VMP IOM
15
The Gas Supply
For LE Models
A minimum of 40” w.c. gas pressure is
required at the inlet of the gas train while
operating for the 40-100HP; 60” w.c. for
the 130-150HP boiler.
Basic Boiler, Condensate
Tank, and Blow-Down
Separator
NOTE
Where a condensate return tank is to be
fitted:
1. This should be vented to a safe
location.
2. This should have a capacity sufficient
to satisfy boiler consumption as well
as maintain proper return tank
temperature.
3. Vent pipe should not be down-sized
(this may cause pressure build up in
the condensate tank).
4. Return pipes must not be insulated.
This can cause overheating the
return system, causing a vapor lock
in the pump.
5. See Return System Instruction
Manual for detailed instructions.
NOTE
Care should be taken to ensure that the
blow-down receptacle used meets the
regulations covering such vessels. If in
doubt consult a Fulton Representative
for advice.
For units equipped with Flue Gas
Recirculation (FGR), the ducting must
be insulated.
Do not exceed the rated pressure of
the fuel train.
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