Chigo CCB-18HVR4 User manual

R3250Hz Universal Outdoor Series Technical Manual Outdoor Unit
I
GD Chigo Heating &Ventilation Equipment Co., Ltd.
R32 50Hz Universal Outdoor Series
Inverter type
Technical Manual
LCAC/2019.6

R32 50Hz Universal Outdoor Series Technical Manual
II
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Part 1. General Information.......................................................................................1
1.Nomenclature..................................................................................................................2
2.Model Names of Indoor/Outdoor Units........................................................................4
3.External Appearance......................................................................................................5
4.Features...........................................................................................................................7
Part 2. Indoor Unit......................................................................................................8
Round-Way Cassette Type........................................................................................8
1. Features ......................................................................................................................9
1.1 Standard round-flow cassette..................................................................................10
1.2 Compact 4-way cassette..........................................................................................13
2.1 Specificationof round-flow cassette.......................................................................14
2.2 Specification of compact 4-way cassette .............................................................18
3Dimension .................................................................................................................20
3.1 CCR-18HVR4,CCR-24HVR4..............................................................................20
3.2 CCR-36HVR4, CCR-36HVR4S, CCR-48HVR4, CCR-48HVR4S, CCR-55HVR4S..................21
4. Service Space ..........................................................................................................23
5. Wiring Diagrams.......................................................................................................25
6. Capacity Table..........................................................................................................28
7. Electric Characteristics...............................................................................................32
8.Exploded View...............................................................................................................33
8.1CCR-18HVR4，CCR-24HVR4....................................................................................................33
8.2CCR-36HVR4, CCR-36HVR4S...................................................................................................35
8.3CCR-48HVR4, CCR-48HVR4S, CCR-55HVR4..........................................................................37
8.4 CCB-18HVR4 .............................................................................................................................39
9. Accessories ..................................................................................................................41
10. The Specification of Wiring......................................................................................42
11. Field Wiring.................................................................................................................43
12. Trouble shooting........................................................................................................45
12.1 Fault codes table......................................................................................................................45
12.2 Wired controller spot check......................................................................................................47
Duct Type..................................................................................................................48
1. Features ....................................................................................................................49
1.1 Low ESP Ducted Unit .........................................................................................50
1.2 Medium ESP Ducted Unit...................................................................................51
2. Specification..............................................................................................................53
3. Dimensions...................................................................................................................57
4. Service Space ..........................................................................................................60
5. Wiring Diagrams.......................................................................................................61
5.1 CTA-18HVR4, CTA-24HVR4......................................................................................................61
5.2CTB-36HVR4, CTB-36HVR4S....................................................................................................62
5.3CTB-48HVR4, CTB-48HVR4S, CTB-55HVR4S .........................................................................63
6. Capacity Tables ...............................................................................................................64
7. Static Pressure.........................................................................................................68
7.1 CTA-18HVR4..............................................................................................................................68
7.2 CTA-24HVR4..............................................................................................................................68
Content

