Manitowoc Ice QF0800, QF2300, QC0700, QF0400 Electrical System, Section, 6-14, Automatic Shut-Off

Electrical System Section 6

Automatic Shut-Off

L1

3B. DRAIN EVAPORATOR

To allow water to drain from the evaporator, the dump valve energizes for 45 seconds, then de-energizes.

L2 (N)

GROUND
(21)
	RELAY
	K2
		RELAY			HIGH		CONTACTOR
					PRESSURE
		K1	(90)		CUT-OUT		(95)	COIL		(65)	C4
											POTENTIAL
	10 AMP										RELAY
								GEARMOTOR
(25)	FUSE
				(46)			(21)			(43)	RUN
		RELAY					(22)				CAPACITOR
	RELAY K4
		K3
		WATER FLOAT
			VALVE COIL
(52)									(56)
											C4
(22)											POTENTIAL
											RELAY
(51)					(55)
							FAN MOTOR
		DUMP VALVE COIL				(AIR-COOLED ONLY)					CONTACTOR
			FAN CYCLE								COIL
			CONTROL				RUN CAPACITOR
	(41)		L1	T1
								C	COMPRESSOR
											C4
		CONTACTOR				OVERLOAD
									R	(45)	POTENTIAL
		CONTACTS						S
					(49)	C5	C2				RELAY
										(61)	C4
							C1	RUN			POTENTIAL
						(31)	CAPACITOR			(62)	RELAY
							START				SV3127
							CAPACITOR

		3B. Drain Evaporator (45 Seconds)
Toggle Switch			ICE
Bin Level Probe			Closed (Ice Contacting Probe)
Control Board Relays
#1	Contactor Coil		Open / OFF
	Compressor		OFF
	Condenser Fan Motor		OFF
#2	Dump Valve		OFF
#3	Gear Motor		ON
#4	Water Float Valve Solenoid Coil		OFF

6-14 Revised 8/2003 Part No. 80-1214-3