Arctiko SF SERIES, Service Manual, Page: 9 / 48

9
Examples of troubleshooting with a manometer connected to the process piping of the cooling sy-
stem. The system is blocked:
Suction pressure is very low.
Pressure equalization takes place very slowly or not at all.
Reason: Icing or dirt in the capillary tube or lter, or blockings in the system due to other reasons.
Reason: No compressor capacity
The suction pressure is too high.
The suction pressure does not change noticeably when the compressor stops.
This can be tested with a volumetric meter.
Leakage in the system
The pressure gauge indicating insuf cient suction pressure.
On the pressure side the temperature increases.
Pressure equalization time is short.
Countervailing pressure is lower than expected.
Be sure that the pressure is suf cient for a pressure test.