VESSER WGC18IT/GC18IT User manual

Service Manual
R410A
Vidicon Ltd. Commercial Air Conditioners
R410A Systems
Models: WGC18IT/GC18IT
WGC24IT/GC24IT

WGC-IT / GC-IT Model: 18 - 24
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Table of Contents
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3DUWĉ7HFKQLFDO,QIRUPDWLRQ .......................................................................1
6XPPDU\ ......................................................................................................................1
6SHFL¿FDWLRQV ..........................................................................................................2
2.1 Specification Sheet ...........................................................................................................2
2.2 Operation Characteristic Curve ........................................................................................6
2.3 Capacity Variation Ratio According to Temperature .........................................................6
2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................7
2.5 Noise Curve ......................................................................................................................7
2XWOLQH'LPHQVLRQ'LDJUDP .........................................................................................8
3.1 Indoor Unit ........................................................................................................................8
3.2 Outdoor Unit .....................................................................................................................9
5HIULJHUDQW6\VWHP'LDJUDP ....................................................................10
(OHFWULFDO3DUW.........................................................................................................11
5.1 Wiring Diagram ...............................................................................................................11
5.2 PCB Printed Diagram .....................................................................................................13
)XQFWLRQDQG&RQWURO ......................................................................................15
6.1 Remote Controller Introduction .....................................................................................15
6.2 Brief Description of Modes and Functions ......................................................................19
3DUWĊ,QVWDOODWLRQDQG0DLQWHQDQFH .................................................25
1RWHVIRU,QVWDOODWLRQDQG0DLQWHQDQFH ..........................................25
,QVWDOODWLRQ ................................................................................................................27
8.1 Installation Dimension Diagram ......................................................................................27
8.2 Installation Parts-checking ............................................................................................29
8.3 Selection of Installation Location ....................................................................................29
8.4 Electric Connection Requirement ...................................................................................29
8.5 Installation of Indoor Unit ................................................................................................29
8.6 Installation of Outdoor Unit .............................................................................................32
8.7 Vacuum Pumping and Leak Detection ...........................................................................33
8.8 Check after Installation and Test Operation ...................................................................33

WGC-IT / GC-IT Model: 18 - 24
6HUYLFH0DQXDO
Table of Contents
0DLQWHQDQFH ............................................................................................................34
9.1 Malfunction Display of Indoor Unit ..................................................................................34
9.2 Troubleshooting for Main Malfunction ............................................................................36
9.3 Troubleshooting for Normal Malfunction .........................................................................53
([SORGHG9LHZDQG3DUWV/LVW ..............................................................55
10.1 Indoor Unit ....................................................................................................................55
10.2 Outdoor Unit .................................................................................................................59
5HPRYDO3URFHGXUH .......................................................................................63
11.1 Removal Procedure of Intdoor Unit ..............................................................................63
11.2 Removal Procedure of Outdoor Unit ............................................................................69
$SSHQGL[ ........................................................................................................................81
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................81
Appendix 2: Configuration of Connection Pipe .....................................................................81
Appendix 3: Pipe Expanding Method ...................................................................................82
Appendix 4: List of Resistance for Temperature Sensor ......................................................83

WGC-IT / GC-IT Model: 18 - 24

Technical Information
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GC 18 IT
GC 24 IT
WGC 18 IT
WGC 24 IT
5HPRWH&RQWUROOHU
YB1F2(XFAN)
FAN
AUTO
OPER
HEALTH
AIR
FILTER
TURBO
ON/OFF
X-FAN
HOUR
HUMIDITY
ON/OFF
MODE
FAN
X-FAN
TURBO
TEMP TIMER
SLEEP LIGHT

