Gree GWC30QF-D3DNB4G User manual

Models:
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Service Manual
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
GWC30LB-D3DNB2G
GWC30QF-D3DNB4G
GWH30LB-D3DNB2G
VIRU30HP230V1AH
GWH30QF-D3DNB4G
GWC36LB-D3DNB2G
GWC36QF-D3DNB4G
GWH36LB-D3DNB2G
GWH36LB-D3DNA5G
VIRU36HP230V1AH
GWH36QF-D3DNB4G
(Refrigerant R410A)

Service Manual
Table of contents
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................3
2.1 Specication Sheet...........................................................................................................3
2.2 Capacity Variation Ratio According to Temperature .........................................................9
2.3 Noise Curve....................................................................................................................10
2.4 Cooling and Heating Data Sheet in Rated Frequency ...................................................10
3. Outline Dimension Diagram...................................................................... 11
3.1 Indoor Unit......................................................................................................................11
3.2 Outdoor Unit ...................................................................................................................11
4. Refrigerant System Diagram....................................................................13
5. Electrical Part.........................................................................................................16
5.1 Wiring Diagram...............................................................................................................16
5.2 PCB Printed Diagram .....................................................................................................19
6. Function and Control......................................................................................22
6.1 Remote Controller Introduction of YAN1F6F ..................................................................22
6.2 Remote Controller Introduction of YV1FB9F..................................................................27
6.3 GREE+ App Operation Manual ......................................................................................31
6.4 Ewpe Smart App Operation Manual ...............................................................................32
6.5 Brief Description of Modes and Functions......................................................................33
Part Ⅱ: Installation and Maintenance .................................................36
7. Notes for Installation and Maintenance..........................................36
8. Installation................................................................................................................39
8.1 Installation Dimension Diagram......................................................................................39
8.2 Installation Parts-checking ............................................................................................41
8.3 Selection of Installation Location....................................................................................41
8.4 Requirements for electric connection .............................................................................41
8.5 Installation of Indoor Unit................................................................................................41
8.6 Installation of Outdoor Unit.............................................................................................44
8.7 Vacuum Pumping and Leak Detection ...........................................................................45
8.8 Check after Installation and Test Operation ...................................................................45

Service Manual
Table of contents Table of contents
9. Troubleshooting ..................................................................................................46
9.1 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ......................................46
9.2 How to Check Simply the Main Part...............................................................................55
9.3 Troubleshooting for Normal Malfunction.........................................................................71
10. Exploded View and Parts List ..............................................................73
10.1 Indoor Unit....................................................................................................................73
10.2 Outdoor Unit .................................................................................................................81
11. Removal Procedure.......................................................................................87
11.1 Removal Procedure of Indoor Unit ...............................................................................87
11.2 Removal Procedure of Outdoor Unit ............................................................................96
Appendix:......................................................................................................................107
Appendix 1: Reference Sheet of Celsius and Fahrenheit ..................................................107
Appendix 2: Conguration of Connection Pipe...................................................................107
Appendix 3: Pipe Expanding Method .................................................................................108
Appendix 4: List of Resistance for Temperature Sensor ....................................................109

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
Outdoor Unit:
Part Ⅰ: Technical Information
GWC30LB-D3DNB2G/I GWH30LB-
D3DNB2G/I GWC36LB-D3DNB2G/I
GWH36LB-D3DNB2G/I
VIRU30HP230V1AH
VIRU36HP230V1AH
GWH36LB-D3DNA5G/I
GWC30QF-D3DNB4G/I
GWH30QF-D3DNB4G/I
GWC36QF-D3DNB4G/I
GWH36QF-D3DNB4G/I
GWC30LB-D3DNA3G/O
VIRU30HP230V1AO
GWC36LB-D3DNA3G/O
VIRU36HP230V1AO

