3. Burner Circuit. In approximately 30 seconds, the igniter at-
tains ignition temperature and ignition is made. The heat from
the burner flame causes the sensor contacts (located on burner
housing beside the igniter) to open. A circuit is then complet-
ed through the secondary valve coil, opening the valve and al-
lowing gas to flow.
4. Momentary Power Interruption. Upon resumption of pow-
er, sensor contacts will still be open, permitting secondary
valve to open. However, with the secondary coil in the circuit,
the booster coil cannot draw enough current to open the split-
coil valve. When sensor contacts do reclose, the secondary
valve will close, and the burner system will be in the normal
pre-ignition circuit.
5. Flame Failure. In case of flame failure, the sensor contacts
will re-close in about 45 seconds. This will close the secon-
dary valve and the burner system will be in the normal pre-
ignition circuit.
6. Ignition Failure. If flame is not established as sensor contacts
open, secondary valve will remain open until sensor contacts
re-close. Sensor will continue to recycle the igniter and secon-
dary valve (about once per minute) until ignition is made or
dryer is turned off.
DRY1885S_SVG
1 - 3
4 5
4
6
5
1
3
7
2
1. Terminal 1
2. Terminal 2
3. Terminal 3
4. Terminal 4
5. Terminal 5
6. Secondary Coil
7. Holding and Booster Coil
Figure 17
1. Terminal 1
2. Terminal 2
3. Redundant Coil
4. Main Coil
Figure 18
1. Flame Sensor
2. Ground
3. Igniter
4. Redundant Coil
5. Main Coil
6. 220/240 Volt, 50 Hertz Electrical Supply Line
Figure 19
Electrical Circuit To Ignition System
(Gas Models)
Test Procedures
©
Copyright, Alliance Laundry Systems LLC -
DO NOT COPY or TRANSMIT
60 Part No. D515519R3
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