Learn how to setup, manage, and maintain your Clean Air Industries Brahm Collector Series unit.
BRAHM TM BC Central Collector Series
T ABLE OF C ONTENTS
TABLE OF CONTENTS.............................................................................................................................................. 2 S HIPPING R ECEIVING , AND I NSPECTION ............................................................................................................................... 7 Receiving and Inspection .......................................................................................................................................7 Before Installation Begins ......................................................................................................................................8 BRAHM™ SERIES COLLECTOR DESCRIPTION ........................................................................................................... 9 F EATURES AND S PECIFICATIONS ....................................................................................................................................... 10 General Features..................................................................................................................................................10 B LOWER / M OTOR S PECIFICATIONS .................................................................................................................................11 U NIT W EIGHT .............................................................................................................................................................. 11 U NIT S PECIFIC I NFORMATION .......................................................................................................................................... 12 INSTALLATION ..................................................................................................................................................... 13
General Installation Guidelines............................................................................................................................13
TOOLS NEEDED FOR INSTALLATION ..................................................................................................................... 14 Required Tools: ....................................................................................................................................................14 Optional / Recommended Tools: .........................................................................................................................15 Parts List BC1-108 ................................................................................................................................................17 WARNINGS AND LABELS ...................................................................................................................................... 18 MOVING THE BRAHM COLLECTOR TM ................................................................................................................... 19 CONSTRUCTION OF THE OPTIONAL STANDS ........................................................................................................ 20 S ETTING THE B RAHM ™ C OLLECTOR ON THE O PTIONAL S TAND .............................................................................................. 20 A TTACHING THE S ECONDARY U NIT H ALF (BC24 AND LARGER ) .............................................................................................22 GETTING STARTED ............................................................................................................................................... 24 FIRE SUPPRESSION ............................................................................................................................................... 25 F IRE S UPPRESSION F UNCTIONS ........................................................................................................................................ 26 FSS C OMPONENTS .......................................................................................................................................................27 Key Switch ............................................................................................................................................................27 Fire Pull ................................................................................................................................................................28 Smoke Sensor.......................................................................................................................................................29
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Primary Heat Sensor ............................................................................................................................................30 Secondary Heat Sensor ........................................................................................................................................31 Strobe / Horn .......................................................................................................................................................33 Fire Suppression Agent ........................................................................................................................................33 Additional Sprinkler .............................................................................................................................................34 F IRE S UPPRESSION P ROCEDURE ....................................................................................................................................... 34 1) Initial Detection ...............................................................................................................................................34 2) Secondary Detection........................................................................................................................................35 3) Manual Detection ............................................................................................................................................35 4) Alert .................................................................................................................................................................35 5) Extinguish ........................................................................................................................................................35 6) Inspect .............................................................................................................................................................36 7) Restart .............................................................................................................................................................36 8) Reset ................................................................................................................................................................36 9) Install the Replacement Generator..................................................................................................................36 10) Normal Operations ........................................................................................................................................36 FIRE SUPPRESSION TESTING PROCESS:................................................................................................................. 37 OPENING AND CLOSING THE UNITS ..................................................................................................................... 40 O PENING THE F ILTER D OOR ............................................................................................................................................ 40 C LOSING THE F ILTER D OOR ............................................................................................................................................. 41 INSTALLING THE [OPTIONAL] DUST TRAYS........................................................................................................... 42 INSTALLING THE [OPTIONAL] HOPPERS ............................................................................................................... 44 INSTALLING THE DUST BINS ................................................................................................................................. 46 A IR AND E LECTRICAL C ONNECTION D IAGRAMS ................................................................................................................... 47 COMPRESSED AIR CONNECTION .......................................................................................................................... 48 A IR R EGULATOR ........................................................................................................................................................... 49 A IR F ILTER ...................................................................................................................................................................49 D RY A IR ...................................................................................................................................................................... 49 S HUT O FF V ALVE (N OT I NCLUDED ) ..................................................................................................................................49 I NTERNAL C OMPRESSED A IR R ESERVOIR ............................................................................................................................ 50 D RAIN C OCK ................................................................................................................................................................ 50 ELECTRICAL CONNECTIONS .................................................................................................................................. 51