R32 50Hz Universal Outdoor Series Technical Manual
III
GD Chigo Heating & Ventilation Equipment Co., Ltd.
7.3 CTB-36HVR4, CTB-36HVR4S...................................................................................................69
7.4 CTB-48HVR4, CTB-48HVR4S, CTB-55HVR4S ........................................................................69
8. Electric Characteristics...............................................................................................70
9. Accessories ..................................................................................................................71
10. The Specification of Wiring......................................................................................72
11. Field Wiring...................................................................................................................73
12. Exploded View ..............................................................................................................74
12.1CTA-18HVR4, CTA-24HVR4.....................................................................................................74
12.2 CTB-36HVR4, CTB-36HVR4S.................................................................................................76
12.3 CTB-48HVR4, CTB-48HVR4S, CTB-55HVR4S ......................................................................77
13. Trouble shooting ...........................................................................................................79
13.1 Fault codes table......................................................................................................................79
13.2 Spot check ..........................................................................................................80
Floor & Ceiling.........................................................................................................81
1 Features.........................................................................................................................82
2 Specifications................................................................................................................84
3 Dimensions....................................................................................................................88
4 Service Space...............................................................................................................89
5 Wiring Diagrams...........................................................................................................90
6. Capacity Table..............................................................................................................94
7 Electric Characteristics................................................................................................98
8. Exploded View.............................................................................................................99
9 Accessories..................................................................................................................101
10 The Specification of Power.....................................................................................102
11 Field Wiring................................................................................................................103
12 Troubleshooting........................................................................................................104
12.1 Fault codes table....................................................................................................................104
12.2 Spot check ........................................................................................................105
Part 3 Outdoor Units..............................................................................................106
1 Specification................................................................................................................107
2Dimensions.............................................................................................................110
3 Service Space.............................................................................................................113
4 Wiring Diagrams.........................................................................................................114
5 Electric Characteristics..............................................................................................118
6 Operation Limits..........................................................................................................119
7.Sound Levels...............................................................................................................120
8. Exploded View........................................................................................................121
8.1 COU-18HDR4...........................................................................................................................121
8.2 COU-24HDR4...........................................................................................................................123
8.3 COU-36HDR4...........................................................................................................................125
8.4 COU-36HZDR4.........................................................................................................................127
8.5 COU-48HZDR4, COU-55HZDR4.............................................................................................129
9 Troubleshooting ..........................................................................................................131
9.1 Single phase unit......................................................................................................................131
9.2Three-phase unit........................................................................................................................133
Part 4 Installation...................................................................................................135
1. Precaution on Installation.........................................................................................136
2 Vacuum Dry and Leakage Checking.......................................................................137
3 Additional Refrigerant Charge...................................................................................139
4 Water Drainage...........................................................................................................140

R32 50Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
4.1 Gradient and Supporting...................................................................................140
4.2 Drainpipe Trap.................................................................................................140
4.3 Upwards drainage (drain pump).....................................................................141
4.4 Convergent drainage................................................................................................................141
4.5 Drainage test...................................................................................................142
5 Insulation Work ...........................................................................................................143
5.1 Insulation material and thickness......................................................................143
5.2 Refrigerant pipe insulation........................................................................................................143
5.3 Drainage pipe insulation...................................................................................144
5.4 Note...................................................................................................................144
6. Test Operation............................................................................................................145
Part 5 Controller.....................................................................................................146
1 Wireless Remote Controller...........................................................................................147
1.1 Instructions of remote controller...............................................................................................147
1.2 The icon meaning of remote controller.....................................................................................148
1.3 Button function of remote controller.........................................................................................149
1.4 Battery replacement .................................................................................................................153
2 Wired Controller..........................................................................................................154

R32 50Hz Universal Series Technical Manual
1
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Part1. General Information
1.Nomenclature..................................................................................... 2
2.Model Names of Indoor/Outdoor Units............................................... 4
3.External Appearance.......................................................................... 5
4.Features............................................................................................. 7
R32 50Hz Universal Outdoor series

R32 50Hz Universal Series Technical Manual
2
GD Chigo Heating & Ventilation Equipment Co., Ltd.
1. Nomenclature
1.1 Indoor unit
--
CC A T i 2 4 ECVR1 BDesign code
B: 2nd generation
Refrigerant type
-:R22 R1: R410a R4: R32
V: DC Inv
-: Fixed speed
E: Electrical auxiliary heater
Function code
C: Cooling only H: Heat pump
Capacity , Unit : kBtu/h
-: Match universal outdoor unit
i: Mach individual outdoor unit
Working condition
-: T1 condition T: T3 condition
Product series
CA: 4-way cassette
CB: Compact 4-way cassette
CR: Round-flow cassette
TA: Low ESP ducted
TB: Medium ESP ducted
TH: High ESP ducted
UA: Floor ceiling
FA: Floor standing
C: Chigo HVAC
S
S: Matching three-phase outdoor unit

