Vivax ACP-18COFM50AECI User manual

EN
Service manual
ACP-18COFM50AECI
ACP-27COFM79AECI
ACP-28COFM82AECI
ACP-36COFM105AECI
ACP-41COFM123AECI

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CONTENTS
1. General information of Outdoor Units...........................................3
2. Features............................................................................................4
3. Dimensions......................................................................................5
4. Wiring Diagram..............................................................................12
5. Refrigeration Cycle Diagram........................................................16
6. Indoor units combination .............................................................19
7. Sound Levels.................................................................................22
8. Installation Details.........................................................................23
9. Electronic control function...........................................................34
10. Troubleshooting ..........................................................................40

1. General information of Outdoor Units
Model name Dimension (mm) Compressor
ACP-18COFM50AECI 845x320x700 DA150S1C-20FZ
ACP-27COFM79AECI 900x315x860 DA250S2C-30MT
ACP-28COFM82AECI 900x315x860 DA250S2C-30MT
ACP-36COFM105AECI 990x345x965 TNB306FPGMC-L
ACP-41COFM123AECI 990x345x965 MNB36FAAMC-L

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2. Features
The hydrophilic fin can improve the heating efficiency at operation mode.
It protects the valves and prevents water from dripping.
4 way valve control
It is only operated in the heating operation mode except defrosting operation.
Outdoor unit
Power relay control
Hydrophilic aluminum fin
Anti-rust cabinet
Valve protection cover
Low noise air flow system
Discharge pipe temperature protection

3. Dimensions
ACP-18COFM50AECI
560 W1
H
6
D1 335
D2 360845 W
313
D3
335
D1
R6 R5
A1
22
A2
50
B1
120
110
B2
700
W2
73
58 58 58
110
H1
H2
200.7
243.6
L1 L2

ACP-27COFM79AECI
900 W
590 W1
860
H
12
D2 355
D1 333
302
D3
333
D1
50
97
90
B2 B1
8
A2
5555 55 55 55110
62
W2
H1
H2
R6
238.4
285.7
L1
L2

ACP-28COFM82AECI
900 W
590 W1
860
H
12
D2 355
D1 333
302
D3
333
D1
50
97
90
B2 B1
8
A2
55
55 55 55 55 55 55110
62
W2
H1
H2
R6
238.4
285.7
L1
L2

ACP-36COFM105AECI, ACP-41COFM123AECI
990 W
W2 81
624 W1
D2 397
D1 366
55 H1 965 H
153 H2
366 D1
B2 125
B1 145
D3 345
60
22
A2
A1
R5
R6

4. Wiring Diagram
ACP-18COFM50AECI

ACP-27COFM79AECI
ACP-28COFM82AECI

ACP-41COFM123AECI
ACP-36COFM105AECI

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5. Refrigeration Cycle Diagram
5.1 Refrigeration circuit drawing of inverter 1 drive 2 type
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
Compressor
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T5 Discharge
temp. sensor
T4 Ambient
temp. sensor
INDOOR OUTDOOR
EXV A CAPILIARY A
CHECK VALVE
CAPILIARY TUBE
EXV B CAPILIARY B
LIQUID VALVE B
GAS VALVE B
Accumulator
T2B-A Evaporator
temp. sensor outlet
T2B-B
5.2 Refrigeration circuit drawing of inverter 1 drive 3 type
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
Compressor
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T5 Discharge
temp. sensor
T4 Ambient
temp. sensor
INDOOR OUTDOOR
EXV A CAPILIARY A
CHECK VALVE
CAPILIARY TUBE
EXV B CAPILIARY B
LIQUID VALVE B
GAS VALVE B
EXV C CAPILIARY C
LIQUID VALVE C
GAS VALVE C
Accumulator
T2B-A Evaporator
temp. sensor outlet
T2B-B
T2B-C

