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9
Gas supply line
n 13 mm (1/2") NPT pipe is recommended.
n 9.5 mm (3/8") approved tubing is acceptable for lengths
under 6.1 m (20 ft.) if local codes and gas supplier permit.
n Must include 3.2 mm (1/8") NPT minimum plugged tapping
accessible for test gauge connection, immediately upstream
of the gas connection to the dryer (see illustration).
n Must include a shut-off valve.
The shut-off valve location should be easy to reach for opening
and closing.
A
B
E
D
C
A. 9.5 mm (3/8") exible gas connector
B. 9.5 mm (3/8") pipe to are adapter tting
C. 3.2 mm (1/8") NPT minimum plugged tapping
D. 13 mm (1/2") NPT gas supply line
E. Gas shut-off valve
Gas supply connection requirements
There are many methods by which your gas dryer can be
connected to the gas supply. Listed here are some guidelines
for two different methods of connection.
This dryer must be connected to the gas supply line with
a listed exible gas connector that complies with the standard
for connectors for gas appliances, CSA 6.10.
Option 1 (Recommended Method)
Flexible stainless steel gas connector:
n If local codes permit, use a new exible stainless steel gas
connector (Design Certied by CSA International) to connect
your dryer to the rigid gas supply line. Use an elbow and
a 9.5 mm (3/8") are x 9.5 mm (3/8") NPT adapter tting
between the stainless steel gas connector and the dryer
gas pipe, as needed, to prevent kinking.
Option 2 (Alternate Method)
Approved aluminum or copper tubing:
n Lengths over 6.1 m (20 ft.) can use 9.5 mm (3/8") approved
tubing (if codes and gas supplier permit).
n If you are using Natural Gas, do not use copper tubing.
n 9.5 mm (3/8") are x 9.5 mm (3/8") NPT adapter tting
between dryer pipe and 9.5 mm (3/8") approved tubing.
n Lengths over 6.1 m (20 ft.) should use larger tubing and
a different size adapter tting.
n If your dryer has been converted to use propane gas,
9.5 mm (3/8") propane compatible copper tubing can be
used. If the total length of the supply line is more than
6.1 m (20 ft.), use larger pipe.
NOTE: Pipe joint compounds that resist the action of
propane gas must be used. Do not use TEFLON
*
tape.
Dryer gas pipe
n The gas pipe that comes out through the rear of your dryer
has a 9.5 mm (3/8") male pipe thread.
A
32 mm
(1¼")
235 mm
(9¼")
A. 9.5 mm (3/8") NPT dryer pipe
Burner input requirements
Elevations up to 3,048 m (10,000 ft.):
n The design of this dryer is certied by CSA International for
use at altitudes up to 3,048 m (10,000 ft.) 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 3,048 m (10,000 ft.):
n When installed above 3,048 m (10,000 ft.), a 4% reduction
of the burner BTU rating shown on the model/serial
number plate is required for each 305 m (1,000 ft.)
increase in elevation.
Gas supply pressure testing
n The dryer must be disconnected from the gas supply piping
system during pressure testing at pressures greater than
352 kg/m
2
(1/2 psi).
*TEFLON is a registered trademark of Chemours.
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