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INST 396 Jacuzzi® J-HN Series Heater V12-16
8. After 30 seconds of “pre-purge” the ignition module will energize the hot surface ignitor with 220Vac.
9. The ignitor will power up for 90 seconds.
10. After 90 seconds the ignition module will energize the gas valve with 24Vac to open.
11. The gas valve will open for 5 seconds.
12. A flame signal must be registered within the 5 seconds for the valve to remain open.
13. At this point the controller will increase the combustion fan speed to its maximum setting for that particular model heater.
14. The heater will continue to run as long as there is a flame signal until the inlet water reaches the set temperature.
Should the heater fail to ignite or no flame sensing occurs,
Gas valve is de-energized
Fan continues to run on high speed
30 seconds later a reattempt for ignition occurs
Maximum of 3 ignition attempts occurs
After which ignition pack locks out.
HEADER CONVERSION TO LEFT HAND HEADER INLET/OUTLET
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