Fire alarm panel & velux kf120

[tazz]

Then this is pointless zoning them, unless you can zone each door.....How many extraction doors are there over the 3 floors..?

 

[Harni]

Hi Marc,
so just want to clarify, are you saying you have a smoke shaft with a AOV at the top of it then on each floor, a door opening into the shaft?
if so, I've got lots of sites on one particular contract with this set up and they have a controller on each floor in the shaft to control that door and a panel somewhere (usually top floor riser cupboard) to control the AOV. One I/O unit next to each controller and the rest is just programming which if you fit a advanced, kentec or Morley, will be easy.
Just remember it's a non blocked riser so you need a detector within 1.5m of each door.

 

[marc8]

Hi harni
exactly the above, the other AOV is just in the protected stairwell.

 

[marc8]

Hi harni
what is the controller you are using if you don't mind me asking for the doors

 

[tazz]

Harni, sounds like there is 1 velux control panel for all doors, and another for top of staircase roof.

 

[marc8]

Tazz exactly

 

[tazz]

Are there fire doors separating the staircase to each floor level, which lead to the extraction doors.?

 

[Harni]

AH I see. Ok
the ones we do, the doors are already installed so we just come along and add the IOs and go from there. Most of the door controllers are made by envirovent or SE controls and we just connect up to them.
if all of it is controlled off of 1 velux vent, I'm not sure how you would go about opening 1 door

 

[marc8]

Hi harni
what about control from the fire alarm panel

 

[Harni]

It's all dependant on the AOV panel.
if it's just a global evac style input then I can't see how you could do the doors individually. There may be some sort of programming you can set up with the velux panel but I can't seem to find a manual for it!
setting up the fire alarm side is easy but it's all dependant on how the velux panel functions

 

[tazz]

If theres fire doors as my previous, I can see what BC/FO are after Harni......staircase zoned as usually, any fire, he want smoke unhindered by other vents straight up and out, if lobby or corridor off staircase, all extract doors & top of shaft to open unhindered aswell....spread of fire from one the the other opens all/next.

 

[marc8]

Hi harni
normally we would use our fire panel linked to relay in the AOV so it activates the AOV on any signal.
Then just how I operate the fire doors, but I suspect they should open all together but if they want them independent then I will try to make it work

 

[Harni]

Yeah i can see what it is that he wants to do. Makes complete sense but i think the issue is going to be opening each door individually. E.g fire on floor 1, only door on floor 1 opens into the shaft. It depends on the Velux controller (which if I've understood correctly, also controls these doors?) and if it can open individual doors.

 

[marc8]

Hi harni
what about velux opening under any fault on fire alarm panel & using 3 zone panel then use each floor as a zone & each door activated of whatever zone would that work.