Perfect Aire 3PAMSHHQC18-MZO2, Technical & Service Manual

Page: 38 / 74

8 . WIRING DIAGRAM
8.3 Common wiring
Max
.
Running Current
(
A
):
REFER TO NAMEPLATE
Model
(Capacity:
Btu/h)
Power Supply
ELB
Power Source
Cable Size
Transmitting
Cable Size
Circuit
Breaker (A)
Rated Current
(A)
Nominal Sensitive
Current (mA)
18K 208/230V ~/60Hz 30 30
14AWG
Ground
16AWG
Ground
30
24K 208/230V ~/60Hz 30 30
12AWG
Ground
16AWG
Ground
30
36K 208/230V ~/60Hz 50 30
10AWG
Ground
16AWG
Ground
50
42K 208/230V ~/60Hz 50 30
10AWG
Ground
16AWG
Ground
50
● Use cooper power supply wires.
● Follow local codes and regulations when select field wires, and all the above are the minimum
wire size.
● When transmitting cable length is longer than 49 ft. (15m), a larger wire size should be selected.
● Install main switch and ELB for each system separately. Select the high response type ELB that
acts within 0.1second.
NOTE:
Electrical wiring diagram
NOTES:
1. For 18K model, there is no INDOOR UNIT C, D and E.
2. For 24K model, there is no INDOOR UNIT D and E.
3. For 36K model, there is no INDOOR UNIT E.
Recommended w ire s ize
Outdoor unit
Indoor unit A
Indoor unit B
Indoor unit C
Terminal
Terminal B
Terminal C
Terminal
Terminal
Terminal
Power supply
SI
SI
SI
SI
SI
SI
SI
SI
SI
L
L
L
L
L
L
L
L
L
N
N
N
N
N
N
N
N
N
Power connecting cord
Power connecting cord
Power connecting cord
L2
L1
Outdoor unit
Indoor unit
SI
3(SI)
L
2(L) N
1(N)
Power connecting cord
Note: For some indoor units
Indoor unit D
Terminal D
Terminal
Power connecting cord
Indoor unit E
Terminal E
Terminal
Power connecting cord
L
N
SI
34