Setting and Indication
This refrigeration unit is equipped with the function of setting a variety of compressor operation modes by
the switch on the CRD2-EN-PCB.
Operating condition of the compressor can be checked by the 7-segment LED.
In particular, when any abnormality occurs in the refrigeration unit, an alarm LED (Red) lights up or blinks,
and the cause of abnormality is displayed digitally by an error code.
Switch and Indication
CRD2-EN-PCB
8P DIP switch(SW13)
7-segment LED
ALARM (Red) LED
Lights up or blinks
when abnormality
alarm is activated
Slide switch (SW14)
AUTO/FORCED
CHECK (Yellow) LED
EN - 29
Slide switch (SW15)
CONTROL/CHECK
Rotary switch (SW11)
▲ (UP) and
▼ (DOWN)
buttons