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504523 19
Gas Requirements . . .
(Gas Dryers)
NOTE: The gas service to a gas dryer must conform
with the local codes and ordinances, or in the absence
of local codes and ordinances, with the latest edition of
the National Fuel Gas Code ANSI Z223.1/NFPA 54 or
the CAN/CGA-B149, National Gas Installation Code.
Natural Gas, 37.3 MJ/m
3
(1,000 Btu/ft
3
), service must
be supplied at 6.5 ± 1.5 inch water column pressure.
For proper operation at altitudes above 610 m (2,000 feet)
the natural gas valve spud orifice size must be reduced to
ensure complete combustion. See table at right.
L.P. (Propane) Gas, 93.1 MJ/m
3
(2,500 Btu/ft
3
), service
must be supplied at 10 ± 1.5 inch water column pressure.
NOTE: DO NOT connect the dryer to L.P. (Propane)
Gas Service without converting the gas valve. A 458P3
L.P. (Propane) Gas Conversion Kit must be installed
by the Manufacturer’s Authorized Dealers,
Distributors, or local service personnel.
NOTE: The dryer and its individual shut-off valve
must be disconnected from the gas supply piping
system during any pressure testing of that system at
test pressures in excess of 3.45 kPa (1/2 psi).
The dryer must be isolated from the gas supply piping
system by closing its individual manual shut-off valve
during any pressure testing of the gas supply piping
system at test pressures equal to or less than
3.45 kPa (1/2 psi)
NOTE: When connecting to a gas line, an equipment
shutoff valve must be installed within 1.8 m (6') of the
dryer. An 1/8" N.P.T. pipe plug must be installed as
shown. See illustration.
Altitude Orifice Size Part
Numberm ft # mm Inches
610 2000 41 2.44 0.0960 503776
915 3000 42 2.37 0.0935 503777
1680 5500 43 2.26 0.0890 503778
2135 7000 44 2.18 0.0860 58719
2745 9000 45 2.08 0.0820 503779
3200 10500 46 2.06 0.0810 503780
To reduce the risk of gas leaks, fire or
explosion:
• The dryer must be connected to the type of
gas as shown on nameplate located in the
door recess.
• Use a new flexible stainless steel
connector.
• Use pipe joint compound insoluble in LP
(propane) Gas, or Teflon tape, on all pipe
threads.
• Purge air and sediment from gas supply
line before connecting it to the dryer.
Before tightening the connection, purge
remaining air from gas line to dryer until
odor of gas is detected. This step is
required to prevent gas valve
contamination.
• Do not use an open flame to check for gas
leaks. Use a non-corrosive leak detection
fluid.
W114R1
WARNING
D233IE2G
3/8" NPT
GAS CONNECTION
1/8" NPT
PIPE PLUG
(For checking
inlet gas pressure)
NEW
STAINLESS
STEEL
FLEXIBLE
CONNECTOR
USE ONLY
IF ALLOWED
BY LOCAL
CODES
(Use
Design A.G.A.
Certified
Connector)
EQUIPMENT
SHUT-OFF
VALVE
Installed within
1.8 m (6') of dryer
BLACK IRON PIPE
Shorter than 6.1 m (20') - use 3/8" pipe
Longer than 6.1 m (20') - use 1/2" pipe