Fire Suppression Services, Inc:      ( F S S I )
Licensed Electrical and Fire Protection Contractors covering the States of Utah, Idaho, Wyoming, Montana.

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High Voltage and Low Voltage Electrical Supply Requirements for Fire Suppressing Equipment

Summary

An FM200 Chemical Fire Suppression System requires:

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1. Electricians:
   1. HV: 110-125Volt 25 Ampere grounded dedicated line from your breaker panel to be supplied by client's electricians. (Code)
2. Alarm Technicians:
   1. LV:  line/s must be inter-connected to building alarm panel/alarm system to be supplied by client's alarm technicians. (Code)

A Kitchen Fire Suppression System requires:

1. Electricians:
   1. High Voltage: 110-125 25 Ampere supply to be supplied by client's electricians, on a dedicated grounded circuit to be run to the junction box adjacent to the Ansul Cabinet. Electricians are not permitted inside the Ansul Cabinet.
2. Alarm Technician:
   1. Low Voltage line/s back to the building alarm panel to be supplied by Client's alarm technicians, from the micro-switch inside the Ansul Cabinet.
3. Hood Supplier Installer Advisory:
   1. The Kitchen Hood/s must have thermal sensors, connected to a Control Box which in turn signals the exhaust/make-up fan equipment.
      Your hood supplier in cooperation with your electrician should do this.
      (Caveat: the thermal sensors must override the manual on-off switches. Manual on-off switches must NOT override the thermal sensors. Code)
4. Plumbers:
   1. install the Natural Gas valve in the gas line. When it actuates, it must shut off the gas to ALL cooking appliances. (The FSSI installation technician will connect the actuator to the Ansul Cabinet)
5. Fire Suppression Technicians:
   1. All cooking appliances must be permanently fixed in place under the hood system before we can begin installation of the suppression system.
   2. Maintenance: Hoods & Ducts must be steam cleaned at least every six months, more often if heavy usage of kitchen cooking equipment.

A Sprinkler Fire Suppression System requires:

1. Alarm Technician:
   1. Low Voltage wiring from the Back-Flow Preventer, Isolation valves, tamper switches and flow switches (in your Riser room) back to the building alarm panel by the Client's alarm technicians (Code)
   2. Low Voltage; on the Risers are flow switches and tamper devices on each floor. (In the stairwells on every level. They require LV wiring by your alarm technicians back to the building alarm panel). For Zone Control. (Code)
2. Fire Suppression Technician:
   1. Maintenance: Inspection, Draining, Operation Testing, every six months. Bacteria test every five years. (Code)

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The PBX, Data Area and an Electrical Fire Suppression System

Suppressing an Electrical Fire

1. The FM 200 System needs a dedicated 110-120v 20 Ampere mains line.
2. The FM 200 System must be interconnected with the building alarm system.
   1. Need to run an alarm line to the FM 200
   2. So that if it trips, you can see it at the alarm panel
   3. And so that if it trips, the building alarm system is tripped.
3. The above are Code required, and your Advisory Engineer/s should know this and make provision.
4. The FM 200 system will shows an HV line, inside the PBX room (20 amp), supplying an Amerex Panel inside the PBX/data room.
   1. The chemical tanks are always inside an adjacent room
5. FSSI bids often states that HV is to be done by others.
6. Fire Suppressing Technicians are not qualified to do HV (Electricians) or LV (Alarm Techs) work
7. The Company, FSSI does have Electrician & Alarm technicians.

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The Cooking area and a Cooking-Oil Fire Suppression System.

