GEA Grasso M-Series Operating Manual page 71

Operating Manual | GEA Grasso M-Series
Screw Compressor Packages
Table of malfunctions
Fault
When operting, the package/chiller
is louder than permitted.
GEA Refrigeration Germany GmbH | P_261511_1 | Generated 01.04.2015
Cause
The pressure governor is defective
or set wrongly.
The heat transfer capacity of the
evaporator decreases.
The compressor(s) or the drive
motor(s) is/are defective.
Use, operation, control
Remedy
Remove the minimum pressure
governor, repair it, set it correctly or
replace it.
Check the evaporator for elevated
oil concentration, drain oil if neces-
sary.
Inform the GEA Refrigeration Ger-
many GmbH customer service
71