5.3 Refrigeration circuit drawing of inverter 1 drive 4 type
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
Compressor
4-WAY VALVE
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T5 Discharge
temp. sensor
T4 Ambient
temp. sensor
ROODTUOROODNI
EXV A CAPILIARY A
CHECK VALVE
CAPILIARY TUBE
EXV B CAPILIARY B
LIQUID VALVE B
GAS VALVE B
EXV C CAPILIARY C
LIQUID VALVE C
GAS VALVE C
EXV D CAPILIARY D
LIQUID VALVE D
GAS VALVE D
Accumulator
High pressure
switch
Low pressure
switch
T2B-A Evaporator
temp. sensor outlet
T2B-B
T2B-C
T2B-D
5.4 Refrigeration circuit drawing of ACP-36COFM105AECI
LIQUID VALVEA
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR) HEAT
EXCHANGE
(CONDENSER)
COOLING
HEATING
T2 Evaporator
temp. sensor
middle
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T4 Ambient
temp. sensor
ROODTUOROODNI
EXV A CAPILIARY A
CHECK VALVE
CAPILIARY TUBE
EXV B CAPILIARY B
LIQUID VALVEB
GAS VALVE B
EXV C CAPILIARY C
LIQUID VALVE C
GAS VALVE C
EXV D CAPILIARY D
LIQUID VALVE D
GAS VALVE D
EXV E CAPILIARY E
LIQUID VALVEE
GAS VALVE E
Compressor
4-WAY VALVE
T5 Discharge
temp. sensor
Accumulator
High pressure
switch
Lowpressure
switch
T2B-A Evaporator
temp.sensoroutlet
T2B-B
T2B-C
T2B-D
T2B-E

5.5 Refrigeration circuit drawing of ACP-41COFM123AECI
LIQUID VALVE A
GAS VALVE A
HEAT
EXCHANGE
(EVAPORATOR)
HEAT
EXCHANGE
(CONDENSER)
COOLING
HEATING
T2 Evaporator
temp. sensor
T1 Room
temp. sensor
T3
Condenser
temp. sensor
T4 Ambient
temp. sensor
ROODTUOROODNI
EXV A CAPILIARY A
CHECK VALVE
CAPILIARY TUBE
EXV B CAPILIARY B
LIQUID VALVE B
GAS VALVE B
EXV C CAPILIARY C
LIQUID VALVE C
GAS VALVE C
EXV D CAPILIARY D
LIQUID VALVE D
GAS VALVE D
EXV E CAPILIARY E
LIQUID VALVE E
GAS VALVE E
Compressor
4-WAY VALVE
T5 Discharge
temp. sensor
Accumulator High pressure
switch
Low pressure
switch

6. Indoor units combination
Indoor unit combination for ACP-18COFM50AECI
One unit Two unit
7 7+7 9+9
9 7+9 9+12
12 7+12 9+18
18 7+18 12+12
Indoor unit combination for ACP-27COFM79AECI
One unit Two unit Three unit
7 7+7 9+9 12+18 7+7+7 7+9+9 7+12+18 9+12+12
9 7+9 9+12 18+18 7+7+9 7+9+12 9+9+9 9+12+18
12 7+12 9+18 7+7+12 7+9+18 9+9+12 12+12+12
18 7+18 12+12 7+7+18 7+12+12 9+9+18

Indoor unit combination for ACP-28COFM82AECI
Indoor unit combination for ACP-36COFM105AECI
One Unit Two Unit Three Unit
77+7 9+12 7+7+7 7+9+18 9+9+18 12+18+18
97+9 9+18 7+7+9 7+12+12 9+12+12 18+18+18
12 7+12 12+12 7+7+12 7+12+18 9+12+18
18 7+18 12+18 7+7+18 7+18+18 9+18+18
9+9 18+18 7+9+9 9+9+9 12+12+12
7+9+12 9+9+12 12+12+18
Four Unit
7+7+7+7 7+7+9+18 7+9+9+18 7+12+18+18 9+9+18+18
7+7+7+9 7+7+12+12 7+9+12+12 9+9+9+9 9+12+12+12
7+7+7+12 7+7+12+18 7+9+12+18 9+9+9+12 9+12+12+18
7+7+7+18 7+7+18+18 7+9+18+18 9+9+9+18 12+12+12+12
7+7+9+9 7+9+9+9 7+12+12+12 9+9+12+12 12+12+12+18
7+7+9+12 7+9+9+12 7+12+12+18 9+9+12+18
Five Unit
7+7+7+7+7 7+7+7+9+18 7+7+9+12+18 7+9+9+12+18 9+9+9+12+12
7+7+7+7+9 7+7+7+12+18 7+7+12+12+18 7+9+12+12+12 9+9+9+12+18
7+7+7+7+12 7+7+7+18+18 7+9+9+9+9 7+9+12+12+18 9+9+12+12+12
One unit Two unit Three unit Four unit
7 7+7 9+9 12+18 7+7+7 7+9+9 9+9+9 7+7+7+7 7+7+9+9 7+9+9+12
9 7+9 9+12 18+18 7+7+9 7+9+12 9+9+127+7+7+9 7+7+9+12 7+9+12+12
12 7+12 9+18 7+7+12 7+9+18 9+9+187+7+7+12 7+7+12+12 9+9+9+9
18 7+18 12+12 7+7+18 7+12+129+12+127+7+7+18 7+9+9+9 9+9+9+12
7+12+18
7+7+7+7+18 7+7+9+9+9 7+9+9+9+12 9+9+9+9+9 9+12+12+12+12
7+7+7+9+9 7+7+9+9+12 7+9+9+9+18 9+9+9+9+12 12+12+12+12+12
7+7+7+9+12 7+7+9+9+18 7+9+9+12+12 9+9+9+9+18

