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7.2
Recommended Wire Diameter
Power supply wiring
(A) Power supply cable outdoor unit
Model name
Follow the instructions in the installation manuals of the relevant outdoor units.
(B) Power supply cable control box
Model name
PAW-RTC5B-PAC/VRF Single phase 220/230/240 V
Power supply cable backup heater
Model name
PAW-VP750LDHW
PAW-VP1000LDHW
PAW-VP380L
Control wiring
(C) Inter-unit (between outdoor and indoor units) control wiring
Control wiring U1 U2
0.75 mm
2
(AWG #18)
Use shielded wiring
i
Notes
• You will find the Wiring system diagram on the next page.
* Please follow local wiring regulations to ensure wiring and circuit breaking devices meet
compliance.
PAW-VP•LDHW - Technical Manual – 2020-07
Power supply
Power supply
Power supply
3-phases 380/400/420 V
3-phases 380/400/420 V
3-phases 380/400/420 V
Length (m)
Max. 100
Minimum power
Circuit breaker
supply cables L1/N/PE
(Min. recommended rating)*
Minimum power
Circuit breaker
supply cables L1/N/PE
(Min. recommended rating)*
1.00 mm
2 A
2
Minimum power
Circuit breaker
supply cables L1/N/PE
(Min. recommended rating)*
2.5 mm
16 A
2
2.5 mm
16 A
2
2.5 mm
16 A
2
Electrical Wiring
63
7
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