Kaysun KAM2-42 DN5 User manual

SERVICE MANUAL
AIRCONDITIONER
DC INVERTER MULTI TYPE
KAM2-42 DN5
KAM2-52 DN5
KAM3-62 DN5
KAM3-80 DN5
KAM4-72 DN
KAM4-80 DN5
KAM4-105 DN5
KAM5-105 DN5
KAM5-120 DN5
DC MULTI OUTDOOR UNITS

1
CONTENTS
1. General information of Outdoor Units.................................................2
2. Features.................................................................................................3
3. Dimensions............................................................................................4
4. Wiring Diagram....................................................................................10
5. Refrigeration Cycle Diagram..............................................................13
6. Indoor units combination ...................................................................16
7. Installation Details...............................................................................19
8. Electronic control function.................................................................29
9. Troubleshooting..................................................................................35

2
1. General information of Outdoor Units
Model name
Dimension (mm)
Compressor
KAM2-42 DN5
845x320x700
DA130M1C-31FZ
KAM2-52 DN5
845x320x700
DA150S1C-20FZ
KAM3-62 DN5
845x320x700
DA150S1C-20FZ
KAM3-80 DN5
900x315x860
DA250S2C-30MT
KAM4-105 DN5
990x345x965
TNB306FPGMC-L
KAM5-105 DN5
990x345x965
TNB306FPGMC-L
KAM5-120 DN5
990x345x965
MNB36FAAMC-L

3
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

4
3. Dimensions
KAM2-42 DN5, KAM2-52 DN5
560 W1
H
6
D1 335
D2 360 845 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

5
KAM3-62 DN5
560 W1
H
6
D1 335
D2 360 845 W
313
D3
335
D1
R6 R5
A1
22
A2
50
B1
120
110
B2
700
W2
73
58 58 58 58 58
110
H1
H2
200.7
243.6
L1 L2

6
KAM3-80 DN5
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

7
KAM4-80 DN5
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 55 55 55110
62
W2
H1
H2
R6
238.4
285.7
L1 L2

8
KAM4-105 DN5
624 W1
990 WD2 397
D1 366
965
10
H
78
W2
340
366
D3 D1
125
145
B1
B2
60 22
A2 A1
55
140
H1
H2
R5
R6

9
KAM5-105 DN5, KAM5-120 DN5
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

10
4. Wiring Diagram
KAM2-42 DN5, KAM2-52 DN5

11
KAM3-80 DN5, KAM3-62 DN5
KAM4-80 DN5

12
KAM4-105 DN5
KAM5-105 DN5, KAM5-120 DN5

13
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

14
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
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
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 KAM5-105 DN5
LIQUID VALVE A
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
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
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
T2B-A Evaporator
temp. sensor outlet
T2B-B
T2B-C
T2B-D
T2B-E

15
5.5 Refrigeration circuit drawing of KAM5-120 DN5
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
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
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

16
6. Indoor units combination
6.1 Indoor unit combination for KAM2-42 DN5
One unit
Two unit
7
7+7
9+9
9
7+9
9+12
12
7+12
18
6.2 Indoor unit combination for KAM2-52 DN5
One unit
Two unit
7
7+7
9+9
9
7+9
9+12
12
7+12
9+18
18
7+18
12+12
6.3 Indoor unit combination for KAM3-62 DN5
One unit
Two unit
Three unit
7
7+7
9+9
7+7+7
7+9+12
9
7+9
9+12
7+7+9
9+9+9
12
7+12
9+18
7+7+12
9+9+12
18
7+18
12+12
7+9+9
6.4 Indoor unit combination for KAM3-80 DN5
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

17
6.5 Indoor unit combination for KAM4-80 DN5
6.6 Indoor unit combination for KAM4-105 DN5
6.7 Indoor unit combination for KAM5-105 DN5
One Unit
Two Unit
Three Unit
7
7+7
9+12
7+7+7
7+9+18
9+9+18
12+18+18
9
7+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
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
7+7+7+7
9
7+9
9+12
18+18
7+7+9
7+9+12
9+9+12
7+7+7+9
7+7+9+12
7+9+12+12
7+7+7+9
12
7+12
9+18
7+7+12
7+9+18
9+9+18
7+7+7+12
7+7+12+12
9+9+9+9
7+7+7+12
18
7+18
12+12
7+7+18
7+12+12
9+12+12
7+7+7+18
7+9+9+9
9+9+9+12
7+7+7+18
7+12+18
One unit
Two unit
Three unit
Four unit
7
7+7
9+9
12+12
7+7+7
7+12+12
9+12+18
7+7+7+7
7+7+12+12
7+9+12+18
9+9+12+12
9
7+9
9+12
12+18
7+7+9
7+12+18
9+18+18
7+7+7+9
7+7+12+18
7+9+18+18
9+9+12+18
12
7+12
9+18
18+18
7+7+12
7+18+18
12+12+12
7+7+7+12
7+7+18+18
7+12+12+12
9+12+12+12
18
7+18
7+7+18
9+9+9
12+12+18
7+7+7+18
7+9+9+9
7+12+12+18
9+12+12+18
7+9+9
9+9+12
12+18+18
7+7+9+9
7+9+9+12
9+9+9+9
12+12+12+12
7+9+12
9+9+18
7+7+9+12
7+9+9+18
9+9+9+12
12+12+12+18
7+9+18
9+12+12
7+7+9+18
7+9+12+12
9+9+9+18

18
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+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

19
7. Installation Details
7.1 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)
7.2 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.
7.3 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)