Gree Multi+ Ultra MULTIU18HP230V1DO Guide

MULTI+ ULTRA SERIES

Change for life

GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

MULTIU18HP230V1DO

MULTIU24HP230V1DO

MULTIU36HP230V1DO

MULTIU42HP230V1DO

Service & Parts Manual

Service Manual

Table of Contents

Part Ⅰ: Technical Information.......................................................................1

1. Summary......................................................................................................................1

2. Specications..........................................................................................................2

2.1 Specication Sheet...........................................................................................................2

2.2 Cooling Capacity Tables...................................................................................................6

3. Outline Dimension Diagram......................................................................10

4. Refrigerant System Diagram....................................................................11

5. Electrical Part.........................................................................................................12

5.1 Wiring Diagram...............................................................................................................12

5.2 PCB Printed Diagram .....................................................................................................15

6. Function and Control......................................................................................17

Part Ⅱ: Installation and Maintenance .................................................19

7. Safety Precautions............................................................................................19

8. Installation Manual............................................................................................21

8.1 Preparation before Installation .......................................................................................22

8.2 Installation Instruction.....................................................................................................24

9. Troubleshooting ..................................................................................................29

9.1 Malfunction Indicator .....................................................................................................29

9.2 Malfunction Checking and Elimination ...........................................................................30

9.3 Maintenance Method for Normal Malfunction.................................................................36

10. Exploded View and Parts List ..............................................................38

11. Removal Procedure.......................................................................................44

Appendix:........................................................................................................................58

Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................58

Appendix 2: Pipe Expanding Method ...................................................................................58

Appendix 3: List of Resistance for Temperature Sensor ......................................................60

Technical Information

Service Manual

1. Summary

Part Ⅰ: Technical Information

Outdoor Unit

No. Model Product Code

1MULTIU18HP230V1DO CB228W09400

2MULTIU24HP230V1DO CB228W09500

3MULTIU36HP230V1DO CB228W09600

4MULTIU42HP230V1DO CB228W09700

MULTIU18HP230V1DO

MULTIU24HP230V1DO

MULTIU36HP230V1DO

MULTIU42HP230V1DO

2Technical Information

Service Manual

2. Specications

Model MULTIU18HP230V1DO MULTIU24HP230V1DO

Product Code CB228W09400 CB228W09500

Power

supply

Rated Voltage V~ 208/230 208/230

Rated Frequency Hz 60 60

Phases 1 1

Cooling capacity Btu/h 18000 22000

Heating capacity Btu/h 21000 26000

Cooling Power Input W 1450 1760

Heating Power Input W 1710 2090

Cooling Current Input A 6.3 7.65

Heating Current Input A 7.4 9.1

Rated Power Input W 5000 6000

Rated Current A 22 26

EER (Btu/h)/W 12.5 12.5

COP (Btu/h)/W 12.3 12.5

SEER 23 23

HSPF 10.5 10.5

Outdoor

Unit

Compressor Trademark ZHUHAI LANDA COMPRESSOR

CO.,LTD

ZHUHAI LANDA COMPRESSOR

CO.LTD

Compressor Model QXFW-D318zX035 QXFW-D318zX035

Compressor Refrigerant Oil Type FW68DA or equivalent FW68DA or equivalent

Compressor Type Inverter Rotary Inverter Rotary

L.R.A A / /

Compressor Rated Load Amp (RLA) A 14.9 17

Compressor Power Input W / /

Compressor Thermal Protector / /

Throttling Method Electron expansion valve Electron expansion valve

Cooling Operation Ambient

Temperature Range

OF 0~115 0~115

Heating Operation Ambient

Temperature Range

OF -31~75.2 -31~75.2

Condenser Material Aluminum Fin-copper Tube Aluminum Fin-copper Tube

Condenser Pipe Diameter inch Φ5/16 Φ5/16

Rows-Fin Gap(mm) inch 2-1/16 2-1/16

Coil length (l) X height (H) X coil

width (L) inch 38 21/32X29 7/16X1 1/2 38 21/32X29 7/16X1 1/2

Fan Motor Speed (rpm) (H/M/L) rpm 880 880

Output of Fan Motor W 90 90

Fan Motor RLA A / /

Fan Motor Capacitor μF / /

Air Flow Volume of Outdoor Unit CFM 2531 2531

Fan Type-Piece Axial-ow Axial-ow

Fan Diameter inch 21 43/64-2 39/64 Φ21 19/32-4 45/64

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 PSIG 550 550

Permissible Excessive Operating

Pressure for the Suction Side PSIG 240 240

Dimension (WXHXD) inch 39 31/64X31 7/64X16 13/32 39 31/64X31 7/64X16 13/32

Dimension of Package (LXWXH) inch 42 1/2X19X33 42 1/2X19X33

Dimension of Package(LXWXH) inch 42 43/64X19 13/64X33 43/64 42 43/64X19 13/64X33 43/64

