CT-600-2 69
No. Function Description Related
alarms,
warnings
(see 14.1)
Related
param.
(see 13.1)
Related
timers
(see 13.2)
is issued when the alarm limit is
exceeded. Surveillance is not active
during the start phase. The surveillance
is timer delayed at start of first
compressor following low oil
temperature delay timer.
2.13 Discharge
temperature
change high
Surveillance for excessive drop in
discharge temperature for each
individual compressor. An alarm is
issued when the alarm limit is
exceeded.
171, 172,
173
53
2.14 Oil temperature
low
Surveillance for low oil temperature to
compressor. A warning is issued when
the warning limit is exceeded. An alarm
is issued when the alarm limit is
exceeded (after timer delay). The
surveillance is timer delayed at start of
first compressor.
15 82, 83 25
2.15 Oil temperature
high
Surveillance for high oil temperature to
compressor. A warning is issued when
the warning limit is exceeded. An alarm
is issued when the alarm limit is
exceeded (after timer delay).
16 80, 81 27
2.16 Oil separator
temperature low
Surveillance for low oil separator
temperature. A warning is issued when
the warning limit is exceeded. An alarm
is issued when the alarm limit is
exceeded.
17 84, 85
2.17 Oil separator
level low
Surveillance for low level in oil
separator. A warning is issued when the
low level sensor does not detect oil. An
alarm is issued, when the warning is
active for the timer period (only when at
least one compressor is running).
18 8
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