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Installation and Operations Manual
Freezer - Electric Defrost Systems - Single Phase
Diagram 1. Wiring Diagram for System, Typical Low Temp
PFC
L1
WN
T1
GND
3
1
2
YELLOW
CCH
BLACK BLACK
GRAY
BLUE
WN
WHITE
GRAY
DLH
WN
YELLOW
DLT
WN
YELLOW
RED
BLUE
BLACK
YELLOW
YELLOW
ORANGE
YELLOW
RED
DH
SW
BLUE
BLUE
WHITE
HL
BROWN
WN
BLACK
WN
BLACK
WN
BLACK
EFM
EFM
CFM
BLACK
BLACK
T2 L2
CC
T1 L1
208-230V/1ш/60HZ
SC
COMPRESSOR
R S
C
RC
2 1
5
SR
CC
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
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
PTT031L6BE
Rev 2.82
BLACK
by Carel
CONTROLLER
REFRIGERATION
71
2 3
4 5 6
YELLOW
BLUE
8 9 1110
DEFROST TEMP
ROOM TEMP
BLUE
Model:Model:
5. Wiring Information