Wiring Diagrams - Heatcraft Refrigeration Products H-IM-FL1A Installating And Operation Manual

Wiring Diagram for BACU51D2CHPQ
USE COPPER CONDUCTORS ONLY. MINIMUM WIRE #18 AWG UNLESS OTHERWISE SPECIFIED.
DISCONNECT BY OTHERS.
208V/3ÿ/60HZ
POWER SUPPLY
L1 L2 L3
GND
4 AWG
#
CB1 CB2
70 A 90 A
# 8 AWG 6 AWG
#
C1 C2
75 A
50 A
COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR 3
ZR12 ZR19 ZR16
ALL COMPRESSORS THERMALLY PROTECTED
SEE COMPRESSOR ELECTRIC BOX
COVERS FOR PROPER CONNECTION
M8 M6 M4 M2
M7 M5 M3 M1
FAN ARRANGEMENT
16
6 AWG
#
4 AWG
#
CB5
15 A
14 AWG
#
CB3 CB4
80 A 80 A
C5
25 A
# 6 AWG 6 AWG
#
C4
C3
60 A 60 A
M1 M3
COMPRESSOR 4
ZR16
C1-C4 --- COMPRESSOR CONTACTORS
C5-C12 -- CONDENSER FAN CONTACTORS
ELECTRICAL
C1A1-C4A1--- C1 - C4 AUXILIARY CONTACTS
ENTRANCE
CCH ----- CRANKCASE HEATERS
CB1-CB7 - CIRCUIT BREAKERS
F1 ------ FUSE (CLASS CC)
FCT ----- FAN CYCLE TEMP CONTROL
COMP-4
HPS ----- HIGH PRESSURE SWITCH
COMP-3 LSV ----- LIQUID LINE SOLENOID VALVE
LPS ----- LOW PRESSURE SWITCH
COMP-2
COMP-1
PLM
L1 L3
L2
14 AWG
#
14 AWG # 14 AWG
#
C6 C7 C8
25 A 25 A 25 A
M5 M7
LEGEND
M1-M8 --- CONDENSER FANS(TP)
PLM ----- PHASE LINE MONITOR
PDS ----- PUMPDOWN SWITCH
R1-R4 --- RELAYS
SSM1-4 -- SOLID STATE MODULE
w/ 30 MIN TIME DELAY
SW ------ TOGGLE SWITCHES
TD1-TD4 --- STAGE START TIMER
TD7-8 --- START TIMER
FACTORY WIRING
FIELD WIRING
F1
TRANSFORMER
14 AWG
# 15 A
208V
6 AWG
#
CB6
15 A
14 AWG 14 AWG
# # # 14 AWG
C9 C10 C11
25 A 25 A 25 A
M2 M4 M6
BACU51D2CHPQ
W
TO
B
SHEET 2
120V
C12
25 A
M8