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5601 189 v1.1
Vitodens 100-W, WB1B Technical Data
Standard Equipment
The Vitodens 100-W gas-fired condensing boiler with
Inox-Radial heat exchanger surfaces, modulating stainless
steel MatriX cylinder gas burner c/w:
g installation fittings with 30 psig pressure relief valve,
air vent and pressure gauge
g
two fill/drain valves
g all mounting hardware
The boiler comes fully piped and pre-wired.
Venting material (coaxial) or single pipe PP(s) is to be
supplied by Viessmann only. Side wall vent installations
must include Viessmann protective screen!
Wall mounting componentry
The following wall mounting components are supplied with
the Vitodens 100-W boiler:
g Mounting bracket
g Mounting bolts
g Installation fittings
g Screws for mounting bracket on
- wood studs (2” x 4”)
- metal studs
- brick/concrete wall
How the Vitodens 100-W boiler operates...
The Vitodens 100-W boiler uses a premix combustion
system, which is designed to deliver a certain air-gas
mixture to the burner for complete combustion. The gas
is injected upstream of the blower. The burner and heat
exchanger are part of a forced-draft design. The benefits
of forced-draft systems are lower component
temperatures, direct air-fuel connection (premix) for
improved mixing, and longer service life of the boiler due
to mild to moderate ambient conditions.
The MatriX cylinder burner, blower and the combination
gas valve are factory calibrated and pre-adjusted. A
pneumatic link between combustion air and gas flows
guarantees optimal boiler performance at all firing rates.
Blower speed is automatically increased or decreased
based on heat demand, thereby regulating the amount
of combustion air drawn. The pneumatic link between air
and gas introduces the required amount of gas for optimal
combustion to meet the current heat demand, based on
a linear relationship between ∆ P air and ∆ P gas.
Installation Examples
The examples on the following pages depict possible
piping layouts of the Vitodens 100-W boiler.
Please note that the following examples are simplified
conceptual drawings only!
Piping and necessary componentry must be field
verified. A low water cut-off (LWCO) must be installed
where required by local codes. Proper installation and
functionality in the field is the responsibility of the heating
contractor.
IMPORTANT
Installation
Standard Equipment
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