When Power Is Supplied To Outdoor Unit And Branch Box Separately; When Power Is Supplied To Branch Box From The Outdoor Unit - Mitsubishi Electric PUMY-P250YBM Technical & Service Manual

<When power is supplied to outdoor unit and branch box separately>
A
3N ~ 380-400-415 V, 50 Hz
■ Schematic Drawing of Wiring : When using a Branch Box and CITY MULTI series indoor unit (example)
<When power is supplied to outdoor unit and branch box separately>
A
3N ~ 380-400-415 V, 50 Hz
<When power is supplied to branch box from the outdoor unit>
A
3N ~ 380-400-415 V, 50 Hz
OCH760
B
~ /N 220-230-240 V, 50 Hz
L1/L2/L3/N
;
-
B
~ /N 220-230-240 V, 50 Hz
L1/L2/L3/N
;
B C
;
S1/S2/S3
;
;
L1/L2/L3/N L/N
B1/B2
S1/S2/S3
;
;
S1/S2/S3
;
;
C
;
S1/S2/S3
;
L/N
S1/S2/S3
;
S1/S2/S3
; ;
NO
L/N
E
;
Note: The CITY MULTI series indoor unit cannot receive power supplied from an
outdoor unit, so provide it with power separately.
F
A
C
S1/S2/S3
;
L/N
S1/S2/S3
;
;
S1/S2/S3
;
A Switch (Breakers for Wiring and Current Leakage)
B Outdoor Unit
C Branch Box
D A-Control Indoor Unit
E CITY MULTI series Indoor unit
F Pull Box
A
C
S1/S2/S3
D
;
L/N
S1/S2/S3
D
; ;
S1/S2/S3
D
;
D
/N 220-230-240 V, 50 Hz
~
D
D
D
D
112
C
S1/S2/S3
D D
;
L/N
S1/S2/S3
D
D
;
;
S1/S2/S3
D
;
F
C
S1/S2/S3
D
;
L/N
S1/S2/S3
D
;
;
S1/S2/S3
;
F
A
L/N
L/N
E
;
;
L/N
E
;
E