Tyco Fire Suppression & Building Products ANSUL AQUASONIC Design, Installation, Recharge, And Maintenance Manual Download Page 1

AQUASONIC WATER-ATOMIZING

FIRE SUPPRESSION SYSTEM

Design, Installation, Recharge, and Maintenance Manual

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(Order No. PN437205)

 

 

 

 

Summary of Contents for ANSUL AQUASONIC

Page 1: ...WATER ATOMIZING FIRE SUPPRESSION SYSTEM Design Installation Recharge and Maintenance Manual AQUASONIC WATER ATOMIZING FIRE SUPPRESSION SYSTEM Design Installation Recharge and Maintenance Manual Order No PN437205 ...

Page 2: ...IC WATER ATOMIZING ENGINEERED FIRE SUPPRESSION SYSTEM DESIGN INSTALLATION RECHARGE AND MAINTENANCE MANUAL ANSUL PART NO 437205 MARCH 1 2010 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved ...

Page 3: ... 15 Relief Valve F 2010046 1 16 Vent Poppet F 2010047 1 17 Pressure Switch DPST F 2010048 1 18 Pressure Switch DPDT Explosion Proof F 2010049 1 19 Pressure Switch 3PST F 2010050 1 20 Pressure Trip F 2010051 1 21 Water Tank Relief Valve F 2010052 1 22 System Shut Off Valves F 2010053 1 23 Nitrogen Discharge Regulators F 2010054 1 24 Water Pressure Regulator F 2010055 1 25 Atomizer F 2010056 1 26 Pn...

Page 4: ...tructions Usage 2 3 Discharge Path 2 4 Obstruction Allowances 2 4 2 5 Sample Calculation Procedure 2 6 AQUASONIC Atomizer Parameters 2 6 2 9 Pendent Downward Position 2 6 Sidewall Position 2 6 2 7 Application of Pendent Constraints 2 7 2 8 Rectangular Array 2 7 Triangular Array 2 7 2 8 Application of Sidewall Constraints 2 8 2 9 Sidewall Mounted Atomizers 2 9 Control of Run Off 2 9 Ventilation and...

Page 5: ... No 14 Complete Layout of the System 4 13 Step No 15 Create a Bill of Materials 4 13 Step No 16 Create Installation Drawings 4 14 V INSTALLATION 5 1 5 14 General Information 5 1 Nitrogen Cylinder Installation 5 1 5 4 Bracketing Without Uprights Double Row 5 2 Bracketing With Uprights Back To Back 5 2 Bracket With Uprights Double Row Back To Back 5 3 Water Tank Installation 5 4 Atomizer Installatio...

Page 6: ...lectric Pull Station to AUTOPULSE Control Panel 5 12 Installing Accessories 5 12 5 13 Alarms 5 12 Pressure Trip 5 13 Pressure Switch 5 13 Ventilation 5 13 Fill Water Tanks 5 13 VI TESTING AND PLACING IN SERVICE 6 1 6 2 Testing 6 1 Testing Electric Detection Actuation System AUTOPULSE Control System CV 98 Valve HF Actuator Booster Actuator 6 1 Testing Electric Detection System ANSUL AUTOMAN II C Re...

Page 7: ...tem Back in Service 9 2 9 4 Recharge Water Tank 9 2 Recharge Nitrogen Cylinders 9 2 9 3 Remote Pneumatic Actuation 9 3 Lever Actuator 9 3 Electric Manual Pull Station 9 4 Replace ANSUL AUTOMAN II C Cartridge 9 4 Resetting the HF Actuator 9 4 Resetting the Booster Actuator 9 4 X APPENDIX Appendix A Selector Valves A1 A12 Appendix B European Cylinder Bracketing and Manifold Installation B1 B4 Append...

Page 8: ...tream reaching the atomizers The tank is constructed from 304L stainless material to help ensure rust free performance Note Mounting feet will accept up to a 1 2 in 12 mm diameter bolt Part No 437340 System Components 3 1 10 Page 1 1 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010032 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved 50 US Gallon 1...

Page 9: ... sent back to ANSUL for warranty replacement If the exter nal seal is broken the warranty is voided Note Use Flexible Discharge Bend Part No 427082 when attaching valve to supply pipe or manifold System Components 3 1 10 Page 1 2 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010033 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved CV 98 Valve Cylind...

Page 10: ...79638 Back frame assembly 2 cylinder 79639 Back frame assembly 3 cylinder 79640 Back frame assembly 4 cylinder 79641 Back frame assembly 5 cylinder 79642 Back frame assembly 6 cylinder 73257 Upright for 575 ft3 16 3 m3 cylinders used either for right side left side or center center upright required when connecting seven or more cylinders in a row 73553 Single row or back to back row bracket foot l...

Page 11: ...3 Form No F 2010034 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Multi Cylinder Single Cylinder UPRIGHT BACK FRAME CYLINDER CLAMP CARRIAGE BOLT WITH NUT RIGHT BRACKET FOOT LEFT BRACKET FOOT CHANNEL 002200 CLAMP WEIGH RAIL SUPPORT ...