Net Weight lb 172 174.2

Gross Weight lb 183 185.2

Refrigerant Charge R410A R410A

Refrigerant Charge oz 77.62 95.26

2.1 Specication Sheet

Technical Information

Service Manual

Outdoor

Unit

Cross-sectional Area of Power Cable Conductor sq in 0.0051 0.0051

Recommended Power Cable(Core) N 3 3

Connection Pipe Connection Method - Flare Connection Flare Connection

Not Additional Gas Connection Pipe Length ft 65.6 98.4

Connection Pipe Gas Additional Charge oz/ft. 0.2 0.2

Outer Diameter of Liquid Pipe1(GREE Allocation)

(Metric) inch 1/4 1/4

Outer Diameter of Liquid Pipe2(GREE Allocation)

(Metric) inch 1/4 1/4

Outer Diameter of Liquid Pipe3(GREE Allocation)

(Metric) inch / 1/4

Outer Diameter of Liquid Pipe4(GREE Allocation)

(Metric) inch / /

Outer Diameter of Gas Pipe1(GREE Allocation)

(Metric) inch 3/8 3/8

Outer Diameter of Gas Pipe2(GREE Allocation)

(Metric) inch 3/8 3/8

Outer Diameter of Gas Pipe3(GREE Allocation)

(Metric) inch / 3/8

Outer Diameter of Gas Pipe4(GREE Allocation)

(Metric) inch / /

Connection Pipe Max. Height Distance(indoor and

indoor) ft 26.2 26.2

Connection Pipe Max. Height Distance(indoor and

outdoor and indoor up) ft 33 33

Connection Pipe Max. Height Distance(indoor and

outdoor and outdoor up) ft 33 33

Max. equivalent connection pipe length(outdoor to

last indoor) ft 82.0 82.0

Connection Pipe Max. Length Distance(total lenght) ft 164 229.6

The above data is subject to change without notice; please refer to the nameplate of the unit.

4Technical Information

Service Manual

Model MULTIU36HP230V1DO MULTIU42HP230V1DO

Product Code CB228W09600 CB228W09700

Power

supply

Rated Voltage V~ 208/230 208/230

Rated Frequency Hz 60 60

Phases 1 1

Cooling capacity Btu/h 36000 42000

Heating capacity Btu/h 36000 42000

Cooling Power Input W 4020 4660

Heating Power Input W 3300 3600

Cooling Current Input A 17.48 20.26

Heating Current Input A 14.35 15.65

Rated Power Input W 7360 7360

Rated Current A 32 32

EER (Btu/h)/W 9.0 9.0

COP (Btu/h)/W 10.96 11.66

SEER 23.0 23.0

HSPF 10.0 10.0

Outdoor

Unit

Compressor Trademark ZHUHAI LANDA COMPRESSOR

CO.,LTD

ZHUHAI LANDA COMPRESSOR

CO.,LTD

Compressor Model QXAW-F518zX440C QXAW-F518zX440C

Compressor Refrigerant Oil Type FW68DA or equivalent FW68DA or equivalent

Compressor Type Inverter Rotary Inverter Rotary

L.R.A A / /

Compressor Rated Load Amp (RLA) A 27 28.5

Compressor Power Input W / /

Compressor Thermal Protector / /

Throttling Method Electron expansion valve Electron expansion valve

Cooling Operation Ambient Temperature

Range

OF 0~115 0~115

Heating Operation Ambient Temperature

Range

OF -31~75.2 -31~75.2

Condenser Material Aluminum Fin-copper Tube Aluminum Fin-copper Tube

Condenser Pipe Diameter inch Φ5/16 Φ5/16

Rows-Fin Gap(mm) inch 3 3

Coil length (l) X height (H) X coil width (L) inch 35X41 37/64X2 1/4 35X41 37/64X2 1/4

