Hoshizaki MWH KM-515MAH ユーザーズマニュアル
43
"G" Control Board
Part Number 2A3792-01
"G" Control Board
• K4 (red) Connector
Mechanical Bin Control or
K4 Jumper (thermostatic
bin control application)
Mechanical Bin Control or
K4 Jumper (thermostatic
bin control application)
Label
(control board revision
level indicated on label
on side of relay)
(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
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
• Bin Control Switch
Open LED (yellow)
(mechanical bin
control application only)
• Bin Control Switch
Closed LED (green)
(on continuously
in thermostatic bin
control application)
in thermostatic bin
control application)
• LED 2 (X2 Relay)
LED 2 on:
K1 Connector Pin #2
LED 2 off:
K1 Connector Pin #3
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 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)
Control Transformer
(10.5VAC)
• S5 Dip Switch
• "ALARM RESET" Button
• S4 Dip Switch
• "OUTPUT TEST" Button
(used to test relays on control board)
• K3 (white) Connector
Thermistor
(harvest control and
high temperature safety)
(harvest control and
high temperature safety)
• K5 (black) Connector
Float Switch
(water level)
(water level)
• Part Number
• Alarm Buzzer
• Relay LEDs
(4) (indicate which
relays are energized
and which K1
connector pins are
energized
relays are energized
and which K1
connector pins are
energized
2. "G" Control Board
• POWER OK LED
(red) (lights when
10.5VAC is supplied
to K2 connector)
10.5VAC is supplied
to K2 connector)