Viessmann GC1 - Connection and Wiring Diagram

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Vitotronic 100, GC1B / Vitotronic 300-K, MW1B Installation and Service

Connection and Wiring Diagram

Wiring, Vitotronic 100

Overview

Legend

A2 Main PCB low voltage

A3 Main PCB 120V~

A6 Programming unit

A7 Optolink PCB/emissions test switch

A8 PCB

A9 Boiler coding card

A10 LON communication module (accessory)

A11 Power supply unit PCB

A12 Boiler control section

X Electrical interfaces

Main Page

General2
General Safety, Installation and Warranty Requirements2
Safety, Installation and Warranty Requirements2
Product Information2
- Table of Contents3
- Safety for Your Safety6
Safety6
For Your Safety6
About These Instructions7
Installation Examples8
Overview of System Examples8
System Example 19
- Multi Boiler System: Boiler with Therm-Control9
- Equipment Required10
- Electrical Installation Scheme13
- Code Required at Every Vitotronic 10016
- Code Required at the Vitotronic 300-K16
System Example 217
- Multi Boiler System: Boilers with Shunt Pump for Every Boiler for Return Temperature Raising17
- Equipment Required18
- Electrical Installation Scheme21
- Code Required at Every Vitotronic 10024
- Code Required at the Vitotronic 300-K24
System Example 325
- Multi Boiler System: Boilers with Boiler Circuit Pump and 3-Way Mixing Valve Return Temperature Raising25
- Equipment Required26
- Electrical Installation Scheme29
- Code Required at Every Vitotronic 10032
- Code Required at the Vitotronic 300-K32
System Example 433
- Multi Boiler System: Vitocrossal and Low Temperature Boilers with Therm-Control, with Several Heating Circuits and One Low Temperature Heating Circuit33
- Equipment Required34
- Electrical Installation Scheme37
- Code Required at Every Vitotronic 10040
- Code Required at the Vitotronic 300-K40
System Example 541
- Multi Boiler System: Vitocrossal and Low Temperature Boilers with 3-Way Mixing Valve, with Several Heating Circuits and One Low Temperature Heating Circuit41
- Equipment Required42
- Electrical Installation Scheme45
- Code Required at Every Vitotronic 10048
- Code Required at Every Vitotronic 300-K48
Control Unit Installation49
Mounting the Control Unit49
Fitting the Control Unit Front50
Opening the Control Unit51
Vitotronic 100, Installation52
Overview of Electrical Connections52
Pump Connection Overview54
Inserting Cables and Applying Strain Relief55
Inserting the Boiler Coding Card55
Vitotronic 100, Installation56
Adjusting the Fixed High Limit (if Required)56
Inserting the LON Communication Module56
Changing the Adjustable High Limit (if Required)57
Connecting Sensors57
Power Supply58
External Connections59
Connecting Actuators60
Connecting the Central Fault Message Facility61
Connection of Low Water Cut-Off Device61
Connection to Safety Equipment61
External Burner Blocking62
Connections to Terminal62
Vitotronic 100, GC1 with 30% LTP Package (VD2 Only)63
External Changeover of Multi Stage/Modulating Burners64
Blocking Boiler Externally/Adding to the Boiler Sequence64
Connection of Combustion Air Device65
Connection of Combustion Air Device on Multiple Boiler Systems66
Burner Connection, Burner Control Wiring67
Burner Connection, Motor Power Supply69
Vitotronic 300-K, Installation72
Overview of Electrical Connections72
Inserting Cables/Leads and Applying Strain Relief74
Connecting Pumps75
Connecting Sensors76
Power Supply77
External Connections78
Connecting Actuators79
Connecting the Central Fault Message Facility80
External Demand Via Switching Contact80
External Demand Via 0-10V Input81
External Blocking Via Switching Contact81
External "Mixing Valve Closed"/"Mixing Valve Open82
External Heating Program Changeover82
Making the LON Connection83
Commissioning84
Testing the Fixed High Limit - Vitotronic 10084
Changing the Language on the Vitotronic 300-K84
Setting the Date and Time on the Vitotronic 300-K84
Matching the Coding Addresses to the System Version85
Selecting the Boiler Sequence at the Vitotronic 300-K86
Connecting the Control Unit to the LON87
Checking Actuator and Sensors at the Vitotronic 10090
Commissioning91
Checking Actuator and Sensors at the Vitotronic 300-K91
Adjusting Heating Curves92
Calling up Service Level94
Exiting the Service Level94
Scanning Operating Data94
Brief Scan95
Scanning and Resetting Service Display96
Calling up Service Menu97
Scanning Operating Data97
Brief Scan98
Scanning and Resetting Service Display98
Fault Display99
Service Scans, Vitotronic100
Fault Codes100
Fault Display103
Fault Codes104
Boiler Temperature Control-Vitotronic 100108
Boiler Temperature Control-Vitotronic 300-K109
Cascade Control of the Vitotronic 300-K110
Heating Circuit Control Unit of the Vitotronic 300-K113
DHW Tank Temperature Control of the Vitotronic 300-K117
Calling up Coding Level 1119
Group 1 "General120
Group 2 "Boiler120
Calling up Coding Level 2122
Group 1 "General123
Group 2 "Boiler125
Calling up Coding Level 1128
General" Group129
Cascade" Group130
DHW" Group130
Solar" Group131
Heating Circuit 1", "Heating Circuit 2", "Heating Circuit 3" Group132
Calling up Coding Level 2135
General" Group136
Cascade" Group141
DHW" Group142
Solar" Group144
Heating Circuit 1", "Heating Circuit 2", "Heating Circuit 3" Group147
Connection and Wiring Diagram151
Connection and Wiring Diagram154
Sensors158
Mixing Valve Motor Kit159
Extension EA1 Accessory (Optional)160
Parts List Vitotronic 100161
Parts List Vitotronic 300-K162
Specification Vitotronic 100164
Specification Vitotronic 300-K164

Viessmann GC1 - Connection and Wiring Diagram

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