5-5
Electrical Shock Hazard
Disconnect power before servicing.
Replace all panels before operating.
Failure to do so can result in death or electrical shock.
MAIN CONTROL BOARD
INPUTS
P4
THERMISTORS
P3
DISPLAY BOARD
P2
120 VAC SUPPLY
P5
P7
OUTPUTS
P6
OUTPUTS
1
1
2
1 2
3
1 2 3
4
3 4
5 6 7 8
2 3 4 5
1
2
3
4
5
1
2
3
4
5
10 9 8 7 6
Refer to page 4-4 for the procedure for servicing the main control board.
NOTE: See the chart for the main control board test specifications.
PLUG
PIN #
DESCRIPTION
OUTPUT
CONDITION
1
Communication Line
N / A
2
Display Voltage
12 VDC
Measured at pins 2 & 3
3
GND
GND
1
Ref. Thermistor
GND
2
Frz. Thermistor
GND
3
Ref. Thermistor Output
5 VDC
Measured at pins 1 & 3
4
Frz. Thermistor Output
5 VDC
Measured at pins 2 & 4
1
Ref. Door Sw Enable
120 VAC
2
Frz. Door Sw Enable
120 VAC
3
N / A
4
Ref. Door Input
120 VAC
Voltage present when door
is open
5
Ice Maker Valve Input
120 VAC
Voltage present when ice
maker is energized
6
Dispenser Valve Input
120 VAC
Voltage present when
dispenser valve is energized
7
Bimetal Input
120 VAC
Voltage present when
bimetal is closed
8
Frz. Door Input
120 VAC
1
AC GND
AC GND
2
AC L1
120 VAC
3
AC Neutral
AC Neutral
4
AC Neutral
AC Neutral
5
AC L1
120 VAC
1
Condenser Fan
120 VAC
Voltage present when
condenser fan is on
2
N / A
3
N / A
4
Defrost Heater
120 VAC
Voltage present when
defrost heater is on
5
Ice Maker Enable
120 VAC
Voltage present when I/M
bail arm is down & I/M is
active
1
Air Door
2
Air Door
3
Compressor Drive
3 - 6 VDC
Measured at pins 3 & 8
4
Evap. Fan Feedback
N / A
5
Evap. Fan Constant
12 VDC
Measured at pins 5 & 9
6
Air Door
7
Air Door
8
Compressor Drive
3 - 6 VDC
Measured at pins 3 & 8
9
Evap. Fan Ground
Evap. GND
10
Evap. Fan Run Voltage
5 - 12 VDC Measured at pins 9 & 10
P 6
P 7
P 2
P 3
P 4
P 5
Содержание KSSC36FKB00
Страница 62: ...5 8 NOTES ...
Страница 66: ...6 4 NOTES ...
Страница 67: ...7 1 WIRING DIAGRAMS STRIP CIRCUITS WIRING DIAGRAM BOTTOM MOUNT P5 P7 P6 P2 P3 P4 ...
Страница 68: ...7 2 WIRING DIAGRAM SIDE BY SIDE MODELS P5 P7 P6 P2 P3 P4 OPTIONAL DISPENSER MODELS ONLY ...
Страница 72: ...7 6 NOTES ...
Страница 73: ...7 7 NOTES ...
Страница 74: ...7 8 NOTES ...
Страница 76: ......