Viessmann B2TB123 Condensing Boiler Manuals

Manuals and User Guides for Viessmann B2TB123 Condensing Boiler. We have 1 Viessmann B2TB123 Condensing Boiler manual available for free PDF download: Installation Instructions Manual

Viessmann B2TB123 Installation Instructions Manual

Viessmann B2TB123 Installation Instructions Manual (60 pages)

Brand: Viessmann | Category: Boiler | Size: 2 MB

Table of Contents

Safety, Installation and Warranty Requirements
2
Product Documentation
2
Warranty
2
Licensed Professional Heating Contractor
2
Contaminated Air
2
Advice to Owner
2
Carbon Monoxide
2
Fresh Air
2
Equipment Venting
2
About These Installation Instructions
3
Table of Contents
4
Important Regulatory and Installation Requirements
6
Codes
6
Instructing the System User
6
Initial Start-Up
6
Working on the Equipment
6
Technical Literature
6
Flow Switch Procedure
7
Applicability
8
Product Information
8
Mechanical Room
9
Before Set-Up
10
Minimum Clearances
10
Recommended Minimum Service Clearances
10
Connections
11
Boiler Venting
13
Connecting Power
13
Connecting Heating System
13
Proper Piping Practice
13
Gas Shut-Off Valve Connection
14
Gas Connection and Piping
14
Gas Piping Pressure Test
15
Flue Gas Connection
15
Removing the Front Panels
16
Accessing the Control Unit Connections
17
External Accessory Connection Box
20
Boiler Control Base
21
Condensate Connection
22
Vertical Piping Installation
23
Side Piping Installation
26
Installing Boiler Safety Devices
28
Boiler Connections
28
Safety Connections
29
Low Water Cut-Off
29
Waterside Flow
30
Waterside Flow (Primary Circuit)
30
Installation Examples
31
System Layout 1-8
32
Alternative Connection
40
Control Connections
41
Wiring Diagram
41
Electrical Connections
43
Power Supply Connection of Accessories
43
Connection of Accessories
43
Accessories Connection
44
Connection of Accessories
44
Low Voltage Plug X3
44
Accessing the X3 Plug
45
Connecting the Low-Loss Header Sensor
45
Connecting the Outdoor Temperature Sensor
46
LON Module
47
Installing the LON Module to the Boiler Control Board
47
Connecting the LON Module Cable
47
Routing the Connecting Cables
48
External 0-10 Volt Signal Connection
49
Connecting a 24 VAC Thermostat
50
Zone Circuit Thermostat Connections
51
Zone Circuit Pump Connection
52
Connection to Boiler
52
Connection at AMI (Accessory)
52
Accessory Kit
53
Closing the Boiler
53
Closing the External Accessory Connection Box
54
Reinstalling the Front Enclosure Panel
55
Fitting the Front Panels
55
Technical Data
56
Installation Fittings
58
Lighting and Operating Instructions
59

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