Operating Instructions
5
Vitogas 100, GS10
Pressure gage
Fuel
This boiler is factory calibrated for use
only with the fuel stated on the boiler
rating plate.
Boiler is factory supplied for use with one
fuel only (natural gas or propane).
Safety switches
Blocked vent safety switch
The manual reset blocked vent safety
switch is located at the back of the
boiler in the draft hood. In the event of
complete vent blockage by snow, ice,
debris, animals’ nests or other material,
the s pill switch heats up and interrupts
24V to the gas control, thereby
shutting down the burner. Do not
attempt to reset the switch - call a
qualified heating contractor. If the
switch activates , the vent system must
be checked inside and out. The
blockage must be removed by the
heating contractor before the boiler is
put back into operation. Do not operate
the boiler without the blocked vent
safety switch being fully operational.
Do not attempt to operate the boiler
without the blocked vent safety switch
being fully operational. Advise the
syst em operator/ultimate owner to
contact a qualified heating contractor
for service immediately should the
switch activate.
5167 469 v1.1
System power switch
I=Poweron
O=Poweroff
Front view
VITOGAS 100
VIEßMANN
Rear view
For burner status indication
reference applicable Vitotronic
control manual.
Do not use propane gas on a boiler
equipped for use with natural gas.
Do not use natural gas on a boiler
equipped for use with propane gas.
WARNING
IMPORTANT
Do not bypass this safety device.
WARNING
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