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12 PREINSTALLATION REQUIREMENTS
Exhaust system
requirements
Correct Incorrect
Correct Incorrect
The following are specific requirements for
proper and safe operation of your dryer.
1. NFPA 54, or in Canada, the Natural
Gas and Propane Installation Code,
CSA B149.1.
2. The gas supply line should be 1/2 inch
(1.27 cm) pipe.
3. If codes allow, flexible metal tubing
may be used to connect your dryer to
the gas supply line. The tubing MUST
be constructed of stainless steel or
plastic-coated brass.
4. The gas supply line MUST have an
individual shutoff valve installed in
accordance with the B149.1, Natural
Gas and Propane Installation Code.
5. A 1/8 inch (0.32 cm) N.P.T. plugged
tapping, accessible for test gauge
connection, MUST be installed
immediately upstream of the gas
supply connection to the dryer.
6. The dryer MUST be disconnected from
the gas supply piping system during
any pressure testing of the gas supply
piping system at test pressures in
excess of 1/2 psig (3.45 kPa).
7. The dryer MUST be isolated from the
gas supply piping system during any
pressure testing of the gas supply
piping system at test pressures equal
to or less than 1/2 psig (3.45 kPa).
8. Connections for the gas supply
must comply with the Standard for
Connectors for Gas Appliances, ANSI
Z21.24/CSA 6.10.
Use only 4 inch (102 mm) diameter
(minimum) rigid or semi rigid metal duct and
approved vent hood which has a swing-out
damper or dampers that open when the
dryer is in operation. When the dryer stops,
the damper or dampers automatically close
to prevent drafts and the entrance of insects
and rodents. To avoid restricting the outlet,
maintain a minimum of 12 inches (30.5 cm)
clearance between the vent hood and the
ground or any other obstruction.
WARNING
FIRE HAZARD
Failure to follow these instructions can create
excessive drying times and fire hazards.
WARNING
FIRE HAZARD
• Failure to follow safety warnings exactly
could result in serious injury, death, or
property damage.
DO NOT install a booster fan in dryer
exhaust duct.
• Install all clothes dryers in accordance
with the installation instructions in this
manual.
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