Hot surface ignition system control module with accelerated igni

Details Hot surface ignition system control module with accelerated igni Hot surface ignition system control module with accelerated igni

1985-12-04

1986-10-07

Makay, Albert J.

Furnaces

With control means responsive to a sensed condition

Feed control

110192, 431 66, 431 67, F23N 518

Patent

active

046152822

ABSTRACT:
A control module in a hot surface ignition system includes a microcomputer programmed to provide a pre-selected igniter warm-up time period for enabling the igniter to heat up to gas ignition temperature during normal system operation, and is further programmed to provide, for test purposes only, an accelerated igniter warm-up time period which is shorter than the pre-selected igniter warm-up time period but sufficiently long for enabling the igniter to heat up to a temperature sufficiently high to ignite gas. The program for providing the accelerated igniter warm-up time period is automatically executed in response to a unique signal effected by the control module in conjunction with a detachably connected test device.

REFERENCES:
patent: 4299095 (1981-11-01), Cassarino
patent: 4444551 (1984-04-01), Mueller et al.
patent: 4518345 (1985-05-01), Mueller et al.
patent: 4560343 (1985-12-01), Bohan, Jr.

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