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Parameter setting
Sensor KNX AQS/TH-UP Touch
• Version: 23.10.2018 • Technical changes and errors excepted.
5.9.
Dewpoint measurement
The
Sensor KNX AQS/TH-UP Touch
calculates the dewpoint temperature and can
output the value to the bus.
Activate the monitoring of the coolant temperature if required. The menus for setting
the monitoring are displayed.
5.9.1. Cooling medium temp. monitoring
A threshold value can be set for the temperature of the coolant, which is based on the
current dewpoint temperature (offset/deviation). The switching output of the coolant
temperature monitoring system can provide a warning prior to any build-up of conden-
sation in the system, and/or activate appropriate countermeasures.
Threshold value
Threshold value = dewpoint tempe offset
Set, in which cases
offset
received via object is to be retained. Please note that the set-
ting "After power supply restoration and programming" should not be used for the in-
itial start-up, as the factory settings are always used until the first communication (set-
ting via objects is ignored).
During initial commissioning, an
offset
must be defined which is valid until the first
communication of a new offset. For units which have already been taken into service,
the last communicated offset can be used.
Use dewpoint temperature
No • Yes
Sending pattern
• never
• periodically
• on change
• on change and periodically
At and above change of
(if sent on change)
0,1°C • 0,2°C • 0,5°C • 1,0°C • 2,0°C • 5,0°C
Send cycle
(if sent periodically)
5 s • 10 s • 30 s • 1 min • … • 2 h
Use monitoring of the coolant temperature
No • Yes
The offset communicated last shall be
maintained
• never
• after power supply restoration
• after power supply restoration and
programming