Control Board Layout - Hoshizaki KM-230BAJ Service Manual

A. Control Board Layout

1. Control Board Layout

• Relay LEDs (6)
(indicate which
relays are energized
as listed below)
• LED 5 (X1 Relay)
Compressor (Comp)
Fan Motor-Remote
(FMR)
• LED 6 (X2 Relay)
Hot Gas Valve (HGV)
Fan Motor (FM)
(FM off when LED on)
Liquid Line Valve (LLV)
(FM and LLV off when
LED on)
• LED 8 (X4 Relay)
Inlet Water Valve (WV)
(WV1) on units with
 inlet water valves
• LED 9 (X5 Relay)
Inlet Water Valve 
(WV) on units with
 inlet water valves
• LED 4 (X6 Relay)
Drain Valve (DV)
• LED 7 (X3 Relay)
Pump Motor (PM)
• K6 Connector
Open
• K1 Connector
Pins
#1, 3 Float Switch
# Open
#4, 5 Bin Control
#6, 7 Thermistor
#8, 9 Open
"H" Control Board
• K7 Connector
Transformer
• S1 Dip Switch
Control Board
Part Number
"H" Control Board
Part Number P00013-0
Type
31
16
• S2 Dip Switch
P01771-02
HKM2006V003
• K3 Connector
Power Relay
Magnetic Contactor
• "POWER OK" LED
(Lights when power is
supplied to the board.
Flashes when bin
control is activated.)
• K5 Connector
Pins
#1 Fan Motor (FM)
Liquid Line Valve (LLV)
# Hot Gas Valve
#3 Pump Motor
#4 Inlet Water Valve
#5 Open
#6 Drain Valve
• Alarm Buzzer
• "OUTPUT TEST" Button
(used to test relays on
control board)
• "ALARM RESET" Button