Indoor unit combination for ACP-41COFM123AECI
One Unit Two Unit Three Unit
7 7+7 9+9 7+7+7 7+9+24 9+9+24 12+18+18
9 7+9 9+12 7+7+9 7+12+12 9+12+12 18+18+18
12 7+12 9+18 7+7+12 7+12+18 9+12+18
18 7+18 9+24 7+7+18 7+12+24 9+12+24
24 7+24 12+12 7+7+24 7+18+18 9+18+18
12+18 7+9+9 9+9+9 12+12+12
12+24 7+9+12 9+9+12 12+12+18
18+18 7+9+18 9+9+18 12+12+24
Four Unit
7+7+7+7 7+7+9+24 7+9+9+24 7+12+18+18 9+9+18+18
7+7+7+9 7+7+12+12 7+9+12+12 9+9+9+9 9+12+12+12
7+7+7+12 7+7+12+18 7+9+12+18 9+9+9+12 9+12+12+18
7+7+7+18 7+7+12+24 7+9+12+24 9+9+9+18 12+12+12+12
7+7+7+24 7+7+18+18 7+9+18+18 9+9+9+24 12+12+12+18
7+7+9+9 7+9+9+9 7+12+12+12 9+9+12+12
7+7+9+12 7+9+9+12 7+12+12+18 9+9+12+18
7+7+9+18 7+9+9+18 7+12+12+24 9+9+12+24
Five Unit
7+7+7+7+7 7+7+7+9+18 7+7+9+12+18 7+9+9+12+18 9+9+9+12+12
7+7+7+7+9 7+7+7+12+18 7+7+12+12+18 7+9+12+12+12 9+9+9+12+18
7+7+7+7+12 7+7+7+18+18 7+9+9+9+9 7+9+12+12+18 9+9+12+12+12
7+7+7+7+18 7+7+9+9+9 7+9+9+9+12 9+9+9+9+9 9+12+12+12+12
7+7+7+7+24 7+7+9+9+12 7+9+9+9+18 9+9+9+9+12 12+12+12+12+12
7+7+7+9+9 7+7+9+9+18 7+9+9+12+12 9+9+9+9+18
7+7+7+9+12

7. Sound Levels
H
1.0m
Outdoor Unit
Microphone
Note:H= 0.5 × height of outdoor unit
)A(BdlevelesioN)A(BdrewoPesioNledoM
2636
2686
2607
5686
6627
ACP-18COFM50AECI
ACP-27COFM79AECI
ACP-28COFM82AECI
ACP-36COFM105AECI
ACP-41COFM123AECI

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8. Installation Details
8.1 Wrench torque sheet for installation
Outside diameter Torque Additional tightening torque
mm N.cm N.cm
Ф6.35 1500(153kgf.cm) 1600(163kgf.cm)
Ф9.52 2500(255kgf.cm) 2600(265kgf.cm)
Ф12.7 3500(357kgf.cm) 3600(367kgf.cm)
8.2 Connecting the cables
The power cord of connect should be selected according to the following specifications sheet.
Rated current of appliance Nominal cross-sectional area (mm²)
>3 and ≤6 0.75
>6 and ≤10 1
>10 and ≤16 1.5
>16 and ≤25 2.5
The cable size and the current of the fuse or switch are determined by the maximum current indicated on the
nameplate which located on the side panel of the unit. Please refer to the nameplate before selecting the
cable, fuse and switch.
8.3 Pipe length and the elevation
Maximum piping length and height difference
1 drive 2 1 drive 3 1 drive 4 1 drive 5
Max. length for all rooms (m) 30 45 60 75
Max. length for one IU (m) 20 25 30 30
Max. height difference
between IU and OU (m)
OU higher than IU 10 10 10 10
OU lower than IU 15 15 15 15
Max. height difference between IUs (m) 10 10 10 10
Additional refrigerant charge
1 drive 2 1 drive 3 1 drive 4 1 drive 5
Chargeless pipe
length (m) 10 15 20 25
Additional
refrigerant charge
(g)
15 x (length for all
rooms - 10)
15 x (length for all
rooms - 15)
15 x (length for all
rooms - 20)
15 x (length for all
rooms - 25)
Caution: