DX type water-cooled screw chiller (PCB Control)
MCAC-CTSM-2014-03
54
3.1 Status information- display of temperature and pressure
Figure 6.7
3.2 Status information-input status:
Input status page:
“ON” represents the input point is closed, OFF represents the input point break.
“Compressor overload protection switch”, when the machine is overload, “compressor overload
protection switch” input state switches to “ON” and unit enters fault protection state. Normal state of
compressor overload protection switch is “OFF”, and normal state of rest protections is “ON”.
Figure 6.8 (Remark: subject to the actual principle diagrams)
①
“Remote start/stop”, it displays the status of remote start or remote stop. User needs to install the
point contact type control switch.
②
“Chilling/Chilled water flow switch”, it outputs is OFF if water don’t flow, on the contrary, it outputs
ON.
③
“Contactor protection”, the output switches from OFF to ON when the compressor operates and