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11
Gas Supply Line
• The gas supply line should be ½” (1.3 cm) pipe and must have an individual
manual shuto valve installed within 6 ft (183 cm) of the dryer in accordance with
the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or in Canada with the Natural
Gas and Propane Installation Code, B149.1.
• The shuto valve should be easy to reach for opening and closing.
• A "” NPT minimum plugged tapping, accessible for test gauge connection,
must be installed immediately upstream of the gas supply connection to the
dryer.
• The supply line should terminate with a !” NPT ß are adapter Þ tting.
½" NPT Gas Supply Line
Gas Shuto Valve
"" NPT Minimum Plugged Tapping
!" NPT Flare Adapter Fitting
B
C
D
A
GAS SUPPLY CONNECTION REQUIREMENTS
This dryer must be connected to the gas supply line with a listed ß exible gas
connector that complies with the standard for connectors for gas appliances, ANSI
Z21.24 or CSA 6.10.
Flexible stainless steel gas connector:
• If local codes permit, use a new ß exible stainless steel gas connector (Design
CertiÞ ed by the American Gas Association or CSA International) to connect your
dryer to the rigid gas supply line. Use an elbow and a !” ß are x !” NPT adapter
Þ tting between the stainless steel gas connector and the dryer gas pipe, as
needed to prevent kinking.
BURNER INPUT REQUIREMENTS
Elevations up to 10,000 ft (3,048 m):
• The design of this dryer is certiÞ ed by CSA International for use at altitudes up
to 10,000 ft (3,048 m), above sea level at the Btu rating indicated on the model/
serial number plate. Burner input adjustments are not required when the dryer is
operated up to this elevation.
Elevations above 10,000 ft (3,048 m):
• When installed above 10,000 ft (3,048 m) a 4% reduction of the burner Btu rating
shown on the model/serial number plate is required for each 1,000 ft (305 m)
increase in elevation.
Gas supply pressure testing:
• The dryer must be disconnected from the gas supply piping system during
pressure testing at pressures greater than 1/2 psi (3.5kPa).
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