Andover Controls Infinity User Guide

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Infinity Smoke Control Guide

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Order No. 30-3001-446

Published by the Engineering Department at Andover Controls Corporation.

IMPORTANT NOTICE

Examples in this book are for illustrative purposes only and have never been tested in an actual building.

This product is subject to change without notice. This document does not constitute any warranty, express or implied. Andover Controls Corporation reserves the right to alter capabilities, performance, and presentation of this product at any time.

The following trademarks are used in this manual: CROSSTALK is a registered trademark of Digital Communica tions Associates, Inc. IBM is a registered trademark of Internati onal Busi ness Machines, Inc. VT is a trademark of Digital Equipment Corporation.

ii Infinity Smoke Control Guide

Chapter 1

The Fundamentals of Smoke

Control

One of the most hazardous situations that you can face in a building is smoke. While fires themselves are often damaging, it is smoke that can cause the most injuries. For example, at the World Trade Towers in February 1993, over 1,000 were injured by the smoke that resulted from the fire.

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To protect your building’s occupants, as well as furnishings and equipment that may be damaged by smoke, you need a smoke control system. A smoke control system, as its name implies, controls the flow of smoke in your building in the event of fire. It keeps smoke from spreading throughout the building, giving the building’s occupants a clear evacuation route, as well as preventing further damage to the building’s interior.

This chapter gives you an overview of smoke control theory.

The Fundementals of Smoke Con trol

Understanding Types of Smoke Control Systems

Two types of smoke control systems exist—dedicated and nondedicated. The dedicated smoke control system is installed in a building for the sole purpose of controlling smoke. A nondedicated smoke cont ro l syst em uses parts of the building’s HVAC system to control smoke.

In most instances, a building has both nondedicated and dedicated systems. Nondedicated systems are used throughout the building for normal areas (offices, manufacturing). Dedicated systems are used for special areas, such as elevator shafts, stairtowers, and other areas that need special smoke control techniques.

The operation of the nondedicated smoke control equipment is verified by the “comfort level” in the areas that are served by the equipment. In other words, if the HVAC equipment is not functioning properly, the building’s occupants will be aware of this and the problem will get fixed.

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The operation of the dedicated smoke control equipment is verified by an automatic self-test that is performed on a weekly basis.

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The Fundementals of Smoke Control

Using Pressure to Control Smoke

The basic concept behind controlling smoke, r egardless of whether it is with a dedicated or nondedicated system, is to use air pressure to confine and (if possible) vent smoke from the building.

You cannot confine smoke by simply closing all access ways (such as doors and vents) to the room that has the fire in it. Even with these passages closed off, smoke can disperse throughout a building via cracks, holes made for pipes and electrical wires, and spaces around doors and windows. Smoke is driven through these small openings by the expanding gases from the fire. Smoke can also be driven onto other floors by the stack effect, which causes air to r ise in buildings. The stack effect is caused by the difference in the interior and exterior temperature of the building. The following diagram shows how smoke can disperse throughout a building.

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Figure 1-1. Smoke Infiltrating Areas Adjacent to the Fire

Adjacent Area

Area on Fire

Adjacent Area

Since smoke is carried by the movement of air, you can stop the spread of smoke throughout the building by lowering the air pressure in the area containing the fire and by raising the air pressure in the surrounding areas and floors. The difference in pressure (also called the pressure differential) between the smoke-filled area and the surrounding areas acts as a barrier to the smoke, pushing i t back into the smoke-filled area. The next illustration shows how this works.

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Figure 1-2. Air Pressure Containing Smoke

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Positive Air Pressure

Positive

Air Pressure

Negative Pressure

Positive

Air Pressure

Positive

Air Pressure

Positive

Air Pressure

Positive

Air Pressure

You lower the air pre ssure in the smoke-f illed area by shutting off all air flow into it and turning on the exhaust fans from the area to full capacity. This technique pulls the smoke out of the area and vents it outside of the building.

You pressurize the areas and floors surrounding the fire by turning off all exhaust systems (including closing any exhaust dampers) and forcing supply air to those areas at f ull capacity. The air in the pressurized areas tends to leak into the smoke zone, using the same cracks and holes that the smoke would use to get out. This airflow into the burning room keeps the smoke from spreading.

Areas that are neither being pressurized nor depressurized (i.e. areas far away from the fire) have both their air inlets and air return systems turned off. Turning off the air return prevents the smoke that is being vented into the return air system from coming into the area.

In cases where there are large openings (such as an open doorway) between the area on fire and an adjacent area, smoke can be confined by a large volume of air. Pumping large amounts of air through the adjacent space creates a constant draft through the opening into the smoke zone (as shown in the next illustration). The draft through the open space keeps back the smoke, confining it to the smoke zone. The amount of air required to keep the smoke from penetrating the open space is quite large, so you should avoid this sort of situation when possible.

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The Fundementals of Smoke Control

Figure 1-3. Keeping Smoke Away from a Large Opening

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The Fundementals of Smoke Con trol

Creating Smoke Zones

In order to contain the smoke by using pressure, you must divide the building into smoke control zones. A floor or several floors of the building can be a single zone, or one floor can be br oken into a number of zones. A zone must be separated from other zones by smoke dampers, airtight doors, and smoke-proof barriers.

When a fire breaks out, the smoke control system can then pressurize all of the zones around the one where the fire broke out (called the fire zone), isolating the smoke to that single zone.

If the smoke control system is nondedicated, the layout of the smoke control zones should take into consideration the layout of the HVAC system. You should place multiple areas served by the same VAV boxes in the same smoke control zone. Also, the smoke control zones must conform to any fire control zones that have been established, because the smoke detectors are tied into the fire detection system. Also, keeping the smoke control zones and the fire control zones the same makes coordinating the two systems simpler.

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Smoke Control vs. Fire Control Systems

The smoke control system is usually separate from the fire control system, since they have different goals. The fire control system’s goal is to contain and extinguish the fire as fast as possible. These systems, which halt the fire but not the smoke, are often triggered automatically, relying on the heat of the fire to activate the system. Although smoke control systems are also automatic, you must have manual overrides for the automatic controls. Another difference between smoke control and fire control systems is that where fire control systems, such as sprinklers, often rely on only a water supply, smoke control systems usually rely on electricity to run fans and dampers. So, some smoke control systems have a standby power supply. Standby power provides the smoke control system with electricity in case the main power fails.

The smoke control system should be designed to work with the fire control system and not interfere with its operation. For instance, if the building has a sprinkler system, then the smoke control system does not need to control a large quantity of smoke, since the size of any fire should be smaller.

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The Fundementals of Smoke Control

A smoke control system may also have to be designed to work with gas-based fire extinguishers, such as the halon gas systems installed in many computer rooms. If the smoke contr ol system tried to vent a r oom with such a system, it would probably vent the fire suppressing gas as well. Removing the gas lets the fire continue burning. Also, pressurizing the areas surrounding an extinguisher equipped room reduces the effectiveness of the system as well. Air forced into the room from the outside by pressure can provide the fire with the oxygen it needs to continue burning. So, gas-based fire extinguishers and smoke control systems should not be active at the same time in the same area.

The smoke control system receives the location of the fire from the fire panel. The fire panel uses a combination of smoke and heat sensors to determine where the fire is located.

In the event that signals are received from more than one smoke zone, the smoke control system should continue automatic operation in the mode determined by the first signal received.

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Smoke control systems should never be triggered by manual pull boxes. The risk of someone pulling a box someplace other than the fire zone is too high for you to trust your smoke control system to this form of activation.

All smoke control systems installed in buildings must meet the standards established by the National Fire Protection Association in their publication NFPA 92A, Smoke Control Systems, 1988 edition. You can find additional information regarding fire alarm control units in the Underwriters Laboratories Inc. Standard UL 864.

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The Fundementals of Smoke Con trol

Designing a Smoke Control System

What is the basic goal of the smoke control system? To maintain a tenable environment. A tenable environment allows:

• The building’s occupants to evacuate safely

• The fire fighters to get to the fire zone

The first step you take in designing your smoke control system is to lay out the smoke control zones, as previously explained. After the smoke zones are established, you have to address the following design factors:

• The zone-by-zone smoke control strategies to use

• The amount of pressure needed to contain smoke

• Proper separation between zones

• The fans and ductwork used in the smoke control system

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• Dampers required for smoke control

• The air inlets and outlets used in the smoke control system

• Duct smoke detectors

Devising a Smoke Control Strategy

For each zone in your building, you have to establish a smoke control strategy. The smoke control strategy is a series of steps the smoke control system must take to contain the smoke. For each zone, you must decide:

• Whether you should depressurize the zone if a fire occurs.

• If the zone is to be depressurized, by how much you should depressurize it.

• Which adjacent zones should be pressurized and how much pressure is required.

Some zones in your building may need special consideration. As mentioned earlier, zones that have gas fire extinguisher systems should not be vented (depressurized) and the zones surrounding the fire zone with such a system should not be pressurized. You may not be able to pressurize other areas, such as hospital or animal labs, due to the risk of contaminating surrounding areas.

Consider the number of zones surrounding the fire zone that should be pressurized. While in theory, all you need to do is to pressurize all of the

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The Fundementals of Smoke Control

zones immediately surrounding the fire zone, it is possible that smoke can find its way around the pressurized areas and infiltrate zones far away. Depending on the size of your building, and the capacity you plan to have in the smoke control system, you may decide you want to pressurize more than just the surrounding zones. But, the more zones you want to pressurize, the larger your air supply system needs to be.

Write down the state that all fans, dampers, and other smoke control equipment should be in to control smoke in each zone. Later, you have to program this information into the smoke control system. This information gives the smoke control system a strategy for containing smoke in each possible fire zone.

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The Fundementals of Smoke Con trol

Determining the Amount of Pressure Needed

Since air pressure is what keeps smoke from spreading, the primary design factors are the amount of pressure that you need to confine the smoke and the size of the system used to create this pressure.

For the smoke control system to create a barrier of air pressure between the smoke zone and surrounding zones, the amount of pressure required varies with the height of the ceiling and whether or not the building has a sprinkler system. The next table shows the minimum pressure differential needed to keep smoke out of surrounding rooms.

Table 1-1. Minimum Pressure Differential to Pressu rize Fir e Zone

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Sprinkler System

Yes Any 0.05 No 9 ft 0.10 No 15 ft 0.14 No 21 ft 0.18

Ceiling Height

Minimum Pressure Differential (wg)

For buildings without sprinklers and with ceiling heights not shown in the table, you can use the following formula to determine the minimum amount of pressure needed to keep smoke out:

MinimumPressure 7.64 H×

-----

----– SafetyFactor+×=

H is the distance between the fire space and a surrounding space where

the pressure differential is zero. A figure of the floor to ceiling height

is a conservative estimate.

To is the absolute room temperature of t he surrounding zones measured

in °R (degrees Rankine). Typically, To = 530° R (70° F). The conversion from °R to °F is: °R = °F + 460.

Tf is the absolute temperature of the hot gases in the fire z one. It is a lso measured in °R. Typically, Tf is 2160° R (1700° F).

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The Fundementals of Smoke Control

SafetyFactor is a constant added to the results to make sure they are sufficient. A value of 0.03 wg (inches water gauge) is recommended.

Pressure buildup in an area depends on how much leakage there is. Leakage occurs through joints, cracks, openings for pipes and wires, gaps between doors and their door jams, and so forth. The better the zone is sealed off from its neighbors, the easier it is to maintain the required pressure. Since larger openings, like doorways that are normally open, require large amounts of air to maintain pressurization, you should avoid this type of situation.

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The Fundementals of Smoke Con trol

Separating Zones

You must separate smoke zones from one another by smoke barriers, which prevent smoke from passing through them. Smoke barriers can be a wall, a floor, or a ceiling. Any openings in the smoke barrier must be closed with a smoke-proof fitting. For example, all duct work going through a smoke barrier must have a smoke damper in it. A smoke damper is a damper that prevents smoke from passing through it when fully closed. (Refer to the dampers section below for more information.) During a smoke emergency all of the fittings should seal themselves, so that smoke cannot penetrate the barrier.

Since the smoke control zones should be the same as the fire control zones, you usually separate your zones with a fire ra ted partition. A fire rated partition is a wall that is built of fire resistant materials and that reaches from floor to ceiling. Different floors should be separated by a fire rated ceiling, a ceiling made of fire resistant materia ls . Both fire rated partitions and fire rated ceilings are rated for the amount of time they can withstand a fire. Any openings in a fire rated partition or c eiling must be sealable with a fire rated closure, such as fire rated doors or fire damper.

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Selecting Dampers

The dampers used to isolate the smoke zone must be smoke dampers. Smoke dampers are dampers that meet the requirements given in UL 555S, Standard for Leakage Rated Dampers for Use in Smoke Control Systems. Following this standard ensures that the dampers are able to block the smoke when they are fully closed. These dampers may be different from those you might use in an HVAC system that does not perform smoke control.

In a smoke control system, the dampers must be able to travel to their desired setting in 75 seconds. All dampers must be fitted with end position microswitches to provide feedback to the smoke control system. These switches let the control system know the position of the dampers, since smoke dampers are usually either fully closed or fully open.

Dampers sometimes function as both smoke dampers and fire dampers. Fire dampers are dampers that block a fire from penetrating a fire rated partition via a duct. These dampers are normally open, held in place by a fus ible link. The f usible link is a heat-sensitive device that releases the

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The Fundementals of Smoke Control

dampers when it is heated to a certain temperature. Once the fusible link releases, the dampers close by the force of gravity. So, fire dampers operate even if the electricity has failed. The specif ications for fire dampers appear in the document UL555, Standard for Fire Dampers.

If you want a damper to function as both a smoke damper and a fire damper, it must meet the requirements for both devices. These dampers can be operated by electric motors or pneumatics. But it must, however, also have a fusible link or other means of closing automatically, like a regular fire damper. The control system can override the closure due to temperature. The damper needs the fusible link in case the automatic control of the damper by the control system is interrupted.

Choosing Fans and Duct Work

The fans and duct work used in the smoke control system must be capable of providing the amount of pressure you calculated earlier. In a nondedicated system, this may mean that you need to install fans that have a higher capacity than the HVAC system calls for. The ducts must be capable of taking the pressurization (or the depressurization, for the fire zone’s return duct) that the smoke control system will exert.

