
Section 5Electrical System
5-14
Freezers - Remote - FR1, FR2 and FR3 (50 Hz)
(Shown in cooling cycle)
For electrical sequence of operation, see page 5-3.
DOOR 2
TB31
TB31
MAIN
ON/OFF
SWITCH
SEE SERIAL PLATE
FOR VOLTAGE
(70)
(60)
DRAIN LINE HEATER
TB30
TB30
(50)
CABINET
LIGHT
TB36
(72)
(55)
DOOR 3
TB35
TB32
(65)
(73)
EVAPORATOR
FAN MOTORS
TWO ON FR1
THREE ON FR2
FOUR ON FR3
TB31
2
1
3
DEFROST END AND FAN
DELAY THERMOSTAT
(66)
NO
DOOR 2
TB33
(54)
(69)
TB30
LIGHT/FAN
SWITCHES
TWO ON FR2
THREE ON FR3
NC
NO
NC
NO
NC
DOOR 1
DOOR 3
DEFROST HEATER
TB35
TB31
TB31
(68)
(71)
TB30
(59)
3
2
N
1
(57)
(56)
4
DOOR HEATERS
44
(84)
(83)
LIQUID
LINE
SOLENOID
(NOT SUPPLIED)
TEMPERATURE
CONTROL
TB31
L2 (N)
L1
DEFROST
COOLING
SV1528
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