2Technical Information
Service Manual
Remote Controller:
YAN1F6FYV1FB9F
MODE
FAN
TIMER ON
TURBO
CLOCK
TEMP
IFEEL
ON/OFF
SWING
TIMER OFF
SLEEP
X-FAN
WIFI
VIRU36HP230V1AO
VIRU30HP230V1AO
A
Model List:
No Model Product code Indoor model Indoor product
code Outdoor model Outdoor product code
Remote
Controller
1GWC30LB-D3DNB2G CB433000102 GWC30LB-D3DNB2G/I CB433N00102 GWC30LB-D3DNA3G/O CB171W10700
YAN1F6F(WiFi)
2GWC30QF-D3DNB4G CB434005001 GWC30QF-D3DNB4G/I CB434N05001
3 GWC36LB-D3DNB2G CB433000302 GWC36LB-D3DNB2G/I CB433N00302 GWC36LB-D3DNA3G/O CB171W10900
4 GWC36QF-D3DNB4G CB434005102 GWC36QF-D3DNB4G/I CB434N05102
5GWH36LB-D3DNB2G CB433000402 GWH36LB-D3DNB2G/I CB433N00402
VIRU36HP230V1AO CB171W10800
6 GWH36LB-D3DNA5G CB169001002 GWH36LB-D3DNA5G/I CB169N01002 YV1FB9F(WiFi)
7GWH36QF-D3DNB4G CB434004901 GWH36QF-D3DNB4G/I CB434N04901
YAN1F6F(WiFi)
8VIRU36HP230V1AH CB432010100 VIRU36HP230V1AH CB432N10100 VIRU36HP230V1AO CB432W10100
9GWH30LB-D3DNB2G CB433000202 GWH30LB-D3DNB2G/I CB433N00202 VIRU30HP230V1AO CB171W10600
10 GWH30QF-D3DNB4G CB434004801 GWH30QF-D3DNB4G/I CB434N04801
11 VIRU30HP230V1AH CB432010000 VIRU30HP230V1AH CB432N10000 VIRU30HP230V1AO CB432W10000

3
Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWC30LB-D3DNB2G
GWC30QF-D3DNB4G
GWH30LB-D3DNB2G
GWH30QF-D3DNB4G
Product Code CB433000102
CB434005001
CB433000202
CB434004801
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 28000(9485~30026) 28000(9485~30026)
Heating Capacity(Min~Max) Btu/h / 28400(9997~32994)
Cooling Power Input(Min~Max) W 2700(350~3900) 2705(600~3900)
Heating Power Input(Min~Max) W /2800(650~4000)
Cooling Power Current A 11.5 11.5
Heating Power Current A /12
Rated Input W 3900 4000
Rated Current A 17 17
Rated Heating Current A /17.5
Air Flow Volume(SH/H/M/L) CFM 706/618/530/412 706/618/530/412
Dehumidifying Volume Pint/h 6.34 6.34
EER (Btu/h)/W 10.37 10.36
COP (Btu/h)/W / 10.14
SEER 18 18
SCOP /9
Application Area yd241.86-62.19 41.86-62.19
Indoor Unit
Model of indoor unit GWC30LB-D3DNB2G/I
GWC30QF-D3DNB4G/I
GWH30LB-D3DNB2G/I
GWH30QF-D3DNB4G/I
Indoor Unit Product Code CB433N00102
CB434N05001
CB433N00202
CB434N04801
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/4X20 9/16X2 Φ4 1/4X20 9/16X2
Fan Motor Cooling Speed (SH/H/M/L) r/min 1350/1150/950/850 1350/1150/950/850
Fan Motor Heating Speed (SH/H/M/L) r/min / 1350/1200/1000/800
Output of Fan Motor W 70 70
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ9/32
Row-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 42 9/32X1X15 42 9/32X1X15
Swing Motor Model MP24BA MP24BA
Output of Swing Motor W 1.5 1.5
Fuse A 3.15 3.15
Sound Pressure Level (SH/H/M/L) dB (A) 51/45/41/37 51/45/41/37
Sound Power Level (SH/H/M/L) dB (A) 61/55/51/47 61/55/51/47
Dimension (WXHXD) inch 53 9/64X12 53/64X9 61/64 53 9/64X12 53/64X9 61/64
Dimension of Carton Box (LXWXH) inch 56 39/64X16 29/64X13 55/64 56 39/64X16 29/64X13 55/64
Dimension of Package (LXWXH) inch 56 47/64X16 37/64X14 7/16 56 47/64X16 37/64X14 7/16
Net Weight Ib 41.9 41.9
Gross Weight Ib 51.8 51.8

4Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWC30LB-D3DNA3G/O VIRU30HP230V1AO
Outdoor Unit Product Code CB171W10700 CB171W10600
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPERSSOR
CO.LTD.
ZHUHAI LANDA COMPERSSOR
CO.LTD.
Compressor Model QXAS-D23zX090 QXAS-D23zX090
Compressor Oil RB68EP RB68EP
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) 40 40
Compressor RLA A 13.45 13.45
Compressor Power Input W 2450 2450
Overload Protector 1NT11L-6233 1NT11L-6233
Throttling Method Electron expansion valve+Capillary Electron expansion valve+Capillary
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~115 0~115
Ambient temp (heating) ºF /-4~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ5/16 Φ5/16
Rows-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 37 1/2X1 1/2X29 7/16 37 1/2X1 1/2X29 7/16
Fan Motor Speed rpm 795 795
Output of Fan Motor W 120 120
Fan Motor RLA A 0.45 0.45
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 2354 2354
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ21 21/32 Φ21 21/32
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Design Pressure(High) PSIG 550 550
Design Pressure(Low) PSIG 240 240
Sound Pressure Level (H/M/L) dB (A) 62/-/- 62/-/-
Sound Power Level (H/M/L) dB (A) 72/-/- 72/-/-
Dimension (WXHXD) inch 39 1/2X31 7/64X16 13/16 39 1/2X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 21/32X19 13/64X33 21/32 42 21/32X19 13/64X33 21/32
Net Weight Ib 152.1 154.3
Gross Weight Ib 163.1 165.4
Refrigerant R410A R410A
Refrigerant Charge oz 84.66 84.66
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.2 0.5
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ5/8 Φ5/8
Max Distance Height ft 32 3/16 32 3/16
Max Distance Length ft 98 27/64 98 27/64
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
Service Manual
Model GWC36LB-D3DNB2G
GWC36QF-D3DNB4G
GWH36LB-D3DNB2G
GWH36LB-D3DNA5G
GWH36QF-D3DNB4G
Product Code CB433000302
CB434005102
CB433000402
CB169001002
CB434004901
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 33600(7404~35997) 33600(7404~35997)
Heating Capacity(Min~Max) Btu/h / 34600(14979~35997)
Cooling Power Input(Min~Max) W 4100 4100(450~4300)
Heating Power Input(Min~Max) W /3800(560~4300)
Cooling Power Current A 17 17
Heating Power Current A /16.5
Rated Input W 4300 4300
Rated Current A 20 20
Rated Heating Current A /20
Air Flow Volume(SH/H/M/L) CFM 736/647/530/412 736/647/530/412
Dehumidifying Volume Pint/h 7.4 7.4
EER (Btu/h)/W 8.20 8.20
COP (Btu/h)/W / 9.11
SEER 18.00 18.00
SCOP /9.00
Application Area yd255.01-83.72 55.01-83.72
Indoor Unit
Model of indoor unit GWC36LB-D3DNB2G/I
GWC36QF-D3DNB4G/I
GWH36LB-D3DNB2G/I
GWH36LB-D3DNA5G/I
GWH36QF-D3DNB4G/I
Indoor Unit Product Code CB433N00302
CB434N05102
CB433N00402
CB169N01002
CB434N04901
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/4X20 9/16 Φ4 1/4X20 9/16
Fan Motor Cooling Speed (SH/H/M/L) r/min 1400/1250/1000/800 1400/1250/1000/800
Fan Motor Heating Speed (SH/H/M/L) r/min / 1400/1250/1050/850
Output of Fan Motor W 70 70
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ9/32
Row-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 42 9/32X1X15X2 42 9/32X1X15X2
Swing Motor Model MP24BA MP24BA
Output of Swing Motor W 1.5 1.5
Fuse A 5 5
Sound Pressure Level (SH/H/M/L) dB (A) 54/49/44/37 54/49/44/37
Sound Power Level (SH/H/M/L) dB (A) 64/59/54/47 64/59/54/47
Dimension (WXHXD) inch 53 9/64X12 53/64X9 61/64 53 9/64X12 53/64X9 61/64
Dimension of Carton Box (LXWXH) inch 56 39/64X16 29/64X13 55/64 56 39/64X16 29/64X13 55/64
Dimension of Package (LXWXH) inch 56 47/64X16 37/64X14 7/16 56 47/64X16 37/64X14 7/16
Net Weight Ib 41.9 41.9
Gross Weight Ib 51.8 51.8

6Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit GWC36LB-D3DNA3G/O(LC) VIRU36HP230V1AO(LCLH)
Outdoor Unit Product Code CB171W10900 CB171W10800
Compressor Manufacturer/Trademark
MITSUBISHI ELECTRIC
(GUANGZHOU)COMPRESSOR
CO. LTD
MITSUBISHI ELECTRIC
(GUANGZHOU)COMPRESSOR
CO. LTD
Compressor Model TNB306FPGMC TNB306FPGMC
Compressor Oil FV50S FV50S
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) 67.00 67.00
Compressor RLA A 17.5 17.5
Compressor Power Input W 3010 3010
Overload Protector CS01F272H01 CS01F272H01
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~109 0~109
Ambient temp (heating) ºF /-4~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ5/16 Φ5/16
Rows-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 37X1 3/4X30 37X1 3/4X30
Fan Motor Speed rpm 890 890
Output of Fan Motor W 170 170
Fan Motor RLA A 0.73 0.73
Fan Motor Capacitor μF / /
Air Flow Volume of Outdoor Unit CFM 2589 2589
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ21 21/32 Φ21 21/32
Defrosting Method / Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Design Pressure(High) PSIG 550 550
Design Pressure(Low) PSIG 240 240
Sound Pressure Level (H/M/L) dB (A) 65/-/- 65/-/-
Sound Power Level (H/M/L) dB (A) 75/-/- 75/-/-
Dimension (WXHXD) inch 39 1/2X31 7/64X16 13/16 39 1/2X31 7/64X16 13/16
Dimension of Carton Box (LXWXH) inch 42 1/2X19X33 42 1/2X19X33
Dimension of Package (LXWXH) inch 42 21/32X19 13/64X33 21/32 42 21/32X19 13/64X33 21/32
Net Weight Ib 154.3 161.0
Gross Weight Ib 165.4 172.0
Refrigerant R410A R410A
Refrigerant Charge oz 84.66 91.71
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.5 0.5
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ5/8 Φ5/8
Max Distance Height ft 32 3/16 32 3/16
Max Distance Length ft 98 27/64 98 27/64
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
Service Manual
Model VIRU36HP230V1AH VIRU30HP230V1AH
Product Code CB432010100 CB432010000
Power Supply
Rated Voltage V~ 208/230 208/230
Rated Frequency Hz 60 60
Phases 1 1
Power Supply Mode Outdoor Outdoor
Cooling Capacity(Min~Max) Btu/h 33000(30700~40900) 28000(5500~30700)
Heating Capacity(Min~Max) Btu/h 34600(16700~49400) 28700(4300~35200)
Cooling Power Input(Min~Max) W 3220(500~4100) 2500(420~3650)
Heating Power Input(Min~Max) W 3100(1000~7000) 2700(520~5800)
Cooling Power Current A 14.7 11.4
Heating Power Current A 14.2 12.4
Rated Input W 7000 5800
Rated Current A 19 17
Rated Heating Current A 30 25
Air Flow Volume(SH/H/M/L) CFM 824/706/589/441 824/706/589/441
Dehumidifying Volume Pint/h 7.4 6.34
EER (Btu/h)/W 10.25 11.2
COP (Btu/h)/W 11.16 10.63
SEER 23 23
SCOP / /
Application Area yd255.01-83.72 41.86-62.19
Indoor Unit
Model of indoor unit VIRU36HP230V1AH VIRU30HP230V1AH
Indoor Unit Product Code CB432N10100 CB432N10000
Fan Type Cross-ow Cross-ow
Diameter Length(DXL) inch Φ4 1/4X20 9/16 Φ4 1/4X20 9/16
Fan Motor Cooling Speed (SH/H/M/L) r/min 1550/1300/1150/850 1550/1300/1150/850
Fan Motor Heating Speed (SH/H/M/L) r/min 1500/1300/1150/1000 1500/1300/1150/1000
Output of Fan Motor W 70 70
Fan Motor RLA A 0.4 0.4
Fan Motor Capacitor μF / /
Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ9/32 Φ9/32
Row-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 42 9/32X1X15 42 9/32X1X15
Swing Motor Model MP24BA MP24BA
Output of Swing Motor W 2 2
Fuse A 5 5
Sound Pressure Level (SH/H/M/L) dB (A) 54/49/44/37 54/49/44/37
Sound Power Level (SH/H/M/L) dB (A) 64/59/54/47 64/59/54/47
Dimension (WXHXD) inch 53 9/64X12 53/64X9 61/64 53 9/64X12 53/64X9 61/64
Dimension of Carton Box (LXWXH) inch 56 39/64X16 29/64X13 55/64 56 39/64X16 29/64X13 55/64
Dimension of Package (LXWXH) inch 56 47/64X16 37/64X14 7/16 56 47/64X16 37/64X14 7/16
Net Weight Ib 41.9 41.9
Gross Weight Ib 51.8 51.8

