Gas Supply; Special Precautions - COZY VC201C Installation And Operating Instructions Manual

This vented room heater must be connected to a gas supply capable of supplying the full rated
capacity. Provide a 1/8 inch N.P.T. plugged tapping, accessible for test gauge connection,
immediately upstream of the gas supply connection to the appliance.
GAS SUPPLY PIPE
MINIMUM INLET PRESSURE
(For purpose of input adjustment):
MAXIMUM INLET PRESSURE
(Must NEVER Exceed):
NORMAL MANIFOLD PRESSURE:
The gas supply piping should be sized in
accordance with ANSI Z223.1 National Fuel Gas Code.
If the outlet pressure of the gas valve must be adjusted, this must be done by a qualified
service technician using proper tools and instruments.
Check all connections with soapy water for possible gas leaks. Never use a match, candle or
other ignition source. It is recommended that pipe compound which is resistant to the action of
liquefied petroleum gases be used. Do not use Teflon tape or Teflon impregnated compound.
Fig. D:

GAS SUPPLY

The appliance and its individual shutoff valve must be disconnected from the gas supply
piping during any pressure testing of that system at test pressure in excess of ½ psig.
The appliance must be isolated from the gas supply piping by closing its individual
manual shutoff valve during any pressure testing of the gas supply piping system at test
pressures equal to or less than ½ psig.

GAS SUPPLY

NATURAL GAS
4.5" w.c.
14" w.c.
3.5" w.c.
TO HEATER GAS CONTROL VALVE
MANUAL CUT-OFF VALVE
1/8" NPT PRESSURE TAP
DRIP LEG
Page 5
PROPANE GAS
11.0" w.c.
14" w.c.
10.0" w.c.
GAS
SUPPLY
LINE
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LOCATION AND

SPECIAL PRECAUTIONS

Due to high temperatures the
appliance should be located
out of traffic and away from
furniture and draperies.
Children and adults should
be alerted to the hazards of
high surface temperature and
should stay away to avoid
burns or clothing ignition.
Young children should be
carefully supervised when
they are in the same room as
the appliance.
Clothing or other flammable
material should not be placed
on or near the appliance.
Any safety screen, guard,
or casing top removed for
servicing a room heater must
be replaced prior to operating
the appliance.
Do not use this heater if any
part has been under water.
Immediately call a qualified
service technician to inspect
the heater and to replace any
part of the control system and
any gas control which has
been under water.
For purpose of identifying the
sides of the heater. When
you are facing the front of the
heater the right side has the
access door and the left side
is solid.
If heater is installed in a
residential garage, the burner
and pilot must be above 18".
Locate or protect heater so
it cannot be damaged by a
moving vehicle.
1017480-A