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2. SYSTEM (basic) ELECTRICAL RATINGS/SPECIFICATIONS
INPUT POWER CONTROL: 18-30 VAC 50/60 Hz
INPUT CURRENT DRAIN 300 mA @ 24 VAC with GAS VALVE RELAY ENERGIZED
(control only)
GAS VALVE RATING 2.0A @ 24 VAC
OPERATING TEMPERATURE 0 °F (fahreheit) to 160 °F (fahreheit)
0 °C (celsius) to 71 °C (celsius)
FLAME SENSITIVITY .7µA minimum
FLAME FAILURE RESPONSE TIME 0.8 seconds maximum
TYPE of GASES NATURAL, L.P. (liquid propane), or manufactured
SIZE (length x width x height) 4.23 x 3.23 x 1.63 (with cover)
10.75 cm x 8.21 cm x 3.97 cm (with cover)
WEIGHT 5 ounces (nominal)
145 grams (nominal)
ENCLOSURE GRAY (Noryl N-190) FIRE RETARDENT PLASTIC
TRIES FOR IGNITION three (3)
TRIAL FOR IGNITION PERIOD 4 seconds
INTER-PURGE 3.5 seconds
C . HSI (Hot Surface Ignition) SYSTEM OPERATION
1. HSI SYSTEM OPERATION
a. The HSI Modules red indicator light will light for up to approximately five (5) seconds
(self check routine).
If the HSI Modules red indicator light
stays on or flashes continuously, then the
HSI module is wired incorrectly or has failed.
b. Start the drying cycle.
c. The Hot Surface Ignitor will turn on. After
approximately four (4) seconds the Hot
Surface Ignitor will shut off and the gas
valve will be energized. The flame should
now be established.
d. With the burner flame on, remove the flame sensor wire from the S2 terminal of the HSI
module. The burner flame must shut off immediately.
e. Stop the drying cycle, with the Flame Sensor removed, restart the drying cycle.