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Diagram 2. Wiring Diagram for System, Electric Defrost 208-230/1/60 (B): Models PTT021L6B, PTT031L6B,
PTT044L6B, PTT052L6B, and PTT069L6B.
Freezer - Electric Defrost Systems - Single Phase
Medium and Large Cabinet Models Wiring. 208-230/1/60 voltages
Indoor and Outdoor Models with Dixell XR-60C Controller
5. Wiring Information
WN
WN
BLACK
WHITE
HL
WN
DH
BLACK
BLUE
#8 BROWN#3 BLUE
SW
YELLOW
ORANGE
YELLOW
YELLOW
YELLOW
BLACK
WN
BLUE
WN
CCH
DLH
GRAY
GRAY
BLACK
DLT
WHITE
YELLOW
WN
PFC
WN
L1
T1
WN
TFC
CC
CFM
CFM
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
Rev
REFRIGERATION CONTROLLER
BLUE
BLACK
BLACK
ROOM TEMP
DEFROST TEMP
1
2
4 5 6 7 10 11 12
YELLOW
BLUE
EFM
EFM
EFM
CC
L1T1
L2T2
BLACK
BLACK
SC
COMPRESSOR
R S
C
3
RC
2 1
1
2
5
SR
208-230V/1PH/60HZ
GND
OUTDOOR UNITS ONLY
OUTDOOR UNITS ONLY
LARGE CABINET UNITS
LARGE CABINET UNITS
BLACK
RED