Fan Motor Speed (rpm) (H/M/L) rpm 940 940

Output of Fan Motor W 90 90

Fan Motor RLA A / /

Fan Motor Capacitor μF / /

Air Flow Volume of Outdoor Unit CFM / /

Fan Type-Piece Axial-ow Axial-ow

Fan Diameter-height inch Φ22 7/16—5 63/64 Φ22 7/16—5 63/64

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 PSIG 550 550

Permissible Excessive Operating Pressure for

the Suction Side PSIG 240 240

Dimension (W/H/D) inch 43 7/64X43 27/64X17 21/64 43 7/64X43 27/64X17 21/64

Dimension of Package (L/W/H) inch 46X18 57/64X43 57/64 46X18 57/64X43 57/64

Dimension of Package(L/W/H) inch 46 1/6X19X44 1/2 46 1/6X19X44 1/2

Net Weight lb 280 282.2

Gross Weight lb 297.7 299.9

Refrigerant Charge R410A R410A

Refrigerant Charge oz 158.73 176.37

Technical Information

Service Manual

Outdoor

Unit

Cross-sectional Area of Power Cable Conductor sq in 0.013 0.013

Recommended Power Cable(Core) N 3 3

Connection Pipe Connection Method - Flare Connection Flare Connection

Not Additional Gas Connection Pipe Length ft 131.2 131.2

Connection Pipe Gas Additional Charge oz/ft. 0.2 0.2

Outer Diameter of Liquid Pipe1(GREE Allocation)

(Metric) inch 1/4 1/4

Outer Diameter of Liquid Pipe2(GREE Allocation)

(Metric) inch 1/4 1/4

Outer Diameter of Liquid Pipe3(GREE Allocation)

(Metric) inch 1/4 1/4

Outer Diameter of Liquid Pipe4(GREE Allocation)

(Metric) inch 1/4 1/4

Outer Diameter of Liquid Pipe4(GREE Allocation)

(Metric) inch / 1/4

Outer Diameter of Gas Pipe1(GREE Allocation)

(Metric) inch 3/8 3/8

Outer Diameter of Gas Pipe2(GREE Allocation)

(Metric) inch 3/8 3/8

Outer Diameter of Gas Pipe3(GREE Allocation)

(Metric) inch 3/8 3/8

Outer Diameter of Gas Pipe4(GREE Allocation)

(Metric) inch 3/8 3/8

Outer Diameter of Gas Pipe4(GREE Allocation)

(Metric) inch / 3/8

Connection Pipe Max. Height Distance(indoor and

indoor) ft 49.2 49.2

Connection Pipe Max. Height Distance(indoor and

outdoor and indoor up) ft 49.2 49.2

Connection Pipe Max. Height Distance(indoor and

outdoor and outdoor up) ft 49.2 49.2

Max. equivalent connection pipe length(outdoor to

last indoor) ft 82.0 82.0

Connection Pipe Max. Length Distance(total lenght) ft 246.1 262.5

The above data is subject to change without notice; please refer to the nameplate of the unit.

6Technical Information

Service Manual

Cooling

Heatling

2.2 Cooling Capacity Tables

MULTIU18HP230V1DO

Outdoor Ambient

Temperature (DB)