WGC-IT / GC-IT Model: 18 - 24
Technical Information
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Parameter Unit
Model
Product Code
Power
Supply
Rated Voltage V~
Rated Frequency Hz
Phases
Power Supply Mode
Cooling Capacity(Min~Max) W
Heating Capacity(Min~Max) W
Cooling Power Input(Min~Max) W
Heating Power Input(Min~Max) W
Cooling Current Input A
Heating Current Input A
Rated Input W
Rated Current A
Air Flow Volume(SH/H/M//L/SL) m3/h
Dehumidifying Volume L/h
EER W/W
COP W/W
SEER W/W
HSPF W/W
Application Area m2
Indoor
Unit
Indoor Unit Model
Indoor Unit Product Code
Fan Type
Fan Diameter Length(DXL) mm
Cooling Speed(SH/H/M//L/SL) r/min
Heating Speed(SH/H/M//L/SL) r/min
Fan Motor Power Output W
Fan Motor RLA A
Fan Motor Capacitor μF
Evaporator Form
Evaporator Pipe Diameter mm
Evaporator Row-fin Gap mm
Evaporator Coil Length (LXDXW) mm
Swing Motor Model
Swing Motor Power Output W
Fuse Current A
Sound Pressure Level(SH/H/M//L/SL) dB (A)
Sound Power Level(SH/H/M//L/SL) dB (A)
Dimension (WXHXD) mm
Dimension of Carton Box (LXWXH) mm
Dimension of Package(LXWXH) mm
Net Weight kg
Gross Weight kg
Value
WGC18IT-GC24IT
CB146036000
220-240
50
1
Outdoor
5275(1200~6200)
5570(1100~6000)
1675(380~2450)
1750(350~2600)
7.43
7.80
2650
11.80
800/680/560/460/-
1.8
3.15
3.18
5.60
/
23-34
WGC18IT
CB146N36000
Cross-flow
Ф98X650
1350/1100/950/800/-
1400/1200/1050/900/-
20
0.31
1.5
Aluminum Fin-copper Tube
Ф7
2-1.4
657X25.4X304.8
MP28VB
2
3.15
49/44/40/35/-
60/55/51/46/-
867X305X215
945X380X295
948X383X310
12
15
Value
WGC24IT-GC24IT
CB146035900
220-240
50
1
Outdoor
6450(2530~6550)
7000(2530~7600)
2180(600~2650)
2220(600~2800)
9.7
10.5
2800
12.5
1000/800/700/550/-
2.1
2.96
3.15
5.60
/
23-34
WGC24IT
CB146N35900
Cross-flow
Φ98X765
1350/1150/1000/850/-
1400/1200/1000/900/-
35
0.31
2.5
Aluminum Fin-copper Tube
Φ7
2-1.5
765X25.4X342.9
MP35XX
2.5
3.15
51/47/42/39/-
61/57/52/49/-
1007X315X219
1073X395X313
1076X398X328
14
17

WGC-IT / GC-IT Model: 18 - 24

Technical Information
6HUYLFH0DQXDO
Outdoor
Unit
Outdoor Unit Model
Outdoor Unit Product Code
Compressor Manufacturer
GC18IT
CB146W36000
ZHUHAI LANDA COMPRESSOR
CO.,LTD
Compressor Model QXA-B141zF030A
Compressor Oil 68EP
Compressor Type Rotary
Compressor LRA. A 25
Compressor RLA A 7.2
Compressor Power Input W 1440
Compressor Overload Protector 1NT11L-6233 or KSD115oC or
HPC115/95U1
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43
Heating Operation Ambient Temperature
Range ºC -15~24
Condenser Form Aluminum Fin-copper Tube
Condenser Pipe Diameter mm Ф7
Condenser Rows-fin Gap mm 2-1.4
Condenser Coil Length (LXDXW) mm 851X38.1X660
Fan Motor Speed rpm 750
Fan Motor Power Output W 60
Fan Motor RLA A /
Fan Motor Capacitor μF /
Outdoor Unit Air Flow Volume m3/h 3200
Fan Type Axial-flow
Fan Diameter mm Ф520
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
Sound Pressure Level (H/M/L) dB (A) 55/-/-
Sound Power Level (H/M/L) dB (A) 65-/-
Dimension(WXHXD) mm 963X700X396
Dimension of Carton Box (LXWXH) mm 1026X455X735
Dimension of Package(LXWXH) mm 1029X458X750
Net Weight kg 46
Gross Weight kg 50.5
Refrigerant R410A
Refrigerant Charge kg 1.3
Connection
Pipe
Connection Pipe Length m 5
Connection Pipe Gas Additional Charge g/m 20
Outer Diameter Liquid Pipe mm Ф6
Outer Diameter Gas Pipe mm Ф12
Max Distance Height m 10
Max Distance Length m 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.
GC24IT
CB146W35900
ZHUHAI LANDA COMPRESSOR
CO.,LTD
QXA-B141zF030A
68EP
Rotary
25
7.2
1440
1NT11L-6233 or KSD115oC or
HPC115/95U1
Capillary
16~30
-15~43
-15~24
Aluminum Fin-copper Tube
Φ7
2-1.4
984X38.1X748
800
90
/
/
4000
Axial-flow
Φ552
Automatic Defrosting
T1
I
IP24
4.3
2.5
58/-/-
68/-/-
1000X790X427
1080X485X840
1083X488X855
55.5
60.5
R410A
1.80
5
50
Φ6
Φ16
10
25

