Hoshizaki SRH3 KMH-2000SWH/3, SRH/3 KM-2100SWH3 G Control Board, Part Number 2A3792-01

2. "G" Control Board

"G" Control Board

• Bin Control Switch

Closed LED (green)

(on continuously • "ALARM RESET" Button • S4 Dip Switch in thermostatic bin

control application)

•Bin Control Switch

Open LED (yellow)

(mechanical bin control application only)

•Part Number

•Alarm Buzzer

•POWER OK LED

(red) (lights when 10.5VAC is supplied to K2 connector)

•Relay LEDs

(4)(indicate which relays are energized and which K1 connector pins are energized

•LED 2 (X2 Relay)

LED 2 on:

K1 Connector Pin #2 LED 2 off:

K1 Connector Pin #3

•LED 3 (X3 Relay)

LED 3 on:

K1 Connector Pin #5 LED 3 off:

K1 Connector Pin #4 (energized in freeze)

•LED 4 (X4 Relay)

K1 Connector Pin #6

•LED 1 (X1 Relay)

K1 Connector Pin #1, #9

•K2 Connector

Control Transformer (10.5VAC)

"G" Control Board

Part Number 2A3792-01

•"OUTPUT TEST" Button

(used to test relays on control board)

•K3 (white) Connector

Thermistor (harvest control and high temperature safety)

•K4 (red) Connector

Mechanical Bin Control or K4 Jumper (thermostatic bin control application)

•S5 Dip Switch

•K5 (black) Connector

Float Switch (water level)

Label

(control board revision level indicated on label on side of relay)

• K1 Connector

Pins #1 through #10

#1, 9 Magnetic Contactor or Compressor Relay

#2 Hot Gas Valve #3 Fan Motor

Liquid Line Valve

#4 Pump Motor (icemaking) #5 Pump Motor

(harvest pump timer and pump-out)

#6 Inlet Water Valve

#7, 10 Component Power Supply

#8 Open

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