R32 50Hz Universal Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
1.2 Outdoor unit
--
C3OU T2 4 C S VR1 BDesign code
B: 2nd generation
Refrigerant type
-:R22 R1: R410a R4: R32
V: DC Inv
-: Fixed speed
Function code:
C: Cooling only H:Heat pump
Power code
-: 220-240/1/50 S: 380/3/50
Z:380-415/3/50
N:208-230/1/60
Capacity , Unit : kBtu/h
Product series
OU: Universal type
OT: Top-discharge
OW: Non-universal type
Match Code
-: Unitary series
2: Multi 1 drives 2
3: Multi 1 drives 3
4: Multi 1 drives 4
5: Multi 1 drives 5
C: Chigo HVAC
Working condition
-: T1 condition T: T3 condition

R32 50Hz Universal Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
2. Model Names of Indoor/Outdoor Units
2.1 Indoor Units
Model name Dimension
(W×H×D) (mm) Net/Gross weight(kg) Power supply
CCB-18HVR4
565x267x565
16.5/21.5
220~240V-1Ph-50Hz
CCR-18HVR4
840×230×840
25/30
220~240V-1Ph-50Hz
CCR-24HVR4
840×230×840
25/30
220~240V-1Ph-50Hz
CCR-36HVR4
840×285×840
30.5/36
220~240V-1Ph-50Hz
CCR-36HVR4S
840×285×840
30.5/36
220~240V-1Ph-50Hz
CCR-48HVR4 840×285×840 29.5/35 220~240V-1Ph-50Hz
CCR-48HVR4S
840×285×840
29.5/35
220~240V-1Ph-50Hz
CCR-55HVR4S
840×285×840
29.5/35
220~240V-1Ph-50Hz
CTA-18HVR4
1214×210×467
22.5/25.5
220~240V-1Ph-50Hz
CTA-24HVR4
1214×210×467
25/28
220~240V-1Ph-50Hz
CTB-36HVR4
1425×260×643
46/50
220~240V-1Ph-50Hz
CTB-36HVR4S
1425×260×643
46/50
220~240V-1Ph-50Hz
CTB-48HVR4
1279×307×830
49/56
220~240V-1Ph-50Hz
CTB-48HVR4S
1279×307×830
49/56
220~240V-1Ph-50Hz
CTB-55HVR4S
1279×307×830
49/56
220~240V-1Ph-50Hz
CUA-18HVR4
1245×680×240
34/40
220~240V-1Ph-50Hz
CUA-24HVR4
1245×680×240
35/41
220~240V-1Ph-50Hz
CUA-36HVR4
1245×680×240
35/41
220~240V-1Ph-50Hz
CUA-36HVR4S 1245×680×240 35/41 220~240V-1Ph-50Hz
CUA-48HVR4
1670×680×245
49/56
220~240V-1Ph-50Hz
CUA-48HVR4S
1670×680×245
49/56
220~240V-1Ph-50Hz
CUA-55HVR4S 1670×680×245 49/56 220~240V-1Ph-50Hz
2.2 Outdoor Units
Model name Dimension
(W×H×D) (mm) Net/Gross weight(kg) Power supply
COU-18HDR4
925×700×366
42/45
220~240V-1Ph-50Hz
COU-24HDR4
958×843×392
52/62
220~240V-1Ph-50Hz
COU-36HDR4
1030×788×432
68/74
220~240V-1Ph-50Hz
COU-36HZDR4
1030×788×432
75/81
380~415V-3Ph-50Hz
COU-48HDR4
1014×1430×450
109/123.6
220~240V-1Ph-50Hz
COU-48HZDR4
1014×1430×450
109/123.6
380~415V-3Ph-50Hz
COU-55HZDR4
1014×1430×450
112/126.6
380~415V-3Ph-50Hz

