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3) Start the dryer by pressing the desired fabric setting. After the cycle is started, drying time will count
down whether the door is closed or open.
NOTE: The dryer can be stopped at any time by opening the main door. To restart dryer, shut
the main door and press desired fabric setting.
4) Open main door to stop the dryer, and change to a different fabric setting. Repeat this procedure,
until
ALL fabric selections have been tested. This will also confirm that setting key circuits and door
switch circuits are functioning properly.
5) Repeat above procedure for the other basket (tumbler).
2. Heat Circuit Operational Test.
a. When a gas dryer is first started (during initial start-up), it has a tendency not to ignite on the first
ignition attempt. This is because the gas supply piping is filled with air, so it may take a few minutes for
the air to be purged from the lines.
NOTE: During the purging period, check to be sure that ALL gas shut-off valves are open.
NOTE: Gas dryers are equipped with a Hot Surface Ignition (HSI) system which has internal
diagnostics. If ignition is not established after the first attempt, the heat circuit in the DSI
module will lock out until it is manually reset. To reset the DSI system, open and close
the main door and restart the dryer.
b. Once ignition is established, a gas pressure test should be taken at the gas valve pressure tap of each
dryer to assure that the water column pressure is correct and consistent.
NOTE: Water column pressure requirements (measured at the pressure tap of the gas valve body):
Natural Gas .......... 4.0 Inches Water Column
L.P. Gas ................ 11.0 Inches Water Column
IMPORTANT: THERE IS NO REGULATOR PROVIDED IN AN L.P. DRYER. The
water column pressure must be regulated at the source (L.P. tank) or an
external regulator must be added to each dryer.