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Both the fans and the ducts should meet the requirements stated in NFPA 90A, Standard for the Installation of Air Conditioning and Ventilating Systems.

Fans for a smoke control system normally do not have to meet any special heat resistance rating. In a smoke control system, fans must be able to reach the required setting in 60 seconds. Each fan must have a pressure monitor mounted so that the smoke control system can receive feedback on the status of the fan to determine whether it is actually operating or not.

In some climates, the outside air can be so cold that drawing it directly inside the building can damage the building’s interior (freeze pipes or damage temperature-sensitive equipment, for example). In these cases, some sort of preheater needs to be installed on the air inlet. The smoke control system does not have to control the heater as closely as one in an HVAC system, since maintaining comfort levels is not an issue. It simply has to make sure the air sent into an area is not going to damage the building’s interior.

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The Fundementals of Smoke Con trol

Positioning Air Inlets and Outlets

You need to carefully consider the placement of the air inlets and outlets on your building. If you place an outlet that vents smoke too close to an air inlet, the air intake can draw the smoke back into the building.

Since smoke rises, the exhausts that vent smoke should be placed well above air inlets. The exhausts should be placed at least 3 ft above the roof level, to allow space for the smoke to rise and disperse.

Keeping smoke outlets far away from air inlets does not guarantee that the air brought into the building is always smoke free. You may want to place smoke detectors in air inlets that operate during a smoke emergency. If the detector finds smoke in the incoming air, it alerts the control system. The control system has to decide whether or not to shut down the air inlet.

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You should refer to NFPA 90A for more information on smoke detectors in inlets and outlets.

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The Fundementals of Smoke Control

Employing Dedicated Smoke Control Systems

Most of the systems discussed so far have been nondedicated systems. Even in a building whose primary smoke control system is nondedicated, you may have special zones or functions where you need to use a dedicated system. The most common dedicated system is a dedicated smoke control system for a stairtower.

StairTowers

Stairtowers are stairwells with a ventilation system and are isolated from the main building. The only connection between the building and the stairtower is fire-rated doors on each floor. Since the building’s occupants should use the stairtower to leave during an evacuation, keeping the stairtower smoke free is vital.

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A stairtower has its own dedicated system that pressurizes the stairwell to keep smoke out. This dedicated system can take several forms, from a fan mounted in the roof of the stairtower, to a duct system that delivers air to each level.

You must pressurize a stairtower enough to keep smoke out. However, if the pressure in the stairtower is too great, then opening the doors leading into the stairtower can be difficult. You must strike a balance. The stairtower smoke control system must pressurize the stairway enough to keep the smoke out, but it must not pressurize it so much that the doors cannot be opened.

Figure 1-4. The Effects of Too Much and Too Little Pressure

Too Much Pressure

Too Little Pressure

Stairtower BuildingStairtower Building

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Figure 1-5. Parts of a Stairtower System

Exhaust Fan or Vent

Air Supply Duct

Pressure Vents

Fire Rated Door

Supply Fan

StairtowerBuilding

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Ensuring Doors Can Be Opened

The table below shows the maximum allowable pressure differential across a door in inches water gauge based on how wide the door is and how much force the automatic door closing mechanism exerts. At the pressures shown in the table, the door requires 30 lbf (pound of force) to open, the maximum limit suggested by the NFPA Life Safety Code.

Table 1-2. Pressure Differential Across Doors

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Door Closer Force (lbf)

6 0.45 0.40 0.37 0.34 0.31 8 0.41 0.37 0.34 0.31 0.28 10 0.37 0.34 0.30 0.28 0.26 12 0.34 0.30 0.27 0.25 0.23 14 0.30 0.27 0.24 0.22 0.21

Pressure Differential for Various Door Widt h s (inches)

32 in 36 in 40 in 44 in 48 in

The table above assumes a door height of 7 ft and a distance from the doorknob to the knob side of the door of 3 in. If your door does not meet these requirements, or has opening hardware other than a doorknob, such as panic hardware, then refer to the ASHRAE publication Design of Smoke Control Systems for Buildings for a formula to calculate the proper opening force. The door widths in the table are only valid for doors that are hinged at one end. For other types of doors, see the ASHRAE document.

Many door closers vary the amount of force as the door opens. They provide less resistance in the early stages of opening t he door than they do later, when the door is almost fully open. The force to open the door shown in the previous table represents the force needed to open the door only enough to let air flow through the opening. Once air is able to flow, the force exerted by the difference in air pressure on the door lessens. Therefore, when calculating the force required to open the door, you may need to lower the door closer force.

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Controlling Pressure in a Stairtower

Stairtower smoke control systems are divided into two categories— noncompensated and compensated. Noncompensated systems simply turn on a fan to pressurize the stairtower. The fan’s speed does not change to compensate for doors opening and closing. The more doors that are open, the more the pressure differential between the stairwe ll and the building drops.

Figure 1-6. Compensated and Noncompensated Stairtower Systems

Constant Speed

Fan

VariableSpeed Fan

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Vent

A compensated system adjusts the airflow to make up for pressure lost through open doors. It can use dampers to relieve excess pressure in the stairtower to ensure that the pressure does not go over the maximum limit.

There are a number of ways compensated stairtower smoke control systems can control pressurization. In a basic system with a roofmounted fan blowing air into the stairtower, pressure can be regulat ed by varying the speed of the fan, the pitch of the fan’s blade, the inl et vanes, or the number of fans operating (assuming there is more than one).

More sophisticated systems use ducts to deliver air to several points in the stairtower. The dampers can be controlled to maintain the appropriate pressure in their zone.

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Figure 1-7. Examples of Controlling Stairtower Pressure

Pressurizati o n Fan

Air Pressure Duct

Duct systems can also use bypass dampers and ducts to control the amount of air flowing from the fan to the outlets. The bypass dampers are opened when the stairtower is at the proper pressure, so that excess air flows not into the duct system, but into the bypass duct and back to the air inlet. See the next diagram for an example of a bypass duct system.

Figure 1-8. A Bypass Pressure Control System

Bypass Duct Dampers

Bypa ss Duct

Air Intake

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The Fundementals of Smoke Con trol

There are also a number of ways a compensated stairtower smoke control system can get rid of excess air pressure, to ensure that the doors leading into the stairtower can open properly. One or more vents to the building’s exterior (with dampers) can be used in the stairtower to release excess pressure. These dampers can be barometrically controlled (being forced open by the excess air pressure) or controlled by electric motors or pneumatics as in conventional HVAC systems. In both cases, the dampers must be placed far enough away from the air s upply to prevent venting of air that has not yet been able to disperse through the stairtower. Vents can also lead into the building, but you should consider carefully the impact of venting extra pressure into the building before using this type of vent.

In some cases, a ground-level stairtower door can be used in place of dampers. This door automatically opens and closes to maintain the proper amount of pressure in the stairtower. The door is usually locked, for security reasons. During an emergency, the smoke control system has to be able to override the lock. Using a door in this manner has its problems, since wind effects close to the base of a building could prevent the air from escaping through the door.

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Figure 1-9. Methods of Controlling Stairtower Pressure

Roof-mounted Exhaust Fan

Vent to Outside with Barometrically or Automatically Controlled Dampers

Automatic Door Used to Vent Pressure

You can al so use an exhaust fan to vent th e excess pressure f r om t he stairtower. Such a f an should be d esigned to op er ate only when th e stairtower is overpressurized. It should never be on when the pressure differential between t he building and the s tairtower i s below the lowest limit.

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Elevators

Elevator shafts present a special menace with regards to smoke control. The elevator shafts form perfect chimneys to draw smoke into the upper levels of a building. Since elevators usually have openings on each floor, and the seals on the elevator doors are often poor, the elevator shaft can become a mechanism to spread smoke throughout a building. Smoke control in an elevator shaft is an important consideration in the overall smoke control plan.

Figure 1-10. Smoke Control For Elevator Shafts

Low Pressure Area Created by Elevator

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Speci a l Smoke Proof Elevator Doors

Low Pressure Area Created by Elevator

Pressurization Fan for Elevator Shaft

If you could manage to make them safe during smoke emergencies, elevators would ease the evacuation of the building, especially for people in wheelchairs. To have the elevators usable during a smoke emergency, you need to pressurize the elevator shafts the same way you pressurize a stairtower.

However, pressurizing the elevator shaft presents a number of problems. While the elevator doors can be fitted with improved seals and rubber sweeps, these systems will no t totally e liminate air leakage. Also, most elevator shafts are not designed to be pressurized. They often have large openings at the top where the cables feed into the winding room. Shafts are often constructed of porous material that cannot contain the air pressure. And since most shafts are not designed to be inspected after the elevators are installed, finding and repairing cracks that would let smoke infiltrate or pressure esc ap e is difficult.

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Another primary problem with letting elevators run during a smoke emergency is the localized pressure differences that the cars create as they travel up and down the shafts. For example, a car moving down from the top of the shaft may create a small low air pressure zone near the shaft’s top, which can pull smoke from the fire zone into the shaft.

At the present time , these issues have not be en resolved. Pressur izing the elevator shafts so that the elevators can operate during a smoke emergency is still being studied. In general, elevators should not be used as an escape route during an evacuation.

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Detecting Smoke

The fire control system is the system that is connected to the smoke and fire detectors. Every smoke zone should have a Listed smoke and fire detector installed in it. The detectors should be located so that they will detect the presence of smoke or fire before it spreads beyond the zone. Once the fire control system detects the fire, it relays to the smoke control system the zone and the type of alarm that was triggered. The smoke control system then takes action.

Never use manual pull stations to start the smoke control system. There is no guarantee that the person pulling the alarm is in the same smoke zone as the fire. The automatic smoke control system should take only those actions that are common to all smoke strategies when a manual pull station is activated. For example, the stairwell can be pressurized in response to a manual pull box alarm. Implementing a specific smoke control strategy must wait until the smoke detectors locate the fire zone.

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Configuring and Mon itoring a S moke Control System

The smoke control system should be able to act on its own in response to detecting smoke. When it detects smoke, the system enacts the strategy you planned out (as discussed in the design section of this article). The automatic smoke control should stick with the strategy to control smoke in the first zone that smoke is detected in. It would be difficult for you to create strategies for controlling smoke in all possible combination of zones.

The automatic smoke control system must have the highest priority over all other automatic control systems in the building. It must override energy management, occupancy schedules, or other controls. The smoke emergency will probably last only several hours, so the impact on energy management should be minimal. The only systems that should be able to automatically override the smoke control system are such safety systems as high pressure limiters.

Considering how unpredictable smoke is, you must have a manual control panel from which the smoke control system can be monitored and overridden. This panel, called a Firefighter’s Smoke Control Station (FSCS), allows firefighting personnel to take manual control of the smoke control system.

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Firefighter’s Smoke Control Station

The Firefighter’s Smoke Control Station (FSCS) is a graphic annunciating control panel that gives firefighters information about the state of the smoke control system as well as manual control over all of its components. The FSCS should be located in a secure room or cabinet to prevent unauthorized personnel from tampering with it. The room or cabinet should be clearly marked so that firefighters can quickly locate the FSCS.

The Fireman’s Smoke Control Station panel has a diagram of the building showing the entire smoke control system, along with status lights and override switches for all of the system’s components. The diagram of the building should include all smoke control zones, all of the ducts leading to and from the zones with arrows indicating the direction of air flow in the ducts, and a clear indication of which zone each piece of equipment serves.

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The panel must have controls to activate all fans, dampers, and other equipment related to the smoke control system. These manual controls must be able to override all automatic control of smoke control equipment. In particular, the FSCS must be able to override:

• Hand/off/auto switches

• Local start/stop switches on fan motor controllers

• Freeze detection devices

• Duct smoke detectors

The FSCS must not override such safety controls as:

• Electrical overload protection

• Maintenance personnel’s electrical disconnects

• High limit pressure switches

• Any fire/smoke damper thermal control as required by UL33 (standard for heat responsive links for fire protection service), heat responsive links, or UL555S (the standard used for leakage rated dampers for use in smoke control systems).

In non-dedicated systems, local motor controller’s hand/off/auto switches can remain in-circuit with the FSCS panel. But, they can remain in-circuit only if the switches are in a locked room accessible only to authorized personnel. Also, if such a switch is thrown, a trouble alarm must sound in the building’s main control center.

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The indicator lights on the FSCS provide information about the functioning of the system. The following colors should be used for the FSCS indicators:

• Green—Fans and other equipment are running or dampers are open.

• Yellow—Dampers are in the closed position.

• Orange or Amber—The equipment has failed.

• Red—A fire has been detected in the area.

The FSCS has a lamp te st button that turns on all t he panel’s li ghts. Use this button regularly to make sure none of the lights has burned out.

The FSCS gets information on the status of the smoke control system’s equipment from proof monitors on the equipment itself. Each fan that has a capacity over 2,000 cfm capacity should be mounted with a pressure monitor. Smoke dampers should be fitted with end-range microswitches to indicate that they are fully opened or fully closed.

TOC

All of the failure lights on the FSCS (the orange or amber ones) represent the state of the equipment as determined by the proof sensors. The failure light comes on if the piece of equipment is not in the state its control is set for within its trouble indication time. This time is 60 seconds for a fan and 75 seconds for a damper. If, within that time, the proof sensors do not report that the piece of equipment has responded to the control system’s command, the FSCS indicates that the piece of equipment has failed.

Andover Controls Corporation 1-25

The Fundementals of Smoke Con trol

Testing the System

During the installation, you should perform operational tests that make sure the components and subsystems of the smoke control system are installed correctly. After the installation is done, you must perform acceptance tests, to prove that the smoke control system is capable of doing what it was designed to do. The testing procedures are covered in a later chapter of this manual.

Bibliography

The National Fire Prot ection As sociation. NFP A 90A, Standard for the Installation of Air Conditioning and Ventilating Systems. The National

Fire Protection Association.

The National Fire Protection Association. 1988. NFPA 92A, Recommended Practices for Smoke Control Systems. The National Fire Protection Association.

TOC

Underwriters Laboratories, Inc. UL 555S, Standard for Leakage Rated Dampers for Use in Smoke Control Systems. Underwriters Laboratories,

Inc.

Underwriters Laboratories, Inc. UL 555, Fire Dampers. Underwriters Laboratories, Inc.

Underwriters Laboratories, Inc. UL 864, Control Units for Fire- Protective Signaling Systems. Underwriters Laboratories, Inc.