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BRAHM™ C OLLECTOR SYNAPSE™ P ANEL E LECTRICAL I NFORMATION (208V) ......................................................................54 BRAHM™ C OLLECTOR SYNAPSE™ P ANEL E LECTRICAL I NFORMATION (230V) ......................................................................55 P OWER D ISCONNECT S WITCH ......................................................................................................................................... 56 E MERGENCY S TOP ........................................................................................................................................................ 57 B REAKERS ...................................................................................................................................................................57 K EY L ATCH ..................................................................................................................................................................58 BLOWER ROTATION ............................................................................................................................................. 59 STARTUP PROCEDURES........................................................................................................................................ 60 SHUTDOWN PROCEDURES ................................................................................................................................... 61 MAINTENANCE .................................................................................................................................................... 62 D UST T RAY M AINTENANCE ............................................................................................................................................. 62 C ARTRIDGE F ILTER M AINTENANCE ...................................................................................................................................64 Filter Features ......................................................................................................................................................64 Filter Maintenance...............................................................................................................................................64 Where to Start .....................................................................................................................................................65 How to Determine the Filter Change Interval ......................................................................................................65 What determines the maximum acceptable pressure differential reading? .......................................................67 How to replace filters...........................................................................................................................................68 SYSTEM CONTROLLER - AUTOPULSE™ CLEANING SYSTEM ................................................................................... 71 Power Start / Stop Switch ....................................................................................................................................72 Filter Cleaning Controls........................................................................................................................................73 Auto Mode: ..........................................................................................................................................................74 Manual Mode: Timed ..........................................................................................................................................74 Manual Mode: Count...........................................................................................................................................75 Manual Mode: Vtest ............................................................................................................................................75 Option Mode: ShutDown Pls # .............................................................................................................................75 Option Mode: Shutdwn delP ................................................................................................................................75 Option Mode: Run Pls delP ..................................................................................................................................76 Option Mode: Alarm delP ....................................................................................................................................76 Option Defaults....................................................................................................................................................76 Optional Variable Frequency Drive (VFD) ............................................................................................................76 Soft Start ..............................................................................................................................................................77
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Pressure Tracking ................................................................................................................................................. 77 Reduced Maintenance .........................................................................................................................................77 Reduced Noise .....................................................................................................................................................77 SYSTEM CONTROLLER - SYNAPSE™ PANEL SYSTEM.............................................................................................. 78 Physical Controls ..................................................................................................................................................78 Interlock Activate .................................................................................................................................................78 Interlock Deactivate ............................................................................................................................................. 78 HMI ......................................................................................................................................................................78 SYNAPSE™ PANEL FEATURES ............................................................................................................................... 79 Soft Start ..............................................................................................................................................................79 Pressure Tracking ................................................................................................................................................. 79 Reduced Maintenance .........................................................................................................................................79 Reduced Noise .....................................................................................................................................................80 SYNAPSE™ SYSTEM CONTROLLER ........................................................................................................................ 81 M AIN S CREEN .............................................................................................................................................................. 81 Safety Relay: ........................................................................................................................................................82 Pulsing Indicator: .................................................................................................................................................82 Motor State: ........................................................................................................................................................82 Warning and Faults: ............................................................................................................................................83 Reservoir Status: ..................................................................................................................................................83 Filter and Duct Pressure:......................................................................................................................................83 VFD and Status Word:..........................................................................................................................................84 UNIT BEHAVIOR ................................................................................................................................................... 85 M OTOR C ONTROL M ODES : ............................................................................................................................................85 A UTOMATIC S CHEDULING : .............................................................................................................................................86 VFD S CREEN : ..............................................................................................................................................................86 VFD O PERATING D ATA : ................................................................................................................................................87 ABB F AULT L OG : .........................................................................................................................................................88 VFD P ARAMETER V IEWER : ............................................................................................................................................. 90 O PTIONS S CREEN :.........................................................................................................................................................90 U NIT C ONFIGURATION S CREEN : ......................................................................................................................................91 PID C ALIBRATION S CREEN : ............................................................................................................................................. 92 F IRE S UPPRESSION S CREEN : ............................................................................................................................................94
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G RAPH ....................................................................................................................................................................... 95 D IAGNOSTICS ............................................................................................................................................................... 96 D IAGNOSTIC B UFFER .....................................................................................................................................................97 V ALVE /L OUVER T EST .....................................................................................................................................................98 R UNNING S CHEDULE .....................................................................................................................................................99 D AYS OF O PERATION :..................................................................................................................................................100 APPENDIX A: FILTER MAINTENANCE LOG SHEET ................................................................................................ 102 APPENDIX B: BC UNIT DIMENSIONS ................................................................................................................... 103 APPENDIX C: ...................................................................................................................................................... 106 APPENDIX D: AUTOPULSE BASED WIRING DIAGRAMS ....................................................................................... 108
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S HIPPING R ECEIVING , AND I NSPECTION Receiving and Inspection Congratulations on the purchase of your new Clean Air Industries Brahm™ Series Collector!
Upon receipt of the BRAHM™ unit, remove the master packing list from the unit and reconcile it with the total shipment. Report any discrepancies to Clean Air Industries as soon as possible. All damage must be reported at receiving for insurance purposes. Clean Air Industries BRAHM™ units are shipped via freight and generally arrive on a flat bed trailer or box trailer. Accessories are partially crated, on a pallet, and are shipped separately. Remove the packaging from the unit; then remove the accessories from the pallet. Carefully inspect the unit and any other items shipped with the unit for any damage that may have been incurred during shipping. If damage is found, report it to the shipping company and Clean Air Industries immediately. Bolt packages may be placed in the valve compartment to reduce shipping costs. Ducting typically requires being shipped separately and may arrive on a separate shipment. Accessories may be packaged and shipped on multiple pallets depending on the order. In some cases these parts may be packaged inside one another to reduce shipping costs.
A bolt package is included for BRAHM™ Collector units. This bolt package may be placed inside the valve compartment of the unit or inside a pallet, and will be labeled “hardware.”
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Before Installation Begins
Prior to using your BRAHM™ Collector unit, it must be fully assembled and placed in its final operating location. Adequate electrical and compressed air must also be connected to the system. These connections are defined in the “Electrical Connections” and "Compressed Air Connections" sections of this manual. During installation, please be careful. The BRAHM™ Collector is a large, heavy unit and requires experienced personnel to move and set up. NOTE – the unit is heavier on the motor side.
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BRAHM™ S ERIES C OLLECTOR D ESCRIPTION
DISCLAMER: The Clean Air Industries BRAHM™ Series is designed to accumulate smoke residue / particles and other by-products of the manufacturing process. The nature of these accumulations may be flammable. Operating the BRAHM™ unit with these materials could result in a fire inside the unit. The BRAHM™ unit is not recommended for use with highly combustible materials or explosive materials or particles. The Clean Air Industries BRAHM™ unit consists of: Unit Housing
Motor / Blower System Multiple Cartridge Filters Online Automatic Pulse Filter
Cleaning System
The “dirty air” inlet is located on top of the unit above the filter door. The “clean air” outlet is located on the
top of, or side of the unit. The optional silencers or exhaust deflectors may be installed over the exhaust. On outdoor units, the exhaust may be returned to the building or fitted with downturned exhaust diverters. The large opening door provides easy access to the internal cartridge filters. A removable panel also allows easy access to the motor and blower.
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F EATURES AND S PECIFICATIONS General Features
Patented down-flow air cleaning technology Filter element design: 12.75" OD x 26" long, flame retardant, 100% cellulose Filters area of 226 sq. ft. per filter Silencing: built-in acoustical lining Heavy steel construction and powder-coat paint finish Integrated 6” feet Pulse air reservoir; 1" valves; 1" compressed air connection Clean Air AutoPulse TM Controller: A programmable pulse controller with filter differential readout; manual mode options NOTE: Optional Synapse™ with integrated HMI available Motor contactor and overload; On / Off push button with center light; disconnect switch NOTE: Optional Variable Frequency Drive (VFD) available Customizable filters Low noise level (noise level varies based on unit, options chosen, and application)
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B LOWER / M OTOR S PECIFICATIONS
Backward incline, air foil high efficiency plug type blower(s) Single phase 115, 208, or 230 Volts 3 Phase 208, 230, or 460 Volts (575V) 3450RPM Premium efficiency NEMA MG-1; 230-460 V/60/3 (std.)
U NIT W EIGHT The weight of the BRAHM TM Collector unit can vary depending on the configuration, application, and accessories purchased. This is due to the wide selection of motors, blowers, filters, and accessories Clean Air Industries has to offer. Please see the following chart for approximate weights. Additional options may increase weights.
MODEL
Weight Range (lbs.)
