2075DWRWC

Design Features Performance

The top and bottom valve can never be open at the same time. After initial startup whichever compartment calls for cooling first, will have priority. Once the setpoint is achieved the other compartment will be cooled if necessary.

When both compartments have reached setpoint and the compressor shuts off, the last bypass valve that was open will remain open for four minutes. This is done to help the refrigerant pressures stabilize and reduce hard starting of the compressor.

This unit can be put into a diagnostic mode.

1.Unplug unit

2.Install jumper on pins 9 and 10 on board.

3.Plug unit back in.

Based on the attached chart you can turn on and off each relay individually.

POT

2 3 4 5

TOP DRAWER

THERMISTOR 9 & 10 PINS

1 2 3 4 5 6 7 8 9 10

BOTTOM DRAWER

THERMISTOR

TOP

COND/GAS

COMPRESSOR

1

0

VALVE

FAN

 

-1

 

 

 

-2

BOTTOM

VALVE

POWER

TOP

 

 

LIGHT

BOTTOM

LIGHT

Control pot at 2 – bottom light Control pot at 0 – top light

Control pot at -2 – bottom bypass valve

-3 -4 -5

POWER ON

DISPLAY BOARD

CONNECTION

CONDENSER

FAN

J2TOP VALVE

1/4" SPADE

TERMINALS

CLRCO035C

Jumper on 1/4" spade terminals – COMPRESSOR Jump pins on J2 – TOP VALVE

Jump pins on J2 – CONDENSER FAN

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