Suppressing a Kitchen Cooking Area Fire

1. State Code requires an interconnect between all the cooking appliances and the exhaust system. (exhaust and make-up air fan System is AKA the Exhaust System)
2. A Kitchen Hood must (by Code) have somewhere in it, thermal sensors. (Your Supplier of the Kitchen Hood, perhaps CaptiveAire, may have offered them as an option to you with the hood and they also may have offered to supply the control boxes for these to interconnect to the exhaust-makeup air system if it is in their contract with you.)
   1. None of this is part of an Ansul System. (& definitely not part any FSSI current scope)
3. If your kitchen hood supplier did not do so, we (FSSI) can supply ONLY the thermal sensors for your kitchen hood, as part of our present Bid-Contract; NOT the control boxes that do the interconnection from the thermal sensors to the electrical system that controls the fan system. And therefore your electricians will have to supply any installation and interconnect/controls to the fan controls from the thermal sensors (they will be hating life if they have to. 'tis better if your hood supplier does so.). These are part of the Mechanical Code and have NO PART or anything to do with, the Ansul (our) system)
4. The thermal sensors are mentioned in the International Fire Code but not as a component or function of the Ansul System.
5. We can do this but it will be an additional cost to you. We do not bid if the job has the electrical and alarm contract 'Done by Others'.

Consider the act of Suppressing a Kitchen Cooking Area Fire as being divided into FOUR main areas:

They are:

1. Thermal Sensors, Control Boxes & Fan System (Code)
2. The Ansul Hood Suppression System (Code)
3. The Natural-Gas Shut-off valve (Code)
4. Regular six monthly filter and exhaust-duct steam cleaning (Code)

1. The Thermal Sensors detect the following:
   1. If someone turns on ANY cooking appliance under the hood and forgets to turn on the exhaust fans, the thermal sensors must turn on the exhaust fans automatically. (Caveat: the thermal sensors must override the manual on-off switches. Manual on-off switches must not override the thermal sensors. Code)
      1. That wiring is to be done by others, that means your electrical folk, not suppression system technicians.
      2. We can do this but it will be an additional cost to you. We didn't bid it because the job has the electrical and alarm contract 'Done by Others'.
2. The Ansul Hood Suppression System consists of:
   1. A Cabinet Enclosure
   2. An Automan Regulated Release Assembly
   3. A Junction Box
   4. Wet Chemical Storage Tank/s
   5. Nozzles & Blow-off caps
   6. Detectors
   7. Cartridges (CO₂ or N)
   8. Chemical Agent
   9. Fusible Links
   10. Pulley elbows
   11. Remote Manual Pull-Station with conduit(sched.40 plated black-iron) and stainless wire
   12. Mechanical or Electrical and gas-valves pressures switches, and or electrical switches for automatic equipment and gas-line shutoff.

    
   1. The Ansul Cabinet has:
      1. An extinguisher-like tank that holds blanketing wet-chemical (potassium carbonate & potassium acetate)
      2. Control valve/s for the tank (it is called an Ansul Automan regulated release assembly) and connected to piping to run under a kitchen hood
      3. The Cartridge (an expellant gas pressurized cylinder)
      4. Pull-station mechanical wire (stainless)
      5. A Mechanical trip device
      6. The Ansul cabinet also contains micro switches (three of 'em)
      Each micro switch has three terminals:
      1. A Common pole
      2. An Open pole &
      3. A Closed pole
         1. One of the micro-switches has terminals upon which is connected (by the alarm folks) with Low Voltage wiring back to the building alarm panel. It is the ONLY micro-switch inside this cabinet that has screw terminals.
         2. The ONLY wiring connections made inside the Ansul cabinet that contains the Automan & extinguisher tank is the alarm wire.
         3. The ONLY personnel permitted inside the Ansul cabinet are fire suppression and alarm technicians.
         4. The two other micro switches have pigtail connectors, the other ends of which will be found in a junction box outside and near to, the Automan.
            1. Inside this external junction box, an electrician connects his under 25 Ampere HV wires. An Electrician must NOT use the Automan as a junction box. (it invalidates the Warranty)
            2. Electrician must stay out of the cabinet that houses the Automan. (They usually fry the circuitry-invalidates the Warranty)
            3. The ONLY wiring connections made inside the Automan is the Low Voltage Alarm wire (alarm technician) and the junction-box pigtails. (Suppression technician)
            4. The electrician wires from the external junction box are to be used for HV for all other electrical shutoffs. e.g.:
               1. To turn off Dedicated Make-Up air fans (if you have them)
               2. To turn off ALL electricity under the hood, (including but not limited to the appliances. toasters, clocks ...)