BC1 BC2 BC4 BC8
750 - 1,000
1,000 – 1,300 1,600 – 2,200 2,000 – 2,800 2,400 – 3,200 3,300 – 4,100 4,800 – 6,400 6,600 – 8,200 9,900 – 12,300 13,200 – 16,400 16,500 – 20,500 19,800 – 24,600
BC12 BC18 BC24 BC36 BC54 BC72 BC90
BC108
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U NIT S PECIFIC I NFORMATION
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I NSTALLATION
The BRAHM™ Collector requires some minor assembly. A standard unit will come with an exhaust cover pre-installed.
In some instances, filters may be shipped separate from the unit, requiring installation on site. See the 'BRAHM™ Collector Accessories User Manual' for accessory assembly instructions. General Installation Guidelines Clean Air Industries BRAHM™ Collectors are shipped via freight and generally arrive on a flat bed trailer or box trailer. The units are typically palletized. Use a fork lift truck driven by a qualified individual, to remove the unit and other pallets from the truck. Occasionally, fork extensions are helpful. Once the unit is inside the facility, ready to be unpackaged, please proceed cautiously. Banding
straps, cardboard, and plastic wrap must be removed. BRAHM™ Collectors are heavy and tend to be irregularly weighted. The motor and the majority of the metal are located on the motor / valve side of the unit. This can make transporting the units hard to handle. Please see the "Unit Weight" section for proper weights. Multi-modular units require assembly on site. Specifically, the BC36 and larger units are shipped on separate pallets which require bolted assembly on site. There are (4) steel plate eyelets vertical on the top of unit or
section. These are the lifting lugs, and can be used for moving the unit around. There are multiple 6” feet located on the bottom corners of the unit or unit half.
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T OOLS N EEDED FOR I NSTALLATION The following tool lists are given as a general outline. Additional tools may be used or substituted based on availability. The required tool list is given as a bare minimum required in order to assemble a BRAHM™ Collector. Power tools are recommended. Required Tools:
(1) 5 /
(2) 7 /
32 " Allen Wrench
16 " Box Head Wrenches
(1) Fork Lift Truck
(1) Utility Knife
(1) Set of Lifting Chains
(1) Set of Ratchet Straps
(1) Small Flat Head Screwdriver [for Electrical Connections]
(2) 9 /
16 " Box Head Wrenches
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Optional / Recommended Tools:
(1) Cordless Drill
(1) Ratchet
(1) Air Ratchet
(1) 7 /
5 /
7 / 16 " Drive Socket
16 " Socket Bit
(1)
32 " Allen Bit
(1)
(1) 9 /
9 / 16 " Drive Socket
16 " Socket Bit
(1) Flashlight
(1)
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(1) Set of Fork Extensions
(1) Fork Lifting Tool
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P ARTS L IST BC1-108
The following parts are shipped with each Brahm™ Collector. Please confirm that all parts have been
3/8" - 16 x 1.0" Bolt Grade 5, Zinc
3/8" Flat Washers Grade 5, Zinc
3/8" Lock Nut Grade 5, Zinc
Flat Gasket, 25' each [installed on unit prior to shipping if possible]
Electrical Box Key
Electrical Panel
1/4" – 20 x 1.0” Bolt Grade 5, Zinc
1/4" Flat Washers Grade 5, Zinc
1/4" Lock Nut Grade 5, Zinc
shipped before beginning assembly. Colors of some parts may very if a custom color was ordered.
C ONDUIT AND T APE IS SUPPLIED BY THE CUSTOMER OR INSTALLING PARTY .