Page 12: ...able depending on the type of hazard being protected Refer to the ANSUL Detection and Control Application Manual for detailed information concerning all AUTOPULSE Control Systems System Components 3 1 10 Page 1 4 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010035 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved AUTOPULSE Control System 002195 ...

Page 13: ...ion ______ _________ 17728 ANSUL AUTOMAN II C Releasing Device Shipping Assembly 35623 ANSUL AUTOMAN II C Explosion Weather Proof Releasing Device Shipping Assembly 24 VDC 32525 ANSUL AUTOMAN II C Explosion Weather Proof Releasing Device Shipping Assembly 120 VAC 32526 ANSUL AUTOMAN II C Explosion Weather Proof Releasing Device Shipping Assembly 240 VAC 423423 LT 10 R Nitrogen Cartridge Shipping A...

Page 14: ...bly LT 30 R 423423 LT 10 R Nitrogen Cartridge Shipping Assembly order separately 428449 TPED Approved LT 10 R Nitrogen Cartridge Shipping Asembly order separately 423435 LT 30 R Nitrogen Cartridge Shipping Assembly order separately 428441 TPED Approved LT 30 R Nitrogen Cartridge Shipping Assembly order separately Maximum Combined Length of Actuation Piping 1 4 in 1 4 in Stainless Steel Cartridge S...

Page 15: ...ec tric actuation is required on the 1 in selector valve 2 in selector valve or the CV 98 cylinder valve The actuator mounts directly to the component and then an HF electric actuator mounts to the top of the booster actuator The Booster Actuator requires resetting after actuation A Reset Tool Part No 429847 is available for this use 006037 Ø 2 50 3 025 1 1 4 18 UNEF 1 1 8 18 UNEF Component Materi...

Page 16: ...cations a manual local override valve actuator or a manual cable pull actuator can be installed on top of the HF electric actuator by removing the safety cap An arming tool Part No 75433 is required to reset the actuator after operation The actuator contains a standard 1 2 in threaded female straight connector for electrical conduit hookup Technical Information Nominal Voltage 12 VDC 0 57 amps Rat...

Page 17: ...d the ring pin is accidentally installed in the actuator Four actuators are available Each is designed for a specific component Note For use with systems without selector valves Lever Release Actuator Component Material Approvals All Manual Brass with UL Listed Cable pull Stainless Steel Pin FM Approved Actuators 3 7 8 IN 9 8 cm DEPTH 3 7 8 IN 7 6 cm 3 7 8 IN 9 8 cm 000897 Add 1 9 16 in 3 9 cm to ...

Page 18: ...d The discharge bend will withstand a pressure of 9000 psi 621 bar Its flexible connection allows for easy alignment of multiple cylinder banks to fixed piping Each bend has a built in check valve that prevents loss of agent should the system discharge while any cylinder is removed The equivalent length of this hose is equal to 18 ft 5 5 m of 1 2 in Sch 40 pipe Shipping Assembly Part No Descriptio...

Page 19: ...lling The swivel adaptor Part No 25582 provides a swivel connection which allows installation of the hose without twisting the hose System Components 3 1 10 Page 1 11 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010041 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Water Tank Pressurization Hose and Fitting 008472 008473 29 18 IN 74 1 cm Part No...

Page 20: ...d on every high pressure manifold where cylinders are connected The header vent plug must be installed on the cylinder sides of the check valves on both main and reserve systems to relieve any pressure that may leak past the check valve and accidentally actuate the reserve system while the main system is discharging Shipping Assembly Part No Description 437353 Header vent plug Component Material T...

Page 21: ...afety disc will rupture between 4000 4480 psi 276 309 bar System Components 3 1 10 Page 1 13 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010043 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Header Safety Burst Disc Shipping Assembly Part No Description 437218 Manifold Relief Valve Component Material Thread Size Type Approvals Manifold Relief V...

Page 22: ...ponents 3 1 10 Page 1 14 Actuation Components Shipping Assembly Part No Description 31809 Stainless Steel Braided Hose 16 in 40 6 cm Female to Female 32335 Stainless Steel Braided Hose 20 in 50 8 cm Female to Female 32336 Stainless Steel Braided Hose 24 in 60 9 cm Female to Female 73596 Stainless Steel Braided Hose 12 in 30 5 cm Male to Female 73597 Stainless Steel Braided Hose 16 in 40 6 cm Male ...

Page 23: ...lves Description Actuation line check valves are used to prevent actuation line pressure from unnecessarily pressurizing sections of actuation piping and preventing cylinder pressure from escaping through the actuation line relief valve Shipping Assembly Part No Description 25627 1 4 in Check Valve Female to Female 22522 1 4 in Check Valve Male to Male Part No 22522 008474 Part No 25627 008475 ...

Page 24: ...right 2010 Tyco Fire Suppression Building Products All rights reserved Relief Valve Description The actuation line relief valve allows excess actuation line pressure to be vented from the actuation piping Shipping Assembly Part No Description 13797 Safety Relief Valve 275 psi 18 9 bar 1 4 18 NPT Part No 13797 008476 ...

