Pag. 28-EN UMT/WG T BT Rev3.0 – 08/10/2021
Gas cooler pressure probe broken
or disconnected.
Gas cooler pressure probe broken,
disconnected or not properly
configured
No action on the regulation
The opening of HPV valve
will be fixed at a safety
value settable in mask
Fhb13
External temperature probe broken
or disconnected.
External temperature probe could
be broken, disconnected or not
properly configured
All Functions managed by
this probe will be disabled:
- Floating Condensing
setpoint
- auto-switch of regulation
on T_ext in case of
T_outlet_GC is fault (mask
Dag14)
- speed up opening of gas
cooler 3-Way valve
according to T_ext (mask
Dag13)
Suction pressure probe broken or
disconnected.
Suction pressure probe broken,
disconnected or not properly
configured
Shut off of LT/MT
compressor (according to
the setting made on mask
Cag03)
Suction temperature probe broken
or disconnected.
Suction temperature probe broken,
disconnected or not properly
configured
No action on the regulation
gas cooler out temp.probe broken.
Gas Cooler outlet temperature
probe broken, disconnected or not
properly configured
Shut off Gas Cooler 3way
valve
Parallel line suction pressure probe
broken or disconnected.
Parallel suction pressure probe
broken, disconnected or not
properly configured
No action on the regulation
Parallel Compressor will be
shuted off by regulation
Parallel line suction temperature
probe broken or disconnected.
Parallel suction temperature probe
broken, disconnected or not
properly configured
No action on the regulation
LT line discharge pressure probe
broken or disconnected.
LT discharge pressure probe
broken, disconnected or not
properly configured
LT line discharge temp probe
broken or disconnected.
LT discharge temperature probe
broken, disconnected or not
properly configured
Common high condensing pressure
switch alarm.
High Pressure pressure switch (for
Parallel/MT compressor). It is active
when Gas Cooler pressure is higher
than the pressure switch threshold
Shut off Parallel/MT
compressor