1-26 Infinity Smoke Control Guide

Chapter 2

Infi nity Smoke Contr o l

System Components

This chapter presents a general overview of the Infinity smoke control system and describes the UL listed system components used, the features of each component, and their role within the system. The following components are described:

• CX9200 main controller

• SCX920S controller

TOC

• TCX840 series controllers

• TCX850 series controllers

• TCX860/865 series controllers

• EnergyLink 2500 repeater

• InfiLink 200 repeater

• InfiLink 210 repeater

• FSCS (Firefighter’s Smoke Control Station)

• Fire Panel

Infinity Smoke Control System Components

Smoke Control System Overview

Figure 2-1 shows the components that are used in an Infinity smoke control system and how they are connected together. The component descriptions in the re mai nder of this chapter describe in more detail the role of each component in the system. Notice that the smoke control system itself is electricall y isol ated from the non-smoke control components.

Figure 2-1. Smoke Control System Overview

Smoke Detectors, Fire Detectors, Manual Pull Boxes, Etc.

TOC

RS-232

Cable

RS-232

Cable

fiber opti c cable

SX8000

Workstation

CX9200

Infilink

200

Infi n et Cable

EnergyLink 2500

EnergyNet

Cable

SCX920S

UL Listed Smoke C ont rol Compon ents

Non-Sm oke Contr ol C omponent s

TCX 850

series series

TCX 840

series

TCX 860/5

fiber optic

cable

Infilink

210

2-2 Infinity Smoke Control Guide

Infinity Smoke Control System Components

CX9200 Controller

The CX9200 serves as the central controller in the Infinity smoke control system. It controls the communication between the other system components within the smoke control system. The C X9200 can be used in a dedicated or a non-dedicated smoke control application. The CX9200 connects to other controllers in the following ways:

• The CX9200 connects to other CX9200 controllers via the E nergyNet network.

• The CX9200 connects to the Infinet controlle rs, such as the SCX920S, the TCX850 series, TCX 840 series, or the TCX860/865 series, via the Infinet network.

• The CX9200 also connects to both the FSCS and Fire panel using 2 RS-232 ports.

TOC

When the CX9200 is utilized for smoke control, it performs the following functions:

• Initializes the smoke control system.

• Receives fire alarms from the Fire Panel and instructs the Infinet controllers to execute a smoke control strategy.

• Reads the manual override settings and updates the LEDs and alarm on the FSCS.

• Performs weekly self-tests on all the dedicated components in the smoke control system.

• Monitors the controllers in the smoke control system and signals the FSCS when there is a communication fault or output override.

Features

• Plain English programming language

•1 Energynet communications port

• 3 RS-232/RS-485 communications ports

• 1 RS-232/RS-485/RS-422 communications port

• Supports up to 254 Infinet controllers

• Battery backup: 1 hour full UPS to 72 hours for memory only

• 115V/230V AC power input

• DCX250 touch-screen display option

• 9600 bps Infinity Modem option

• ENL2500 Energynet repeater option

Andover Controls Corporation 2-3

Infinity Smoke Control System Components

SCX920S Controller

The SCX920S controller is used to control a large piece of equipment, such an AHU (Air Handling Unit), or several smaller pieces of equipment, such as smoke dampers. The SCX920S communicates with the CX9200, as well as other Infinet controllers, via the Infinet network. The SCX920S can be used in a dedicated or a non-dedicated smoke control application.

Features

• Plain English programming language

• 16 Universal inputs that can be configured to measure Voltage, Current, Temperature, or Digital (contact closure) values

• 8 Outputs that can be either FormC relay contacts, Voltage outputs, or Current outputs

TOC

• 1 RS-485 Infinet port

• Lithium battery backup for memory and Real Time Clock

• 24V/115V/230V AC power input

• Available in either an open class plastic housing, designed to be placed in a Listed enclosure, or as a fully enclosed unit with a locking door

• Optional Local Display/Keypad option

2-4 Infinity Smoke Control Guide

Infinity Smoke Control System Components

TCX840 Series Controllers

The TCX840 series includes the TCX840, TCX843, TCX845, TCX846 controllers. The TCX840 series controlle rs are used to control small pieces of equipment that require fewer I/O points than an SCX920S, such as VAV boxes or stairwell fans. The TCX840 series communicates with the CX9200, as well as other Infinet controllers, via the Infinet network. The TCX840 series can be used in a dedicated or a nondedicated smoke control application.

Features

• Plain English programming language

• Universal inputs that can be configured to measure Voltage, Current, Temperature, or Digital (contact closure) values

TOC

• Analog outputs can be either voltage or current

• Air-flow sensor that measures differential pressure

• 1 RS-485 Infinet port

• Lithium battery backup for memory

• 24V AC power input

Table 2-1 lists the I nput/Output capabiliti es of each of the controlle rs in the TCX840 series.

Table 2-1. TCX840 series I/O capabilities

TCX840 TCX843 TCX845 TCX846

Universal Inputs

Form A Outputs

Tri-State Outputs

Analog Outputs

0 - 1" Air-flow Sensors

2244 2555 1222 0022 1101

Andover Controls Corporation 2-5

Infinity Smoke Control System Components

TCX850 Series Controllers

The TCX850 series includes the TCX850, TCX851, TCX852, TCX853, and TCX855 controllers. The TCX850 series controllers are used to control small pieces of equipment that require fewer I/O points than an SCX920S, such as VAV boxes or stairwell fans. The TCX850 series communicates with the CX9200, as well as other Infinet controllers, via the Infinet network. The TCX850 series can be used in a dedicated or a non-dedicated smoke control application.

Features

• Plain English programming language

• Universal inputs that can be configured to measure Voltage, Current, Temperature, or Digital (contact closure) values

• Air-flow sensors that measure di ffer enti al pressu r e

TOC

• 1 RS-485 Infinet port

• Lithium battery backup for memory

• 24V AC power input

Table 2-1 lists the Input/Output capabilities of each of the controllers in the TCX850 series .

Table 2-1. TCX850 series I/O capabilities

TCX850 TCX851 TCX852 TCX853 TCX855

Universal Inputs

Form A Outputs

Tri-State Outputs

0 - 1" Air-flow Sensors

0 - 0.2" Air-flow Sensors

44264 33133 11111 10120 00001

2-6 Infinity Smoke Control Guide

Infinity Smoke Control System Components

TCX860 Series Controllers

The TCX860 series includes the TCX860, TCX861, TCX862, and TCX863 controllers. Like the TCX850 series, the TCX860 series

controllers are used to control VAV boxes. The TCX860 series communicates with the CX9200, as well as other Infinet controllers, via the Infinet network. The TCX860 series can be used in a dedicated or a non-dedicated smoke control application.

The TCX860 series controllers have a built-in motor and gear assembly for direct control of a damper.

Features

• Plain English programming language

• Universal inputs that can be configured to measure Voltage, Current, Temperature, or Digital (contact closure) values

TOC

• Analog outputs can be either Voltage or Current

• Air-flow sensors that measure differential pressure from 0 to 1 inches water gauge

• One RS-485 Infinet port

• Lithium battery backup for memory

• 24 V AC power input

Table 2-2 lists the I nput/Output capa bilities of each of the controlle rs in the TCX860 series.

Table 2-2. TCX860 Series I/O Capabilities

Input/Output Types TCX 860 TCX 861 TCX 862 TCX 863

Universal Inputs Form A Outputs Analog Outputs Airflow Sensors

4424 3333 —222 1111

Damper Motor EMX170 ports Powerfail PCB

Andover Controls Corporation 2-7

111— —111 ——1 —

Infinity Smoke Control System Components

TCX865 Series Controllers

The TCX865 series includes the TCX865, TCX866, TCX867, TCX868 and TCX869 controllers. Like the TCX860 series, the TCX865 series controllers are used to control VAV boxes. The TCX865 series communicates with the CX9200, as well as other Infinet controllers, via the Infinet network. The TCX865 series can be used in a dedicated or a non-dedicated smoke control

application.

The TCX865 series controllers have a built-in motor and gear assembly for direct control of a damper.

Features

• Plain English programming language

• Universal inputs that can be configured to measure Voltage, Temperature, or Digital (contact closure) values

TOC

• Analog outputs can be either Voltage or Current

• Air-flow sensors that measure differential pressure from 0 to 1 inches water gauge

• One RS-485 Infinet port

• Lithium battery backup for memory

• 24 V AC power input

Table 2-1 lists the Input/Output capabilities of each of the controllers in the TCX865 series.

Table 2-1. TCX865 Series I/O Capabilities

Input/Output Types TCX 865 TCX 866 TCX 867 TCX868 TCX 869

Universal Inputs Form A Outputs Analog Outputs Airflow Sensors

22222 33033 00002 11111

Damper Motor Sensor ports Real Time Clock

2-8 Infinity Smoke Control Guide

111 — 00011 01011

Infinity Smoke Control System Components

EnergyLink 2500

The EnergyLink 2500 is an active network hub for the EnergyNet network that has slots for plugging in various media interface modules.

The EnergyLink 2500 can perform the following functions:

• Allows the Energynet to be used in a star configuration

• Extends the length of an Energynet network

• Connects different Energynet media types together

• Allows for electrical isolation on an Energynet network by using fiber optics.

Features

• Slots for up to 7 media interface modules

TOC

• Mounts inside the CX9200 cabinet

• Power (+5V DC) supplied by the CX9200 power supply

Table 2-3 lists the 3 different media interface modules that are available for the EnergyLink 2500.

Table 2-3. EnergyLink 2500 Media Interface Modules

Media Type Media Interface Module

Twi s te d Pair (10 BASE-T) ENL2501 Thin Coaxial (10BASE-2) ENL2502 Fiber Optic (10BASE-FL) ENL2503

Andover Controls Corporation 2-9

Infinity Smoke Control System Components

Infilink 200

The InfiLin k 200 is a repeater and network expander for the Infinet network.

The InfiLink 200 can perform the following functions:

• Amplify an RS-485 Infinet signal, thus allowing for extension beyond 4,000 feet

• Expand an RS-485 Infinet signal into 4 more RS-485 channels, thus allowing for up to 127 Infinet controllers on a network

• Convert an RS-485 signal into an RS-232 signal

Features

• 5 RS-485 ports

TOC

• 1 RS-232 port

• Switch selectable baud rates

• Enclosure is standard

• 115V/230V AC power input

2-10 Infinity Smoke Control Guide

Infinity Smoke Control System Components

Infilink 210

The InfiLi nk 210 is a fiber optic repeater for the Infinet network. The InfiLink 210 is used to convert a single RS-485 Infinet signal into 2 fiber

optic Infinet channels. Therefore, if an Infilink 210 is used at each Infinet controller, the entire network can use fiber optics. The Infilink 210 can be used to electrically isolate one section of the Infinet network from another section.

Features

• 1 RS-485 port

• 2 fiber optic ports. Each port has a Receive Data connection and a Transmit Data connection.

• Switch selectable baud rates

• Enclosure is standard

TOC

• 115V/230V AC power input

Andover Controls Corporation 2-11

Infinity Smoke Control System Components

The FSCS

The Firefighter’s Smoke Control Station (FSCS) is a custom panel that provides full monitoring and manual control capability over all smoke control equipment. In the event of an emergency, it is used by the fire department to override the smoke control system.

Features

The FSCS should contain a building diagram that clearly indicates the type and location of all smoke control equipment, and the areas served by the equipment (smoke control zones). Since the FSCS uses a graphical depiction of the building, each FSCS will be unique and must be custom made.

The FSCS graphic must show all fans in excess of 2000 CFM, all dampers or groups of VAV boxes, and all major ducts and how the ducts are connected together. The FSCS graphic must provide a clear indication of the direction of airflow in the ducts.

TOC

If the FSCS graphic is t oo la rge to fit on a single panel, multiple pane ls may be used.

Manual Overrides

The FSCS must provide manual controls that will override any piece of equipment in the smoke control system. The FSCS must have the highest priority in the smoke control system. The FSCS must be able to override any other manual or automatic control that is being used in the system, except when these controls are intended to protect against electrical overloads, provide for personal safety, or prevent major system damage. VAV boxes that are all located within and serve one designated smoke control zone may be controlled collectively.

Fans require a 3-position control that provides ON-AUTO-OFF capabilities. Dampers require a 3-position control that provides OPENAUTO-CLOSE capabilities. The AUTO position is removed if the override is for a piece of equipment that can only be controlled by the FSCS.

In addition to the controls mentioned above, you can also have a 3position control for each zone that provides PRESSURIZE-AUTOEXHAUST capabilities.

2-12 Infinity Smoke Control Guide

Infinity Smoke Control System Components

Status Indicators

The actual status of the smoke control equipment must be clearly indicated on the FSCS by the use of visual indicators with appropriate legends.

Fans must have a single indicator that turns on when the fan’s differential pressure “proof sensor” indicates that the fan is operating.

Dampers must have 2 indicators: one that turns on when the damper’s end-limit “proof sensor” indicates that the damper is closed , and one that turns on when the damper’s other end-limi t “proof sensor” indicates that the damper is open. Both indicators should be off when the damper is positioned between the open and closed positions.

The FSCS should provide a status indicator for each zone that signals whether or not the zone is in an alarm condition.

TOC

The FSCS should provide status indicators for each piece of equipment that signals when there has been an equipment failure. For instance, if the fans do not turn on within 60 seconds, or the dampers do not reach the desired position within 75 seconds, the fault indicator should turn on.

Table 2-4 lists the status indicator colors that m ust be used on the FSCS

Table 2-4. FSCS Status Indicator colors

Status Color

Damper OPEN or Fan ON Green Damper CLOSED Yellow System or Equipment FAULT Amber/Orange Zone ALARM Red

Andover Controls Corporation 2-13

Infinity Smoke Control System Components

Other Features

The FSCS will also have the following features:

• Master Key – This key will silence the audible alarm and enable all of the controls on the FSCS. This key must be made available to authorized personnel only.

• Clear Faults Button -- This momentary push-button will clear all of the fault indicators on the FSCS. This push-button is not enabled unless the Master key is ON. If the fault corrects itself, the fault indicator will automatically turn off. If the fault returns, the fault indicator will turn on again. If there is a fault detected during the weekly self-test of a dedicated controller, the fault indicator for that piece of equipment will stay on until it is cleared. The C lear Faults push-button is wired to an input on the FSCS, just like any other switch.

