Preoperational Test; Preoperational Instructions - ADC AD-25V Installation Manual

Preoperational Test ___________________

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. Installer must instruct the
user on how to correctly operate the dryer before leaving.
Turn on electric power to the dryer.
Refer to the operating instructions for starting your particular
model dryer.
Gas Models Only
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 model dryers are equipped with an ignition system,
which has internal diagnostics. If ignition is not established
after one time, the heat circuit in the ignition module will
attempt two more ignitions (total of three ignition attempts).
If there is no flame after the third ignition attempt, the module
will lockout until it is manually reset. To reset the ignition
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 water column pressure is
correct and consistent.
NOTE: Water column 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 (26.2 mb).
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.
Make a complete operational check of all safety related
circuits:
• Door Switch(es)
• Hi-Limit Thermostats
• Cycling Thermostat
• Gas and Electric Models Only – Sail Switch
NOTE: The sail switch can be checked for proper
operation by opening the lint trap door. While pushing the
lint door switch in, start a drying cycle. The heating unit
should not activate (wait 30-seconds). If heat does
activate, make the necessary adjustments to the sail
switch.
Make a complete operational check of all operating controls.
NOTE: If computer program changes are required, refer to
the computer programming section of the manual supplied
with the dryer.
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The dryer should be operated through one complete cycle to
ensure that no further adjustments are necessary and that
all components are functioning properly.
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.
Check the electric service phase sequence (3-phase [3ø]
models only). While the dryer is operating, check to see if
the blower motor (impellor/fan) is rotating in the proper
direction. Looking from the front, the blower motor (impellor/
fan) should spin in the clockwise direction. If it is, the phasing
is correct. If the phasing is incorrect, reverse two of the three
leads at connections L1, L2, and L3 of the power supply to
the dryer.
IMPORTANT: If the blower motor (impellor/fan) is rotating
in the wrong direction, it will drastically reduce drying
efficiency and it can also cause premature component
failure.

Preoperational Instructions __________

Microprocessor Controller (Computer)
Coin Models
When the microprocessor controller (computer) is in the
ready state, the L.C.D. screen will display "Ready, Insert
$XX.XX (amount) to Start".
Insert coin(s). Once the correct "Amount to Start" has been
inserted, the L.C.D. will display "Select Temperature".
Select temperature by pressing "HI," "MED," or "LO". The
cycle will start and the L.C.D. will display the dry cycle selected
and the remaining time.
The dryer will continue through the drying and cooling cycles,
until the vended time has expired.
NOTE: To stop dryer, open main door or press the "Pause"
key. Continuation of the cycle will resume only after the
door has been closed and any of the three temperature
selections is pressed.
Upon completion of the drying and cooling cycles, the tone
(buzzer) will sound and the dryer will go into the Anti-Wrinkle
Mode for 99 minutes, or until the main door has been opened.
IMPORTANT: For more detailed information regarding the
microprocessor controller (computer) on your dryer, refer to
the microprocessor user's manual included with the dryer.
Mechanical Drop / Rotary Coin Meter
or Slide Coin Meter
Insert coin and turn knob (rotary type meter), or for slide meter
unit, push in coin chute.
Select temperature.
Push the "Start" button.
To stop dryer, open the main door.
American Dryer Corp. 113237 - 15