20
Installation manual
Set refrigerant piping system, signal wires between
indoor-indoor unit, and that between outdoor-outdoor unit
into one system.
Power must unified supply to all indoor units in the same
system.
Please do not put the signal wire and power wire in the
same wire tube; keep distance between the two tubes.
(Current capacity of power supply: less than 10A--300mm,
less than 50A--500mm.)
Make sure to set address of outdoor unit in case of parallel
multi-outdoor units.
CAUTION
6.4 Electric parameter form of outdoor unit
Table.6-2
9.8 0.56 4.5
14HP
380~415
50/
60
342 456 30.0 29.2 35
7.1
X
2
0.56
X
2
0.56
X
2
0.56
X
2
0.56
X
2
0.56
X
2
2.8+2.4
16HP
380~415
50/
60
342 456 32.9 29.2 35
7.8
X
2
2.8+2.4
18HP 380~415
50/
60
342 456 37.8 42.4 3.9+3.5
22HP 380~415
50/
60
342 456 11.7
X
2
40 10.0+6.0
49.4 53.4 50 4.0+3.4
20HP 380~415
50/
60
342 456
10.9
X
2
45.3 53.4 50 4.0+3.4
Remark:
MCA: Min. Current Amps. (A) TOCA: Total Over-current Amps. (A) MFA: Max. Fuse Amps. (A) MSC: Max. Starting Amps. (A)
RLA: Rated Locked Amps. (A) OFM:Outdoor Fan Motor. FLA: Full Load Amps. (A) KW: Rated Motor Output (KW)
Notes:
1.The current value of combination unit is the total value of each basic model(refer to Table.6-2)
For example: 46HP=22HP+12HP+12HP
Power current: MCA=49.4+25.3+25.3=100
TOCA=53.4+26.9+26.9=107.2
MFA=50+30+30=110
Compressor: RLA=11.7X2+9.8+9.8=43.0
OFM: FLA=4.0+3.4+4.5+4.5=16.4
2. RLA is based on the following conditions, Indoor temp. 27°C DB/19°C WB, Outdoor temp. 35°C DB
3. TOCA means the total value of each OC set.
4. MSC means the Max. current during the starting of compressor.
5. Voltage range units are suitable for use on electrical systems where voltage supplied to unit terminals
is not below or above listed range limits.
6. Maximum allowable voltage variation between phase is 2%
7. Selection wire size based on the larger value of MCA or TOCA
8. MFA is used to select the circuit breaker and the ground fault circuit interrupter (earth circuit breaker).
Voltage
(V)
Hz
Min.
(V)
Max.
(V)
MCA
(A)
TOCA
(A)
MFA
(A)
MSC
(A)
RLA
(A)
KW
FLA
(A)
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