8Technical Information
Service Manual
Outdoor Unit
Model of Outdoor Unit VIRU36HP230V1AO VIRU30HP230V1AO
Outdoor Unit Product Code CB432W10100 CB432W10000
Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR
CO., LTD
ZHUHAI LANDA COMPRESSOR
CO., LTD
Compressor Model QXAW-F518zX440C QXFW-D318ZX035
Compressor Oil FV50S or equivalent FW68DA or equivalent
Compressor Type Rotary Rotary
Compressor Locked Rotor Amp (L.R.A) 36 30
Compressor RLA A 24±10% 23
Compressor Power Input W 5830±3% 3350±3%
Overload Protector / /
Throttling Method Electron expansion valve Electron expansion valve
Operation temp ºF 61~86 61~86
Ambient temp (cooling) ºF 0~109 0~109
Ambient temp (heating) ºF -31~75 -31~75
Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube
Pipe Diameter inch Φ5/16 Φ5/16
Rows-n Gap inch 2-1/16 2-1/16
Coil Length (LXDXW) inch 41 37/64X1 1/2×38 13/64 41 37/64X1 1/2×38 13/64
Fan Motor Speed rpm 940 850
Output of Fan Motor W 170 170
Fan Motor RLA A 0.73 0.73
Fan Motor Capacitor μF / 0
Air Flow Volume of Outdoor Unit CFM 3119 5300
Fan Type Axial-ow Axial-ow
Fan Diameter inch Φ21 21/32 Φ21 21/32
Defrosting Method Automatic Defrosting Automatic Defrosting
Climate Type T1 T1
Isolation I I
Moisture Protection IPX4 IPX4
Design Pressure(High) PSIG 550 550
Design Pressure(Low) PSIG 240 240
Sound Pressure Level (H/M/L) dB (A) 63/-/- 61/-/-
Sound Power Level (H/M/L) dB (A) 73/-/- 73/-/-
Dimension (WXHXD) inch 43 37/64X43 1/2X16 9/64 43 37/64X43 1/2X16 9/64
Dimension of Carton Box (LXWXH) inch 45 1/2X18 57/64X45 39/64 45 1/2X18 57/64X45 39/64
Dimension of Package (LXWXH) inch 45 39/64X19 X44 9/32 45 39/64X19 X44 9/32
Net Weight Ib 253.53 229.3
Gross Weight Ib 271.17 240.3
Refrigerant R410A R410A
Refrigerant Charge oz 123.5 123.5
Connection
Pipe
Length ft 24.6 24.6
Gas Additional Charge oz/ft 0.3 0.3
Outer Diameter Liquid Pipe inch Φ1/4 Φ1/4
Outer Diameter Gas Pipe inch Φ5/8 Φ5/8
Max Distance Height ft 98.4 98.4
Max Distance Length ft 164 164
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
Service Manual
2.2 Capacity Variation Ratio According to Temperature
Cooling Heating
90 95 100 105 110
100
105
95
90
85
80
75
70
65
60
55
50
Outdoor temp. (˚F
)O
utdoor temp. (˚F)
Capacity ratio (%)
Capacity ratio (%)
Conditions
Indoor:
Pipe length :
24.6ft
DB 80°F
WB66
°F
Indoor air flow: Super High
-4 514
110
100
90
80
70
60
50
40
23 32 41 50
Conditions
Indoor:DB
70°F
Indoor air flow:Super High
Pipe length:
24.6ft
0
20
40
60
80
100
120
140
0 14 23 32 59 68 77 86 95 104 109 115
0
20
40
60
80
100
120
140
-31-22 -13-4518 35 45 50 59 68
75
Capacity ratio (%) Capacity ratio (%)
Cooling Heating
Heating operation ambient temperature range is -4ºF~75ºF
Heating operation ambient temperature range is -31ºF~75ºF