NOTE:
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W ARNINGS AND L ABELS
HIGH VOLTAGE: The voltage of the BRAHM dangerous once connected to a power supply. Incorrect installation may cause damage to the equipment, serious injury, or death. Consequently, it is essential to comply with instructions in this manual, local and national safety rules, and follow all safety procedures including proper lock out and tag out procedures. BRAHM™ Collector is anual, local and national safety rules, and
ELECTRICAL SHOCK HAZARD: The Variable Frequency Drive (VFD) uses large capacitors which can hold a charge long after the power has been disconnected not service the panel until the VFD has fully discharged. ed from the unit. Do
GROUND CONNECTION: Proper grounding of the equipment and electrical panel is essential. Do not attempt to operate the equipment without electrically grounding the panel. The connection to the earth ground must be proper and provide a low impedance path to the earth to prevent hazardous voltages from appearing on equipment. COMPRESSED AIR: Compressed air is used in the operation of this unit. Follow proper lock out / tag out procedure servicing the unit. This includes draining the compressed air reservoir inside the unit. Failing to do so can lead to injury or hearing loss. Look out – drain tank – do not service while pressurized. do not service while pressurized. must be proper and provide a path to the earth to prevent hazardous this unit. Follow proper lock out / tag out procedures prior to
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M OVING THE BRAHM C OLLECTOR TM
There are various ways to move a BRAHM™ Collector. Most of the time, it can easily be moved by using a fork lift truck. Place the forks under the under the unit. Be mindful not
to damage the dust tray or hopper mounting angles on the bottom of the unit. Attach the lifting chains or cables to the fork head ache bar. Attach the other end of the lifting chains or cables to the lifting lugs. Keep in mind, the motor side of the unit is heavier and forks may need to be shifted toward this
side. Make sure not to scratch or damage the unit. On some models of the BRAHM™ Collector, lifting the unit from above may be easier. Lifting lugs are provided in the corners of the unit. Attach lifting chains to the lift equipment and make sure they are securely fastened. Securely attach the lifting chains to all (4) of the lifting lugs. Keep in mind, the motor side of the unit is heavier and forks may need to be shifted toward this side. Make sure not to scratch or damage the unit. Please proceed cautiously.
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C ONSTRUCTION OF THE Unit stands are optional and must be purchased separately. Dimensional and exploded view drawings are available for the different versions of the unit stands (NOTE: See stand specific drawings in Appendix D and Appendix E). stands are assembled in the field and are kitted with the parts grouped together. Bolt packages are included with each stand kit. All bolts are Grade 8, zinc 3/8"-16 x 1" bolts with flat washers, and lock nuts. Using (16) 3/8" Bolts, Nuts, and Flat Washers, assemble the Horizontal Channels to the Leg Weldments. Make sure to put washers on each side of parts being fastened together. Using (8) 3/8" Bolts, Nuts, and Flat Washers, assemble the Cross Braces to the Leg Weldments / Side Assemblies. Make sure to put washers on each side of parts being fastened together. Make sure to place one brace on the inside, and one on the outside. Using (16) 3/8" Bolts, Nuts, and Flat Washers, assemble the Horizontal Channels to the Side Assemblies. Make sure to put washers on each side of parts being fastened together. Side Assemblies. Make sure to put All mbled in the field and are kitted with the parts grouped together. Bolt packages are included with each stand kit. All bolts are Grade 8, zinc-plated 16 x 1" bolts with flat washers, and lock nuts. Weldments / Side Assemblies. Make sure to put
O PTIONAL S TANDS
Using (8) 3/8" Bolts, Nuts, and Flat Washers, assemble the Cross Braces to the Leg Weldments / Side Assemblies. Make sure to put washers on each side of parts being f to place one brace on the inside, and one on the outside. Using (4) 1/2" Anchor Bolts, anchor the stand to the concrete pad / floor. Holes will need to be drilled into the concrete prior to driving the concrete anchors (not supp (Recommended) For ALL units, it is recommended that the dust tray and hopper be installed washers on each side of parts being fastened together. Make sure ) 1/2" Anchor Bolts, anchor the stand to the concrete pad / floor. Holes will need to be drilled into the concrete prior to driving the concrete anchors (not supplied). (One at each leg.) units, it is recommended that the dust tray and hopper be installed . (One at each leg.)
onto the unit before the unit is placed on the stand. For multi-module units, repeat for each module. S ETTING THE B RAHM ™ C OLLECTORON THE NOTE: module units, repeat for each module.
O PTIONAL S TAND
Please see the "Moving the Brahm™ Collector" section prior to setting the unit on the stand.
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NOTE:
The dust trays and hoppers may be attached to the unit before the unit has been placed on the stand. The BC24 through BC108 models must be lifted into place before being bolted together. Do not try to lift these models fully assembled.
