Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual page 6

Table of Contents
Componentry (System Options)
6
Rigid Venting Systems Installation Instructions
Exhaust vent termination options.............................70
Other exhaust vent termination options (horizontal)....70
Coaxial increaser....................................................71
Component parts of the venting system
- stainless steel......................................................72
Additional requirements for CPVC vent pipe material..73
Exhaust vent connection to boiler............................73
Approved vent pipe material...................................73
Required starter adaptors and mesh screen
for CPVC system...................................................73
Requirements for UL/ULC Listed Rigid PP(s)
Vent Pipe Material.....................................................74
Vent system manufacturers...................................74
Boiler Connections with PP(s) system..........................75
Vent pipe starter adaptors.......................................75
Side Wall Vent Termination........................................76
Vent Length Requirements.........................................77
Maximum vent pipe length - horizontal.....................77
Maximum vent pipe length - vertical.........................78
Standard long sweep elbows (for CPVC pipes only)...79
Component Installation Guide.....................................80
General single-pipe vertical venting layout.................80
Single-pipe vent starter adaptor installation..............81
Ceiling/Roof opening...............................................81
Flashing and storm collar installation........................82
Vent termination location requirements - vertical........82
Multiple boiler installations......................................83
Single-pipe vent termination installation...................84
General installation examples - vertical.....................84
Equivalent vent length calculation example - vertical..85
Installation of Support system - PP(s)..........................86
Supports...............................................................86
Bracing.................................................................86
Two Pipe Options WB1B 26.35, WB2B 19/26/35
(Direct Vent)............................................................87
Single Pipe Options WB1B 26.35, WB2B 19/26/35
(Room Air Dependent)...............................................88
Two Pipe Options WB2B 45/60 (Direct Vent)...............89
Single Pipe Options WB2B 45/60 (Room Air
Dependent)..............................................................90
Two Pipe Options WB2B 80/105 (Direct Vent).............91
Single Pipe Options WB2B 80/105 (Room Air
Dependent)..............................................................92
Coaxial Vent System Options (Direct Vent)..................93
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