Manitowoc Ice QF2300, QF0800, QC0700 Section, Electrical System, 6-23, RFC2085 Automatic Shut-Off

Models: QF2200 QF0400 QC0700 QF0800 QF2300

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RFC2085

Section 6

Electrical System

 

 

RFC2085

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.

L1

 

 

GROUND

COMPRESSOR

L2

 

 

CRANKCASE

 

(94)

HEATER

(95)

(96)

 

(74)

 

 

 

LOW PRESSURE

CONTACTOR

HIGH PRESSURE

COIL

CUT-OUT

CUT-OUT

 

CONTACTOR

FAN MOTOR

CONTACTOR

CONTACTS

CONTACTS

 

RUN

 

 

CAPACITOR

 

 

 

 

(49)

 

(50)

 

 

 

 

 

 

COMPRESSOR

 

 

RUN

 

 

 

CAPACITOR

 

C

S

(47)

 

 

 

 

 

 

(46)

 

R

 

 

 

(45)

OVERLOAD

 

 

 

 

(48)

 

 

 

(44)

 

 

 

 

 

 

 

5

2

1

 

(43)

 

RELAY

START

 

 

CAPACITOR

SV3040

3. Automatic Shut-Off (45 Seconds)

High Pressure Control

Low Pressure Control

Contactor Coil

Compressor

Condenser Fan Motor

CLOSED

OPEN

OPEN / OFF

OFF

OFF

Part No. 80-1214-3

Revised 8/2003

6-23

 

 

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Manitowoc Ice QF2300, QF0800, QC0700, QF0400, QF2200 Section, Electrical System, 6-23, RFC2085 Automatic Shut-Off