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C24GA SERIES GAS CONVECTION STEAMERS
instructions provided with the filter system.
At the time of installation you must register
your steamer at
www.vulcanhart.com/
filterreg or use the reply card supplied
with your unit. You will need to register
your steamer at each filter change to insure
your standard and extended warranty is
maintained.
Drain Connection
The 1½" NPT threaded fitting on the condenser
box must be extended a minimum of 12" (305
mm) - maximum of 72" (1829 mm) away from
steamer base, to an open air gap type drain.
Do not reduce the 1 ½" NPT drain piping
throughout its length. Provide a suitable floor
sink with a minimum depth of 12" (305 mm).
The floor sink is NOT to be directly under the
steamer and should be at a distance so that
steam vapors will not enter the steamer from
underneath. The drain should slope down
away from the steamer ¼" for every foot of
drain pipe length. The drain pipe should be
either iron or copper. DO NOT use PVC pipe;
PVC pipe may lose its rigidity or glue may fail.
In order to avoid any back pressure in the
steamer, do not connect solidly to any drain
connection.
Temperatures in the generator can briefly
reach as high as 212°F (l00°C). Local codes
may require that the temperature of drain
water be no greater than 140°F (60°C). At the
end of the day, when purging the generators,
some provision for lowering the water
temperature must be provided by the user or
installer to meet this code requirement.
GAS SUPPLY CONNECTION
All gas supply connections and any pipe joint
compound used must be resistant to the action
of propane gas. A ¾" NPT minimum inside
diameter gas supply line is required. If quick
disconnect devices are used, make sure it is
sized properly for data plate BTU/hr. rating.
Refer to quick connect supplier’s data sheet.
Codes require that a manual gas shutoff valve
be installed in the gas line ahead of the
steamer.
The gas line must be capable of delivering gas
to the generator without excessive pressure
drop at the minimum rate specified on the
rating plate.
Check blower air pressure at gas manifold
pressure tap by shutting off the gas valve. Air
pressure at cold start-up should be 0.35" W.C.
(0.09 kPa) (cold condition). After 15 minutes,
air pressure should be between 0.40" W.C.
(0.1 kPa) and 0.50" W.C. (0.13 kPa) (hot
condition). Turn the air pressure adjust screw
clockwise to increase pressure and
counterclockwise to reduce pressure.
Gas Input: ¾" NPT
Natural: 5"
_
10.5" W.C.
Propane: 11"
_
13" W.C.
Inadequate gas supply could result in burner
noise and poor burner performance.
Refer to the instruction manual supplied with
the machine for INSTALLATION CODES AND
STANDARDS and GAS CONNECTION
information.