Manitowoc Ice QF2300, QF0800, QC0700 Section, Electrical System, 6-33, RFC2385, Automatic Shut-Off

Section 6 Electrical System

RFC2385

L1

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.

GROUND	COMPRESSOR	L2
	CRANKCASE
(94)	HEATER	(95)
C1		C2
(96)	(85)	(74)
		CONTACTOR
HIGH PRESSURE	LOW PRESSURE	COIL
CUT-OUT	CUT-OUT
CONTACTOR		CONTACTOR
CONTACTS	FAN MOTOR	CONTACTS

RUN

CAPACITOR

(50)

			(49)		RUN
	COMPRESSOR
			(47)		CAPACITOR
	C	S
				(46)
	R				(45)
OVERLOAD
	(48)				(44)
			5	2	1
	(43)		RELAY		START
					CAPACITOR

SV2121

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 6-33