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OpenTherm
Viessmann OpenTherm User Manual
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6
Auxiliary components, spare and wearing parts
!
Please note
Components not tested with the
heating system may damage the
system or affect its function.
Only allow qualified contractors
to carry out installation or
replacement work.
Safety instructions
For your safety
(cont.)
5837779
5
7
Table of Contents
Default Chapter
7
Table of Contents
7
Information
9
Symbols
9
Intended Use
10
Introductory Information
11
Control Unit Function Modes
11
Where to Find the Controls
12
Summary of Controls and Indicators
12
Controls and Display Elements
12
Symbols on the Display
13
Commissioning
15
Heating System Operating Mode
15
Time Program or Operating Mode
16
Selecting the Time Program or Operating Mode
16
Preset Time Programs
16
Constant Operating Modes
17
Changing the Selected Time Program and Set Temperatures
18
Central Heating
20
Selecting the Operating Mode
20
Temporarily Changing the Room Temperature
20
Temporarily Changing the Set Room Temperature
20
Comfort Mode
20
Reduced Mode
21
Permanently Changing the Room Temperature
21
Changing the Heating Curve for Weather-Compensated Operation
22
Changing the Room Temperature for a few Days (Holiday Mode)
24
Stopping or Interrupting the Holiday Program
25
DHW Heating
26
Setting the Time Program and DHW Temperature
26
Changing or Deleting Switching Times
26
Temporarily Changing the DHW Temperature
26
Further Adjustments
27
Time and Date
27
Summer/Wintertime
27
Further Settings
27
Setting the Language
28
Changing the Default Display
28
Setting the Contrast
29
Locking out Controls (Key Lock)
29
Temporarily Interrupting or Unlocking Key Lock
29
Changing the Display Format of Fault Messages
29
Returning All Settings to Their Delivered Condition
29
Checks
30
Checking Information
30
What to Do if
31
Rooms Are too Cold
31
Rooms Are too Hot
31
Carrying out a Reset
32
Maintenance
33
Cleaning
33
Appendix
34
Menu Structure in Setting Mode (MODE)
34
Menu Structure in Settings
34
Keyword Index
36
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Viessmann OpenTherm Specifications
General
Brand
Viessmann
Model
OpenTherm
Category
Temperature Controller
Language
English
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