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20
166240004
12/1/94
Rev 3/4/96
YL
YL
RH Evap.
Water
Dump
Valve
Contactor
Water
Pump
1
3
5
7
2
4
230v
115v
Voltage
Selector
Switch
GR
LH Evap.
Condenser
plug
Suction plug
Test
Plug
Options
Plug
Adjustable Ice
Thickness Pot.
Micro Processor
Stacking
Cable
Plug
Manual
Harvest
Switch
Transformer
To Stacked Unit
(if required)
Fan
GR
RD
Error
Condenser Sensor
Suction Line Sensor
N
S
N
S
RH Evap. Switch
LH Evap. Switch
6
8
neutral
DĆ15
DĆ13
DĆ14
DĆ12
DĆ10
Hot Gas
DĆ11
DĆ6
DĆ5
White
Brown
LED INDICATORS
The LEDs are board circuit indicators. If the LED in the functional board circuit is complete, check component.
Example: Contactor does not energize and LED is “ON”, board circuit is OK. Check contactor, coil, leads, &
connections.
Yellow:
S Evaporator switch(s) (proximity)
Green:
S Water dump valve
S Compressor contactor
S Water Pump
S Hot Gas Valve
S Condenser Fan (cycles on & off with fan)
Red:
Error in system operation. Product shut down.