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Viessmann VITOTRONIC 100 GC1B User Manual

Viessmann VITOTRONIC 100 GC1B
120 pages
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Installation and Service
Instructions
for use by heating contractors
5693 970 - 05 02/2015
Read and save these instructions
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Vitotronic 100
Type GC1B
Digital boiler control unit
For use with Boiler models VD2A, VD2 and CT3
VITOTRONIC
r
100
Please file in Service Binder
IMPORTANT
Certified as a component
part for Viessmann boilers
Product may not be exactly as shown

Table of Contents

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Viessmann VITOTRONIC 100 GC1B Specifications

General IconGeneral
BrandViessmann
ModelVITOTRONIC 100 GC1B
CategoryControl Unit
LanguageEnglish

Summary

Safety, Installation, and Warranty Requirements

Licensed Professional Heating Contractor

Installation, service, and maintenance must be by licensed professionals.

Installation Examples

System Example 1

Single boiler system with Therm-Control.

System Example 2

Single boiler with shunt pump and mixing valve.

System Example 3

Single boiler system with Vitocrossal.

System Example 4

Multi boiler system with Therm-Control.

System Example 5

Multi boiler system with shunt pump.

System Example 6

Multi boiler system with pump and mixing valve.

System Example 7

Multi boiler system with Vitocrossal/Vitorond and Therm-Control.

System Example 8

Multi boiler system with Vitocrossal/low temp boiler and shunt pump.

System Example 9

Multi boiler system with Vitocrossal/low temp boiler, mixing valve, and pump.

Control Unit Installation

Mounting the Control Unit

Steps for physically mounting the control unit.

Installation Sequence

Overview of Electrical Connections

Diagram and explanation of electrical connections.

Inserting the Boiler Coding Card

Instructions for inserting the boiler coding card.

Adjusting the Fixed High Limit

How to adjust the fixed high limit setting.

Changing the Adjustable High Limit

How to adjust the adjustable high limit setting.

Service Scans

Troubleshooting

Fault Display

Information on displaying and interpreting faults.

Function Description

Boiler Water Temperature Control

How the boiler water temperature is regulated.

DHW Tank Control

How the domestic hot water tank is controlled.

Coding Level 1

Coding Level 2

Components

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