Hoshizaki KM-1301SRH/3, KM-1301SAH/3 G Control Board, Control Board Layout, Part Number 2A3792-01

1. Control Board Layout

"G" Control Board

Bin Control Switch	"ALARM RESET" Button	S4 Dip
Closed LED (green)		Switch
(on continuously
in thermostatic bin
control application)
Bin Control Switch
Open LED (yellow)
(mechanical bin control
application only)
Part Number
Alarm Buzzer
Power LED (red)
(lights when
power is supplied to
the control board)
Relay LEDs (4)
(indicate which
relays are energized
as listed below)
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,
harvest (if applicable))
LED 4 (X4 Relay)
Inlet Water Valve (WV)
LED 1 (X1 Relay)
Compressor (Comp),
Fan Motor-Remote
(FMR)

K2 Connector

Transformer

"OUTPUT TEST" Button

(used to test relays on control board)

WHITE K3 Connector Harvest Control (thermistor)

RED K4 Connector

K4 Jumper (4A4883G01 thermostatic bin control application) or Mechanical Bin Control

S5 Dip Switch

BLACK K5 Connector

Float Switch

Label

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

K1 Ten-Pin Connector

Pins #1 through #10

#1, 9 Magnetic Contactor #2 Hot Gas Valve (HGV) #3 Liquid Line Valve (LLV),

Fan Motor (FM)

#4 Pump Motor (icemaking) #5 Pump Motor (pump-out, harvest (if applicable))

#6 Inlet Water Valve (WV) #7, 10 Component Power

Supply

#8 Open

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

Control Board

Part Number 2A3792-01

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