°F

Indoor Entering Air Temperatures

68F DB 73°F DB 80°F DB

57F WB 61°FWB 67°FWB

TC SHC TC SHC TC SHC

0°F 11182 8769 11822 9262 13018 10214

5°F 11573 9076 12235 9586 13473 10571

14°F 12122 9507 12806 10040 14453 11336

23°F 13281 10418 14206 11143 16277 12766

32°F 14113 11069 14909 11693 16826 13193

41°F 14620 11467 15440 12109 17644 13835

50°F 14875 11666 15910 12478 18230 14294

59°F 16106 12631 17227 13510 18867 14793

68°F 18240 14306 19380 15197 20710 16243

77°F 18025 14139 19171 15037 20520 16096

86°F 17138 13440 18278 14338 19950 15647

95°F 16220 12721 17353 13607 19000 14902

104°F 15434 12105 16562 12991 18506 14517

113°F 15035 11791 16169 12676 18113 14203

122°F 14643 11483 15770 12368 17721 13895

129°F 14250 11175 15200 11919 17100 13414

Outdoor Ambient

Temperature

(DB) °F

Indoor Entering Air Temperatures

68F DB 73°F DB 80°F DB

57F WB 61°FWB 67°FWB

TC Power Input

(KW) COP TC Power Input

(KW) COP

-31°F 16500 4.80 1.01 16300 4.65 1.03 15900 4.63 1.01

-22°F 18902 4.89 1.13 18401 4.94 1.09 18030 4.95 1.07

-13°F 20698 4.96 1.22 20160 5.01 1.18 19762 5.02 1.15

-5°F 22479 3.28 2.01 21906 3.32 1.93 21482 3.43 1.84

0°F 22148 3.34 1.94 21565 3.38 1.87 21130 3.49 1.78

5°F 22251 3.17 2.06 21672 3.21 1.98 21245 3.31 1.88

10°F 22498 3.20 2.06 21913 3.24 1.98 21475 3.34 1.88

17°F 22072 3.18 2.03 21492 3.22 1.96 21053 3.32 1.86

19°F 21778 2.97 2.15 21478 3.01 2.09 21036 3.10 1.99

24°F 21108 3.08 2.01 20856 3.11 1.96 20478 3.21 1.87

32°F 20566 2.95 2.05 20339 2.98 2.00 20008 3.07 1.91

41°F 21375 2.73 2.30 21165 2.76 2.25 20848 2.84 2.15

43°F 21960 2.13 3.02 21750 2.16 2.96 21440 2.22 2.82

47°F 24000 2.18 3.23 23340 2.20 3.10 22846 2.27 2.94

53°F 24240 1.98 3.59 23573 2.00 3.45 23079 2.07 3.27

59°F 22316 2.00 3.27 21695 2.02 3.14 21236 2.09 2.98

64°F 22788 1.83 3.64 22160 1.85 3.50 21695 1.91 3.32

70°F 23220 1.86 3.66 22579 1.88 3.51 22100 1.94 3.33

75°F 23544 1.70 4.06 22896 1.72 3.90 22417 1.78 3.70

78°F 23760 1.72 4.06 23105 1.74 3.90 22619 1.79 3.70

Technical Information

Service Manual

Cooling

Heatling

MULTIU24HP230V1DO

Outdoor Ambient

Temperature (DB)

