Chigo CCA-18HVR1 User manual

R410A 50Hz Universal Outdoor Series
Inverter type
Technical Manual
Technical Dept./2016.6

R410A 50Hz Universal Outdoor Series Technical Manual
I
GUANGDONG 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
4-Way Cassette Type...........................................................................................8
1.Features ............................................................................................................... 9
2.Specification.......................................................................................................12
3. Dimension.......................................................................................................... 16
4.Service Space....................................................................................................18
5. Wiring Diagrams ................................................................................................19
6. Capacity Table....................................................................................................21
7. Electric Characteristics......................................................................................25
8. Exploded View ...................................................................................................26
9. Accessories........................................................................................................32
10. The Specification of Wiring..............................................................................33
11. Field Wiring ......................................................................................................34
12. Trouble shooting ..............................................................................................36
Duct Type.........................................................................................................37
1.Features .............................................................................................................38
2.Specification........................................................................................................42
3. Dimensions ........................................................................................................46
4.Service Space....................................................................................................48
5. Wiring Diagrams ................................................................................................49
6. Capacity Tables..................................................................................................54
7. Static Pressure................................................................................................... 60
8.Electric Characteristics.......................................................................................62
9. Accessories........................................................................................................63
10.The Specification of Wiring............................................................................... 64
11.Field Wiring .......................................................................................................65
12. Exploded View .................................................................................................66
13. Trouble shooting ..............................................................................................71
Floor & Ceiling..................................................................................................72
1.Features..............................................................................................................73
2.Specifications.....................................................................................................75
3.Dimensions .........................................................................................................80
4.Service Space.....................................................................................................81
5.Wiring Diagrams .................................................................................................82
6.Capacity Table.....................................................................................................84
7.Electric Characteristics.......................................................................................88
8. Exploded View ...................................................................................................89
Content

R410A 50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
9.Accessories.........................................................................................................91
10.The Specification of Power............................................................................... 92
11.Field Wiring .......................................................................................................93
12.Troubleshooting ................................................................................................94
Part 3. Outdoor Units...............................................................................................95
1.Specification........................................................................................................96
2.Dimensions .........................................................................................................99
3.Service Space...................................................................................................102
4.Wiring Diagrams ...............................................................................................103
5.Electric Characteristics.....................................................................................107
6.Operation Limits................................................................................................108
7.Sound Levels....................................................................................................109
8.Exploded View .................................................................................................. 110
9.Troubleshooting ................................................................................................ 114
Part 4. Installation..................................................................................................122
1. Precaution on Installation ................................................................................123
2.Vacuum Dry and Leakage Checking ................................................................124
3.Additional Refrigerant Charge ..........................................................................126
4.Water Drainage.................................................................................................127
5.Insulation Work .................................................................................................130
6. Test Operation..................................................................................................132
Part 5. Controller....................................................................................................133
1.Wireless Remote Controller..............................................................................134
2.Wire Controller..................................................................................................136

R410A 50Hz Universal Outdoor Series Technical Manual
1
GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
Part 1. General Information
1.Nomenclature.................................................................................. 2
2.Model Names of Indoor/Outdoor Units............................................ 4
3.External Appearance....................................................................... 5
4.Features.......................................................................................... 7
R410A 50Hz Universal Outdoor series

R410A 50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
1. Nomenclature
1.1 Indoor unit
--
C C A T i 2 4 ECVR1 BDesign code
B: 2nd generation
Refrigerant type
-:R22 R1: R410a
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
TA: Low ESP ducted
TB: Medium ESP ducted
TH: High ESP ducted
UA: Floor ceiling
C: Chigo HVAC

R410A 50Hz Universal Outdoor Series Technical Manual
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GUANGDONG 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
V: DC Inv
-: Fixed speed
Function code:
C: Cooling only H:Heat pump
Power code
-: 220~240/1/50 S: 380/3/50
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
C: Chigo HVAC
Working condition
-: T1 condition T: T3 condition

