range OF -4~75.2
Condenser Material Aluminum Fin-copper Tube
Condenser Pipe Diameter inch ĭ
Rows-Fin Gap(mm) inch 2-1/18
Coil length (l) X height (H) X coil width (L) inch 38 2/3X1 1/2X29 4/9
Fan Motor Speed (rpm) (H/M/L) rpm 800
Output of Fan Motor W 90
Fan Motor RLA A /
Fan Motor Capacitor ȝ) /
Air Flow Volume of Outdoor Unit CFM 2354
Fan Type-Piece $[LDOÀRZ
Fan Diameter inch ĭ
Defrosting Method Automatic Defrosting
Climate Type T1
Isolation I
Moisture Protection IP24
Permissible Excessive Operating Pressure for the
Discharge Side MPa 4.3
Permissible Excessive Operating Pressure for the
Suction Side MPa 2.5
Dimension (W/H/D) inch 38 4/7X31 1/9X17 1/3
Dimension of Package (L/W/H) inch 42 1/2X19X33
Dimension of Package(L/W/H) inch 42 2/3X19 1/5X33 2/3
Net Weight lb 153.2
Gross Weight lb 164.3
efrigerant Charge R410A
Refrigerant Charge oz 77.6

5
Technical Information
Service Manual
Outdoor
Unit
Cross-sectional Area of Power Cable Conductor sq in 0.0051
Recommended Power Cable(Core) N 3
Connection Pipe Connection Method - Flare Connection
Not Additional Gas Connection Pipe Length ft 16.4
Connection Pipe Gas Additional Charge oz/ft. 0.2
Outer Diameter of Liquid Pipe1(GREE Allocation)
(Metric) inch 1/4
Outer Diameter of Liquid Pipe2(GREE Allocation)
(Metric) inch 1/4
Outer Diameter of Liquid Pipe2(GREE Allocation)
(Metric) inch 1/4
Outer Diameter of Gas Pipe1(GREE Allocation)
(Metric) inch 3/8
Outer Diameter of Gas Pipe2(GREE Allocation)
(Metric) inch 3/8
Outer Diameter of Gas Pipe2(GREE Allocation)
(Metric) inch 3/8
Connection Pipe Max. Height Distance(indoor and
indoor) ft 32.8
Connection Pipe Max. Height Distance(indoor and
outdoor and indoor up) ft 32.8
Connection Pipe Max. Height Distance(indoor and
outdoor and outdoor up) ft 32.8
Max. equivalent connection pipe length(outdoor to
last indoor) ft 65.6
Connection Pipe Max. Length Distance(total lenght) ft 196.8
The above data is subject to change without notice; please refer to the nameplate of the unit.

6Technical Information
Service Manual
3. Outline Dimension Diagram
35 1/8
38
27 5/9
15 3/5
13 3/7
22
14 1/2
Unit:inch
Unit:inch
MULTI18HP230V1CO
MULTI24HP230V1CO
38 4/7
35 1/8 13 3/7
17 1/3
31 1/9
22
14 1/2

7
Technical Information
Service Manual
4. Refrigerant System Diagram
outdoor
indoor
D1
C1
B1
A1
filter
A heat exchanger
gas -liquid separator
inverter compressor
discharge silencer
discharge temperature
sensor
SP
4-way valve
outdoor heat exchanger
fan
high pressure switch
B heat exchanger
C heat exchanger
D heat exchanger
filter
filter
filter
filter
Note: Not available for 14K/18K
model
C2
C3
D3
D2
B3
B2
A2
A3
A1:A－unit electronic expansion valve B1:B-unit electronic expansion valve
C1:C-unit electronic expansion valve D1:D-unit electronic expansion valve
A2:A-unit gas pipe temperature sensor B2:B-unit gas pipe temperature sensor
C2:C-unit gas pipe temperature sensor D2:D-unit gas pipe temperature sensor
A3:A－unit liquid pipe temperature sensor B3:B-unit liquid pipe temperature sensor
C3:C-unit liquid pipe temperature sensor D3:D-unit liquid pipe temperature sensor
Note: Not available for 14K/18K model

8Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
Symbol Symbol Color Symbol Symbol Color Symbol Name
WH White GN GREEN COMP Compressor
YE Yellow BN Brown Grouding wire
RD Red BU Blue
YEGN Yellow/Green BK Black
VT Violet OG Orange
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