The dryer must be disconnected from
the gas supply piping system during any
pressure testing of that system at test
pressures in excess of ½ psi (3.45 kPa).
The dryer must be isolated from the gas
supply piping system by closing the
equipment shut-off valve during any
pressure testing of the gas supply piping
system at test pressures equal to or less
than
1
/
2
psi (3.45 kPa).
Adequate clearances shall be provided
for air openings into the combustion
chamber.
Provide adequate clearances from
combustible construction.
A
1
/
8
inch NPT minimum plugged
tapping, accessible for test gage
connection, must be installed immediately
upstream of the gas supply connection to
the dryer.
A vent line must be installed from the
regulator vent to the outdoors (if
applicable).
Do not install or store the machine where
it is exposed to weather.
IMPORTANT SAFETY INSTRUCTIONS
29
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