°F

Indoor Entering Air Temperatures

68F DB 73°F DB 80°F DB

57F WB 61°FWB 67°FWB

TC SHC TC SHC TC SHC

0°F 17067 13385 18044 14137 19870 15590

5°F 17664 13852 18674 14631 20564 16135

14°F 18502 14511 19546 15324 22059 17302

23°F 20271 15901 21682 17008 24843 19485

32°F 21541 16894 22756 17847 25682 20137

41°F 22315 17502 23566 18482 26931 21116

50°F 22704 17806 24284 19045 27825 21817

59°F 24582 19279 26293 20621 28797 22579

68°F 27840 21835 29580 23196 31610 24792

77°F 27511 21580 29261 22951 31320 24567

86°F 26158 20513 27898 21884 30450 23882

95°F 24756 19417 26487 20768 29000 22746

104°F 23558 18477 25278 19828 28246 22158

113°F 22949 17997 24679 19348 27647 21678

122°F 22349 17527 24070 18878 27047 21208

129°F 21750 17057 23200 18193 26100 20474

Outdoor Ambient

Temperature

(DB) °F

Indoor Entering Air Temperatures

68F DB 73°F DB 80°F DB

57F WB 61°FWB 67°FWB

TC Power Input

(KW) COP TC Power Input

(KW) COP

-31°F 21500 5.45 1.16 21000 5.50 1.12 20500 5.70 1.05

-22°F 24954 5.50 1.33 24292 5.57 1.28 23801 5.74 1.21

-13°F 27324 5.58 1.44 26614 5.64 1.38 26089 5.82 1.31

-5°F 31846 5.42 1.72 31034 5.48 1.66 30433 5.66 1.58

0°F 31376 5.51 1.67 30550 5.58 1.61 29933 5.75 1.52

5°F 31523 5.24 1.76 30703 5.30 1.70 30097 5.46 1.61

10°F 31872 5.29 1.77 31044 5.35 1.70 30423 5.52 1.62

17°F 31268 5.25 1.75 30448 5.31 1.68 29825 5.48 1.60

19°F 30852 4.91 1.84 30427 4.96 1.80 29802 5.12 1.71

24°F 29903 5.08 1.72 29546 5.14 1.68 29011 5.30 1.60

32°F 29135 4.86 1.76 28814 4.92 1.72 28344 5.07 1.64

41°F 30281 4.50 1.97 29984 4.55 1.93 29535 4.69 1.84

43°F 31110 3.52 2.59 30813 3.56 2.54 30373 3.67 2.42

47°F 34000 3.60 2.77 33065 3.64 2.66 32366 3.76 2.52

53°F 34340 3.27 3.08 33394 3.31 2.96 32695 3.41 2.81

59°F 31614 3.30 2.81 30734 3.34 2.70 30085 3.45 2.56

64°F 32283 3.03 3.12 31394 3.06 3.00 30734 3.16 2.85

70°F 32895 3.08 3.13 31987 3.11 3.01 31308 3.21 2.86

75°F 33354 2.81 3.48 32436 2.84 3.34 31757 2.93 3.17

78°F 33660 2.84 3.48 32732 2.87 3.34 32044 2.96 3.17

8Technical Information

Service Manual

Cooling

Heatling

MULTIU36HP230V1DO

Outdoor Ambient

Temperature (DB)

°F

Indoor Entering Air Temperatures

68F DB 73°F DB 80°F DB

57F WB 61°FWB 67°FWB

TC SHC TC SHC TC SHC

0°F 21827 16500 22800 18000 24000 19500

5°F 21927 17196 23181 18162 25527 20029

14°F 22968 18014 24264 19023 27384 21478

23°F 25164 19740 26916 21113 30840 24188

32°F 25758 45964 27663 49363 31994 57088

41°F 23613 65750 25520 71058 29746 82822

50°F 21549 81552 23437 88695 27533 104195

59°F 30516 23933 32640 25598 35748 28029

68°F 34560 27106 36720 28795 39240 30776

77°F 34152 26790 36324 28491 38880 30497

86°F 32472 25465 34632 27166 37800 29646

95°F 30732 24103 32880 25781 36000 28236

104°F 29244 22936 31380 24614 35064 27507

113°F 27744 21757 29880 23435 33576 26328

Outdoor Ambient

Temperature

(DB) °F

Indoor Entering Air Temperatures

68F DB 73°F DB 80°F DB

57F WB 61°FWB 67°FWB

TC Power Input

(KW) COP TC Power Input

(KW) COP

-31°F 23000 5.50 1.23 24000 5.72 1.23 24500 5.85 1.23

-22°F 25563 5.57 1.34 25910 5.73 1.33 24899 5.91 1.24

-13°F 28859 5.65 1.50 28373 5.81 1.43 27293 5.99 1.33

-5°F 33638 5.64 1.75 33072 5.79 1.67 31837 5.98 1.56

0°F 36089 5.73 1.85 35488 5.89 1.77 34105 6.08 1.64

5°F 36259 5.70 1.86 35648 5.86 1.78 34291 6.05 1.66

10°F 39753 5.76 2.02 39091 5.92 1.94 37581 6.11 1.80

17°F 41794 5.72 2.14 41097 5.88 2.05 39475 6.06 1.91

19°F 41758 5.50 2.23 41075 5.65 2.13 39443 5.83 1.98

24°F 40398 5.42 2.18 39787 5.58 2.09 38397 5.75 1.96

32°F 39260 5.19 2.22 38728 5.33 2.13 37514 5.50 2.00

41°F 40725 5.11 2.33 40247 5.26 2.24 39090 5.42 2.11

43°F 41822 5.10 2.40 41330 5.24 2.31 40199 5.41 2.18

47°F 45450 5.22 2.55 44663 5.36 2.44 42837 5.53 2.27

53°F 45900 4.74 2.84 45098 4.87 2.71 43272 5.03 2.52

59°F 42259 4.78 2.59 41513 4.92 2.47 39818 5.07 2.30

64°F 43158 4.39 2.88 42398 4.51 2.75 40678 4.65 2.56

70°F 43968 4.46 2.89 43208 4.58 2.76 41437 4.73 2.57

75°F 44588 4.07 3.21 43803 4.19 3.07 42031 4.32 2.85

78°F 44993 4.11 3.21 44208 4.22 3.07 42411 4.36 2.85

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