Vulcan-Hart C24GA Series Installation & Operation Manual page 7

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.
Refer to the Service Manual for a view of the
Blower assembly set up for combustion issues.
The proper sizing and installation of the gas
connection is important for the machine to
operate within its design specifications. In
some installations, the gas supply may not be
sufficient enough to allow all the gas equipment
to operate properly at peak loads; or when other
equipment with a high BTU/hr. input requirement
is operating. The connection to the machine
becomes even more important in this type of
location.
Flexible gas connectors with quick disconnect or
swivel fittings (when used) and gas connectors
beyond the length necessary will reduce the
BTU/hr. flow capacity to the machine.
Note: Do not use corrugated stainless steel
tubing for commercial gas equipment
supply connections.
Note: A straight gas connection is the ideal
condition for the rated BTU/hr. flow
capacity of the connector. If a straight
connection is not possible and a flexible
gas connector is used, do not twist, kink
or excessively flex the connector beyond
a U shape. Flexing the gas connector as
described will restrict gas flow or may
damage the connector.
C24GA SERIES GAS CONVECTION STEAMERS
Changing a flexible gas connector may raise
the BTU/hr. flow capacity enough to allow the
machine to operate within its design specifications.
(i.e. Removing the quick disconnect fitting,
installing a shorter gas connector or installing a
larger diameter gas connector.)
An alternative may be to move the equipment
to a different gas supply location in the kitchen.
(i.e. Closer to the main supply into the kitchen
or away from other equipment with high BTU/
hr. input requirements.)
MACHINE
INCORRECT INSTALLATION
MACHINE
CORRECT INSTALLATION
The generator is equipped with a factory preset
pressure regulator. Natural gas pressure
regulators are preset for 5.0" W.C. (0.62 kPa).
Propane gas pressure regulators are preset
for 11" W.C. (2.46 kPa). No further adjustment
should be required. Check gas pressures with
a manometer at time of installation to verify that
they agree with the pressures specified.
— 7 —
WALL
WALL
Figure 1