• Lamp Test Button - This momentary push-button turns on all of the status indicators on the FSCS, thus allowing the operator to determine if there is a bad indicator.

TOC

• Audible Alarm – The alarm sounds when there is a smoke emergency or when there is an equipment fault. Turning the Master key ON is the only way to silence the alarm.

Ordering Information

Andover Controls’ UL listing includes a custom FSCS panel that is manufactured by Automation Displays Incorporated. For ordering information, contact:

Automation Displays Inc. 3533 North White Avenue Eau Claire, Wisconsin 54703 (715) 834-9595

2-14 Infinity Smoke Control Guide

Infinity Smoke Control System Components

Design Guidelines

In order to have the FSCS built to your specifications, you will need to supply the following:

• An accurate drawing of the smoke control system. This drawing will be used to create the FSCS front panel graphic.

• A second copy of the FSCS drawing indicating the colors of the status indicators.

• A third copy of the FSCS drawing indicating the colors that are to be used for the front panel graphic. Consult Automation Displays, Inc. for a list of options.

• Specify whether you need a flush-mount or a surface-mount panel.

• Specify whether or not you need a transparent cover for the FSCS.

• Specify whether or not you need a terminal block wired to the FSCS inputs, to be used for Zoned Wiring to the Fire Panel.

TOC

Automation Displays, Inc. will provide you with a copy of the FSCS drawing that indicates the I/O numbers that correspond to each LED output and each switch input on the FSCS. Each 2 position switch requires 1 input and each 3 position switch requires 2 inputs.

The FSCS you order from Automation Displays Inc. will contain the following:

• An Automation displays’ Autoface IV graphic door with a keylock.

• Switches and Status Indicators for each piece of smoke control equipment.

• A “Master” keyswitch, a “Clear Faults” push-button, a “Lamp Test” push-button and a sonalert audible annunciator.

• An Automation Displays’ Q-Card CPU board with the “Andover Data Interface” firmware that is wired to an RS232 Protection PCB.

• An Automation Displays’ 80 Point Driver card for every 80 status indicators.

• An Automation Displays’ 80 Point Driver card for reading the FSCS switches. A 2 position switch requires 1 input and a 3 position switch requires 2 inputs. A Switch Protection PCB is also included.

• A 5V DC power supply for the Q-Card, the 80 Point Driver cards, and the FSCS Status Indicators.

Refer to Chapter 5 for a drawing of an example FSCS graphic.

Andover Controls Corporation 2-15

Infinity Smoke Control System Components

The Fire Panel

The Fire Panel connects to all of the smoke detectors, fire detectors, manual pull boxes, fire alarms, etc. within the buil ding. When one of the Fire Panel sensors detects a problem, the Fire Panel informs the Infinity smoke control which sensor is in an alarm condition and what the alarm condition is. The Infinity smoke control system receives all of it’s alarm information from the Fire Panel. The smoke control zones must correspond to the Fire Panel’s fire zones.

There are two methods for connecting the Fire Panel to the Infinity smoke control system: using an RS-232 communications channel or by the Zoned Wiring method.

RS-232 Communications

As part of Andover Controls’ UL Listing, the following Fire Panels can communicate directly with the CX9200 via RS-232:

TOC

Simplex Time Recorder Co. Series 4100 1 Simplex Plaza Gardner, Massachusetts 01441 (508) 632-2500

Edwards Systems Technology, Inc. Model # IRC-3 195 Farmington Avenue Farmington, Connecticut 06032 (203) 678-0410

Zoned Wiring

If you are using a Fire Panel that is not listed above, you will have to connect to the Infinity smoke control system using the Zoned Wiring method. This requires running a set of wires for each zone from a contact closure output on the Fire Panel to inputs on the FSCS. The CX9200 will poll the FSCS to determine when a zone is in an alarm condition. If you plan on using this method, you must specify that a terminal block be provided with the FSCS that connects to the FSCS inputs. See the following chapter for more details.

2-16 Infinity Smoke Control Guide

Chapter 3 Installation and Layout

This chapter gives instructions for installing and interconnecting the Infinity smoke control system components.

All wiring in an Infinity smoke control system must comply with the National Electric Code (NFPA 70), as well as any state or local regulations.

Special requirements for using Infinity equipment to perform smoke control is covered in detail in this chapter. For general installation instructions, see the installation guides for each individual component. These installation guides are shipped with the Infinity controllers. Topics covered in this chapter are:

TOC

• Installing the CX9200

• Installing Infinet Controllers — The SCX920S — The TCX840 series — The TCX850 series —The TCX860/865 series — The Infilink 200 — The Infilink 210

• Installing the FSCS

• Installing the Fire Panel

Installation and Layout

Installing the CX9200

For detailed information on how to mount and connect the wiring to the CX9200 and it’s peripherals, refer to the following Andover Controls documentation:

TOC

Infinity CX9200 Hardware Installation Guide Energylink 2500 Installation Guide DCX250 Installation Guide Infinity Modem Guide

(P/N 30-3001-196)

(P/N 30-3001-404)

(P/N 30-3001-393)

(P/N 30-3001-347)

Cable Li m i ta tions

• The RS-232 cable between the CX9200 and the FSCS must be no

longer than 20 feet, and must be enclosed in conduit.

• The RS-232 cable between the CX9200 and the Fire Panel must be

no longer than 20 feet, and must be enclosed in conduit.

Comm Port Assignments

In a smoke control system, it is recommended that you use the following Comm Port assignments:

• COMM1 – FSCS panel RS-232

•COMM2 – Infinet Network

• COMM3 – User terminal

• COMM4 – Fire Panel RS-232

Isolating Energynet Controllers

In a system that performs smoke control, the CX9200s have to be electrically isolated from other Energynet devices using the Energylink 2500 and the ENL2503 fiber optic module. This is done in order to ensure that a fault on one of these devices will not interfere with the operation of the smoke control system. The Energylink 2500 is only required when connecting CX9200s to other Energynet devices, it is not required between CX9200s.

The Energylink 2500 mounts in the CX9200 cabinet and receives it’s power from the CX9200 power supply.

Figure 3-1 shows the use of the Energylink 2500 to isolate the CX9200 from other Energynet controllers.

3-2 Infinity Smoke Control Guide

Installation and Layout

Figure 3-1. Isolating the CX9200

CX9200

with

Energylink 2500

TOC

Energynet

Smoke Control Components

Fiber

Optics

Energynet

Other Energynet Components

Andover Controls Corporation 3-3

Installation and Layout

Installing Infinet Controllers

For detailed information on how to mount and connect the wiring to the various Infinet controllers and repeaters, refer t o the following Andover Controls documentation:

TOC

SCX920 Installation Guide TCX840 Installation Guide TCX850 Installation Guide TCX860 Installation Guide TCX865 Installation Guide Infilink 200 Installation Guide Infilink 210 Installation Guide

(P/N 30-3001-170)

(P/N 30-3001-493) (P/N 30-3001-173) (P/N 30-3001-390) (P/N 30-3001-497)

(P/N 30-3001-178) (P/N 30-3001-394)

Smoke Control Requirements

In addition to the information contained in each installation guide, the following requirements apply when using the Infinet controllers and repeaters in a smoke control system .

The SCX920S

• When using the SCX920S in a dedicated smoke control application,

the manual overrides must be disabled. The SCX920 installation guide explains this process in detail.

• When using the SCX920S in a non-dedicated smoke control

application, you must do one of the following:

— Disable the manual overrides, or — Locate the SCX920S in area only accessable to authorized

personnel, and provide an OVERRIDE status indicator on the FSCS that turns on when the outputs are overridden. The FSCS audible indicator must also turn on.

• If the AC input voltage is to be set to 24 V, an Andover Controls’

Listed transformer must be used to supply the 24V AC input power . These transformers must be placed in a Listed enclosure and must be wired according to the National Electric Code, as well as any state or local regulations.

Table 3-1 lists the step-down transformers that are available from Andover Controls.

3-4 Infinity Smoke Control Guide

Installation and Layout

The TCX840 and TCX 850 serie s

• Only an Andover Controls’ Listed transformer may be used to supply the 24V AC input power for the TCX840 and TCX850 series. These transformers must be placed in a Listed enclosure and must be wired according to the National Electric Code, as well as any state or local regulations.

Table 3-1 lists the step-down transformers that are available from Andover Controls.

• All of the Input and Output wiring on the TCX840 and TCX850 series must remain in the same room.

The TCX860/865 series

• Only an Andover Controls’ Listed transformer may be used to supply the 24V AC input power for the TCX860/865 series. These transformers must be placed in a Listed enclosure and must be wired according to the National Electric Code, as well as any state or local regulations.

TOC

Table 3-1 lists the step-down transformers that are available from Andover Controls.

Table 3-1. Listed 24V Step-down Transformers

Primary and

Voltage PRI:SEC VA Rating Part Number

115V : 24V 40 VA 01-2100-378 Solderless Lug 115V : 24V 40 VA 01-2100-323 Wires 277V : 24V 50 VA 01-2100-379 Solderless Lug 208/240V : 24V 40 VA 01-2100-407 Wires

Secondary Connec t io ns

• All of the Input and Output wiring on the TCX860/865 series must remain in the s ame room.

The Infilink 200

• Any cables connected to the RS-232 port must be less than 20 feet in length, and must be enclosed in conduit.

The Infilink 210

• The Infilink 210 must be used to electrically isolate the Infinet controllers that are performing smoke control from the non-smoke control Infinet controllers. This is

Andover Controls Corporation 3-5

CX9200

TOC

Installation and Layout

done in order to ensure that a fault on one of these devices will not interfere with the operation of the smoke control system. The Infilink 210 is not required between every Infinet controller, it is only required between groups of controllers that are performing smoke control and groups of controllers not performing smoke control.

Figure 3-2 shows the use of the Infilink 210 to isolate the Infinet smoke control components.

Figure 3-2. Isolating the Infinet Controllers

SCX920S TCX840 series TCX850 series TCX860/865 series Infilink 200

Smoke Control Components

Infilink

210

Fiber

Optics

Infilink

210

Infinet

Other Infinet Controllers

3-6 Infinity Smoke Control Guide

Installation and Layout

Installing the FSCS

For detailed information on how to mount the FSCS, refer to:

Automation Displays Inc. 3533 North White Avenue Eau Claire, Wisconsin 54703 (715) 834-9595

Location and Access

The FSCS should be located close to the other fire fighter’s systems that are in the building. Means should be provided to ensure only authorized access to the FSCS. When acceptable to the authority having jurisdiction, the FSCS should be located in a room that is separated from public areas by a suitably marked and locked door. The location, room size, access means, and other physical design considerations of the FSCS location must be acceptable to the authority having jurisdiction.

TOC

Inside the FSCS

Figure 3-3 shows what the typical components inside an FSCS wil l look like. Since the FSCS is custom made for each application, the internal layout will vary from panel to panel.

Andover Controls Corporation 3-7

SWITCH

PROTECTION

PCB

TOC

Installation and Layout

Figure 3-3. Typical Internal Components in an FSCS

80 POINT LED DRIVER CARD

80 POINT SWITCH INPUT CARD

WIRING TROUGH

+5V

+5V COM COM

12 3 4

Q-CARD PROCESSOR PCB

+5V DC POWER SUPPLY

1 A

POWER SWITCH AND LINE FUSE

RS-232

PROTECTIO N

PCB

OUT IN COM

RS-232 FIELD

WIRING TERMINALS

AC POWER

FIELD WIRING

TERMINALS

3-8 Infinity Smoke Control Guide

Installation and Layout

Field Wiring Te r m inals

The following are the only field connections that are required when installing an FSCS. All field wiring must be installed by qualified personnel and must comply with the National Electric Code, as well as any state or local regulations.

AC Power Wiring

The AC input voltage is connected to the AC POWER FIELD WIRING TERMINALS.

Figure 3-4 shows this terminal block and how it is wired.

Figure 3-4. AC Power Terminal Block

TOC

The HOT Terminal (Black wire) The NEUTRA L Te rm inal (White w ire ) The GROUND Terminal (Green wire)

RS-232 Communication Port Wiring

The RS-232 cable from the CX9200 connects to the FSCS at the RS-232 FIELD WIRING TERMINALS. This cable must be less than 20 feet in length, and must be enclosed in conduit.

Figure 3-5 shows this terminal block and how it is wired to the CX9200.

Andover Controls Corporation 3-9

Figure 3-5. RS-232 Terminal Block

RS-232

PROTECTION

PCB

OUT IN COM

TOC

Installation and Layout

COMMON DATA IN DATA OUT

Wire to pin 7 on the CX9200 RS-232 port Wire to pin 2 on the CX9200 RS-232 port Wire to pin 3 on the CX9200 RS-232 port

Zoned Alarm Contact Wiring (Optional)

As stated in the previous chapter, if you are not using a Fire Panel that is part of the Andover Controls Listing, you will have to connect the Fire Panel to the smoke control system using the Zoned Wiring method. This involves connecting a set of wires for each zone from the Fire Panel to the FSCS. Each contact closure output on the Fire Panel will be wired to an input on the FSCS, which is read by the CX9200. These FSCS inputs will be wired at a terminal block in the FSCS (not shown). This wiring must be less than 20 feet in length, and must be enclosed in conduit.

The Q-Card Processor PCB

The Q-Card controls the RS-232 communications with the CX9200, reads the FSCS switch inputs from the 80 Point Switch I nput cards, and controls which Status Indicators will be turned on by the 80 Point LED Driver cards.

The Q-Card has a Reset switch and an Options dipswitch. Pressing the Reset switch re sets the pr ocessor, but maintains t he curre nt status of the LEDs. The Options dipswitch is used to s et the RS-232 baud r ate and to enable the auto-blanking feature. When the auto-blanking feature is on, the status LEDs will be cleared if the FSCS does not receive any data from the CX9200 within 10 seconds. The Q-Card only reads the Options dipswitch after a Reset.

3-10 Infinity Smoke Control Guide

Installation and Layout

Table 3-2 shows the settings for the Options dipswitch..

