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PRO
3
TOP MOUNT PACKAGED REFRIGERATION SYSTEM
24
ELECTRICAL WIRING DIAGRAMS
ELECTRIC DEFROST SYSTEMS /
Single Phase-
PT0046M*NEM
RT -- ROOM THERMOSTAT
CFM -- CONDENSER FAN MOTOR
CC -- COMPRESSOR CONTACTOR
EFM -- EVAPORATOR FAN MOTOR
LEGEND
HL -- HEATER LIMIT THERMOSTAT
DH -- DEFROST HEATER
GND -- GROUND
RC -- RUN CAPACITOR
SR -- START RELAY
USE COPPER CONDUCTORS ONLY
NOT
FACTORY WIRING
FIELD WIRING
(WHEN PLUG
PROVIDED)
SC -- START CAPACITOR
HPS -- HIGH PRESSURE SWITCH
PRIMARY SINGLE PHASE PROTECTION PROVIDEDPRIMARY SINGLE PHASE PROTECTION PROVIDED
CCH -- CRANKCASE HEATER
PFC -- PRESSURE FAN CYCLE SWITCH
DLT -- DRAIN LINE THERMOSTAT
DLH -- DRAIN LINE HEATER
TFC -- TEMPERATURE FAN CYCLE SWITCH
WN -- WIRE NUT
SW -- SWITCH
BLACK
BLACK
T2 L2
CC
T1 L1
WHITE
BLACK
PLUG IN CONNECTOR
WHITE/RED
BLACK
GND
BLUE
CC
BLUE
SW
RED
YELLOW
ORANGE
YELLOW
YELLOW
BLACK
BLUE
YELLOW
YELLOW
BLACK
BLACK
R1A
B
ORANGE
BROWN
TB1
BLACK
BLACK
BLUE
WN
BLACK
WN
HL
WHITE
DH
BLACK
WN
YELLOW
CONNECT TO PINS 1 & 7 FOR 230V UNITS
CONNECT TO PINS 2 & 7 FOR 115V UNITS
CFM
EFM
7
2
RED
RELAY R1
EFM
7
2
RED
RELAY R1
HPS
5
SR
2
1
12
RC
33
C
SR
COMPRESSOR
SC
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