ABB i-bus KNX Product Manual page 22

ABB i-bus KNX
© 2009 Busch-Jaeger Elektro GmbH – A Company of the ABB Group
Commissioning
Switchover between heating and cooling
Options: - Automatic
- Automatic and send
- Exterior
You can switch between heating and cooling automatically in the room
thermostat. To do so, select the "Automatic" option. This ensures that the
room thermostat checks the configured setpoints for heating and cooling.
The option "Automatic and send" also allows you to switch automatically.
In addition, a toggle telegram is sent and can be analysed by other room
thermostats. The "Exterior" option allows you to switch via an associated
1-bit communication object.
Additional heating stage active
Options: - Yes
- No
In specific instances such as when using underfloor heating, it may be
necessary to install a quick additional stage for the heat control in order
to warm up the room rapidly. When the ambient temperature controller is
set to "Yes", it has a second heating system with switching control (1-bit) or
continuous control (1-byte).
This parameter is only available if the "Heating" or "Heat and cool" control
functions are used.
Additional cooling stage active
Options: - Yes
- No
In specific instances, it may be necessary to install a quick additional stage
in the cooling control in order to cool off the room rapidly. When the ambient
temperature controller is set to "Yes", it has a second cooling system with
switching control (1-bit) or continuous control (1-byte) 100%.
This parameter is only available if the "Cooling" or "Heat and cool" control
functions are used.
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