Table 3-2. Q-Card Options Dipswitch Settings

Switch Position: 1234

Auto-blanking ON ON Auto-blanking OFF OFF 9600 Baud OFF OFF OFF 7200 Baud OFF OFF ON 4800 Baud OFF ON OFF 3600 Baud OFF ON ON 2400 Baud ON OFF OFF 1200 Baud ON OFF ON 600 Baud ON ON OFF

TOC

300 Baud ON ON ON

Andover Controls recommends setting the FSCS for 9600 baud, with auto-blanking disabled, therefore all the dipswitches are OFF.

Figure 3-6 shows the location of the switches on the Q-Card.

Figure 3-6. The Q-Card switch settings

Reset Switch Options Dipswitch

1 2 3 4

Q-CARD PROCES SOR PCB

Andover Controls Corporation 3-11

Installation and Layout

Installing the Fire Panel

Refer to the Fire Panel manufacturer’s documentation for installation and wiring instructions.

The Fire Panel connects to the CX9200 through an RS-232 cable. This cable should be no longer than 20 feet in length, and must be enclosed in conduit.

Figure 3-7 shows how to wire the RS-232 cable from the Fire Panel to the CX9200.

Figure 3-7. Fire Panel RS-232 Wiring

a. Simplex Model 4020

TOC

Port A

XMIT RTS RCV CTS

GND

CX9200 DB-25

b. Edwards Systems Technology Model IRC-3

TB1

TXD RXD COMM

CX9200 DB-25

Pin 2 (TD) Pin 3 (RD) Pin 7 (GND)

3-12 Infinity Smoke Control Guide

Chapter 4 Configuring the System

This chapter briefly describes how to configure the smoke control system and how to communicate with the various smoke control system components. For more detailed information concerning these and other topics, refer to the following Andover Controls manual:

Infinity CX Programmer’s Guide (P/N 30-3001-166)

This chapter does not attempt to explain the system’s programming language or how to write smoke control application programs. Refer to Chapter 5 for example smoke control programs.

Topics covered in the chapter are:

TOC

• Logging On to the CX9200

• Using the Command Window

• Using the Menus

• Logging Off the CX9200

• Assigning Security Levels to Users

• Setting the System Date and Time

• Configuring the Commports

• Creating and Editing Points

• Creating and Editing Files

Configuring the Sys te m

Logging on to the CX9200

When you first power up the CX9200, COMM3 at 9600 baud is the default communications port for your terminal. After connecting an R S232 cable between your terminal and COMM3, type WINDOW. You will not see the word WINDOW on your terminal as you are typing. The CX9200 will respond with the Infinity Window.

The Infinity Window prompts you for a User Name first. If the CX9200 has just been powered up or reset, you must type in the predefined User Name ACC. Otherwise, type in your own User Name.

The Infinity Window then prompts you for a Password. If the CX9200 has just been powered up or reset, you must type in the predefined Password ACC. Otherwise, type in your own Password.

If you logged in under the User Name ACC and Password ACC, you are the system administrator and have full access t o the system. You should change the Password ACC to another Password in order to prevent unauthorized access to the system. For details , refer to the section in this chapter on Assigning Security Levels to Users.

TOC

Figure 4-1 shows the Infinity Window.

Figur e 4-1. The Infinity Window

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INFINI TY

Version 1.5

User Name Password

ACC

4-2 Infinity Smoke Control Guide

Configuring the System

Using the Command Window

Once you have logged on to the CX9200, th e Command window will be displayed. The Command window is the main window in the Infinity system .

Along with the Command window, you will see the Main Me n u Bar at the top of the screen and the StatusBar at the bottom.

Figure 4-2 shows the Command window.

Figure 4-2. The Command Window.

iewV ditE onnectC ogoutL

Command Window - INFINITY1

TOC

The Main Menu Bar

The Main Menu Bar has selections for View, Edit, Connect and Logout. The current selection will be highlighted. The View and Edit

selections will cause a Pulldown Menu to appear. The Main Menu Bar selections will be discussed in more detail throughout this chapter.

The Command Window

The Command window allows you to enter commands directly to the smoke control system. You enter these commands at the Command

Andover Controls Corporation 4-3

Configuring the Sys te m

window’s R> prompt. You toggle between the Main Menu Bar and the Command window using the F4 key.

You can print the values of System Variables, Start and Stop Programs, or execute many other commands from the Command window. For example, if you type the following:

R>PRINT DATE

The CX9200 will respond by printing the Date and Time inside the Command window.

The StatusBar

The StatusBar can be used by a program to Print any information that is available in the Infinity syste m .

TOC

4-4 Infinity Smoke Control Guide

Configuring the System

Using the Menus

Although many of the Infinity Menus look different, they all respond to the same set of keystrokes. This section summarizes some of these keystrokes.

You change between the Main Men u Bar selections using the LEFT and RIGHT ARROW keys. In order to accept a selection, you can either press ENTER while the selection is highlighted, or enter the first letter of the selection.

You change between selections in a pulldown menu using the UP and DOWN ARROW keys. In order to accept a selection, you can either press ENTER while the selection is highlighted, or enter the first letter of the selection.

Once in another menu, you use the TAB key to change from attri bute to attribute. To go to the previous attr ibute, hit the ES C key, then the T AB key.

TOC

If an attribute uses a small window and has a list of selections that have a set of parentheses before them, use the UP and DOWN ARROWS to change between the selections, and use the SPACE bar to accept a selection. After you accept the selection, an X will appear in the parentheses.

When the system is prompting you to enter a name, you can press the F2 key to get a list of the available choices.

The F4 key allows you to toggle between the Menu Bars and the Windows.

Logging Off the CX9200

In order to Log Off the CX9200, simply se lect the Logout selection from the Main Menu Bar.

After Logging Off the CX9200, it will not respond t o anything you type on the terminal. You must perform the Logging On procedure if you want to communicate with the CX9200 again.

Andover Controls Corporation 4-5

Configuring the Sys te m

Assigning Security Levels to Users

This section describes how to assign new Users for the Infinity system and how to set the Passwords and Security Levels for these Users.

Starting at the Main Menu Bar, select the Edit function. A pulldown menu will appear showing what Edit functions are available. Select the Users option from the pulldown menu.

Figure 4-3 shows the Edit pulldown menu.

Figure 4-3. Edit pulldown menu

TOC

iewV ditE onnectC ogoutL

Edit

Command Window - INFINITY1

Users

Points Files

Commports Controllers Infinet Controllers System Date & Time System Variables Persons Areas Doors

After selecting Edit Users, you will be prompted to enter the User Name. Type in the Name of the User that you want to add or change and

hit ENTER. For example, if you want to change the Password of the initial predefined use r, enter ACC. You may also use the F2 key to view the selections that are available to you.

The User Window will now appear on the screen. The User Window allows you to enter the Password, set the Security Level, and enter other information about this User.

4-6 Infinity Smoke Control Guide

Configuring the System

When you want to select a particular security level, hit the SPACE bar and an (X) will appear to the left of the selection. When you are done editing this User, TAB over to the Save box and hit ENTER. This new User information will now be entered into the system.

Figure 4-4 shows the User Window.

Figure 4-4. The User Window

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Command Window - INFINITY1

User - INFINITY1 ACC

TOC

User Name

Full Name

Password

Logout Program

ACC ACC

Security Level

( ) No Access ( ) View Only

( ) Acknowledge Alarms ( ) Change Values ( ) Enable/Disable ( ) Configure ( ) Program (X) Administrate

SAVE

SAVE AS

CANCEL

DELETE

TEACH

Andover Controls Corporation 4-7

Configuring the Sys te m

Setting the System Date and Time

Starting at the Main Menu Bar, select the Edit function. A pulldown menu will appear showing you the Edit functions that are available. Figure 4-3 shows the Edit pulldown menu.

Select the System Date & Time option from the pulldown menu. The System Time window, which allows you to set the date and time, will now appear on the screen. Enter the date and time in the same format that appears in the window. When the date and time are set, TAB to the OK box and hit ENTER. You have now set the date and time throughout the Infinity system.

Figure 4-5 shows the System Time window.

Figure 4-5. The System Time Window

TOC

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Command Window - INFINITY1

System Time - INFINITY1

Date and Time

March 24 1994 15:20:00

CANCEL

4-8 Infinity Smoke Control Guide

Configuring the System

Configuring the Commports

The CX9200 has four Communication Ports that must be configured for use with the smoke control system. In a smoke control system, it is recommended that you assign the Commports as follows:

• COM M1 - RS-232 port for the FSCS

•COMM2 - Infinet Network

• COMM3 - User Terminal

• COM M4 - RS-232 port for the Fire Panel

Configuring COMM1 for the FSCS

Starting at the Main Menu Bar, select the Edit function. A pulldown menu will appear showing you the Edit functions that are available. Figure 4-3 shows the Edit pulldown menu.

TOC

Select the Commports option from the pulldown menu. After selecting Edit Commp orts, you will be pr ompted to enter the Commport Na me.

You can either type in COMM1, or press the F2 key for a list of the available selections. After entering COMM1, press the ENTER key and the Commport window will appear on the screen.

The Commport window allows you to enter a description, set the Default Mode, and set the Baud rate. For use with the FSCS, the Commport should be set up as follows:

• Description = F SCS In t erf ace (for example)

• DefaultMode = Printer

• Baud rate = Baud9600 Once the information has been entered, TAB to the SAVE box and hit

the ENTER key. Comm1 has now been configured.

Figure 4-6 shows the Commport window.

Andover Controls Corporation 4-9

Configuring the Sys te m

Figure 4-6. The Commport Window

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Command Window - INFINITY1

Commport - INFINITY1 COMM1

TOC

Name

DefaultMode

Mode

COMM1

(X) Printer ( ) Window

( ) Command ( ) Infinet ( ) Lbus ( ) Autoset ( ) TankNet ( ) Xdriver

Printer

Description

Baud

( ) Baud300 ( ) Baud1200 ( ) Baud2400 ( ) Baud4800 (X) Baud9600 ( ) Baud19200

FSCS Interface

SAVE

CANCEL

Configuring COMM2 for Infinet

Select Edit Commports and enter COMM2 at the Name prompt. When the Commport window comes up, set the DefaultMode attribute to Infinet.

When you hit the TAB key the Commport window will change slightly and two more boxes will appear that are labeled Learn and View. These new selections apply to an Infinet port. The Learn box in st r u ct s t h e CX9200 to poll the Infinet Network and bring any available controllers On-line. The View box instructs the CX9200 to print out the status of the Infinet controllers.

The attributes should be set as follows:

• Description = Infinet Port (for example)

• DefaultMode = Infinet

• Baud rate = Baud19200 Once the attributes are set properly, TAB to the Learn box and hit

ENTER. Th e CX9200 will respond with a window that says Learn Mode is Active.

4-10 Infinity Smoke Control Guide

Configuring the System

When the CX9200 has completed polling the Infinet Network, it will display the Infinet Summary window. This window shows the name, port, model, serial number and status of all of the Infinet devices.

Figure 4-7 shows an example of the Infinet Summary window.

Figure 4-7. The Infinet Summary window

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Infinet Summary - INFINITY1

Name Model Serial Number ID StatusPort

920 80858 1 OnlineCOMM2lc_0080858 920 80857 2 OnlineCOMM2lc_0080857 853 63078 3 OnlineCOMM2lc_0063078

TOC

The F4 key will bring you back to the Commport window. Use the UP ARROW key to go to the SAVE box and hit the ENTER key. The CX9200 will display the Command window. COMM2 has now been configured for Infinet.

If this is the first Learn you have performed on this Infinet Network, the CX9200 will assign a name to each controller that is based on it’s serial number and port. You can change these names to something more meaningful, such as AHU1 or FLOOR2_TCX, by going to the Edit pulldown menu, selecting Infinet Controllers, pressing the F2 key to list the available choices, and selecting the Infinet controller name that you would like to change.

The CX9200 will display the Infinet Controller window. You can now change the name of the Infinet controller. You can also add a Description for this Infinet controller, such as Floor 1 Air Handling

Andover Controls Corporation 4-11

Configuring the Sys te m

Unit. When you have done this, TAB to the Save box and hit the ENTER key. The CX9200 will return to the Command window.

Figure 4-8 shows the Infinet Controller window.

Figure 4-8. The Infinet Controller Window

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Command Window - INFINITY1

Infinet Controller - INFINITY1 AHU1

TOC

Name

Model

Description

Infinet ID

Serial Number

Error Time

Error Count

AHU1 920 Floor 1 Air Handling Unit COMM2

Port

1 80858

Error

Version

Status

Reconfigs

SAVE

1.5

SAVE AS

CANCEL

OnLine

DELETE

RESET

From the Ma in Me n u Ba r , you can select View, then Infinet Controllers to verify your name changes and to view the status of all of

the Infinet cont rollers.

Configuring COMM3 for the Users Terminal

The default settings are as follows:

• DefaultMode = Autoset

• Baud rate = Baud9600

• TerminalType = VT100

If you need to change any of these settings, or you want to enter a description, you select Edit Commports and use COMM3 as the name.

4-12 Infinity Smoke Control Guide

Configuring the System

Configuring COMM4 for the Fire Panel

This section describes how to configure COMM4 to communicate with the Fire Panel. The CX9200 communicates with the Fire Panel using a piece of software called an Xdriver, which is available from Andover Controls. Instead of selecting Edit Commports from the Main Menu

Bar to configure COMM4, you load an Xdriver “.dmp” file into the CX9200 using a computer that is running a communications program.

Each Fire Panel will have it’s own unique Xdriver. If you are using a Simplex Fire Panel, you will need the SPX Xdriver. If you are using an Edwards Systems Technology Fire Panel, you will need the EST Xdriver.

Loading an Xdriver

You should receive four files in your Xdriver package, one for each commport. Since COMM4 is being used for the Fire Panel, you will either use the spxcom4.dmp Xdriver for a Simplex panel, or the estcom4.dmp Xdriver for an Edwards Systems Technology panel. The Xdriver loading procedure is as follows:

TOC

• If your CX9200 controller name is not “INFINITY1”, then you must edit the Xdriver file and change all occurrences of “INFINITY1’’ to your controller name.

• If your CX9200 Energynet ID is not “1”, then you must change the number at the end of the line “Dictionary : CONTROLLER NAME : 1” to your controller’s Energynet ID.

• Go to the Command window on the CX9200 and type load -o-m at the R> prompt and hit the ENTER key.

• From your computer, send the appropriate Xdriver “.dmp” file.

• When the reload is done, the CX9200 will return to the Command window. Type print COMM4 xdriverstatus at the R> prompt and the CX9200 should respond with “Installed”.

