Rev. B 02-2020
42
425
418
054
54
U9
V9
W9
21
25
50
300
MTEC.5115.GB-B-1 Operation and maintenance manual WZT series English
WZT
P4U-P4S
4.24.5 Outdoor unit wiring connections (optional)
OUTDOOR POWER SUPPLY UNIT (THREE-PHASE)
,WLVFRQQHFWHGWRWHUPLQDOV89DQG:
,WLVXVHGDVDX[LOLDU\WHUPLQDOERDUGIRUSRZHUVXSSO\9RIUHPRWHRXWGRRUXQLW
CONDENSING/EVAPORATING FANS
,WLVFRQQHFWHGWRWHUPLQDOVDQG
Fans thermal protection
,WLVFRQQHFWHGWRWHUPLQDOVDQG
,WLVDIUHHFRQWDFWXVHGIRUWKHUPDODODUPPDQDJHPHQWRIIDQV,QWHUQDOFRQWDFWVDUHFRQQHFWHG
LQVHULHVEDVHGXSRQWKHQXPEHURIIDQV
ELECTRONIC EXPANSION VALVE SIGNAL
,WLVFRQQHFWHGWRWHUPLQDOVH
ELECTRONIC EXPANSION VALVE ALARM
,WLVFRQQHFWHGWRWHUPLQDOVH