R32 50Hz Universal Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
3. External Appearance
3.1 Indoor unit
Round-way Cassette Compact 4-way cassette
Low ESP Duct Middle ESP Duct for 36K
Middle ESP Duct for 48/55K
Floor & Ceiling

R32 50Hz Universal Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
3.2 Outdoor unit
COU-18HDR4
COU-24HDR4
COU-36HDR4, COU-36HZDR4
COU-48HDR4, COU-48HZDR4,
COU-55HZDR4

R32 50Hz Universal Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
4. Features
4.1 Wide operation range, -15 for cooling and -15 for heating.
4.2Excellent in efficiency, SCOP higher than 3.8, meet the EU’s new energy efficiency
standards.
4.3 High quality coils
The coil is constructed of advanced inner grooved copper tube and aluminum fins.
4.4 Low operation sound level: Well-known stable and quiet running DC fan motor.
4.5 Well-known compressor, GMCC and Mitsubishi.
4.6 Universal design: convenient for market stock and spare parts stock.
4.8 R32 is environment friendly refrigerant.
4.9 CE certification, ROHS certification.

R3250Hz Universal Outdoor Series Technical Manual
8
GD Chigo Heating & Ventilation Equipment Co., Ltd.
Part2. Indoor Unit
Round-Way Cassette Type
1.Features............................................................................................. 9
2.Specification..................................................................................... 14
3. Dimension ....................................................................................... 20
4.Service Space.................................................................................. 23
5. Wiring Diagrams.............................................................................. 25
6. Capacity Table................................................................................. 28
7. Electric Characteristics.................................................................... 32
8. Exploded View................................................................................. 33
9. Accessories ..................................................................................... 41
10. The Specification of Wiring............................................................ 42
11. Field Wiring.................................................................................... 43
12. Trouble shooting............................................................................ 45

R3250Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
1. Features
Standard round-way cassette
Compact 4-way cassette

R3250Hz Universal Outdoor Series Technical Manual
10
GD Chigo Heating & Ventilation Equipment Co., Ltd.
1.1 Standard round-flow cassette
(1) Brand-new panel design. Indoor unit use uniform panel, simple and convenient.
(2) Simple, featly and voguish appearance suit for different requirements, it’s mostly used for
office, shopping center, restaurant, meeting room and etc.
18kBtu/h~55kBtu/h, standard type, 950mm*950mm
(3) Ultra-thin body design, the min. height is only 230mm, save
installation space.
(4) Round air flow, cold air can reach each corner of the room, providing a stable and
comfortable environment.
(5) 3 fan speed，meet for different requirement.
(6) New streamlined fan design.
(7) Occupied a small installation space, saving interior space

R3250Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
(8) Easy and convenient installation and maintenance, washable filter design.
(9) Built-in water pump, water head up to 1200mm.
(10) Integrated electric control box, The E-box is safely covered by metal plate, for better
fire-resistance, save using.
(11) Add 4 interfaces in body, can be connected with duct to another room.Fresh air makes
air quality more healthy and comfortable.

R3250Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
(12) Multi protection and auto-restart function.
(13) Low operation sound level: Well-known stable and quiet running DC fan motor.
(14) Standard for wireless controller; option for wired controller.
Standard optional
(15) DC inverter motor, operate in ultra-low frequency in order to precisely control the
indoor temperature.

R3250Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
1.2 Compact 4-way cassette
（1）Compact type , ultra-thin body design, the Min height is 275mm,saving installation space
（2）Washable filter, convenient to install and maintain
（3）Streamlined design and 3D spiral fan blade reduces air resistance and operation noise
（4）Built-in water pump, pump head up to 700mm
（5）Foam water tray coated with special plastic convenient to install, preventing the leakage of
condensed water effectively.

