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Heat & Smoke Detectors Tie to Security Panel?

9/18/2025

8 Comments

 
A customer wants to install a burglar alarm in a new building. They would like to add fire detection to the system. The building is not required to have a fire alarm system.

Can we run the heat and smoke detection off a security panel, or do we need to have a separate FACU?

I have looked in NFPA 72 (2010 edition), and I see non-required systems in Chapter 23. I see if it is a combination system the fire signal takes priority. However, I’m still not sure if we can use a security panel.

The state is under NFPA 72, 2010 edition and 2012 IBC & IFC. Thanks in advance.


Sent in anonymously for discussion. Click Title to View | Submit Your Question | Subscribe
8 Comments
Joe
9/18/2025 08:09:38 am

Is it UL commercial listed for combination use?

Reply
Scott
9/18/2025 02:16:58 pm

The customer was requesting to do it on the burglar panel only to save money, since it is a non-required system. I made a phone call to the AHJ and he stated since we were installing fire detection, it had to go through a listed fire panel.
The AHJ was understanding of what we were trying to do, but stated we need to be in compliance with NFPA 72 and gave some code references. We are going to do it through a fire panel.

Reply
Chad
9/18/2025 08:50:42 am

If it’s non required it still needs to be installed per 72, as you noticed in chapter 23.

Assuming it’s cross UL 864 listed, You need to follow all the directions in the installation instructions including data bus separation, which is usually overlooked.

Need to do battery calcs (probably need an aux power supply)

However if it’s just a burg panel and not cross listed to 864….. no you cannot add fire devices to it, strictly speaking.

Reply
Glenn Berger
9/18/2025 09:35:00 am

In addition to the above comments -- Are there any outputs that you are trying to achieve?

I have seen nothing but problems when trying to connect fire and security alarms together. I always recommend against going the combo path.

Reply
Robert Morgan
9/18/2025 09:47:55 am

In my jurisdiction we require any non-required systems to comply completely with NFPA 72 which includes notification devices. They also have to then comply with the Illinois ADA which requires notification in all "habitable areas", The only time they could do components of a fire alarm system without meeting all of NFPA 72 is if they were protecting for instance a valuable piece of art, or it is for a specific control function ie. elevators or fire doors/shutters.

Reply
Bruce K English
9/18/2025 01:44:01 pm

As an AHJ, I do not allow a burglar alarm panel to monitor smokes/heats unless the panel and devises are listed for combination use.

Reply
Jose R Figueroa
9/18/2025 04:59:41 pm

Yes, you can operate heat and smoke detectors using a security panel without needing a separate Fire Alarm Control Unit, provided that the panel is a combination type listed and approved for fire alarm use (e.g., per UL 864). Additionally, the entire system must comply with the requirements for combination systems as outlined in NFPA 72 (2010). If the owner is interested in this arrangement, it will require research. An approval from the Authority Having Jurisdiction (AHJ) might be necessa. I would recommend starting by looking into Johnson Controls equipment.

Reply
sean
9/18/2025 05:31:51 pm

if it is cross listed

Reply



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