1. Control Board Layout

Control Products "E" Control Board

Alarm Reset Switch

Dip Switch

Backup Freeze

Timer LED

Backup Harvest

Timer LED

Alarm Buzzer

Power LED (lights when power is supplied to the board)

Relay LEDs (4) (indicate which relays are energized as listed below)

LED 2

Hot Gas Valve (HGV)

Self-Contained Fan

Motor (FMS) (FMS off when LED on)

LED 3

Pump Motor (PM) (on at pump out only)

LED 4

Water Valve (WV)

LED 1

Compressor (Comp) Remote Fan Motor (FMR)

Transformer

Connector

Output Test Switch

(used to test relays on board)

Connector K3 Harvest Control (thermistor)

Connector K4 Open

(not connected)

Microprocessor (board revision level indicated by last 2 digits on label)

Connector K5

Float Switch

Part Number

Connector K1

Pins #1 through #10

#1, 9 Magnetic Contactor #2 Hot Gas Valve

#3 Line Valve

Self-Contained Fan Motor (FMS) #4 Pump Motor (icemaking)

#5 Pump Motor (drain) #6 Water Valve

#7, 10 Power (line, bin control) #8 Open

Switch for "C" board and "ALPINE" board (service boards only)

 

Control Board

 

 

Part Number

2A1410-01 (factory); 2A1410-02 (service)

 

 

Type

HOS-001A (Control Products - 10 Pin)

 

 

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Hoshizaki KM-650MRH, KM-650MAH, KM-650MWH service manual Control Products E Control Board, Control Board Layout