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GUANGDONG 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
CCA-18HVR1
840×230×840
25/30
220~240V-1Ph-50Hz
CCA-24HVR1
840×230×840
25/30
220~240V-1Ph-50Hz
CCA-36HVR1-A
840×285×840
30.5/36
220~240V-1Ph-50Hz
CCA-36HVR1-B
840×285×840
30.5/36
220~240V-1Ph-50Hz
CCA-48HVR1
840×285×840
29.5/35
220~240V-1Ph-50Hz
CCA-60HVR1
840×285×840
29.5/35
220~240V-1Ph-50Hz
CTA-18HVR1
1214×210×467
22.5/25.5
220~240V-1Ph-50Hz
CTA-24HVR1
1214×210×467
25/28
220~240V-1Ph-50Hz
CTB-36HVR1-A
1425×260×643
46/50
220~240V-1Ph-50Hz
CTB-36HVR1-B
1425×260×643
46/50
220~240V-1Ph-50Hz
CTB-48HVR1
1425×260×643
45/50
220~240V-1Ph-50Hz
CTB-60HVR1
1425×260×643
45/50
220~240V-1Ph-50Hz
CTH-48HVR1
1175×370×625
47/51
220~240V-1Ph-50Hz
CTH-60HVR1
1175×370×625
47/51
220~240V-1Ph-50Hz
CUA-18HVR1
1245×680×240
34/40
220~240V-1Ph-50Hz
CUA-24HVR1
1245×680×240
35/41
220~240V-1Ph-50Hz
CUA-36HVR1-A
1245×680×240
35/41
220~240V-1Ph-50Hz
CUA-36HVR1-B
1245×680×240
35/41
220~240V-1Ph-50Hz
CUA-48HVR1
1670×680×240
49/55.5
220~240V-1Ph-50Hz
CUA-60HVR1
1670×680×240
49/55.5
220~240V-1Ph-50Hz
2.2 Outdoor Units
Model name
Dimension
(W×H×D) (mm)
Net/Gross
weight(kg)
Power supply
COU-18HDR1
925×700×366
45/49
220~240V-1Ph-50Hz
COU-24HDR1
958×843×392
59/69
220~240V-1Ph-50Hz
COU-36HDR1-A
1050×995×347
84/95.5
220~240V-1Ph-50Hz
COU-36HZDR1
1050×995×347
86.7/97.7
380~415V-3Ph-50Hz
COU-48HZVR1
911×1330×400
96/104
380~415V-3Ph-50Hz
COU-60HZVR1
911×1330×400
96/104
380~415V-3Ph-50Hz

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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
3. External Appearance
3.1 Indoor unit
4-way Cassette
Low ESP Duct
Middle ESP Duct
Floor & Ceiling
High ESP Duct

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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
3.2 Outdoor unit
COU-18HDR1
COU-24HDR1
COU-36HDR1-A, COU-36HZDR1
COU-48HZVR1, COU-60HZVR1

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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
4. Features
4.1 Wide operation range, -5 for cooling and -15 for heating.
4.2 Excellent 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 R410A environment friendly refrigerant.
4.9 CE certification, ROHS certification.

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
Part 2. Indoor Unit
4-Way Cassette Type
1.Features.......................................................................................... 9
2.Specification.................................................................................. 12
3. Dimension .................................................................................... 16
4.Service Space............................................................................... 18
5. Wiring Diagrams........................................................................... 19
6. Capacity Table.............................................................................. 21
7. Electric Characteristics................................................................. 25
8. Exploded View.............................................................................. 26
9. Accessories .................................................................................. 32
10. The Specification of Wiring......................................................... 33
11. Field Wiring................................................................................. 34
12. Trouble shooting......................................................................... 36

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
1. Features
(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~60kBtu/h, standard type, 950mm*950mm
(3) Ultra-thin body design, the min. height is only 230mm, save
installation space.
(4) 4-way 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.

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
(6) New streamlined fan design.
(7) Occupied a small installation space, saving interior space
(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.

