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16
This dryer is equipped for use with natural gas. It is design-
cered by CSA Internaonal for LP (propane and butane)
gases with appropriate conversion. No aempt shall be made
to convert dryer from gas specied on serial/rang plate for use
with a dierent gas without consulng the serving gas supplier.
Conversion must be done by a qualied service technician.
Gas conversion kit part numbers are listed on gas valve burner
base.
Type of Gas
GAS SUPPLY CONNECTION
Provide a gas supply line of 1⁄2" (13 mm) rigid (IPS) pipe to
dryer locaon. Pipe joint compounds that resist acon of LP
gas must be used. Do not use TEFLON®† tape. With LP gas,
piping or tubing size can be 1⁄2" (13 mm) minimum. Usually,
LP gas suppliers determine size and materials used in the
system.
Gas Supply Pressure Testing
A 1/8" (3 mm) NPT minimum plugged tapping, accessible for
gauge tesng, must be installed immediately downstream of
the installed shut-o valve to the dryer (as shown above). The
dryer must be disconnected from the gas supply piping system
during any pressure tesng of the system at test pressures in
excess of 1/2" psig (352 kg/m
2
).
Alternate Method
The gas supply may also be connected using 3⁄8" (10 mm)
approved copper or aluminum tubing. If the total length of
the supply line is more than 20 . (6.1 m), larger tubing will
be required.
If using natural gas, do not use copper tubing. Pipe joint
compounds that resist acon of type of gas supplied must
be used.
The supply line must be equipped with a manual shut-o
valve installed within 6 . (1.8 m) of dryer in accordance
with Naonal Fuel Gas Code, ANSI Z223.1. This valve should
be located in same room as dryer. It should be in a locaon
that allows ease of opening and closing. Do not block access to
shut-o valve. In Canada, an individual manual shut-o valve
must be installed in accordance with the B149 installaon
codes CAN/CGA B149.1 and CAN/CGA B149.2.
Gas Supply Line
It is recommended that a new exible stainless steel gas line,
design-cered by CSA Internaonal, be used for connecng
the dryer to the gas supply line. (The gas pipe which extends
through the lower rear of the dryer is provided with 3⁄8"
[10 mm] male pipe thread.)
Do not kink or damage the exible stainless steel gas
line when moving the dryer.
The rigid pipe connecon requires a combinaon of pipe
ngs to obtain an in-line connecon to the dryer.
†®TEFLON is a registered trademark of E.I. Du Pont De Nemours and Company.
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