R3250Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
2.1 Specification of round-flow cassette
Model CCR-18HVR4 CCR-24HVR4
Indoor power supply
V/Ph/Hz
220~240/1/50
220~240/1/50
Cooling
Capacity
KW
2.0-5.3-5.6
3.5-7.0-8.0
Power input W 420-1580-2100 600-2140-3000
Current input
A
2.1-10.1
2.5-13
EER
W/W
3.35
3.27
SEER
W/W
6.1
6.1
Heating
Capacity
KW
2.5-5.9-6.0
4.5-7.7-8.5
Input
W
500-1470-1940
620-1920-2600
Rated current
A
2.5-9.2
2.9-11
COP W/W 4.01 4.01
SCOP
W/W
4.0
4.0
Energy rate
Cooling
A++
A++
Energy rate Heating A+ A+
Max. power input
W
2400
3200
Max. current input
A
11.4
14
Indoor fan
motor
Model
DR-310-60Q-8
DR-310-60Q-8
Brand Panasonic Panasonic
Power output
W
60
60
Capacitor
μF
-
-
Speed r/min 850/790/600 850/790/600
Insulation class
E
E
Indoor coil
Number of rows
2
2
Tube pitch(a) x row pitch(b) mm 21×13.37 21×13.37
Fin spacing
mm
1.45
1.45
Fin type
Hydrophilic
Hydrophilic
Tube outside dia. and type mm
Ф7
Ф7
inner grooved
inner grooved
Coil length x height x width
mm
2000×168×26.74
2000×168×26.74
Number of circuits
8
8
Indoor air flow (High speed) m3/h 900/800/650 1100/1000/850
Indoor
noise level
power level
dB(A)
46~58
56
～
63
pressure level
36/41/45
43/46/49
Indoor unit
Dimension (W*H*D) Body(mm) 840×230×840 840×230×840
Panel(mm)
950×50×950
950×50×950
Packing (W*H*D)
Body(mm)
920×265×920
920×265×920
Panel(mm)
1030×105×1030
1030×105×1030
Net/Gross weight
Body(Kg)
25/30
25/30
Panel(Kg)
6.5/9.5
6.5/9.5
Max pressure
MPa
4.2
4.2
Refrigerant type R32 R32
Refrigerant
piping
Liquid side/Gas side mm Φ6.35/Φ12.7 Φ9.52/Φ15.88
Drainage pipe
mm
DN25
DN25
Standard controller
Standard for remote controller(wired controller for option)
Operation temp
°C
16
～
32
16
～
32
Ambient
temp
cooling
°C
-15
～
50
-15
～
50
heating °C -15～30 -15～30

R3250Hz Universal Outdoor Series Technical Manual
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GD Chigo Heating & Ventilation Equipment Co., Ltd.
Model CCR-36HVR4 CCR-36HVR4S
Indoor power supply
V/Ph/Hz
220~240/1/50
220~240/1/50
Cooling
Capacity
KW
6.6-10.5-12.8
6.6-10.5-12.8
Power input W 740-3150-3900 740-3150-3900
Current input
A
2.8-13.6-20
1.8-8.0-10
EER
W/W
3.33
3.33
SEER
W/W
6.1
6.1
Heating
Capacity
KW
7.35-11.5-13.2
7.35-11.5-13.2
Input
W
1100-3375-4000
1100-3375-4000
Rated current
A
4.2-14.7-20.4
2.8-7.8-10.2
COP W/W 3.09 3.09
SCOP
W/W
4.0
4.0
Energy rate
Cooling
A++
A++
Energy rate Heating A+ A+
Max. power input
W
4800
4800
Max. current input
A
26
10.3
Indoor fan
motor
Model
DR-310-100Q-8
DR-310-100Q-8
Brand
Panasonic
Panasonic
Power output
W
100
100
Capacitor
μF
-
-
Speed r/min 840/750/650 840/750/650
Insulation class
E
E
Indoor coil
Number of rows
2
2
Tube pitch(a) x row pitch(b) mm 21×13.37 21×13.37
Fin spacing
mm
1.45 1.45
Fin type
Hydrophilic
Hydrophilic
Tube outside dia. and type mm
Ф7
Ф7
inner grooved
inner grooved
Coil length x height x width
mm
2000×252×26.74 2000×252×26.74
Number of circuits
12
12
Indoor air flow (High speed) m3/h 1800/1700/1550 1800/1700/1550
Indoor
noise level
power level
dB(A)
53
～
61
53
～
61
pressure level
43/45/48
43/45/48
Indoor unit
Dimension (W*H*D) Body(mm) 840×285×840 840×285×840
Panel(mm)
950×50×950
950×50×950
Packing (W*H*D)
Body(mm)
920×310×920
920×310×920
Panel(mm)
1030×105×1030
1030×105×1030
Net/Gross weight
Body(Kg)
30.5/36
30.5/36
Panel(Kg)
6.5/9.5
6.5/9.5
Max pressure
MPa
4.2
4.2
Refrigerant type R32 R32
Refrigerant
piping
Liquid side/Gas side mm Φ9.52/Φ15.88 Φ9.52/Φ15.88
Drainage pipe
mm
DN25
DN25
Standard controller
Standard for remote controller(wired controller for
option)
Operation temp
°C
16
～
32
16
～
32
Ambient
temp cooling °C -15～50 -15～50
heating
°C
-15
～
30
-15
～
30

