Viessmann Vitodens 100-W WB1B Series Installation Instructions Manual page 5

Rigid Venting Systems Installation Instructions
Componentry
Single Pipe Venting
(Room Air Dependent)
Requirements for UL/ULC Listed Rigid PP(s)
Vent Pipe Material.....................................................45
Vent and Air Intake Pipe Starter Adaptors - CPVC.........46
Vent and Air Intake Pipe Starter Adaptors - PP(s)..........48
Parallel adaptor for two-pipe system.........................49
Side Wall Vent Termination - Stainless Steel,
CPVC or PP(s)..........................................................50
Vent Length Requirements.........................................51
Maximum allowable equivalent length - horizontal......51
Maximum vent/air intake pipe length - vertical...........52
Multiple boiler installations (vertical termination
with multiple boilers).............................................54
Maximum vent/air intake pipe length -
horizontal/vertical (hybrid system)............................55
Standard long sweep elbows (for CPVC pipe only).....56
Equivalent vent length calculation example
- stainless steel system with plastic air intake pipe.....57
Equivalent vent length calculation example
- CPVC system......................................................58
Flashing and storm collar installation........................59
Component Parts of the PP(s) Venting System.............60
Vertical pipe system...............................................60
Horizontal pipe system............................................60
Venting - Single Pipe (Room Air Dependent).................62
Vent Requirements....................................................63
Combustion air supply............................................63
General Installation Information...................................64
Installation steps (outline).......................................65
Exhaust vent pipe material......................................65
Approved material for single pipe vent system...........66
Vent termination location requirements
(for installations in Canada)....................................67
Vent termination location requirements
(for installations in the U.S.A.).................................67
Support system.....................................................68
Flashing and storm collar installation........................68
Additional requirements for stainless steel
vent pipe material..................................................69
Exhaust vent pipe connection to boiler......................69
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