Sensors - Midea LSBLG MCF Series Technical & Service Manual

Flooded type water cooled screw chiller (MIC)
2).Cooling stop
4.

Sensors

1).Temperature sensors
The temperature sensors that unit users are all NTC thermistors, including chilled leaving water
temperature, chilled entering water temperature, discharge temperature, EXV discharge temperature.
NO. Name
1 Chilled entering water temp.
2 Chilled leaving water temp.
3 Cooling entering water temp.
4 Cooling leaving water temp.
5 Discharge temp.
6 EXV discharge temp.
7 Pipe temp.
Thermistors
For PTC thermistors, resistances vary with various temperatures.

Location
Motor thermistor are located in the motor winding and are connected to the compressor protection
module which will cut off the main power when motor winding temperature exceeds 110 ° C. Water
Stop
Running time is
NO
enough
YES
Unload to 50% step
Unload to 25% step
Compressor OFF
Compressor 25% SV OFF
Cooling tower off
Cooling pump off
Chilled pump off
Type
NTC,10k@25℃
NTC,10k@25℃
NTC,10k@25℃
NTC,10k@25℃
50k@25℃
NTC,50k@25℃
30
MCAC-CTSM-2018-1
Stop
Remark
Emerson
Emerson
Emerson
Emerson
CAREL
Emerson