Manitowoc Ice QC0700 Electrical System, Section, Wiring Diagram Sequence of L1 Operation, 6-10

Electrical System Section 6

Wiring Diagram Sequence of L1 Operation

QC700/QF800

Initial Start-Up or Start-Up After Automatic Shut-Off

1A. WATER FLUSH

Immediately after placing the toggle switch in “ICE”, the dump valve solenoid, and gearbox are energized. After 45 seconds the dump valve de- energizes.

GROUND											L2 (N)
(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				SV3123
							CAPACITOR

		1A. Water Flush (45 Seconds)
Toggle Switch			ICE
Bin Level Probe			Open (No Ice Contact)
Control Board Relays
#1	Contactor Coil		Open / OFF
	Compressor		OFF
	Condenser Fan Motor		OFF
#2	Dump Valve		ON
#3	Gear Motor		ON
#4	Water Float Valve Solenoid Coil		OFF

6-10 Revised 8/2003 Part No. 80-1214-3