Auer Steel
Part #UC1
Universal Control F/ Intrlok Vent W/cnt
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- Brand: TjernlundDomestic/Import: Domestic
- The UC1 is the new standard interlock control for Tjernlund's full line of Fixed Speed Power Venters, Draft Inducers and Combustion Air In-Forcers. It can be interlocked with virtually any burner control circuit. Features include: adjustable pre & post purge, LED status / diagnostic indicators, 10 second prover switch delay to avoid burner start up and wind induced short cycling. Interlocks with any 24-120 VAC burner control circuit and also includes "dry" contact actuation option. Selectable voltage eliminates false activation by burner control circuits. After each burner cycle the UC1 will continue to operate in post-purge mode to allow the venter to purge the heater and vent of residual flue gases. A factory post-purge time is set at 2 minutes and is adjustable up to 16 minutes.
- Adjustable pre and post purge|LED status/diagnostic indicators|Selectable voltage to avoid false triggering by electronic burner controls|Prover switch check circuit to verify that the fan prover switch is open prior to operation|10 sec prover switch delay to eliminate burner start up or wind induced prover switch short cycling|5 VDC fan prover signal eliminates issues with switching burner load through prover switch contacts
- Tjernlund Universal Control, Domestic