8514-234-001 REV N page 23
For T-30/50/80: the exhaust duct clean-out panel (as shown below) must be closed while the dryer is in service:
Keep closed while in service Slide open for routine cleaning
7. DRYER IGNITION (SOLID STATE IGNITION): The solid-state ignition system lights the main burner gas by spark.
The gas is ignited and burns only when the gas-relay (in the electronic controller) calls for heat. The procedure for
first-time starting of a dryer is as follows.
i. First review and comply with the "Warnings About Use and Operation" found on the inside front cover
of this manual. Be sure electrical power is connected correctly. The dryer must be properly grounded.
ii. Make sure all gas supply lines are purged of air. Close the main gas shut-off valve and wait for five
minutes before turning it back on.
iii. Turn on the main electrical power switch. The dryer may be started by following the "Operating
Instructions" found later in this manual.
iv. Natural gas and LPG fired dryers operate in the same manner. When the gas valve relay contacts are
closed (indicating a demand for heat), the solid-state ignition control will automatically supply energy to the
redundant gas valve. Sparking will continue until a flame is detected by the sensing probe, but not longer than
ten seconds. If the gas fails to ignite in 10 seconds, the gas valve closes and the gas system pauses to allow gas to
purge from the inside of the dryer. After the pause, the ignition control repeats the ignition trial cycle twice more.
If the gas system fails to detect ignition after the three attempts, the system will "lock out". No further attempts
will be performed automatically. To reset the ignition control electrical power to the ignition control must be
interrupted. This can be done by opening the dryer door (stopping the dryer) for 15 seconds. Closing the door and
pushing the "Start" button will repeat the ignition trial cycle.
DRYER SHUTDOWN
To render the dryer inoperative, turn off the main gas shut off valve and disconnect the electrical supply to the
dryer.
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