See the section titled Creating and Editing Points for instructions on how to create variables that use the Xdriver port.

Andover Controls Corporation 4-13

Configuring the Sys te m

Creating and Editing Points

This section explains how to create and edit a Point. A point refers to a variable that is us ed by the Infinity system. For example, a Point can be an input on a controller, an output on a controller, a numeric variable, a character string, or an Xdriver variable.

Creating an Input/Output Point

Select Edit Points from the Main Menu Bar. Enter the name of the Infinet controller at the InfinetCtlr prompt. Enter the name of the Point

at the Name prompt. If it is a new Point, you will have to type in the name that you wish to give the Point, such as:

OADmp for the Outside Air Damper output Sfan for the Supply Fan output

TOC

If you are editing an existing Point, you can hit the F2 key at the Name prompt and get a list of the available choices.

After entering the Point Name , the Point window will appear. The Point window allows you to define the attributes of this Point. You must set the Type of Point, such as Input or Output. You must set the Electrical Type for an Input/Output Point, such as Voltage, Digital, Current, or TriState. You must set the Channel Number for each Input/Output Point. The Ch annel Number refers to the physical Input or Output number on the Infinet controller. Each Infinet controller will have different Input/Output capabilitie s. Refe r to Chapte r 2 for an explanation of each controller.

If you select the DETAILS box, you can enter a Description of the Point, enter the Display Format f or a Point, or define other attributes of the Point.

When you are done entering the attributes, TAB to the SAVE box in the Point window and hit the ENTER key. The CX9200 will return you to the Command window.

Figure 4-9 shows an example of a Point window.

4-14 Infinity Smoke Control Guide

Configuring the System

Figure 4-9. Example Point Window

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Command Window - INFINITY1

Point - INFINITY1 AHU1 Sfan

TOC

Name

Type

( ) Input (X) Output

( ) Numeric ( ) Dat eTim e

State

( ) Disabled (X) Enabled

Sfan

Channel Number

Electric al Type

( ) Voltage (X) Digital

( ) Current ( ) TriState ( ) Pneumatic

( ) ReaderDoor ( ) HiResVoltage ( ) HiResCurrent

SAVE AS

Creating a Numeric Point

A Numeric Point is a variable that can be used by the Infinity system . A Numeric Point is created the same way as an Input or Output point. When you call up the Point window, set the Type to Numeric. A Numeric Point does not have selections for Channel Number or Electrical Type because they do not apply. You can select the DETAILS box in order to enter a description for the point.

SAVE

CANCEL

DETAILS

Creating an Xdriver Point

An Xdriver Point is a variable that will be used by the CX9200 to get alarm and status information from the Fire Panel. In order to create an Xdriver Point, create a Numeric Point and select the DETAILS1 box.

A window will appear on the screen prompting you to enter a Port. Enter COMM4 for the Port because that is the Port that the Fire Panel is connected to. Press the TAB key (not ENTER) after typing in COMM4 and some additional fields will appear on the screen. The number of fields and the name of the fields will be different for different Xdrivers. These fields correspond to the physical Fire Panel sensor numbers that

Andover Controls Corporation 4-15

Configuring the Sys te m

this Xdriver Point is to represent. Refer to your Fire Panel manufacturer’s documentation for a description of these fields.

Figure 4-10 shows the Simplex Xdriver fields.

Figure 4-10. Simplex Xdriver Fields

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Point - INFINITY1 Smoke.SPX

COMM4

Port

SAVE

TOC

Card Point

Sub-Point

Status/Time

CANCEL

Figure 4-11 shows the Edwards Systems Technology fields.

4-16 Infinity Smoke Control Guide

Configuring the System

Figure 4-11. EST Xdriver Fields

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Point - INFINITY1 Smoke.EST

COMM4

Port

Loop

Address

TOC

SAVE

CANCEL

Refer to Appendix A for a list of the possible Xdriver values that can be received from the Fire Panel, and what Events they correspond to.

Andover Controls Corporation 4-17

Configuring the Sys te m

Creating and Editing Files

This section briefly explains how to create and edit a File. A File can be a Program, a Function, a Data file or a Report. These Programs, which run in the CX9200 and in the Infinet controllers, determine how the Infinity smoke control system operates.

The Programs are written in Andover Controls’ Plain-English language. It is beyond the scope of this manual to explain the Plain-English language or how to write Programs. Refer to the following Andover Controls documentation for Plain-English programming instructions:

TOC

Plain English Language Reference Infinity CX Programmer’s Guide (P/N 30-3001-166)

(P/N 30-3001-165)

Creating a Program

Select Edit Files from the Main Menu Bar. If the Program will be running in an Infinet controller, enter the name of the Infinet controller at the InfinetCtlr prompt. If the Program will be running in the CX9200, leave the InfinetCtlr prompt blank. Enter the name of the Program at the Name prompt. If it is a new Program, you will have to type in the name that you wish to give the Program, such as:

SmokeSelfTest FSCS_Interface

If you are editing an existing Program, you can hit the F2 key at the Name prompt and get a list of the available choices.

After entering the Program Name, the File window will appear. The File window allows you to enter a Description for the Program or define the attributes of the Program, such as State, Flowtype or whether or not the Program should start automatically.

Figure 4-12 shows the File window.

4-18 Infinity Smoke Control Guide

Configuring the System

Figure 4-12. The File Window

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Command Window - INFINITY1

File - INFINITY1 SmokeSelfTest

TOC

Filename

Type

(X) Program ( ) Function

( ) Data ( ) Report

SmokeSelfTest

Description

State

FlowTyp e

( ) AutoStart (X) Command Line

Weekly Dedicated System Tests

( ) Disable d (X) Enabled

CANCEL

( ) Looping (X) FallThru

After entering the information into the File window, TAB to the SAVE box and hit the ENTER key. The CX9200 will now bring up the Editor window. The Editor window allows you to create a new Program or edit an existing Program.

SAVE

DELETE

DETAILS

When you are editing a File, the File Menu Bar is at the top of the screen. The File Menu Bar has pulldown menus that allow you to use the Editor. Hit the F4 key to toggle between the Editor window and the File Menu Bar.

When you are finished editing your program, select the File pulldown menu from the File Menu Bar, then select the Save option. The CX9200 will now compile and save your program. The compiler will alert you i f there are any errors in the program.

If you configured the Program for AutoStart, it will begin to run after it is compiled and saved. If not, you can Start or Stop the Program from the Command window, or from another Program.

To exit the Editor and r etu rn to the Command window, select File Quit from the File Menu Bar.

Andover Controls Corporation 4-19

Configuring the Sys te m

Figure 4-13 shows the Editor window, the File Menu Bar, and part of a sample program.

Figure 4-13. The Editor

TOC

File

Begin_prog:

‘Clear Self - Tes t Fa ults

AH3Sfan.ST.Fail = Off FL2SADmp.ST.Fail = Off

FL2RADmp.ST.Fail = Off FL3SADmp.ST.Fail = Off FL3RADmp.ST.Fail = Off

FL4SADmp.ST.Fail = Off FL4RADmp.ST.Fail = Off

RunTests:

Print “ RUNNING DEDICATED SELF-TEST “ to COMM3 StatusBar

CloseDampers:

SMKDMPRS DefaultDmprPosn = On

WaitForDampers:

If TS < (MaxDamperTime + 5) then Goto WaitForDampers

ditE

INFINITY1 - SmokeSelfTest

earchS heckC

oolsT

Functions, Data files and Reports are created the same way as a Program.

The File Menu Bar

• The File pulldown menu allows you to Open a File, Save a File, modify the Configuration of a File, set the Firing Order of a File, or Quit the Editor and return to the Command window.

•The Edit pulldown menu allows you to Cut, Copy, Paste, Clear, and Select text within the Editor.

• The Search pulldown menu allows you to Find text, find and Replace text, or search for the Next Error or the Previous Error.

•The Check selection will check for errors in your File.

• The Tools pulldown menu will allow you to view a Point Summary, a File Summary, a Program Summary, a System Variable

Summary, or the Message window. It will also allow you to Edit a Point, Edit a System Variable, or create a split screen that contains

the Com mand Windo w on the top of the screen and the Editor on the bottom half.

4-20 Infinity Smoke Control Guide

Smoke Control Programs

Chapter 5

Smoke Control Programs

This chapter describes some example Infinity smoke control programs. These example programs are for illustrative purposes only. Since each system is unique, your programs will not be identical to these examples, but the same principles will apply.

The HVAC example programs were included to show how the smoke control mode must have priority over the HVAC modes. The HVAC programs do not perform any HVAC functions.

These programs are written in Andover Controls’ Plain-English language. It is beyond the scope of this manual to explain the Plain- English language or how to write applications programs. Refer to the following Andover Controls documentation for Plain-English programming instructions:

TOC

Plain English Language Reference Infinity CX Programmer’s Guide (P/N 30-3001-166)

Topics covered in this chapter are:

• Example Smoke Control System

• CX9200 Programs — Programs for Communicating with the FSCS — Programs for Verifying Equipment Operation — Programs for Smoke Control — Programs for Controlling the System

• Controlling the Smoke Dampers

• Controlling the Air Handling Units

• Controlling the Stairwell Fan

• Controlling the VAV Terminals

(P/N 30-3001-165)

5-1 Infinity Smoke Control Guide

Smoke Control Programs

Example Smoke Control System

Figure 5-1 shows a block diagram of the smoke control components that could be used to create a smoke control system for a small, four story building. This example system will be used as the basis for the programs in this chapter.

Figure 5-1. Example Smoke Control System

TCX853

AHU-3

Stairwell

TOC

SCX920S

AHU-2

Floors 2-4

SCX920S

Smoke Dampers Floors 2-4

SCX920S

AHU-1 Floor 1

TCX861

VAV Terminal

Floor 4

TCX851

VAV Terminal

Floor 3

TCX840

VAV Terminal

Floor 2

INFINET

RS-485

Firefighter’s Smoke

Control Station

5-2 Infinity Smoke Control Guide

CX9200

Main Controller

RS-232RS-232

Fire Panel

Simplex or EST

Figure 5-2 shows the FSCS graphic for the example system.

Figure 5-2. Example FSCS

TOC

Smoke Control Programs

Firefighter’s Smoke Control Station

AHU-2 SUPPLY FAN STAT US FAIL

AUTO

AHU-2

AHU-2 OA DAMPER

FAIL

OPEN OPEN

AHU-2 EX DAMPER

OPEN OPEN

AHU-2 CONTROLLER

FLOORS 2 - 4

FAULT OVERRIDE AHU-1 CONTROLLER

FAULT OVERRIDE FAULT OVERRIDE

SMOKE DAMPER

CONTROLLER

FAULT OVERRIDE FAULT OVERRIDE

AHU-3 STAIRWELL

CONTROLLER

FAULT OVERRIDE

CLEAR FAULTS

AUTO

FAIL

AUTO

FLOOR 1

CLOSED CLOSED

LAMP TEST

FAULT OVERRIDE

AHU-2 RA DAMPER

FAIL

OPEN

AUTO

OPEN

AHU-2 RETURN FAN STATUS FAIL

FLOOR 4

VAV CONTROLLERS

FLOOR 3

VAV CONTROLLERS

FLOOR 2

VAV CONTROLLERS

MASTER KEY

SONALERT

AUTO

OFF

CLOSED CLOSED

OFF

SA SMOKE DAMPER

FAIL

OPEN OPEN

RA SMOKE DAMPER

OPEN OPEN

SA SMOKE DAMPER

OPEN OPEN

RA SMOKE DAMPER

OPEN OPEN

SA SMOKE DAMPER

OPEN OPEN

RA SMOKE DAMPER

OPEN OPEN

AUTO

FAIL

AUTO

FAIL

AUTO

FAIL

AUTO

FAIL

AUTO

FAIL

AUTO

CLOSED CLOSED

AHU-3

4TH FLOOR - ZONE 4

ZONE 4 VAV DAMPER

FAIL

OPEN OPEN

SMOKE ALARM

PRESS

3RD FLOOR - ZONE 3

ZONE 3 VAV DAMPER

OPEN OPEN

SMOKE ALARM

PRESS

2ND FLOOR - ZONE 2

ZONE 2 VAV DAMPER

OPEN OPEN

SMOKE ALARM

PRESS

AUTO

ZONE 4

AUTO

FAIL

AUTO

ZONE 3

AUTO

FAIL

AUTO

ZONE 2

AUTO

CLOSED CLOSED

EXHAUST

CLOSED CLOSED

EXHAUST

CLOSED CLOSED

EXHAUST

AHU-3 SUPPLY FAN STAT US FAIL

AUTO

STAIRWELL

SMOKE ALARM

PRESS

OFF

AUTO

AHU-1 OA DAMPER

FAIL

OPEN

AUTO

OPEN

AHU-1 EX DAMPER

FAIL

OPEN

AUTO

OPEN

1ST FLOOR - ZONE 1

ZONE 1

SMOKE ALARM

AUTO

PRESS

EXHAUST

CLOSED CLOSED

AHU-1

OPEN OPEN

AHU-1 RA DAMPER

FAIL

CLOSED

AUTO

CLOSED

AHU-1 SUPPLY FAN STATUS FAIL

AUTO

OFF

AHU-1 RETURN FAN STATUS FAIL

AUTO

OFF

ANDOVER CONTROLS

5-3 Infinity Smoke Control Guide

Smoke Control Programs

CX9200 Programs

The CX9200 is the central controller in the smoke control system. It controls the communications with the Infinet controllers, the FSCS, and the Fire Panel. The CX9200 is also responsible for initiating a smoke control strategy, verifying that the system components are functioning properly, and performing a weekly self-test on the dedicated smoke control equipment.

Table 5-1 lists the programs, functions, and data files that the CX9200 uses to control the example system. :

Table 5-1. CX9200 Files

NAME TYPE DE SCRIPTION

PilotLights Function Updates the FSCS LED and Override

numerics in the controller point values.

LampPointMap Data Maps the

numbers on the FSCS.

OutputLampString Function Formats the string that is sent to the

FSCS in order to update the LEDs.

DecodeSwitches Function Uses the string that was read from the

FSCS for the override switches and sets the corresponding

FSCS_Interface P rogram Controls the RS-232 interface between

CX9200

the

CX9200

and the FSCS.

with the

numerics to the LED

CX9200

Infinet

numeri cs.

