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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
COMPRESSOR
L1 L3
L2
1
2
3
208-230V/3PH/60HZ
L1T1
CC
L2T2
L3T3
GND
FAN
COMP
BLUE
BLACK
BLUE
ALARM
H4
H2
BLUE
DEFROST
COM
DEFROST
REFRIGERATION
ELECTRONIC
YELLOW
H3
H1
CONTROL
EVAP
ZONE
TEMP
2
TEMP
ROOM
1
(OPEN COVER TO ADJUST)
DIGITAL DISPLAY MODULE
DH
SW
YELLOW
YELLOW
YELLOW
BLUE
WHITE
BLACK
WN
HL
BLACK
WN
GREY
CC
WN
BLACK
BLUE
CFM
CFM
EFM
EFM
EFM
EFM
EFM
EFM
Rev 2.54
Freezer - Electric Defrost Systems - Three Phase
Diagram 6. Wiring Diagram for System, Electric Defrost 208-230/3/60 (C): Models PTT052L6C and PTT069L6C
only.
Large Cabinet Models Wiring. 208-230/3/60 voltage
Indoor and Outdoor Models with Paragon Controller
5. Wiring Information