ABB i-bus KNX Product Manual page 12

• Objects 9, 10, 11, 12, 13, 14 for the inputs E1, E2 and E3
These objects are available when the interface on the Settings parameter page is
activated.
Its function is dependent on the parameters Function of E1, Function of E2 and
Function of E3 on the relevant parameter pages (inputs E1, E2 and E3).
A comprehensive description is given in the appendix in the chapter:
interface .
U H
• Object 15 "Switching between heating and cooling"
This object is used with
between heating and cooling is not required.
The cooling operation is switched on with a 1 and heating operation is switched on
with a 0.
• Object 16 "Fan level in override mode"
The fan level can be set manually by pressing the button on the unit.
This object then sends a percentage corresponding to the parameterised threshold
values.
This function both be blocked via a parameter and also be time-limited or
permanently switched.
See parameter page
• Object 17 "Fan override/auto"
Sends if an o verride fan level
H U
This means that a fan coil actuator can be put into override operation.
Depending on the application, the override mode is triggered either by a 0 or a 1.
→ See parameter Switch fan between auto and override on parameter page
Operation.
When returning to automatic mode, the status of the object is inverted again.
3.4 P arameters
1 2 B
The default values are all printed in bold.
2 pipe heating/cooling systems
H U
and in the appendix:
O peration
H U U H
is selected via the button.
U H
E xternal
H U
or if an automatic switchover
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F an override mode
H U
.
U H
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