NOTE:
The Brahm™ Collector can easily be moved by using a fork lift truck. Place the forks under the unit. Be mindful not to damage the dust tray or hopper mounting angles on the bottom of the unit. Attach the lifting chains or cables to the forklift “headache” bar. Attach the other end of the lifting chains or cables to the lifting lugs. Keep in mind, the motor side of the unit is heavier and forks may need to be shifted toward this side. Make sure not to scratch or damage the unit. Place cardboard between the unit and the fork lift truck to prevent damage When possible, lift and set the unit from the back side to reduce risk of damage to the filter and dual compartment doors. When setting the unit, be mindful of the bottom of the unit. Make sure the unit feet are placed inside the stand corners to prevent damage to the stand. The feet of the unit should line up with the flanges on the corners. Lift both halves onto the stand. Once both halves are on the stand, they can be bolted together. Make sure to bolt the halves together before bolting the unit to the stand. If bolted to the stand first, the unit may leak where the two halves are joined together. Once the unit is on the stand (and halves are bolted together where applicable), the unit can be bolted to the stand. Attach the unit to the stand using 3/8"-16 x 1" bolts. These bolts should be placed through the flanges on the top of the stand and into the weld nuts on unit's feet. Make sure the bolts
are secured with washers and lock washers to prevent loosening over time. Secure the stand to the ground using customer supplied anchor bolts.
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A TTACHING THE S ECONDARY U NIT H ALF (BC24 AND LARGER )
NOTE:
On models including the BC24 and larger, units must be lifted onto the stand (when used) before being bolted together. Do not try to lift these models fully assembled. Before connecting the primary half and secondary half of the unit, the flat gasket and bubble gasket must be installed around the connection openings.
NOTE:
The BC24 and larger units have been split into two or more separate units for shipping and transportation purposes. These units can only go together one way. All connections are marked with wire labels at the ends of the cables. The components are wired at the end of flying leads (pig tails) and the cables need to be placed in the wire track provided. For each module past the first, the following must be installed:
(1) Primary heat detector in the valve compartment – The detector will be wired up and laying on the floor of the valve compartment of first (main) module (1) Primary smoke detector in the valve compartment – The detector will be wired up and laying on the floor of the valve compartment of first (main) module
(1) Secondary heat detector in the filter compartment – The detector is mounted on the wall already, the control wiring is located in the valve compartment of the first module. The cable needs to be run through the provided strain relief into the filter compartment. The ends of the cable must be terminated according to the wiring diagram. (2-3) Valve DIN connectors in the valve compartment [2 for a BC24, 3 for each module on a 36 and higher] – The connectors will be wired up and bound to the reservoirs of the valve compartment of first (main) module. (1 per Module) Fire suppression agent generator. The wires must be terminated inside the junction box in the valve compartment of the first module. The wires must be terminated according to the diagram. For each Louver on each module past the first, Louver Connections must be made. All connections are marked with wire labels at the ends of the cables / tubing. Each louver requires the following:
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(1) Valve DIN connector: The cables will have the DIN connectors already molded on the end. Place the connector onto the valve coil and use the screw on the connector to secure it to the coil. (1) Compressed Air Connection: A compression fitting is already installed on the valve. Simply push the black tubing into the compression fitting. The fitting will automatically clamp down onto the tubing. The tubing should be preinstalled into the wire track on top of the unit. The compressed air plenum must be built on the outside of the units. Each module must have a compressed air connection. See pictures. The last unit uses a 90 degree elbow. The first and intermediate units will use tee branches. The connection between is made with hose nipples and 1” pneumatic hose. Hose clamps must be installed to fasten and secure the hose.
For all units (even single module): There a small ¼” compressed air line that tees off the incoming compressed air line. There is a compression fitting pre installed on the unit. Simply push the black tubing into the compression fitting. The fitting will automatically clamp down onto the tubing. The tubing should be preinstalled into the wire track on top of the unit. An air regulator is provided. It must be screwed onto the incoming air line to the unit and set to 80-100 psi. 100 psi is recommended.
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G ETTING S TARTED After the unit has been installed at its final place and the electrical and compressed air line has been connected, the unit needs to be tested to make sure that all the features run as intended. This step is usually done by Clean Air Industries installation team. Here is a quick guide to test the system and get familiar with the unit The first thing to do is to rotate the Power Disconnect to ON position to turn on the unit. Then, press the green button to start the blower and red button to stop the blower. Refer to page 61 for more details.. All Brahm Collectors are equipped with Smart Pulsing System. On auto mode, the unit will automatically pulse to self-clean the filter. Refer to page 72 for more details.. (Optional) When the unit is equipped with Variable Frequency Drive, the unit will adjust its motor speed automatically based on the condition of the filter. The speed can also be adjusted manually from the VFD. Refer to page 78 for more details about this.. Or page 87 on units equipped with Synapse Panel (Touch Screen HMI).. (Optional) When Fire Suppression System is equipped, the unit will have louvers on the inlet and exhaust side. During fire, the motors will stop and the louvers will automatically close to contain and suppress the fire in the unit. There is a 20 s delay for the fire canisters between each module (on multi module units like BC24, BC36, BC54, etc..) to allow the louver to close and prevent voltage spike to trip the circuit breaker. Remember, DO NOT rotate the Power Disconnect into OFF position as this will cut power and thus deactivate the Fire Suppression System. Refer to page 26 for more details.. Important!!! On units with Fire Suppression System, the fire solenoid is in disconnected position when the unit leaves Clean Air Industries facility. This allows for the FSS to be tested onsite without actually actuating the fire canister. Check in the junction box to make sure that it is connected when the unit is ready!