WGC-IT / GC-IT Model: 18 - 24
Technical Information
6HUYLFH0DQXDO
UnitParameter
Model
Product Code
Power
Supply
Rated Voltage V~
Rated Frequency Hz
W
W
W
W
A
A
W
A
m3/h
L/h
W/W
W/W
W/W
W/W
Phases
Power Supply Mode
Cooling Capacity(Min~Max)
Heating Capacity(Min~Max)
Cooling Power Input(Min~Max)
Heating Power Input(Min~Max)
Cooling Current Input
Heating Current Input
Rated Input
Rated Current
Air Flow Volume(SH/H/M//L/SL)
Dehumidifying Volume
EER
COP
SEER
HSPF
Application Area m2
Indoor
Unit
mm
r/min
r/min
W
A
μF
Indoor Unit Model
Indoor Unit Product Code
Fan Type
Fan Diameter Length(DXL)
Cooling Speed(SH/H/M//L/SL)
Heating Speed(SH/H/M//L/SL)
Fan Motor Power Output
Fan Motor RLA
Fan Motor Capacitor
Evaporator Form
Evaporator Pipe Diameter mm
Evaporator Row-fin Gap mm
mm
W
A
dB (A)
dB (A)
mm
mm
mm
kg
Evaporator Coil Length (LXDXW)
Swing Motor Model
Swing Motor Power Output
Fuse Current
Sound Pressure Level(SH/H/M//L/SL)
Sound Power Level(SH/H/M//L/SL)
Dimension (WXHXD)
Dimension of Carton Box (LXWXH)
Dimension of Package(LXWXH)
Net Weight
Gross Weight kg
Value
WGC18IT-GC18IT
CB146036000
220-240
50
1
Outdoor
5275(1200~6200)
5570(1100~6000)
1675(380~2450)
1750(350~2600)
7.43
7.80
2650
11.80
800/680/560/460/-
1.8
3.15
3.18
5.60
/
23-34
WGC18IT
CB146N36000
Cross-flow
Ф98X650
1350/1100/950/800/-
1400/1200/1050/900/-
20
0.31
1.5
Aluminum Fin-copper Tube
Ф7
2-1.4
657X25.4X304.8
MP28VB
2
3.15
49/44/40/35/-
60/55/51/46/-
867X305X215
945X380X295
948X383X310
12
15
Value
WGC24IT-GC24IT
CB146035900
220-240
50
1
Outdoor
6450(2530~6550)
7000(2530~7600)
2180(600~2650)
2220(600~2800)
9.7
10.5
2800
12.5
1000/800/700/550/-
2.1
2.96
3.15
5.60
/
23-34
WGC24IT
CB146N35900
Cross-flow
Φ98X765
1350/1150/1000/850/-
1400/1200/1000/900/-
35
0.31
2.5
Aluminum Fin-copper Tube
Φ7
2-1.5
765X25.4X342.9
MP35XX
2.5
3.15
51/47/42/39/-
61/57/52/49/-
1007X315X219
1073X395X313
1076X398X328
14
17

