2
Contents
Description of controller
2.1 Speci
fi
cations
2.2 About the controller
2.3 Scope of supply
2.4 Disposal of pollutants
2.5 Hydraulic variants
2
5
6
6
6
7
Operation
4.1 Display and input
4.2 Menu sequence
4
14
15
Parametrisation
5.1 Commissioning help
5.2 Free commissioning
5
16
16
Malfunctions/mainte-
nance
16.1 Error messages
16.2 Replacing the fuse
16.3 Maintenance
16
35
36
36
N
Protective functions
Menu 6
11.1 Anti-seizing protection
11.2 Frost protection for the
heat
pump
11.3 Max. heating circuit
11.4 Max. domestic hot
water
11.5 Anti-Legionella
11
28
28
28
28
28
Special functions
Menu 7
12.1 Program selection
12.2 Heat metering
12.3 Sensor calibration
12.4 Commissioning
12.5 Factory settings
12.6 Expansions
12.7 Heat pump system
12
30
30
30
30
30
30
32
Useful notes
17
37
Chapter
Page
Chapter
Page
Measurement values
Menu 1
6
17
Statistics
Menu 2
7.1 Operating hours
7.2 Average
Δ
T
7.3 Heat output
7.4 Graphic overview
7.5 Error messages
7.6 Reset/clear
7
18
18
18
18
18
18
Operating times
Menu 3
8.1 Time & date
8.2-8.4 Heating circuit
8.5-8.7 Domestic hot water
8
19
20
21
Settings
Menu 5
10.1 Su/Wi day
10.2 Su/Wi night
10.3 Min.
fl
ow
10.4 Slope
10.5 Day correction
10.6 Night correction
10.7 Comfort tempera-
ture
boost
10.8 Low-rate period boost
10.9 Set/Actual-
10.10 Set/
10.11 HW min.
10.12 HW heating
10.13 HW heating for low-
rate
period
10
24
24
24
25
26
26
26
26
27
27
27
27
27
Menu block
Menu 8
33
13
Language
Menu10
14
33
Service values
Menu 9
15
34
Safety instructions
1.1 EC conformity
1.2 General instructions
1.3 Explanation of symbols
1.4 Changes
1.5 Warranty
1
3
3
3
4
4
Operating modes
Menu 4
9.1 Heating circuit
9.2 Domestic hot water
9.3 Manual
9
22
22
23
Installation
3.1 Wall installation
3.2 Electrical connection
3.3 Installing the sensors
3.4 Installing RS-485
3.5 External error condition
3
8
9-12
13
13
13