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VITOTRONIC 100 GC1B
Viessmann VITOTRONIC 100 GC1B User Manual
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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
2
Table of Contents
General
2
Safety, Installation and Warranty Requirements
2
Product Information
2
General Safety, Installation and Warranty Requirements
2
Table of Contents
3
Safety
6
For Your Safety
6
Safety for Your Safety
6
Installation Examples
7
Overview of System Examples
7
Designations in the System Schemes
8
System Example 1
9
Single Boiler System: Boiler with Therm-Control
9
Equipment Required
10
Electrical Installation Scheme
11
Wiring Diagram
12
Required Code
12
System Example 2
13
Single Boiler System: Boiler with Shunt Pump and 3-Way Mixing Valve for Return Temperature Raising
13
Equipment Required
14
Electrical Installation Scheme
15
Required Code
16
System Example 3
17
Single Boiler System with Vitocrossal
17
Equipment Required
18
Electrical Installation Scheme
19
Required Code
20
System Example 4
21
Multi Boiler System: Boiler with Therm-Control
21
Equipment Required
22
Electrical Installation Scheme
23
Required Code
24
System Example 5
25
Multi Boiler System: any Boiler with Shunt Pump for Return Temperature Raising
25
Equipment Required
26
Electrical Installation Scheme
27
Required Code
28
System Example 6
29
Multi Boiler System: any Boiler with
29
Return Temperature Raising
29
Equipment Required
30
Electrical Installation Scheme
31
Required Code
32
System Example 7
33
Multi Boiler System: Vitocrossal or Vitorond with Therm-Control (with a Low Temperature Heating Circuit)
33
Equipment Required
34
Electrical Installation Scheme
35
Required Code
36
Installation Example (Continued)
36
System Example 8
37
Multi Boiler System: Vitocrossal and Low Temperature Boiler with Shunt Pump for Raising the Return Temperature
37
Equipment Required
38
Electrical Installation Scheme
39
Required Code
40
System Example 9
41
Multi Boiler System: Vitocrossal and Low Temperature Boiler with 3-Way Mixing Valve and Boiler Circuit Pump
41
Equipment Required
42
Electrical Installation Scheme
43
Required Code
44
Control Unit Installation
45
Mounting the Control Unit
45
Fitting the Control Unit Front
46
Opening the Control Unit
47
Installation Sequence
48
Overview of Electrical Connections
48
Pump Connection Overview
50
Inserting Cables and Applying Strain Relief
51
Inserting the Boiler Coding Card
52
Inserting the LON Communication Module (if Required)
52
Adjusting the Fixed High Limit (if Required)
53
Changing the Adjustable High Limit (if Required)
53
Connecting Sensors
54
Power Supply
54
120V External Connection
55
Connecting Actuators
56
Connecting the Central Fault Message Facility
57
Connection of Low Water Cut-Off Device
57
Connections to Safety Equipment Abö
58
Connections to Terminal Aba
58
External Blocking - Single Boiler System
59
Vitotronic 100, GC1B with 30% LTP Package (VD2 Only)
60
External Changeover of Staged/Modulating Burners
61
Connection of Combustion Air Device
61
Provisional Burner Operation Abö
62
Single Boiler System - Connecting an External Control Unit
62
Multi Boiler System - Connecting an External Control Unit
66
Burner Connection, Burner Control Wiring
71
Burner Connection, Motor Power Supply
73
Commissioning
76
Testing the Fixed High Limit
76
Matching the Coding Addresses to the System Version
76
Commissioning Testing the Fixed High Limit
76
Checking Actuator and Sensors
78
Connecting the Control Unit to the LON
79
Integrating a Control Unit into the LON
80
Making the LON Connections
81
Entering a Service PIN for LON Participants
82
Entering a PIN Code for Vitocom 100
82
Calling up Service Level
83
Leaving the Service Level
83
Scanning Operating Data
83
Brief Scan
83
Scanning and Resetting Service Display
85
Fault Display
85
Boiler Water Temperature Control
91
DHW Tank Control
96
Calling up Coding Level 1
98
Category 1 "General
98
Category 2 "Boiler
99
Category 3 "DHW
100
Category 4 "Solar
101
Calling up Coding Level 2
102
Category 1 "General
103
Coding Level 2
104
Category 2 "Boiler
106
Category 3 "DHW
109
Category 4 "Solar
110
Connection and Wiring Diagram
113
Overview
113
Main PCB Low Voltage
114
Main PCB 120V
115
Boiler Coding Card
116
Sensors
116
Checking Sensors
116
Flue Gas Temperature Sensor
116
Extension EA1 Accessory (Optional)
117
Parts List
118
Specification
119
5
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Viessmann VITOTRONIC 100 GC1B Specifications
General
Brand
Viessmann
Model
VITOTRONIC 100 GC1B
Category
Control Unit
Language
English
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