AIR COOLED SCROLL CHILLER MAINTENANCE
33
Defrost
temp.
sensor 1
Defrosting temp.
sensor 1 protection
Defrost
temp.
sensor 2
Defrosting temp.
sensor 2 protection
Defrosting temp.
sensor
In case of open circuit or short circuit of defrosting
temp. sensor, error code will be displayed and all
loads will be stopped. The unit will resume
running if the problem is solved.
High
discharge
temp. 1
High discharge temp.
protection of
compressor 1
Discharge temp.
sensor of system 1
High
discharge
temp. 2
High discharge temp.
protection of
compressor 2
Discharge temp.
sensor of system 2
In case of open or short circuit of discharge temp.
sensor, error code will be displayed and all loads
will be stopped. The unit will resume running if
the problem is solved.
2 FLOW CHART OF TROUBLESHOOTING
1)High pressure protection