Manitowoc Ice FLAKE/CHIPLET QF0400 - Manual (Page 95)

Section 6 Electrical System
Part No. 80-1214-3 6-33
RFC2385
Automatic Shut-Off
When the refrigerant pressure is low
enough to open the low-pressure
switch, the contactor coil is de-
energized and the compressor and
condenser fan motor stop.
SV2121
RUN
CAPACITOR
(50)
(43)
(48)
COMPRESSOR
RUN
CAPACITOR
(47)
(46)
(49)
(44)
START
CAPACITOR
RELAY
S C
R
5 2 1
(45)
OVERLOAD
CONTACTOR
CONTACTS
CONTACTOR
CONTACTS
CONTACTOR
COIL LOW PRESSURE
CUT-OUT
HIGH PRESSURE
CUT-OUT
(96)
(94)
GROUND
L1
L2 COMPRESSOR
CRANKCASE
HEATER
(95)
(74)
FAN MOTOR
(85)
C1 C2
3. Automatic Shut-Off (45 Seconds)
High Pressure Control CLOSED
Low Pressure Control OPEN
Contactor Coil OPEN / OFF
Compressor OFF
Condenser Fan Motor OFF
Revised 8/2003