Chigo CMV-V64T9AD User manual

DC Inverter Split Air-Condition Unit
SERVICE MANUAL

Table of Contents
1. The model and the air conditioning unit parameters...........................................................
2. Units operating working conditions and temperature range ............................................
3. Units characteristic..................................................................................................................
4. Indoor and outdoor units size.................................................................................................
5. Indoor and outdoor unit explosion diagram and spare parts list .......................................
6. The analysis of indoor malfunction code..............................................................................
7. The analysis of the complete units malfunction code.........................................................

1．The model and the air conditioning unit parameters
1.1 the model.
1.2．the air conditioner’s parameter.

2 RATI NG COND I TIONS and Ope ra ting Limits
2. 1 RATING CONDITIONS
Standard conditions in accordance with ANSI/AHAM RAC-1-2003, and UL 484.
Cooling:
Indoor: 80oFDB 67oF WB
Outdoor: 95oF DB 75oF WB
Heating:
Indoor: 70 oF DB 60 oF WB
Outdoor: 47
oF DB 43 oF WB
2. 2 Op e r at in g L im i ts
Outdoor
Upper limit (DB) 110 oF
Cooling
Lower limit (DB) 5oF
Upper limit (DB) 75 oF
Heating
Lower limit (DB) 5oF
Voltage 1PH 230V

3、Uni ts c haracter is tic
☆ R410a
☆ Low noise level
☆ Wide operating range with outdoor air temperatures, cooling:5-46℃,heating:-15-24℃
☆ High efficiency and energy saving
☆ Air filters easy to remove and clean
☆ Twin rotary compressor
☆ Auto-restart after a power supply blackout
☆ Single-phase power supply thanks to DC inverter technology low consumption
☆ Dynamic refrigerant control by DC inverter compressor and circuit, electronic valve and fuzzy logic
managed by a powerful micro program
☆ EEV for each indoor unit

The new CMV is a high efficiency DC inverter technology outdoor unit，it can save electricity 62
℅ every year.
The compressors energy consumption graph .
COP (W/W)/2ND

The compressor’s condensing pressure graph .

Cooling Capacity (BTU)---Run Model,230V,Indoor fan at high speed
INDOOR ENTERING AIR DB/WB TEMPERATURE [0F]
OUTDOOR
ENTERING AIR DB
TEMPERATURE[0F]
DATA 72/59 75/63 81/66 84/70 90/73
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
14~68
(protection range)
PI 25 - 50 % of nominal
TC
11616
1
2336
13104
13872
14640
SC
10421
10603
10845
11027
11269
77
PI
0.72
0.73
0.75
0.76
0.77
TC
11040
11808
12576
13296
14064
SC
10118
10361
10542
10785
10966
86
PI
0.81
0.82
0.83
0.85
0.86
TC
10464
11232
12000
12768
13536
SC
9876
10058
10300
10542
10724
95
PI
0.88
0.90
0.92
0.93
0.94
TC
9936
10704
11424
12192
12960
SC
9634
9815
10058
10239
10482
104
PI
0.97
0.98
0.99
1.01
1.02
TC
9264
10032
10752
11520
12288
SC
9270
9512
9694
9936
10118
115
PI
1.07
1.08
1.09
1.11
1.13

Heating Capacity (KW)---Run Model,230V,Indoor fan at high speed
ID COIL ENTERING AIR DB TEMPERATURE [0F]
OD COILENTERING
AIR DB/WB TEM
PERATU RE[0F]
DATA 59 68 77
TC 8960 8260 7700
5/3 PI 0.66 0.73 0.80
TC 9940 9240 8680
14/10 PI 0.80 0.87 0.95
TC 10640 10080 9380
20/18 PI 0.91 0.97 1.04
TC 11060 10500 9800
30/28 PI 0.96 1.02 1.08
TC 11340 10640 10080
36/34 PI 0.99 1.06 1.12
TC 14560 14000 13440
45/43 PI 1.04 1.11 1.18
TC 15400 14840 14140
50/48 PI 1.11 1.18 1.25
TC 16240 15680 14980
59/54 PI 1.16 1.22 1.30
TC 85 - 105 % of nominal
59~75
(Protection Range) PI 80 - 120 % of nominal
L E G E N D
TC – Total Cooling Capacity, BTU SC – Sensible Capacity, BTU PI – Power Input, kW
WB – Wet Bulb Temp., (0F) DB – Dry Bulb Temp., (0F) ID – Indoor OD – Outdoor

Capacity Correction Factors
Cooling Capacity Ratio Vs. Outdoor Temperature
Heating Capacity Ratio Vs. Outdoor Temperature
Cooling Capacity Correction Factor
0
0.2
0.4
0.6
0.8
1
1.2
1.4
77 86 95 104 115
Outdoor Temp.(deg F)
Capacity Ratio
90/73
84/70
81/66
75/63
72/59
Heating Capacity Correction Factor
0
0.2
0.4
0.6
0.8
1
1.2
1.4
5 14 20 30 36 45 50 59
Outdoor Temp.(deg F)
Capacity Ratio
59
68
77

Capacity Correction Factor Due to Tubing Length (One Way)
Cooling
Heating

Pressure Curve
Suction Pressure Curve
Discharge Pressure Curve

ELECTRICAL D ATA
Model CMV-50V9A-S
Power Supply 1 PH, 230VAC,60Hz
Connected to Outdoor
Maximum Current 11.3A
Inrush Current 40A
Starting Current 1A
Circuit breaker 20A
Power supply wiring - No. x cross section 1 X 3 X 2.5 mm2
Interconnecting cable - No. x cross section 2 X 4 X 1 mm2
Model CMV-V64T9AD
Power Supply 1 PH, 230VAC,60Hz
Connected to Outdoor
Maximum Current 13.9A
Inrush Current 40A
Starting Current 1A
Circuit breaker 20A
Power supply wiring - No. x cross section 1 X 3 X 2.5 mm2
Interconnecting cable - No. x cross section 2 X 4 X 1 mm2

4. O U TLI NE DIME NS I ON O F O UTD OOR AN D IND OOR
4.1 Outline dimension of outdoor Units
CMV-50V9A-S
CMV-V64T9AD

4.2 The outdoor unit mounting dimensions .
the body’s dimension mounting dimensions
Dimension’s
Code
outdoor
unit’s type
A B C D E
CMV-50V9A-S 930 362 700 590 334
CMV-V64T9AD 958 388 835 600 358

4.3. The indoor unit mounting dimensions
the unit：mm
the body’s dimension mounting dimensions
Dimension’s
Code
Indoor
unit’s type
A B C D E F
CMV-V25G9A-A
790 270 180 490 / /
CMV-V32G9A-H 940 270 180 490 / /

5、The o utd o or u n it str u ct ur e e x pl o d ed vi e w .
5.1、The structure exploded view for CMV-50V9A-S

5.2 、The structure exploded view for CMV-V64T9AD .