Panasonic PAW-160MAH2L Installation Instructions Manual page 89

Recommended wire lengths and diameters
AHU Kit
PAW-280PAH2(M/L)
Control wiring
(between outdoor unit and AHU Kit)
0.75 mm
(AWG# 18)
Use shielded wiring
Max. 1,000 m
Wiring system diagram – PACi systems and PAH3 generation AHU Kit
For single-phase outdoor units
Power supply
220 – 240V ~ 50/60Hz
WHT
BLK
For three-phase outdoor units
Power supply
220 – 240V ~50/60Hz
WHT
BLK
AHU Kit – Installation Instructions – 09/2021
Type
(C) Inter-unit control wiring
or 2.0 mm
2
(AWG# 14)
Use shielded wiring
Max. 2,000 m
AHU Kit
B
L
N
Ground
Remote
controller
D
1 1
2 2
AHU Kit
B
X1
L
L
N
N
3
Ground
PE
X5
Remote
U1
controller
D
U2
R1
1 1
R2
2 2
(B) Power supply
2.5 mm (AWG#13)
2
Max. 150 m
(D) Remote control wiring
0.75 mm
2 2
(AWG# 18)
Use shielded wiring
Max. 500 m
X1
L
N
3 Outdoor unit
PE
INV unit
C
X5
U1
U1
U2
U2
Ground
R1
R2
Outdoor unit
INV unit
C
L1
U1
L2
U2
L3
Ground
N
Electrical Wiring
Time delay fuse or circuit breaker
10 – 16 A
(E) Control wiring for group
control 1
0.75 mm2
(AWG# 18)
Use shielded wiring
Max. 200 m (total)
A
L Power supply
L
N
220 – 240V ~50/60Hz
N
Ground
A
Power supply
L1
L2 380 – 415V 3N ~50/60Hz
L3
N
Ground
5
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