TOC

NetStatus Function Checks the Comm status of the

controllers.

PlantFaultCheck Function Determines whether or not the fans and

dampers have reached their desired state within the time allowed by NFPA 92A.

HornControl Program Controls the state of the FSCS audible

annunciator.

ClearFaults Program Clears all faults when the FSCS

“MASTER KEY” is ON and the “CLEAR FAULTS” pushbutton is pressed.

FireAlarmCheck Function Determines whether or not, and in which

zones, to perform smoke control. Sets the FSCS Alarm LEDs based on the inputs from the Fire Panel.

SmokeSelfTest Program Runs a weekly self-test on the dedicated

controllers.

5-4 Infinity Smoke Control Guide

Infinet

Smoke Control Programs

Table 5-1. CX9200 Files

NAME TYPE DE SCRIPTION

Main Program The main sequen cing program. This

program determines what the entire system is doing by calling the other programs and functions.

FirstAid Program Initializes the system when a System

Error occurs, or when the System Time is changed.

These files are explained in detail in this section. As stated previously, this is not the only way to program your system to perform smoke control, it represents one example.

Refer to Appendix B for an explanation of the Points used in the example programs.

TOC

5-5 Infinity Smoke Control Guide

Smoke Control Programs

Programs for Communicating with the FSCS

PilotLights

TOC

Type: Description:

the CX9200 with the Infinet controller point values.

Code:

‘ Update LED Numerics AH1Sfan.On = AHU1 SfanSt AH1Rfan.On = AHU1 RfanSt AH2Sfan.On = AHU2 SfanSt AH2Rfan.On = AHU2 RfanSt AH3Sfan.On = AHU3 SfanSt

AH1OADmp.Opn = AHU1 OADmp.Opn AH1OADmp.Cls = AHU1 OADmp.Cls AH1EADmp.Opn = AHU1 EADmp.Opn AH1EADmp.Cls = AHU1 EADmp.Cls AH1RADmp.Opn = AHU1 RADmp.Opn AH1RADmp.Cls = AHU1 RADmp.Cls

AH2OADmp.Opn = AHU2 OADmp.Opn AH2OADmp.Cls = AHU2 OADmp.Cls AH2EADmp.Opn = AHU2 EADmp.Opn AH2EADmp.Cls = AHU2 EADmp.Cls AH2RADmp.Opn = AHU2 RADmp.Opn AH2RADmp.Cls = AHU2 RADmp.Cls

FL2VAV.Opn = Flr2TCX VAVDmp.Opn FL2VAV.Cls = Flr2TCX VAVDmp.Cls FL3VAV.Opn = Flr3TCX VAVDmp.Opn FL3VAV.Cls = Flr3TCX VAVDmp.Cls FL4VAV.Opn = Flr4TCX Damper.Opn FL4VAV.Cls = Flr4TCX Damper.Cls

FL2SADmp.Opn = SMKDMPRS Fl2.SASDmp.Opn FL2SADmp.Cls = SMKDMPRS Fl2.SASDmp.Cls FL2RADmp.Opn = SMKDMPRS Fl2 .RASDmp.Opn FL2RADmp.Cls = SMKDMPRS Fl2.RASDmp.Cls FL3SADmp.Opn = SMKDMPRS Fl3.SASDmp.Opn FL3SADmp.Cls = SMKDMPRS Fl3.SASDmp.Cls FL3RADmp.Opn = SMKDMPRS Fl3 .RASDmp.Opn FL3RADmp.Cls = SMKDMPRS Fl3.RASDmp.Cls FL4SADmp.Opn = SMKDMPRS Fl4.SASDmp.Opn

Function

Updates the FSCS LED and Override numerics in

5-6 Infinity Smoke Control Guide

Smoke Control Programs

FL4SADmp.Cls = SMKDMPRS Fl4.SASDmp.Cls FL4RADmp.Opn = SMKDMPRS Fl4 .RASDmp.Opn FL4RADmp.Cls = SMKDMPRS Fl4.RASDmp.Cls

‘ Update Override Numerics AHU1.OVRR = AHU1 OverrideOn AHU2.OVRR = AHU2 OverrideOn SMKDMPRS.OVRR = SMKDMPRS OverrideOn Return

File Explanation:

This function sets the CX9200 numerics in the left column equal to the Infinet controller points in the right column. The CX9200 numerics are

used to control their corresponding LED on the FSCS and to set the “.OVRR” override fault numerics.

TOC

5-7 Infinity Smoke Control Guide

LampPointMap

TOC

Smoke Control Programs

Type: Description:

on the FSCS.

Code:

Record 80 String 16

“SpareLamp “ “AH3Sfan .On “ “AH3Sfan.Fail “ “AH2Sfan .On “ “AH2Sfan.Fail “ “AH2OADmp.Op n “ “AH2OADmp.Fail “ “AH2OADmp.Cls “ “AH2RADmp.Opn “ “AH2RADmp.F a il “ “AH2RADmp.Cls “ “FL4SADmp.Opn “ “FL4SADmp.Fail “ “FL4SADmp.Cls “ “FL4VAV.Opn “ “FL4VAV.Fail “ “FL4VAV.Cls “ “AH2EADmp.Opn “ “AH2EADmp.F ail “ “AH2EADmp.Cls “ “AH2Rfan.On “ “AH2Rfan.F ail “ “FL4RADmp.Opn “ “FL4RADmp.F a il “ “FL4RADmp.Cls “ “Zone4.ALM “ “STR WL.A LM “ “AHU2.Fail “ “AHU2.OVRR “ “FLR4TCX.Fail “ “FLR4TCX.OVRR “ “AHU1.Fail “ “AHU1.OVRR “ “FLR3TCX.Fail “ “FLR3TCX.OVRR “ “SMKDMPRS.Fail “

Data

Maps the

CX9200

numerics to the LED numbers

5-8 Infinity Smoke Control Guide

“SMKDMPRS.OVRR “ “FLR2TCX.Fail “ “FLR2TCX.OVRR “ “AHU3.Fail “ “AHU3.OVRR “ “FL3SADmp.Opn “ “FL3SADmp.Fail “ “FL3SADmp.Cls “ “FL3RADmp.Opn “ “FL3RADmp.F a il “ “FL3RADmp.Cls “ “FL3VAV.Opn “ “FL3VAV.Fail “ “FL3VAV.Cls “ “Zone3.ALM “ “FL2SADmp.Opn “ “FL2SADmp.Fail “ “FL2SADmp.Cls “ “FL2RADmp.Opn “ “FL2RADmp.F a il “ “FL2RADmp.Cls “ “FL2VAV.Opn “ “FL2VAV.Fail “ “FL2VAV.Cls “ “Zone2.ALM “ “AH1Sfan .On “ “AH1Sfan.Fail “ “AH1OADmp.Op n “ “AH1OADmp.Fail “ “AH1OADmp.Cls “ “AH1RADmp.Opn “ “AH1RADmp.F a il “ “AH1RADmp.Cls “ “AH1EADmp.Opn “ “AH1EADmp.F ail “ “AH1EADmp.Cls “ “AH1Rfan.On “ “AH1Rfan.F ail “ “Zone1.ALM “ “SpareLamp “ “SpareLamp “ “SpareLamp “ “SpareLamp “ “Horn “

TOC

Smoke Control Programs

5-9 Infinity Smoke Control Guide

Smoke Control Programs

File Explanation:

This data file contains the CX9200 numerics that are used to set the state of all of the LEDs on the FSCS. If the numeric is turned ON, the corresponding LED on the FSCS will turn ON.

The position of the numeric in the file must correspond to the LED Addresses for that LED. The LED Adrress is determined by the internal FSCS wiring from the LED to the I/O card. The FSCS manufacturer will supply you with the LED Addresses. Since the I/O cards have 80 points each, there should be 80 entries in LampPointMap for each I/O card.

For example, the LED Addresses for this example are as follows:

LED 0 --> SpareLamp (not used) LED 1 --> AH3Sfan.ON (AHU3 Supply Fan STATUS LED) LED 2 --> AH3Sfan.Fail (AHU3 Supply Fan FAIL LED) LED 3 --> AH2Sfan.ON (AHU2 Supply Fan STATUS LED) . . LED 80 --> Horn (Audible Annun ciator)

TOC

The last output, called “Horn”, controls the state of the audible annunciator on the FSCS.

5-10 Infinity Smoke Control Guide

OutputLampString

TOC

Smoke Control Programs

Type: Description:

Function

Formats the str ing tha t is sent to t he FS CS i n ord er

to update the LEDs.

Code:

Numeric Loop String 1 LampState

‘ Insert start parenthesis LampWriteString = “(”

‘ Fill in lamps 0 to 79 For Loop = 1 to 80 If getname(LampPointMap[Loop][1] ; “ Value”) = On then ~ LampState = “X” Else LampState = “Z” LampWriteString = left(LampWriteString, Loop) ; LampState Next Loop

‘ Insert end parenthesis LampWriteString = left(LampWriteString, 81) ; “)” Return (LampWriteString)

File Explanation:

This function generates the string (LampWriteString) that must be sent to the FSCS in order to set all of the LEDs and the Horn. It does this by reading the “value” of all 80 numerics that are in the data file named OutputLampString.

If the CX9200 numeric is ON, an “X” is placed in it’s position. If the numeric is OFF, a “Z” is placed in it’s position. The 1st character controls LED 0, the 2nd character controls LED 1, and so on. The string must begin with a parenthesis and end with a parenthesis. A typical string would have 80 characters and look like the following:

LampWriteString = “(ZZZXXZXZZZZZZZXXZXZ...XZXZZZ)”

Wherever there is an “X” in the string the LED will be ON, and wherever there is a “Z” the LED will be OFF.

Refer to Appendix C for a complete discussion of the FSCS communications protocol.

5-11 Infinity Smoke Control Guide

DecodeSwitches

TOC

Smoke Control Programs

Type: Description:

the override switches and sets the corresponding numerics.

Code:

Numeric SwitchState, SWS SWS = search(InBuffer, “(000”)

If SWS <> 0 then ‘ Input string found, offset past 4 intro characters. SWS = SWS + 4

If mid(InBuffer, SWS + 0, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off SpareSwitch = SwitchState

If mid(InBuffer, SWS + 1, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH3Sfan.OVR.On = SwitchState

If mid(InBuffer, SWS + 2, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH3Sfan.OVR.Off = SwitchState

If mid(InBuffer, SWS + 3, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2Sfan.OVR.On = SwitchState

Function

Uses the string that was read from the FSCS for

CX9200

If mid(InBuffer, SWS + 4, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2Sfan.OVR.Off = SwitchState

If mid(InBuffer, SWS + 5, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2OADmp.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 6, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2OADmp. OVR.Cls = Sw i tc h S t at e

If mid(InBuffer, SWS + 7, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2RADmp.OVR.Opn = SwitchState

5-12 Infinity Smoke Control Guide

Smoke Control Programs

If mid(InBuffer, SWS + 8, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2RADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 9, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL4SADmp.OVR.Opn = SwitchSt ate

If mid(InBuffer, SWS + 10, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL4SADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 11, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL4VAV.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 12, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL4VAV.OVR.Cls = SwitchState

TOC

If mid(InBuffer, SWS + 13, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2EADmp.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 14, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2EADmp.OVR.Cls = SwitchS tate If mid(InBuffer, SWS + 15, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2Rfan.OVR.On = SwitchState

If mid(InBuffer, SWS + 16, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH2Rfan.OVR.Off = SwitchState

If mid(InBuffer, SWS + 17, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL4RADmp.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 18, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL4RADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 19, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off

5-13 Infinity Smoke Control Guide

Smoke Control Programs

Zone4.PRS = SwitchState If mid(InBuffer, SWS + 20, 1) = “A” and Main.Key then ~

SwitchState = On Else SwitchState = Off Zone4.EXH = SwitchState

If mid(InBuffer, SWS + 21, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off STR W L.PRS = SwitchState

If mid(InBuffer, SWS + 22, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Fault.Clear = SwitchState

If mid(InBuffer, SWS + 23, 1) = “A” then SwitchState = On Else ~ SwitchState = Off LampTest = SwitchState

TOC

If mid(InBuffer, SWS + 24, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL3SADmp.OVR.Opn = SwitchSt ate

If mid(InBuffer, SWS + 25, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL3SADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 26, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL3RADmp.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 27, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL3RADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 28, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL3VAV.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 29, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL3VAV.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 30, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Zone3.PRS = SwitchState

5-14 Infinity Smoke Control Guide

Smoke Control Programs

If mid(InBuffer, SWS + 31, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Zone3.EXH = SwitchState

If mid(InBuffer, SWS + 32, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL2SADmp.OVR.Opn = SwitchSt ate

If mid(InBuffer, SWS + 33, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL2SADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 34, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL2RADmp.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 35, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL2RADmp.OVR.Cls = SwitchState

TOC

If mid(InBuffer, SWS + 36, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL2VAV.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 37, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off FL2VAV.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 38, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Zone2.PRS = SwitchState

If mid(InBuffer, SWS + 39, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Zone2.EXH = SwitchState

If mid(InBuffer, SWS + 40, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1Sfan.OVR.On = SwitchState

If mid(InBuffer, SWS + 41, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1Sfan.OVR.Off = SwitchState

If mid(InBuffer, SWS + 42, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off

5-15 Infinity Smoke Control Guide

Smoke Control Programs

AH1OADmp.OVR.Opn = SwitchState If mid(InBuffer, SWS + 43, 1) = “A” and Main.Key then ~

SwitchState = On Else SwitchState = Off AH1OADmp. OVR.Cls = Sw i tc h S t at e

If mid(InBuffer, SWS + 44, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1RADmp.OVR.Opn = SwitchState

If mid(InBuffer, SWS + 45, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1RADmp.OVR.Cls = SwitchState

If mid(InBuffer, SWS + 46, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1EADmp.OVR.Opn = SwitchState

TOC

If mid(InBuffer, SWS + 47, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1EADmp.OVR.Cls = SwitchS tate

If mid(InBuffer, SWS + 48, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1Rfan.OVR.On = SwitchState

If mid(InBuffer, SWS + 49, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off AH1Rfan.OVR.Off = SwitchState

If mid(InBuffer, SWS + 50, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Zone1.PRS = SwitchState

If mid(InBuffer, SWS + 51, 1) = “A” and Main.Key then ~ SwitchState = On Else SwitchState = Off Zone1.EXH = SwitchState

If mid(InBuffer, SWS + 52, 1) = “A” then SwitchState = On Else ~ SwitchState = Off Zone1.CON = SwitchState

If mid(InBuffer, SWS + 53, 1) = “A” then SwitchState = On Else ~ SwitchState = Off Zone2.CON = SwitchState

5-16 Infinity Smoke Control Guide

Smoke Control Programs

If mid(InBuffer, SWS + 54, 1) = “A” then SwitchState = On Else ~ SwitchState = Off Zone3.CON = SwitchState

If mid(InBuffer, SWS + 55, 1) = “A” then SwitchState = On Else ~ SwitchState = Off Zone4.CON = SwitchState

If mid(InBuffer, SWS + 56, 1) = “A” then SwitchState = On Else ~ SwitchState = Off STRWL.CON = SwitchState

If mid(InBuffer, SWS + 59, 1) = “A” then SwitchState = On Else ~ SwitchState = Off Main.Key = SwitchState

Endif Return

TOC

File Explanation:

This function sets the CX9200 numerics that represent the FSCS switches. It does this by searching through the InBuffer string that was received from the FSCS and turning the numeric ON if an “A” is found at the corresponding location. Otherwise the numeric is set to OFF.

