Manitowoc Ice QF0400, QF2300, QF0800, QC0700 Section, Electrical System, 6-21, RFC2085 Freeze Cycle

Section 6 Electrical System

RFC2085

Freeze Cycle

2. FREEZE

Refrigerant pressure exceeds the low pressure control setpoint. The contactor coil energizes and the contacts close. The compressor and condenser fan motor energize and remain on throughout the entire freeze cycle.

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

SV3042

2. Freeze (Until Ice Contacts Bin Level Probe for 30 Continuous Seconds)

High Pressure Control

Low Pressure Control

Contactor Coil

Compressor

Condenser Fan Motor

CLOSED

CLOSED

CLOSED / ON

ON

ON

Part No. 80-1214-3 Revised 8/2003 6-21