Operating Instructions

Interconnect Feature

Your Combination Smoke/CO Alarm is interconnectable to other multiple station Kidde, Nighthawk and Kidde/Fyrnetics products:

When compatible smoke alarms and heat alarms are inter- connected to your Smoke/CO Alarm, they will only respond to a smoke related event.

When mixing compatible models with battery backup with models without battery backup, be advised that the models without battery backup will not respond during an AC power failure.

This unit is only approved to interconnect with other Kidde/Nighthawk products. It is NOT approved to intercon- nect with any other brand of detection product.

This alarm is interconnect compatible with the following alarms and accessories:

Smoke alarms: 1235, 1275, 1276, 1285, 1296, i12020, i12040, i12060, i12080, PE120, PI2000, KN-COSM-IB, KN-COSM-I and RF-SM-ACDC

Heat alarm: HD135˚F

CO alarms: KN-COB-IC, KN-COP-IC

Relay modules: 120X, SM120X, CO120X

Strobe Light: SL177i

See User’s Guides for specific application information.

For more information about compatible interconnect units and their functionality in an interconnect system, visit our web site at www.kidde.com.

HUSH Control Feature

The HUSH feature has the capability of temporarily desensitizing the smoke alarm circuit for approximately 10 minutes. This feature is to be used only when a known alarm condition, such as smoke from cooking, activates the alarm. You can put your Smoke/CO Alarm in HUSH mode by pushing the test/reset but- ton. If the smoke is not too dense, the alarm will silence imme-

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