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
(11) Add 4 interfaces in body, can be connected with duct to another room. Fresh air
makes air quality more healthy and comfortable.
(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 and to precisely control the indoor
temperature.

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
2. Specification
Model
CCA-18HVR1
CCA-24HVR1
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
420-1590-1840
600-2150-3000
Current input
A
1.8-7.3-7.8
2.5-9.8-13
EER
W/W
3.33
3.26
SEER
W/W
5.6
5.6
Heating
Capacity
KW
3.0-5.9-6.0
4.5-7.7-8.5
Input
W
640-1435-1640
1500-2075-2600
Rated current
A
3-6.5-8.0
5.5-9.5-11
COP
W/W
4.12
3.72
SCOP
W/W
4.0
4.0
Energy rate
Cooling
A+
A+
Energy rate
Heating
A+
A+
Max. power input
W
2000
3200
Max. current input
A
10
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)
5.4/8.0
5.4/8.0
Max pressure
MPa
3.8
3.8
Refrigerant type
R410A
R410A
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
-5～50
-5～50
heating
°C
-15～30
-15～30

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
Model
CCA-36HVR1-A
CCA-36HVR1-B
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
740-3275-4600
740-3275-4600
Current input
A
2.8-13.6-24.8
1.2-8.0-10
EER
W/W
3.21
3.21
SEER
W/W
5.1
5.1
Heating
Capacity
KW
7.35-11.5-13.2
7.35-11.5-13.2
Input
W
1100-3200-4150
1100-3200-4150
Rated current
A
4.2-14.7-21.4
1.5-7.8-9
COP
W/W
3.59
3.59
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)
5.4/8.0
5.4/8.0
Max pressure
MPa
3.8
3.8
Refrigerant type
R410A
R410A
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
-5～50
-5～50
heating
°C
-15～30
-15～30

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
Model
CCA-48HVR1
CCA-60HVR1
Indoor power supply
V/Ph/Hz
220~240/1/50
220~240/1/50
Cooling
Capacity
KW
14.0(7.15-15.6)
16.0(7.8-17.5)
Power input
W
4.78(1.22-5.58)
5.33(1.9-6.1)
Current input
A
8.6
9.6
EER
W/W
2.93
3
Heating
Capacity
KW
15.2(8.0-17.2)
17.6(8.5-19.5)
Input
W
4.23(1.2-5.28)
4.96(2.0-6.5)
Rated current
A
7.7
9
COP
W/W
3.59
3.55
Energy rate
Cooling
A
A
Energy rate
Heating
A
A
Max. power input
W
6100
6800
Max. current input
A
11
12.8
Indoor fan
motor
Model
YDK-75Q-6P3-1
YDK-75Q-6P3-1
Brand
Chigo
Chigo
Power output
W
75
75
Capacitor
μF
5
5
Speed
r/min
850/750/650
850/750/650
Insulation class
B
B
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
2000×252×26.74
2000×252×26.74
Number of circuits
6
6
Indoor air flow (High speed)
m3/h
1900
1900
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)
29.5/35
29.5/35
Panel(Kg)
5.4/8.0
5.4/8.0
Max pressure
MPa
4.5
4.5
Refrigerant type
R410A
R410A
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
-5～50
-5～50
heating
°C
-15～30
-15～30

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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
Notes:
1. Nominal cooling capacities are based on the following conditions:
Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB; Equivalent ref. piping: 5m (horizontal)
2. Nominal heating capacities are based on the following conditions:
Indoor temp: 20°CDB; Outdoor temp: 7°CDB, 6°CWB; Equivalent ref. piping: 5m (horizontal)
3. Actual noise level may differ, depending on the room structure, etc., since these noise values are from an
anechoic room.

R410A50Hz Universal Outdoor Series Technical Manual
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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
3. Dimension
3.1 CCA-18HVR1, CCA-24HVR1

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GUANGDONG CHIGO HEATING & VENTILATION EQUIPMENT CO., LTD.
3.2 CCA-36HVR1-A, CCA-36HVR1-B, CCA-48HVR1, CCA-60HVR1