
Section 5 Electrical System
5-7
Refrigerators - Self-Contained - RS1, RS2, RS3
Evaporator Fans Wired Through Door Switches
(Shown in cooling cycle)
For electrical sequence of operation, see page 5-1.
Refrigerators - Remote - RR1, RR2, RR3
SEE SERIAL PLATE
FOR VOLTAGE
L2 (N)
L1
MAIN
ON/OFF
SWITCH
DOOR HEATER
SWITCH
DOOR 1
DOOR 2
DOOR 3
DOOR HEATERS
TWO ON R2
THREE ON R3
LIGHT/FAN SWITCHES
TWO ON R2
THREE ON R3
NO
NC
DOOR 1
NO
NC
DOOR 2
DOOR 3
NO
NC
EVAPORATOR FAN MOTORS
ONE ON R1
TWO ON R2 AND R3
TB32
CABINET
LIGHT
HIGH PRESSURE
CUT OUT
TEMPERATURE CONTROL
RS1 AND RS2
MODELS
OVERLOAD
C
R
COMPRESSOR
START
RELAY
1
S
2
3
OVERLOAD
COMPRESSOR
START RELAY
(CURRENT TYPE)
START
CAPACITOR
C
R
S
10
4
6
RELAY
CONDENSER FAN
CONDENSER FAN
RS3 MODELS
START
CAPACITOR
SV1237
L
Important
The evaporator fan motor wiring needs
to be modified. See page 7-6.
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