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113362-11 www.amdry.com 17
Preoperational Instructions __________
Important
For more detailed information regarding the
microprocessor controller (computer), refer to the
microprocessor user’s manual included with the dryer.
Microprocessor Controller (Computer)
The L.E.D. display reads “READY” (no cycle in progress).
Press the letter on the keypad corresponding to the cycle
desired (i.e., key “D”).
The dryer will then start (i.e., blower, tumbler, and heat).
The L.E.D. display will read MANUAL DRYING CYCLE D, 00:00
MIN REMAIN.
Note
The dryer can be stopped at any time by pressing
the “STOP/CLEAR” key, at this time the dryer will
go into a cycle pause. If the “STOP/CLEAR” key is pressed
again at this point, the cycle that was in progress will be
cancelled and returned to the “READY” state.
When the programmed drying time has expired, the Phase 7
non-coin microprocessor controller (computer) will proceed
into the Cool Down Cycle.
Once the Cool Down Cycle begins at the end of the heat
cycle, the L.E.D. display will read COOL DOWN TEMP
___/___ MINUTES remaining. At the end of the heat cycle,
the dryer will shut off the heat and continue the fan and
tumbler until the Cool Down Time or temperature is reached.
Shutdown Instructions ________________
If the dryer is to be shutdown (taken out of service) for a
period of time, the following must be performed:
Discontinue power to the dryer either at the external disconnect
switch or the circuit breaker.
Discontinue the heat supply:
Gas Models – Discontinue the gas supply.
SHUT OFF external gas supply shutoff valve.
SHUT OFF internal gas supply shutoff valve located in the
gas valve burner area.
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TIMING LEGEND
SPIN TIME
Adjustment Position Number 1 2 3 4 5
Time in Seconds* 30 60 90 120 150
DWELL (STOP) TIME
Adjustment Position Number 1 2 3 4 5
Time in Seconds* 5 6.3 7.6 8.9 10.2
* Values shown are +/- 1-second.
3-Phase (3ø) Electric Service
Check the electric service phase sequence (3-phase [3ø]
models only). While the dryer is operating, check to see if the
blower/fan is rotating in the proper direction. Looking from
the front, the blower/fan should spin in the clockwise direction,
if it is, the phasing is correct. If the phasing is incorrect,
reverse 2 of the 3 leads at connections L1, L2, and L3 of the
power supply to the dryer.
Impor tant
If the blower/fan is rotating in the wrong direction, it
will drastically reduce drying efficiency and it can
also cause premature component failure.
Spin and Dwell (Stop) Times Adjustment
Reversing tumbler dryers should never be operated with less
than a 63 lb (28.57 kg) load (dry weight), since the load’s
weight affects tumbler coast time during a direction reversal
command. It is important that the tumbler comes to a
complete stop prior to starting in opposite direction.
Microprocessor Models
Spin and dwell (stop) times are adjustable in the Manual
(Timed) Mode. Spin and dwell (stop) times are not adjustable
in the Automatic Mode and have been preprogrammed into
the microprocessor controller (computer) for 150-seconds
spin time in forward direction, 120-seconds in the reverse
direction and a 5-second dwell (stop) time.
Mechanical Timer Models
Timer models have an electronic reversing timer in the
electrical service box, which is located in the upper right front
area of the dryer.
Both the dwell (stop) time and the tumbler spin time are
adjustable by mode selection switches, located on the
electronic timer (as noted in the illustration below).