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Wiring Diagram for BACU51D2CHPQ
208V
14 AWG
COMPRESSOR 1
M7
M8
FAN ARRANGEMENT
COMP-
1
ALL COMPRESSORS THERMALLY PROTECTED
COMPRESSOR
3
SEE COMPRESSOR ELECTRIC BOX
COVERS FOR PROPER CONNECTION
M4
M3
M5
M6
M1
M2
COMPRESSOR 2
ZR1
2
ZR19
COMP-3
COMP-
2
COMP-4
ENTRANCE
ELECTRICAL
COMPRESSOR
4
ZR16
ZR16
50 A
C1
75 A
C2
#
8 AWG
6 AWG
#
C4
60 A
C3
60 A
#
6 AWG
6 AWG
#
CB1
70 A
CB2
90 A
4 AWG
#
CB3
80 A
CB4
80 A
4 AW
G
#
TD1-TD4 --- STAGE START TIMER
SW ------ TOGGLE SWITCHE
S
PDS ----- PUMPDOWN SWITCH
PLM ----- PHASE LINE MONITOR
M1-M8 --- CONDENSER FANS(TP)
SSM1-4 -- SOLID STATE MODUL
E
R1-R4 --- RELAYS
TD7-8 --- START TIME
R
FIELD WIRING
FACTORY WIRING
CB1-CB7 - CIRCUIT BREAKERS
F1 ------ FUSE (CLASS CC
)
CCH ----- CRANKCASE HEATERS
C1-C4 --- COMPRESSOR CONTACTORS
C1A1-C4A1--- C1 - C4 AUXILIARY CONTACTS
C5-C12 -- CONDENSER FAN CONTACTOR
S
FCT ----- FAN CYCLE TEMP CONTROL
LSV ----- LIQUID LINE SOLENOID VALVE
HPS ----- HIGH PRESSURE SWITC
H
LPS ----- LOW PRESSURE SWITCH
LEGEND
w/ 30 MIN TIME DELAY
25 A
M1
M3
C5
25 A
C6
25 A
M5
M7
C7
25 A
C8
14 AWG
15 A
14 AWG
#
#
6 AW
G
#
CB5
#
14 AWG
M2
25 A
C9
M4
M6
C10
25 A
C11
25
A
15 A
14 AWG
#
6 AWG
#
CB6
14 AWG
#
#
MINIMUM WIRE #18 AWG UNLESS OTHERWISE SPECIFIED.
208V/3ÿ/60HZ
POWER SUPPL
Y
DISCONNECT BY OTHERS.
USE COPPER CONDUCTORS ONLY.
GND
L2
L1
L3
PLM
14 AWG
#
L1
L3
L2
14 AW
G
#
15 A
F1
W
M8
C12
25
A
SHEET
2
120V
B
TO
TRANSFORMER
BACU51D2CHPQ