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GD Chigo Heating & Ventilation Equipment Co., Ltd.
Model
CCR-48HVR4
CCR-48HVR4S
Indoor power supply
V/Ph/Hz
220~240/1/50
220~240/1/50
Cooling
Capacity KW 7.0-14.0-15.5 7.0-14.0-15.5
Power input
KW
1.1-4.95-5. 8
1.1-4.95-5. 8
Current input
A
3-24-28
2.8-14-14.6
EER
W/W
2.83
2.83
Heating
Capacity
KW
8.0-15.2-16.0
8.0-15.2-16.0
Input
KW
1.2-4.92-6.0
1.2-4.92-6.0
Rated current
A
4-20.5-24
3-12-15
COP
W/W
3.09
3.09
Energy rate
Cooling
A++
A++
Energy rate
Heating
A+
A+
Max. power input W 5700 5700
Max. current input
A
28
15
Indoor fan
motor
Model
DR-310-100Q-8
DR-310-100Q-8
Brand Panasonic Panasonic
Power output
W
100
100
Capacitor
μF
-
-
Speed
r/min
850/750/650
850/750/650
Insulation class
E
E
Indoor coil
Number of rows
3
3
Tube pitch(a) x row pitch(b)
mm
21×13.37 21×13.37
Fin spacing mm 1.6 1.6
Fin type
Hydrophilic
Hydrophilic
Tube outside dia. and type mm
Ф7
Ф7
inner grooved
inner grooved
Coil length x height x width
mm
2000×252×40.01 2000×252×40.01
Number of circuits
12
12
Indoor air flow (High speed)
m3/h
1900/1800/1600
1900/1800/1600
Indoor
noise level
power level
dB(A)
56-63
56-63
pressure level
45~52
45~52
Indoor unit
Dimension (W*H*D) Body(mm) 840×285×840 840×285×840
Panel(mm) 950×50×950 950×50×950
Packing (W*H*D)
Body(mm)
920×310×920
920×310×920
Panel(mm)
1030×105×1030
1030×105×1030
Net/Gross weight
Body(Kg)
30.5/36
30.5/36
Panel(Kg)
6.5/9.5
6.5/9.5
Max pressure MPa 4.5 4.5
Refrigerant type
R32
R32
Refrigerant
piping
Liquid side/Gas side mm Φ9.52/Φ15.88 Φ9.52/Φ15.88
Drainage pipe
mm
DN25
DN25
Standard controller
Standard for remote controller(wired controller
for option)
Operation temp °C 16～32 16～32
Ambient
temp
cooling
°C
-15
～
50
-15
～
50
heating
°C
-15
～
30
-15
～
30