User Manual

Functions
Additional functions
4
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When condensation is detected with
● Control only with 6-port control ball valve:
o When P201 = 6 or 8, the valve will be close (5 V).
o When P201 = 7 or 9, the valve will be close (6 V).
● Control with combi-valve (PICV): The PICV will be closed and the 6-port ball
valve will not.
The condensation symbol displays during temporary override and the fault
"Condensation in room" is sent via bus.
The input must be commissioned accordingly (P150, P153 and P155).
See Multifunctional input, digital input [➙ 88].
In order to prevent valve freezing after long period inactivity (e.g. cooling valves in
winter), valves need to be activated periodically. For energy saving, valve
exercising function is triggered if valves are closed for 91 hours. The valves are
activated 2 minutes every 91 hours. This function can be enabled via P250.
4.6.5 User operation / Indication
If the "Button lock" function is enabled by P028, lock or unlock them by pressing
the right button for 3 seconds.
If "Auto lock" is configured, the thermostat automatically locks the buttons 10
seconds after the last adjustment.
P028 can be configured as following:
P028
0 Unlocked
1 Auto lock
2 Manual lock
3 Lock the operating mode
4 Lock the Setpoint shift
5 Lock fan speed
6 Lock operating mode and setpoint shift
7 Lock operating mode and fan speed
8 Lock setpoint shift and fan speed
When P028 is set as 3…8, related function is locked, the corresponding icon
cannot be displayed.
The green leaf indication is an energy-efficient setting and indicates the end user
settings:
● Green leaf: Settings are within the preset energy-efficient range
● Red leaf: Settings exceed the preset energy-efficient range
Green leaf functionality is configured via P110:
● 0 = Disabled (OFF)
● 1 = Green and red dimmed out
● 2 = Green dimmed out / red fixed
● 3 = Green and red fixed
Note
Fault state “condensation”
(P150 / P153 / P155 = 4)
Fault information
Valve exercising (P250)
Button lock (P028)
Green leaf indication
(P110, P111)