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F IRE S UPPRESSION
Caution: All personal should be informed and properly trained to work around an active fire suppression system prior to performing any maintenance on a Clean Air Industries unit equipped with fire suppression.
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F IRE S UPPRESSION F UNCTIONS The functions of the fire suppression system (FSS) are driven by the Smart Relay. Heat and smoke sensors internal to the unit are used for fire detection, and the system can be activated manually through the fire pull. The system behaves as follows:
If:
Then:
The Key Switch is turned OFF (Key will be retained)
The fire suppression system is deactivated
The motor/VFD will shut down immediately, valve pulsing is shut down immediately, fire flap door closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered after a 20 second delay. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, fire flap door closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered after a 20 second delay. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, fire flap door closes immediately, alarm/strobe will activate immediately, and the fire bottle will NOT be triggered. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, fire flap door closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered after a 20 second delay. The motor/VFD will shut down immediately, valve pulsing is shut down immediately, fire flap door closes immediately, alarm/strobe will activate immediately, and the fire bottle is triggered immediately.
The Fire Pull is activated
The Primary Heat Sensor is triggered (Valve Compartment)
The Smoke Sensor is triggered (Valve Compartment)
The Secondary Heat Sensor is triggered (Filter Compartment)
Fire detector hose burst/Fire Pressure Switch is triggered
Note : Fire flap doors changed to louvers on both intake and exhaust of unit. Note : Fire bottle changed to ABC. Note : In newer models the fire flap door has been replaced by louvers. The same process applies, however, the system resets automatically.
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BRAHM TM BC Central Collector Series
FSS C OMPONENTS NOTE:
On multi motor units (BC24 and larger), components are duplicated for each module. These components include the potassium aerosol generator, louvers, heat sensors, and smoke sensor. Only one controller is used, but additional wiring and programming modifications are made to accommodate these components.
Key Switch
NOTE: The system can only be deactivated while the power is off. The key switch will not function once power to the panel has been turned on using the Disconnect.
The key switch is located on the front of the electrical door, and it is a retentive key switch. This means while the system is turned off, the key cannot be removed. It is recommended that the key be removed when the fire suppression system is active
as a visual check. The fire suppression system can only be deactivated when the power to the electrical disconnect is off. Once the power is on and the key has activated the fire suppression system, the system will not turn off even if the key switch is activated. The power must be off to deactivate the system. The key switch is wired fail safe so that if the wires are removed or cut, the fire suppression system is activated. The fire suppression system can be deactivated using the key switch. When changing the filters in the system per proper maintenance, dust can be dropper through cads and below the filter compartment. This dust can then trigger the smoke sensors in the valve compartment. To prevent this, it is recommended that the fire suppression be turned off using the key switch for several minutes upon restarting the system after a filter change. After several minutes, the fire suppression can be reactivated while the system is still running (it need not be restarted again). This process is only necessary after filter changes, not on all startups. If the key switch has been activated, the display will show “FSS OFF” as shown in the picture below.
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BRAHM TM BC Central Collector Series
Fire Pull The fire pull is used for the manual activation of the fire suppression system. These are typically mounted remotely so that cell operators can activate them in emergency situations. The fire pull will be mounted on the front of the electrical door. A key is used to reset the fire pull once it has been activated, and a glass tube can be inserted to detect an activation that has been reset. To reset the fire pull, the power must be turned off before the fire pull has been reset. The internal program of the Smart Relay latches shut
electronically, forcing the power to be cycled off and then on. If the fire pull has been activated, the display will show “FPull” as shown in the picture below. NOTE: On Synapse panels, the fault must also be cleared on the HMI by pressing the “Reset FSS” button on the fire suppression screen.
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