WGC-IT / GC-IT Model: 18 - 24

Technical Information
6HUYLFH0DQXDO
Outdoor
Unit
Outdoor Unit Model
Outdoor Unit Product Code
Compressor Manufacturer
GC18IT
CB146W36000
ZHUHAI LANDA COMPRESSOR
A
A
Compressor Model
Compressor Oil
Compressor Type
Compressor LRA.
Compressor RLA
Compressor Power Input W
Compressor Overload Protector
CO.,LTD
QXA-B141zF030A
68EP
Rotary
25
7.2
1440
1NT11L-6233 or KSD115oC or
HPC115/95U1
Throttling Method Capillary
Set Temperature Range ºC 16~30
Cooling Operation Ambient Temperature
Range ºC -15~43
-15~24
Heating Operation Ambient Temperature ºC
Range
Condenser Form
Condenser Pipe Diameter mm
Condenser Rows-fin Gap mm
Condenser Coil Length (LXDXW) mm
Fan Motor Speed rpm
Fan Motor Power Output W
Fan Motor RLA A
Fan Motor Capacitor μF
Outdoor Unit Air Flow Volume m3/h
Aluminum Fin-copper Tube
Ф7
2-1.4
851X38.1X660
750
60
/
/
3200
Axial-flow
Ф520
Automatic Defrosting
T1
I
IP24
Fan Type
Fan Diameter mm
Defrosting Method
Climate Type
Isolation
Moisture Protection
Permissible Excessive Operating Pressure MPa
for the Discharge Side 4.3
Permissible Excessive Operating Pressure
for the Suction Side MPa 2.5
Sound Pressure Level (H/M/L) dB (A)
Sound Power Level (H/M/L) dB (A)
Dimension(WXHXD) mm
Dimension of Carton Box (LXWXH) mm
Dimension of Package(LXWXH) mm
Net Weight kg
Gross Weight kg
Refrigerant
Refrigerant Charge kg
Connection
Pipe
Connection Pipe Length m
Connection Pipe Gas Additional Charge g/m
Outer Diameter Liquid Pipe mm
Outer Diameter Gas Pipe mm
Max Distance Height m
Max Distance Length m
55/-/-
65-/-
963X700X396
1026X455X735
1029X458X750
46
50.5
R410A
1.3
5
20
Ф6
Ф12
10
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.
GC24IT
CB146W35900
ZHUHAI LANDA COMPRESSOR
CO.,LTD
QXA-B141zF030A
68EP
Rotary
25
7.2
1440
1NT11L-6233 or KSD115oC or
HPC115/95U1
Capillary
16~30
-15~43
-15~24
Aluminum Fin-copper Tube
Φ7
2-1.4
984X38.1X748
800
90
/
/
4000
Axial-flow
Φ552
Automatic Defrosting
T1
I
IP24
4.3
2.5
58/-/-
68/-/-
1000X790X427
1080X485X840
1083X488X855
55.5
60.5
R410A
1.80
5
50
Φ6
Φ16
10
25

WGC-IT / GC-IT Model: 18 - 24
Technical Information
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0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110
80
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
11
10
9
8
7
6
5
4
3
2
1
0
Compressor speed (rps)
)A(tnerruC
220V
230V
240V
220V
230V
240V
Conditions
Indoor: DB27°C/WB19°C
Outdoor: DB35°C/WB24°C
Indoor air flow: High
Pipe length: 5m
Conditions
Indoor: DB20°C/WB15°C
Outdoor: DB7°C/WB6°C
Indoor air flow: High
Pipe length: 5m
Cooling Heating
32 33 34 35 36 37 38 39 43 –15 –10 –5
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
110
100
90
80
70
60
50
40
05710
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C) Outdoor temp.(°C)
Capacity ratio (%) Capacity ratio (%)
WGC18 IT
32 33 34 35 36 37 38 39 43
40 41 42
100
105
95
90
85
80
75
70
65
60
55
50
Conditions
Indoor:DB27°C/WB19°C
Indoor air flow:Super High
Pipe length: 5m
Outdoor temp.(°C)
Capacity ratio (%)
30
40
50
60
70
80
90
100
110
120
10750-5-10-15-20
Outdoor temp.(oC)
Capacity ratio(%)
Conditions
Indoor:DB20°C/WB15°C
Indoor air flow:Super High
Pipe length: 5m
WGC 24 IT
Heating
Heating
Cooling

WGC-IT / GC-IT Model: 18 - 24

Technical Information
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Rated cooling
condition(°C)
(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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
27/19 35/24 18K 0.9 to 1.1 12 to 14 75 to 37 Super High High 73
24K 80
Rated heating
condition(°C)
(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
frequency
(Hz)
Indoor Outdoor P (MPa) T1 (°C) T2 (°C)
20/15 7/6 18K 2.2 to 2.4 70 to 35 2 to 4 Super High High 75
24K 78
,QVWUXFWLRQ
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.
Cooling:
Heating:
1RLVH&XUYH
Indoor side noise when blowing Outdoor side noise when blowing
Indoor fan motor rotating speed Compressor frequency(Hz)
Noise/dB(A)
50
60
30
40
20
Low Middle High Super High
24K
18K
40
42
44
46
48
50
52
54
56
20 4030 50 60 70 80 90
Noise dB(A)
18&24K Cooling
18&24K Heating