Hoshizaki KM-901MAH 用户手册

7

Part Number A40-0 (factory); 

"OUTPUT TEST" Button
(used to test relays on control board)

WHITE K3 Connector
Harvest Control
(thermistor)

RED K4 Connector
Mechanical Bin Control
(not used on units with 
themostatic bin control)

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

BLACK K5 Connector 
Float Switch

Part Number

K Ten-Pin Connector

Pins # through #0
#, 9 Magnetic Contactor
# 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, 0 Component Power 
           Supply
#8 Open

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

"ALARM RESET" Button

Freeze Timer LED

S4 Dip Switch

Harvest Timer LED

Alarm Buzzer

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

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

LED  (X Relay)
Hot Gas Valve (HGV)
Fan Motor (FM) (FM off 
when LED on)
Liquid Line Valve (LLV)

LED 3 (X3 Relay)
Pump Motor (PM)
(on at pump-out only)
LED 4 (X4 Relay)
Inlet Water Valve (WV)

LED  (X Relay)
Compressor (Comp),
Fan Motor-Remote 
(FMR)

K Connector 
Transformer