Hoshizaki KM-2500SRH3 User Manual download pdf (Page 16)

"E" Control Board

1. Control Board Layout

"E" Control Board

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

• "OUTPUT TEST" Button

(used to test relays on control board)

• WHITE K3 Connector

Harvest Control

(thermistor)

• RED K4 Connector

Open (not connected)

• Microprocessor

(control board

revision level

indicated by last 2

digits on label)

• BLACK K5 Connector

Float Switch

• Part Number

• K1 Ten-Pin Connector

Pins #1 through #10

#1, 9 Magnetic Contactor (CR)

Fan Motor-Remote (FMR)

#2 Hot Gas Valve (HGV)

#3 Fan Motor (FM)

Liquid Line Valve (LLV)

#4 Pump Motor (icemaking)

#5 Pump Motor (pump-out)

#6 Inlet Water Valve (WV)

#7, 10 Component Power

Supply

#8 Open

• Switch for "C" Control Board

and "ALPINE" Control Board

(service boards only)

• "ALARM RESET" Button

• "F TIMER"

Freeze Timer LED

• S4 Dip Switch

• "H TIMER"

Harvest Backup

Timer LED

• Alarm Buzzer

• "Power OK" LED

(red) (lights when

power is supplied to

the control board)

• LED 2 (X2 Relay)

Hot Gas Valve (HGV)

Fan Motor (FM) (FM

off when LED on)

• LED 3 (X3 Relay)

Pump Motor (PM)

(on at pump-out only)

• LED 4 (X4 Relay)

Inlet Water Valve (WV)

• LED 1 (X1 Relay)

Compressor

(Comp)

Fan Motor-Remote

(FMR)

• K2 Connector

Transformer

• Relay LEDs (4)

(indicate which relays

are energized as

listed below)

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 60 61

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Hoshizaki KM-2500SRH3 User Manual Page 16

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