72
CT-600-2
No.
Function
Description
Related
alarms,
warnings
(see 14.1)
Related
param.
(see 13.1)
Related
timers
(see 13.2)
2.28 Compressor
feedback low
Surveillance of the feedback from the
compressor: compressor feedback is
negative when the compressor module
is off-line, has an active fault, its
operation is disabled, the start is
disabled, compressor run status differs
from start signal or device check fails.
An alarm is issued after timer delay. A
warning is issued when timer is active
or when the compressor module has an
active warning.
121, 122,
123
31
2.29 Eco system oil
level high
Surveillance for high level in the oil pot
of the economizer. A warning is issued
when the oil level sensor detects oil for
the timer period (only when at least one
compressor is running).
84
19
2.30 External
emergency stop
Surveillance of the digital emergency
stop signal. An alarm is issued when
the digital signal indicates alarm.
30
2.31 External alarm
Surveillance of the digital external alarm
signal. An alarm is issued when the
digital signal indicates alarm. A timer
delays the alarm signal.
31
29
2.32 External start
permission
Surveillance of the digital external start
permission signal. A warning is issued
when the external start permission is
removed. The capacity will be reduced
to zero (normal stop). An alarm will be
issued if still one compressor is running
after the timer period, when the external
start permission is removed.
34
28
2.33 Oil pump error
Surveillance of the digital error signal
from the oil pump motor. An alarm is
issued when the digital signal indicates
alarm.
37
