
Section 5 Electrical System
5-5
Refrigerators - Self-Contained - R1, R2, R3
(Shown in cooling cycle)
For electrical sequence of operation, see page 5-1.
SEE SERIAL PLATE
FOR VOLTAGE
SV1523
L2 (N)
L1
MAIN
ON/OFF
SWITCH
(56)
TB30
(53) (71) (70)
TB30
TB30
TB30
TB31
TB31
TB31
TB31
TB31
TB31
DOOR HEATER
SWITCH
DOOR 1
DOOR 2
DOOR 3
DOOR HEATERS
TWO ON R2
THREE ON R3
(69)
(68)
LIGHT/FAN SWITCHES
TWO ON R2
THREE ON R3
NO
NC
DOOR 1
NO
NC
DOOR 2
NO
NC
DOOR 3
NO
(65)
(72)
OPTIONAL GLASS DOOR
LIGHT SWITCH
TERMINATES AT
PIN CONNECTION
EVAPORATOR FAN MOTORS
TWO ON R2
THREE ON R3
(66)
(54)(55)
TB32
CABINET
LIGHT
TEMPERATURE CONTROL
(41)
(46)
CONDENSER
FAN
(46)
R1 & R2
MODELS
OVERLOAD
C
RS
COMPRESSOR
(CSIR)
START
CAPACITOR
S
S
(52)
(51)
(74)
1
S
2
M
START RELAY
SLIDES ONTO
START AND RUN
TERMINALS
TO TEMP CONTROL
SEE ABOVE
(46)
OVERLOAD
COMPRESSOR
(52)
S
R
C
(51)
START CAPACITOR
(75)
S
M
L
R3 COMPRESSOR
WIRING ONLY
(74)
START RELAY
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