10 Technical Information
Service Manual
2.4 Cooling and Heating Data Sheet in Rated Frequency
Rated cooling
condition(°F) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (PSIG) T1 (°F) T2 (°F)
80/66 95/- 30K 130~145 46.8 to 52.8 127 to 96.8 Super High High 46
80/66 95/- 36K 130~145 46.8 to 52.8 127 to 96.8 Super High High 37
Rated heating
condition(°F) (DB/WB) Model
Pressure of gas pipe
connecting indoor and
outdoor unit
Inlet and outlet pipe
temperature of heat
exchanger Fan speed of
indoor unit
Fan speed of
outdoor unit
Compressor
revolution
(rps)
Indoor Outdoor P (PSIG) T1 (°F) T2 (°F)
70/- 20/19 30K 507~550 134.4 to 102 36 to 39 Super High High 46
70/- 20/19 36K 507~550 134.4 to 102 36 to 39 Super High High 34
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: 24.6ft.
Cooling:
Heating:
2.3 Noise Curve
30
40
50
60
LM
36K
30K
30K
HSH
Indoor fan motor rating speed
Noise/dB(A)
45
50
55
60
65
70
75
80
20 30 40 50 60 70 80 90 100
Compressor frequency(Hz)
Noise dB(A)
Indoor side noise Outdoor side noise
36K

11
Technical Information
Service Manual
53 9/64
12 53/64
10
11 19/32 3 1/2
1 37/64
13 25/32 1029 3/8
Φ2 3/4
Φ2 3/4
3. Outline Dimension Diagram
Unit:inch
3.2 Outdoor Unit
Unit:inch
14 37/64
31 7/64
16 13/16
15 9/16
39 1/2
24
36 2/9
3.1 Indoor Unit
GWC30LB-D3DNA3G/O VIRU30HP230V1AO
GWC36LB-D3DNA3G/O VIRU36HP230V1AO

12 Technical Information
Service Manual
A
14 1/6 40
43 1/2
43 37/64
24 5/6
16 9/64
Unit:inch
VIRU36HP230V1AO
VIRU30HP230V1AO

13
Technical Information
Service Manual
4. Refrigerant System Diagram
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electron
expansion
valve
Strainer
Electron
expansion
valve
Accumlator
Compressor
Capillary
Indoor unit Outdoor unit
Accumlator
COOLING
Discharge
Suction
Heat
exchanger
(evaporator)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Compressor
Strainer
Capillary
30K except :VIRU30HP230V1AH
Cooling only model
Cooling and heating model
Connection pipe specication:
Liquid pipe:1/4 inch
Gas pipe:5/8 inch

14 Technical Information
Service Manual
Cooling only model
36K except VIRU36HP230V1AH :
Cooling and heating model
Indoor unit Outdoor unit
COOLING
HEATING
4-Way valve
Discharge
Suction
Heat
exchanger
(evaporator) Heat
exchanger
(condenser)
Heat
exchanger
(condenser)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Strainer Electron
expansion
valve
Strainer
Electron
expansion
valve
Accumlator
Compressor
Indoor unit Outdoor unit
Accumlator
COOLING
Discharge
Suction
Heat
exchanger
(evaporator)
Valve
Valve
Liquid pipe
side
Gas pipe
side
Compressor
Strainer
Connection pipe specication:
Liquid pipe:1/4 inch
Gas pipe:5/8 inch

15
Technical Information
Service Manual
VIRU36HP230V1AH VIRU30HP230V1AH
Connection pipe specication:
Liquid pipe:1/4 inch
Gas pipe:5/8 inch
Electronic
expansion
valve A
Electronic
expansion
valve B
Unloading valve
Flash vaporizer
Outdoor evaporator
4-way valve
Solenoid valve
(high pressure)
Solenoid valve
(low pressure)
Indoor evaporator
Air injection
Compressor
Variable
volume
Gas-liquid
separator
Gas-liquid
separator
COOLING
HEATING

16 Technical Information
Service Manual
5. Electrical Part
5.1 Wiring Diagram
● Indoor Unit
● 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.
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