Installation manual

16 American Dryer Corp. 113362-8
Preparation for Operation/Start-Up _
The following items should be checked before attempting to
operate the dryer:
• Read all “CAUTION,” “WARNING,” and “DIRECTION”
labels attached to the dryer.
• Check incoming supply voltage to be sure that it is the
same as indicated on the data label. In the case of
208 VAC or 240 VAC, the supply voltage must match
the electric service exactly.
• GAS MODELS – Check to ensure that the dryer is
connected to the type of gas indicated on the data
label.
• GAS MODELS – Be sure that all gas shutoff valves are
in the open position.
• GAS AND ELECTRIC MODELS – The sail switch
damper assembly was installed and adjusted at the
factory prior to shipping. However, each sail switch
adjustment must be checked to ensure that this
important safety control is functioning. (Refer to Sail
Switch Adjustment in the Preoperational Tests
section.)
• Be sure all back panels (guards) and electric box
covers are in place.
• Be sure the service doors are closed and securely in
place.
• Be sure the lint door/drawer is securely in place.
• Rotate the tumbler (drum) by hand to be sure it moves
freely.
• Check bolts, nuts, screws, terminals, and fittings for
tightness and security.
• Check tumbler bearing setscrews to ensure they are
all tight.
• Check that the vent is connected to the dryer and is
exhausted to the outdoors.
Preoperational Tests ________________
All dryers are thoroughly tested and inspected before leaving
the factory. However, a preoperational test should be
performed before the dryer is publicly used. It is possible
that adjustments have changed in transit or due to marginal
location (installation) conditions.
Turn on electric power to the dryer.
Refer to the Operating Instructions for starting your particular
model dryer.
Gas Dryers
Open all shutoff valves.
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 shutoff valves are open.
Gas dryers are equipped with a DSI system, which has
internal diagnostics. If ignition is not established within 3
attempts, the heat circuit in the DSI module will “lockout”
until it is manually reset. To reset the DSI system, open
and close the main door and restart the dryer.
A gas pressure test should be taken at the gas valve pressure
tap of each dryer to ensure that the WC pressure is correct
and consistent.
Note
WC pressure requirements (measured at the
pressure tap of the gas valve body):
Natural Gas ______________________ 3.5 in WC (8.7 mb)
L.P. Gas ________________________10.5 in WC (26.1 mb)
Important
There is no regulator provided in an L.P. dryer.
The WC pressure must be regulated at the source
(L.P. tank), or an external regulator must be added to each
dryer.
Safety Related Circuits
Make a complete operational check of all safety related
circuits:
• Door Switch(es)
• Hi-Limit Thermostats
• Sail Switch
Sail Switch Adjustment – To check for proper sail switch
operation (for gas and electric models only), open the main
door and while holding main door switch plunger in, start
dryer. Dryer should start but heat circuit should not be activated
(on). If the heat system is activated, the sail switch is
improperly adjusted and must be adjusted by bending the
actuator arm of the sail switch toward the burner box. If the
actuator arm is bent too far toward the burner box of the dryer,
the dryer may not have heat when needed. After any
adjustment to the sail switch, the above procedure must be
repeated to verify proper operation of the sail switch.
The dryer should be operated through 1 complete cycle to
ensure that no further adjustments are necessary and that
all components are functioning properly.
Make a complete operational check of all operating controls.
For microprocessor model check controller (computer)
programs/selections: each microprocessor controller
(computer) has been preprogrammed by the factory with the
most commonly used parameter (program) selections. If
computer program changes are required, refer to the
computer programming manual which was shipped with the
dryer.
Tumbler Coating
The tumbler is treated with a protective coating. We suggest
dampening old garments or cloth material with a solution of
water and nonflammable mild detergent and tumbling them
in the tumbler to remove this coating.
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