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NOTE: Dryer can be stopped at any time by opening the main door or by pressing the CLEAR/
STOP key. To restart the dryer, press the ENTER/START key or a preprogrammed
cycle key (i.e., E).
NOTE: Pressing keyboard (touchpad) key A, B, C, D, and F will also start the dryer.
The six preprogrammed drying cycles (A thru F) have been stored in the
Microprocessor (computers) memory. Refer to the Programming Manual supplied with
the dryer for these preprogrammed cycles.
10.Check to insure that the tumbler (basket) starts in the clockwise (CW) direction. Additionally, check the
direction of the blower motor to insure that it rotates in the counterclockwise (CCW) direction as viewed
from the left side of the dryer. If it does, the phasing is correct. If the phasing is incorrect, reverse two (2)
of the leads at L1, L2, or L3 of the power supply connections made to the dryer.
IMPORTANT: Dryer blower motor and impellor/fan shaft as viewed from the left side of the
dryer must turn in the counterclockwise (CCW) direction, otherwise the dryer
efficiency will be drastically reduced, and premature component failure can result.
11. Heat Circuit Operational Test
a. Gas Models
1) When the dryer is first started (during initial start-up), the burners have a tendency not to ignite on
the first attempt. This is because the gas supply piping is filled with air, so the dryer may have to be
stopped and restarted several times for this air to be purged from the lines.
2) The dryer has two (2) burner boxes and each burner has its own Direct Spark Ignition (DSI) Module
and Spark Ignition/Flame-Probe Assembly. If ignition is not established after first attempt, the heat
circuit DSI Module will lockout until it is manually reset. To reset the DSI system, open and close
the loading doors and restart the dryer (press ENTER/START key).
If one burner lights and the other does not, then the system will shut both burners off and the burner
fault code will be displayed showing which of the two (2) burners failed to ignite.
NOTE: During the purging period, verify that ALL gas shut-off valves are open.
3) Once ignition is established, a gas pressure test should be taken at each gas valve pressure tap of the
dryer to assure that the water column pressure is correct and consistent.
NOTE: Water column pressure requirements (measured at both gas valve pressure taps)...
NATURAL GAS ----3.5 Inches Water Column (W.C.) - 8.7 mb.
L.P. GAS -------------10.5 Inches Water Column (W.C.) - 26.1 mb.
IMPORTANT: There is no regular provided in an L.P. dryer. The water column (W.C.) pressure
must be regulated at the source (L.P. tank), or an external regulator must be
added to each dryer.
b. Steam Models
1) Check to insure that the steam damper is functioning properly.