Viessmann VITOTRONIC 100 GC1B Service Manual download pdf (Page 76)

Installation

Connection of the Compiled Failure Alarm Indicator (VD2/VD2A/CT3 only)

Rated voltage: 120 VAC 60 Hz

Rated current: max. 2 FLA

Recommended connection

wire size: AWG 14

1. Disconnect power to control and

burner.

2. Connect the compiled failure alarm

as shown in the diagram.

A Connect terminal strip in

connection enclosure of boiler

control

B Visual and/or audible alarm

device (120 VAC)

5351 338 v1.6

1 2 ... 71 72 73 74 75 76 77 78 79 80 81 ... 131 132

Installation and 1
Service Instructions 1
VITOTRONIC 100, GC1 1
General information 2
Product Information 4
General Information 5
Heating System Types 5
Start-up 6
Scanning Service Information 6
Troubleshooting 6
Functional Description 6
Additional Information 6
Circuit Diagram 1 8
Circuit Diagram 1 (continued) 9
Circuit Diagram 2 10
Circuit Diagram 3 11
Circuit Diagram 3 (continued) 12
Circuit Diagram 4 13
Circuit Diagram 4 (continued) 14
Circuit Diagram 5 15
Circuit Diagram 5 (continued) 16
Circuit Diagram 6 17
Circuit Diagram 6 (continued) 18
Circuit Diagram 7 19
Circuit Diagram 7 (continued) 20
Circuit Diagram 8 21
Circuit Diagram 8 (continued) 22
Circuit Diagram 9 23
Circuit Diagram 9 (continued) 24
Circuit Diagram 10 25
Heating system types 26
IMPORTANT 26
Circuit Diagram 11 27
Circuit Diagram 12 29
Circuit Diagram 13 31
Circuit Diagram 14 (CM2 only) 33
Circuit Diagram 15 (CM2 only) 35
Installation 37
Sensor Connection 49
(CM2 only) 72
Procedure (overview) 84
Steps (continued) 86
Overview of Service Levels 92
Scanning service information 93
Troubleshooting Steps 99
Diagnosis 100
Diagnosis (continued) 101
Boiler Temperature Control 105
Heating Circuit Control 106
DHW Tank Temperature Control 106
Functional description 107
Overview 108
Technical Data 109
System Components 109
System Components (continued) 110
Coding 1 115
Coding 1 (continued) 116
Coding 2 117
Coding 2 (continued) 118
Coding 2 ((continued) 119
Wiring Diagrams 125
Wiring Diagrams (continued) 126
GC1 Series 130
Parts List 131
Additional information 132
Quick Reference 132

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Viessmann VITOTRONIC 100 GC1B Service Manual Page 76

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