Hoshizaki dcm-75ibah service manual DCM-751BH-OS, K2 Connector Drain Valve #10 W/BU

2. DCM-751B_H-OS

High-Pressure Switch #3 to #4 (Y) Open-5VDC Closed-0VDC

Control Switch		Gear Motor Protect Relay Circuit
#1 to #2 (W/BK)
		#5 to #6 (W/O)
"ICE"-Open-5VDC
		Relay De-Energized-Open-5VDC
"DRAIN"-Closed-0VDC
		Relay Energized-Closed-0VDC
		• K9 Connector
		• "SERVICE" Button
	5VDC	(Ice Purge Cycle Bypass)
		• K8 Connector

•K1 Connector #3 GM (DBU) #2 GM Voltage Input (BR)

•K2 Connector Drain Valve #10 (W/BU)

115VAC

	Transformer
	24VAC Input
	#1 (W/R)
24VAC	Transformer
	24VAC Neutral
	#2 (LBU)
	Mechanical Bin Control
	#3 to #4 (GY)

Transformer Input
#9 (W/R)
Inlet Water Valve	24VAC
#8 (W/BR)
Transformer Input
#7 (W/R)
Dispense Water
Valve #6 (W/O)
24VAC Input	115VAC
#5 (W/R)
#4 (O)
Agitating Motor
115VAC Input
#3 (BK)
Dispense Motor
#2 (P)
115VAC Input
#3 (BK)

LED Legend:

AM-agitating motor

COMP-compressor

FLUSH-drain valve

GM-gear motor

ICE-dispense motor

WTRDP-water dispense valve

WTRIN-inlet water valve

		5VDC	Float Switch Output
			#5 (BK)(+)
			Upper Float Switch #6 (R)
			Lower Float Switch #7 (DBU)
			• K7 Connector
			Ice OS Sensor GND
			#1 (W/R)
			Continuous Ice Dispense
			Signal #2 (W)
			Ice OS Sensor Output
		5VDC	#3 (W/BK)(+)
			Portion Ice Dispense
			Signal #5 (W/O)
• S1 Dip Switch	• "POWER OK" LED		Water OS Sensor GND
			#7 (R)
			Water Dispense Signal
			#8 (W)
	• K6 Connector		Water OS Sensor
			Output #9 (BK)(+)
	Open
5VDC Ground (GND) Terminals

Fig. 9b

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