Bohn PRO3 Installation And Operation Manual page 26

ELECTRICAL WIRING DIAGRAMS
ELECTRIC DEFROST SYSTEMS - THREE PHASE - P3 CABINET
TB1
PFC
BLUE
L1 T1
WHITE
TFC
RED
RED
WHITE
1 2 3
L2
L1 L3
COMPRESSOR
CC -- COMPRESSOR CONTACTOR DLH -- DRAIN LINE HEATER
CCH -- CRANKCASE HEATER
DLT -- DRAIN LINE THERMOSTAT
CFM -- CONDENSER FAN MOTOR EFM -- EVAPORATOR FAN MOTOR
DH -- DEFROST HEATER GND -- GROUND
26
P R O
GND
CC
T1 L1
T2 L2
T3 L3
WN
GRAY
BLUE
BLACK
BLACK
CFM
BLACK
BLUE
CFM
BLUE
BLUE
LEGEND
HL -- HEATER LIMIT THERMOSTAT
HPS -- HIGH PRESSURE SWITCH
PFC -- PRESSURE FAN CYCLE SWITCH
RC -- RUN CAPACITOR
T O P M O U N T P A C K A G E D R E F R I G E R A T I O N S Y S T E M
3
PRIMARY SINGLE PHASE PROTECTION PROVIDED PRIMARY SINGLE PHASE PROTECTION PROVIDED
USE COPPER CONDUCTORS ONLY
FACTORY WIRING
FIELD WIRING
(WHEN PLUG
NOT
PROVIDED)
208-230V/3ø/60HZ
WN
DLT
WN
DLH
BLACK BLACK
GRAY
WN
9 3
CCH
BLACK BLACK BLACK
RELAY R1
TB1
1 1
7 7
RED RED BLACK
RELAY R1 RELAY R1
EFM EFM
BLACK
TB2
BLACK BLACK WHITE
HL
DH
SW
CC
BLACK
BLACK
ORANGE
HPS BROWN
A R1 B
RT -- ROOM THERMOSTAT
SC -- START CAPACITOR
SR -- START RELAY
SW -- SWITCH
YELLOW
YELLOW
YELLOW
TFC -- TEMPERATURE FAN CYCLE SWITCH
WN -- WIRE NUT