The position of the character in the string corresponds to the Switch Addresses for that Switch. The Switch Adrress is determined by the internal FSCS wiring from the Switch to the I/O card. The FSCS manufacturer will supply you with the Switch Addresses.

A 2 position switch requires 1 input. The input is ON when the swit ch is in one position, the input is OFF when the switch is in the other position.

A 3-position switch requires 2 inputs. One input is ON when the switch is in the left position, the other input is ON when the s witch is in the right position, and both inputs are OFF when the switch is in the center position.

For example, the Switch Addresses for this example are as follows:

Switch 0 --> SpareLamp (not used) Switch 1 --> AH3Sfan.OVR.On (AHU3 Sfan Overridden ON) Switch 2 --> AH3Sfan.OVR.Off (AHU3 Sfan Overridden OFF) Switch 3 --> AH2Sfan.OVR.On (AHU2 Sfan Overridden On)

5-17 Infinity Smoke Control Guide

Smoke Control Programs

. . Switch 59 --> Main.Key (MASTER KEY keyswitch)

The first three digits in the InBuffer string represent the address of the first switch. In this case, we are only using one input card, therefore this will always be “000” for Switch 0. If we had two input cards, the string from the second card would begin with “080” for Switch 80. A typical string would have 83 characters and look like the following:

InBuffe r = “(000AARARRRRARARRARAAA...RAARRRR)”

Wherever there is an “A” in the string the Switch has been activated, and wherever there is an “R” the Switch is released.

Also notice that some of the variables will not be turned on if MAIN.KEY is not ON. This prevents the FSCS overrides from being used unless the Master Key is turned ON. The Zoned Wiring inputs from the Fire Panel (if used), and the MAIN.KEY input MUST be updated even if the Master Key is turned OFF.

TOC

Refer to Appendix C for a complete discussion of the FSCS communications protocol.

5-18 Infinity Smoke Control Guide

FSCS_Interface

TOC

Smoke Control Programs

Type: FlowType: Description:

and the FSCS.

Code:

Numeric Result, Timeout Begin_Prog:

Timeout = 4 If COMM1 Mode = Raw then Goto Send_Request Else Goto ~ Open_Comm1

Open_Comm1: Result = Open(COMM1) Test_Open: If Result = Success then Goto Send_Request Else Goto ~ Found_Problem

Send_Request: Print “(SPR)(?SBK1)”; to COMM1 Goto Wait_For_Print Wait _F or_Print: If COMM1 PrintDone then Goto Read_Comm1 If TS > Timeout then Goto Found_Problem

Read_Comm1: Result = read(COMM1, 100, InBuffer, 500, “)”) Test_Read: If COMM1 TimedOut then Goto Found_Problem If Result = Success then Goto Decode_Data Else Goto Found_Problem

Decode_Data: DecodeSwitches() Goto Output_Lamp

Output_Lamp: Print OutputLampString(); to COMM1 Goto Wait_For_Output

Wait_For_Output: If COMM1 PrintDone then Status2 = Off

Program

Looping

Controls the RS-232 interface between the

CX9200

5-19 Infinity Smoke Control Guide

Goto Done Endif If TS > Timeout then Goto Found_Problem

Found_P rob l e m: Status2 = On Goto Close_Comm1

Close_Comm1: Result = Close(COMM1) Test_Close: If Result = Success then Goto Done If TS > Timeout then Goto Done

Done: FSCS LinkActi ve = False

TOC

Smoke Control Programs

File Explanation:

This program communicates with the ADI FSCS panel using the Andover Data Interface protocol. Refer to Appendix C for a complete discussion of the FSCS communications protocol.

The sequence of operations are as follows:

• Open the Comm port to the FSCS (COMM1)

• Send the command for the FSCS to print out the Switch status data

• Read the switch data into the InBuffer string

• Call the DecodeSwitches function

• Print the string OutputLampStr ing to COMM1 in order to set the

LEDs on the FSCS

• Set the numeric FSCSLinkActive to FALSE

If any of the Comm port statements, such as Open or Read, are not successful, then the program will turn ON the Status2 indicator on the CX9200 and Close the Comm port. If any of the Print statements are not completed within 5 seconds (Timeout+1), then the program will turn ON the Status2 indicator on the CX9200 and Close the Comm port. The Status2 indicator signals an FSCS communications fault.

5-20 Infinity Smoke Control Guide

Smoke Control Programs

This program will not be Run again until the FS CS Lin k Ac tiv e numeric is set to FALSE.

The command for the FSCS to print out the status of the switches is:

Print “(SPR)(?SBK1)”; to COMM1

The “(SPR)” part tells the FSCS to suppress all switch activation messages until it is polled. The “(?SBK 1)” part tells the FSCS to perform a Switch Status Block Transfer on I/O card 1. If you had a second switch I/O card, you would request it’s switch data by sending “(?SBK2)” to the FSCS.

The Read statement for reading the FSCS switch data from COMM1 into the string InBuffer is:

Result = read(COMM1, 100, InBuffer, 500, “)”)

TOC

This command tells the CX9200 to wait for 100 characters, OR 5 seconds, OR until it receives the right parenthesis. Under normal circumstances, it will receive the parenthesis first.

5-21 Infinity Smoke Control Guide

Smoke Control Programs

Programs for Verifying Equipment Operation

NetStatus

TOC

Type: Description:

Code:

If AHU1 CommStatus is OnLine then CtlrTimer[1] = Time AHU1.Fail = ((Time - CtlrTimer[1]) > MaxCtlrTime)

If AHU2 CommStatus is OnLine then CtlrTimer[2] = Time AHU2.Fail = ((Time - CtlrTimer[2]) > MaxCtlrTime)

If AHU3 CommStatus is OnLine then CtlrTimer[3] = Time AHU3.Fail = ((Time - CtlrTimer[3]) > MaxCtlrTime)

If SMKDMPRS CommStatus is OnLine then CtlrTime r[4] = Time SMKDMPRS.Fail = ((Time - CtlrTimer[4]) > MaxCtlrTime)

If Flr2TCX CommStatus is OnLine then CtlrTimer[5] = Time FLR2TCX.Fail = ((Time - CtlrTimer[5]) > Ma xCtlrTime)

If Flr3TCX CommStatus is OnLine then CtlrTimer[6] = Time FLR3TCX.Fail = ((Time - CtlrTimer[6]) > Ma xCtlrTime)

If Flr4TCX CommStatus is OnLine then CtlrTimer[7] = Time FLR4TCX.Fail = ((Time - CtlrTimer[7]) > Ma xCtlrTime)

Return

Function

Checks the Comm status of the

Infinet

controllers.

File Explanation:

This function uses the DateTime array called CtlrTimer[ ] to keep track of how long each Infinet c ontr o ller is OffL ine . If the controller goes OffLine, CtlrTimer[n] no longer gets set to the system Time. If the controller is Offline for a period of time longer than MaxCtlrTime, then the expression “((Time - CtlrTimer[n]) > MaxCtlrTime)” will be TRUE, therefore the corresponding .Fail nume ric is set TRUE.

In the MAIN Program, MaxCtlrT ime is set to 10 s econds to allow Infinet to Reconfigure without the FSCS turning on a Fault alarm.

5-22 Infinity Smoke Control Guide

PlantFaultCheck

TOC

Smoke Control Programs

Type: Description:

Function

Determines whether or not the fans and dampers have reached their desired state wi thin the time al lo wed by NFPA 92A.

Code:

‘ Checks all fans and dampers to ensure that the status input follows ‘ the output wi thin t he all o w ab le ti me , if no t the fail flag will be set.

‘ PlantTimer[] is an Array holding the datetime of the last plant state change.

‘ Plant 1 If (AHU1 Sfan = AHU1 SfanSt) then PlantTimer[1] = Time AH1Sfan.Fail = (Time - PlantTimer[1]) > MaxFanTime

‘ Plant 2 If (AHU1 Rfan = AHU1 RfanSt) then PlantTimer[2] = Time AH1Rfan.Fail = (Time - PlantTimer[2]) > MaxFanTime

‘ Plant 3 If (AHU2 Sfan = AHU2 SfanSt) then PlantTimer[3] = Time AH2Sfan.Fail = (Time - PlantTimer[3]) > MaxFanTime

‘ Plant 4 If (AHU2 Rfan = AHU2 RfanSt) then PlantTimer[4] = Time AH2Rfan.Fail = (Time - PlantTimer[4]) > MaxFanTime

‘ Plant 5 If (AHU3 Sfan = AHU3 SfanSt) then PlantTimer[5] = Time AH3Sfan.Fail = (Time - PlantTimer[5]) > MaxFanTime

‘ Plant 6 If not (((AHU1 OADmp = On) and (AHU1 OADmp.Opn <> On)) or ((AHU1 OADmp = -On) and (AHU1 OADmp. Cls <> On))) then PlantTimer[6] = Time AH1OADmp.Fail = (Time - PlantTimer[6]) > MaxDamperTime

‘ Plant 7 If not (((A HU1 EADmp = On) and (AHU1 EAD mp .Opn <> On)) or ((AHU1 EADmp = -On) and (AHU1 EADmp.Cls <> On))) then PlantTimer[7] = Time AH1EADmp.Fail = (Time - PlantTimer[7]) > MaxDamperTime

5-23 Infinity Smoke Control Guide

Smoke Control Programs

‘ Plant 8 If not (((AHU1 RADmp = On) and (AHU1 RADmp.Opn <> On)) or ((AHU1 RADmp = -On) and (AHU1 RADmp.Cls <> On))) then PlantTimer[8] = Time AH1RADmp.Fail = (Time - PlantTimer[8]) > MaxDamperTime

‘ Plant 9 If not (((AHU2 OADmp = On) and (AHU2 OADmp.Opn <> On)) or ((AHU2 OADmp = -On) and (AHU2 OADmp. Cls <> On))) then PlantTimer[9] = Time AH2OADmp.Fail = (Time - PlantTimer[9]) > MaxDamperTime

‘ Plant 10 If not (((A HU2 EADmp = On) and (AHU2 EAD mp .Opn <> On)) or ((AHU2 EADmp = -On) and (AHU2 EADmp.Cls <> On))) then PlantTimer[10] = ~ Time AH2EADmp.Fail = (Time - PlantTimer[10]) > MaxDamperTime

‘ Plant 11 If not (((AHU2 RADmp = On) and (AHU2 RADmp.Opn <> On)) or ((AHU2 RADmp = -On) and (AHU2 RADmp.Cls <> On))) then PlantTimer[11] = ~ Time AH2RADmp.Fail = (Time - PlantTimer[11]) > MaxDamperTime

‘ Plant 12 If not (((SMKDMPRS Fl2.SASDmp = On) & (SMKDMPRS Fl2.SASDmp .Cls < > On)) or ((SMK DMPRS F l2.SASDmp = Off) & (SMKDMPRS Fl2.SASDmp.Opn ~ <> On))) then PlantTimer[12] = Time FL2SADmp.Fail = (Time - PlantTimer[12]) > MaxDamperTime

‘ Plant 13 If not (((SMKDMPRS Fl2.RASDmp = On) & (SMKDMPRS Fl2.RASDmp.Cls <> On)) or ((SMKDMPRS Fl2.RASDmp = Off) & (SMKDMPRS Fl2.RASDmp.Opn ~ <> On))) then PlantTimer[13] = Time FL2RADmp.Fail = (Time - PlantTimer[13]) > MaxDamperTime

‘ Plant 14 If not (((SMKDMPRS Fl3.SASDmp = On) & (SMKDMPRS Fl3.SASDmp .Cls < > On)) or ((SMK DMPRS F l3.SASDmp = Off) & (SMKDMPRS Fl3.SASDmp.Opn ~ <> On))) then PlantTimer[14] = Time

TOC

5-24 Infinity Smoke Control Guide

Andover Controls Infinity User Guide

Specifications and Main Features

Frequently Asked Questions

User Manual

Chapter 1

Understanding Types of Smoke Control Systems

Using Pressure to Control Smoke

Creating Smoke Zones

Designing a Smoke Control System

Determining the Amount of Pressure Needed

Separating Zones

Employing Dedicated Smoke Control Systems

Ensuring Doors Can Be Opened

Controlling Pressure in a Stairtower

Elevators

Detecting Smoke

Testing the System

Bibliography

Chapter 2

Smoke Control System Overview

CX9200 Controller

SCX920S Controller

TCX840 Series Controllers

TCX850 Series Controllers

TCX860 Series Controllers

TCX865 Series Controllers

EnergyLink 2500

Infilink 200

Infilink 210

The FSCS

The Fire Panel

Chapter 3

Installation and Layout

Installing the CX9200

Installing Infinet Controllers

Installing the FSCS

Installing the Fire Panel

Chapter 4

Configuring the System

Logging on to the CX9200

Using the Command Window

Using the Menus

Logging Off the CX9200

Assigning Security Levels to Users

Setting the System Date and Time

Configuring the Commports

Creating and Editing Points

Creating and Editing Files

Smoke Control Programs

Chapter 5

Example Smoke Control System

CX9200 Programs