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Viessmann
Control Unit
GC1
Viessmann GC1 User Manual
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49
If there is damage to the connecting cables or lines of
the appliance or externally installed accessories, these
must be replaced with special cables or lines. Only use
Viessmann cables / lines as replacement. For this,
notify your qualified contractor
.
Maintenance
Damaged cables / lines
5863758
48
50
Table of Contents
Safety Instructions
3
Installation Room Requirements
4
Introductory Information
9
Intended Use
9
Operating Principles
12
Control Unit Operation
13
Special Operating Programs
18
Setting the Room Temperature
22
Stopping Central Heating
24
Setting the "Time Program" for DHW Heating
28
Switching off DHW Heating
30
Further Adjustments
31
Setting the Display Brightness
31
Locking the Controls
32
Naming Heating Circuits
34
Calling up Help Messages
36
Calling up Information
36
Burner Faults
38
Scanning Fault Messages
39
Control Unit Controls
41
Without Frost Protection Monitoring (Shutdown)
42
Rooms Are too Cold
43
Rooms Are too Hot
44
There Is no Hot Water
45
"External Hook-Up" Is Displayed
47
"External Program" Is Displayed
47
Inspection and Maintenance
48
DHW Cylinder (if Installed)
48
Potable Water Filter (if Installed)
48
Damaged Cables / Lines
49
Maintenance
49
Fuel Oil Additives
50
Combustion Improvers
50
Buttons and Icons
51
Main Menu Overview
53
Heating Circuit Pump
65
Information on Disposal
67
Your Contact
72
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4
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Viessmann GC1 Specifications
General
Brand
Viessmann
Model
GC1
Category
Control Unit
Language
English
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