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Siemens
Standard application AHU
CE1P3977en_02
Building Technologies
Functions
01.02.2010
Parameter
Range
Function
fdbk
back alarm is triggered. Jitter time is enabled exclusively if the feedback is
pending after this period.
Off by fdbk
alarm
– No
– Yes
Determines, in the event of a feedback fault, whether a humidifier command
is still pending or whether to switch off the command.
Feedback can only be used as alarm, when Contact function = NO (Normally
Open) and the element is set to ON.
5.11.6 Humdifier pump
Humidifier pump is enabled:
Main Index > Configuration > Configuration 2 >
Humiditfier Pump <> No
The pump
starts
, if one of the following conditions is met:
•
No fault is pending
and
the output for the humidifier controller is opened to at
least 5 %.
or
•
Pump kick is enabled.
The pump
stops
for the following cases:
•
A fault occurs.
or
•
The humidifier controller is under 1 %. Which conditions apply here?
Operating hours for the pump can be recorded and reset:
Main Index > Unit > Operating hours > Humidifier pump
Main Index > Unit > Humidity control > Humidification > Pump
Parameter
Range
Function
Command
– Off
– On
Current pump state. Go to page with digital out-
put settings.
Feedback
– OK.
– No Fdbk
Present state of pump feedback.
Go to page with digital input settings. For exam-
ple, you can set the time for jitter protection (De-
fault: 5 s).
Alarm
– OK.
– Alarm
Current pump alarm state.
Go to page with digital input settings. For exam-
ple, you can set the time for jitter protection (De-
fault: 0 s).
Start up delay fdbk
0...36000 [s]
Defines the period after a pump start without
feedback before a feedback alarm is triggered.
Jitter time is enabled exclusively if the feedback
is pending after this period.
Off by fdbk alarm
– No
– Yes
Determines, in the event of a feedback fault,
whether a pump command is still pending or
whether to switch off the command.
Min run time
0...36000 [s]
Define the minimum runtime for the pump after a
start.
Feedback can only be used as alarm, when Contact function = NO (Normally
Open) and the element is set to ON.
Note
Prerequisite
Function
Record operating hours.
Parameter
Note
Basis Document Siemens Climatix Control System
BDCX.100820.01GB
Page 88