CT-600-2
67
No.
Function
Description
Related
alarms,
warnings
(see 14.1)
Related
param.
(see 13.1)
Related
timers
(see 13.2)
Temperature signal (if available) is used
for validation in case presssure is
above high signal value of sensor.
2.3
Discharge
pressure low
Surveillance for low discharge pressure.
A warning is issued when the warning
limit is exceeded. An alarm is issued
when the alarm limit is exceeded (after
timer delay).
3
14, 15
24
2.4
Discharge
pressure high
Surveillance for high discharge
pressure. A warning is issued when the
warning limit is exceeded. An alarm is
issued when the alarm limit is exceeded
or the warning limit is exceeded for the
timer period. Booster systems will not
have alarm, when no compressor is
running.
4
16, 17
3
2.5
Pressure ratio
high
Surveillance for high pressure ratio. A
warning is issued when the warning
limit is exceeded. An alarm is issued
when the alarm limit is exceeded or the
warning limit is exceeded for the timer
period.
5
18, 19
4
2.6
Pressure
difference low
Surveillance for low pressure
difference. A warning is issued when
warning limit is exceeded. An alarm is
issued when alarm limit is exceeded
(after timer delay) or warning limit is
exceeded for timer period. Low
pressure difference warning is based on
compressor envelope lower right limit.
6
20-22
5, 22
2.7
Lubricating
pressure low
Surveillance for low lubricating
pressure. A warning is issued when the
warning limit is exceeded. An alarm is
issued when the alarm limit is exceeded
(after timer delay) or the warning limit is
7
23, 24
6, 23
