15
20
13
18
16
Table
Functions
of con-
tents
1
Indicates the status of the Q6 and Q7 relay contact outputs (corresponding to terminals 6 and 7 shown on the wiring dia-
grams); the up-arrow indicates that the Q6 output is active, while the down-arrow indicates that the Q7 output is active.
2
Function not used
3
Heat pump unit in operation (first stage)
4
Function not used
5
Function not used
6
Function not used
7
Zone 1 pump in operation
8
Boiler charging pump in operation (if the system includes a boiler)
9
Solar panel pump in operation (if the system includes a solar panel circuit)
10
Mixed circuit pump in operation
11
Mixing valve indication
12
Mixing valve status (up-arrow = valve open; down-arrow = valve closed)
13
Wiper to indicate the function enabled (see previous tables)
14
Wiper to indicate the day of the week (see previous tables)
15
Summer operation enabled
16
Function not used
17
Normal program active indicator
18
Reduced program active indicator
19
Antifreeze program active indicator
20
System time display
21
Active display during the boiler operation/setting
22
Zone index (from one up to a maximum of 7, before installing the requested accessory modules)
23
Indication of the internal temperature and/or zone set point change/display
24
Display of the parameter values and/or probe readings
25
Display of the parameter values and/or probe readings
26
Indication of the external temperature change/display
27
Active display during the zones operation/setting
28
Time switch program indicator
29
Indication of the temperature and/or boiler set point change/display
14
OPERATION DISPLAY
14
16
1
24
2
2
22
3
4
6
4
6
7
1
8
8
2
14
10
12
9
3
10
1
2
17
3
28
4
5
27
26
11
29
12
25
18
19
1
24
2
2
22
20
3
20
4
4
18
6
1
16
8
21
2
14
10
12
3
22
24
23