Page 25: ...ssion Building Products All rights reserved Vent Poppet Description The 2 Way Poppet Valve Part No 1732 allows the remain ing actuation line pressure to be manually vented from the actuation line prior to resetting and recharge of the system Shipping Assembly Part No Description 1732 Two Way Poppet Valve 1 8 in 27 Male NPT Part No 1732 008477 ...

Page 26: ...ssure switch can be installed either before or after the pressure reducer in the distribution piping Minimum operating pressure is 50 psi 3 5 bar Shipping Assembly Part No Description 46250 Pressure switch DPST Component Material Thread Size Type Electrical Rating Approvals Pressure Switch Switch Conduit Inlet 3 4 in NPT Female 2 HP 240 VAC FM Approved DPST BAKELITE Pressure Inlet 1 4 in NPT Femal...

Page 27: ... connect the 1 4 in pipe from the AQUASONIC system The pressure switch can be installed either before or after the pressure reducer in the distribution piping Minimum operating pressure is 50 psi 3 5 bar Shipping Assembly Part No Description 43241 Pressure switch DPDT Component Material Thread Size Type Electrical Rating Approvals Pressure Switch Housing Conduit Inlet 3 4 in NPT Female 10A 125 VAC...

Page 28: ...NIC system The pressure switch can be installed either before or after the pressure reducer in the distribution piping Minimum operating pressure is 50 PSI 3 5 bar Shipping Assembly Part No Description 42344 Pressure switch 3PST Component Material Thread Size Type Electrical Rating Approvals Pressure Switch Switch Conduit Inlet 3 4 in NPT Female 30A 240 VAC FM Approved 3PST BAKELITE Pressure Inlet...

Page 29: ...uel dump valves close fire dampers or close fuel supply valves The pressure trip is constructed of brass with two 1 4 in NPT fittings for connection to discharge or actuation lines The link on the pressure switch is released either pneumatically by agent discharge pressure or manually by use of the pull ring The link then releases the device which performs the auxiliary functions Note Operating pr...

Page 30: ...cts All rights reserved Water Tank Relief Valve Description The water tank relief valve Part No 436666 is a high flow relief valve that protects the water tanks from overpressur ization Only one relief valve is required in the water tank pressurization piping Shipping Assembly Part No Description 436666 1 2 in Safety Relief Valve 150 psi 10 3 bar CE marked 008479 ...

Page 31: ...stem Shut Off Valves Shipping Assembly Part No Description Material Approvals 472015 Ball Valve Assembly Brass FM 1 1 2 in NPT Approved Nitrogen Inlet 437347 Ball Valve Assembly Brass FM 1 2 in NPT Approved Nitrogen Inlet 008480 008481 Nitrogen Shut Off Valves Shipping Assembly Part No Description Material Approvals 435805 Ball Valve Assembly Brass FM 3 4 in NPT Approved Tank Valve 437341 Ball Val...

Page 32: ...System Components 3 1 10 Page 1 24 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010054 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Nitrogen Discharge Regulators Shipping Assembly Part No Description 437289 3 to 5 Atomizer Regulator 600 SCFM 1000 N m3 hour 437354 Replacement Inlet Filter 437290 6 to 15 Atomizer Regulator 1800 SCFM 3000 N m3 ho...

Page 33: ...r tanks can be pressurized with a single regulator Regulators must be piped in parallel to a common water tank pressurization manifold for systems requiring more than one regulator System Components 3 1 10 Page 1 25 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010055 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Water Pressure Regulator 007890 ...

Page 34: ...lation procedure found in the design section must be used to determine the required atomizer Note When ordering an AQUASONIC System the atom izer is based on selected orifice size System Components 3 1 10 Page 1 26 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010056 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Atomizer WATER INLET NITROGEN INL...

Page 35: ... actuation line and a mounting plate Actuation line pressure is regulated at 50 psi 3 4 bar Once activated the selector valves will remain open until the actuation line pressure is purged from the actuation line The solenoid is 24 volt DC 11 6 watts 0 48 amps Pneumatic Selector Valve Equivalent Length 3 4 in 66 5 ft 1 1 2 in 75 5 ft System Components 3 1 10 Page 1 27 TYCO FIRE SUPPRESSION BUILDING...

Page 36: ...lve has a 24 volt DC 11 6 watt coil that draws 0 48 amps The 1 1 2 in selector has a 24 volt DC 22 6 watt coil that draws 1 amp Each valve can be used for either water or nitrogen lines Electric Selector Valve Equivalent Length 3 4 in 66 5 ft 1 1 2 in 75 5 ft Shipping Assembly Part No Description 436957 3 4 in Electric Selector Valve 436958 1 1 2 in Electric Selector Valve 008483 4 3 8 IN 11 1 cm ...

Page 37: ...Components 3 1 10 Page 1 29 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010059 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Nameplate AQUASONIC System US ...

Page 38: ...omponents 3 1 10 Page 1 30 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010060 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Nameplate AQUASONIC System EMEA ...

Page 39: ...omponents and or remote pull stations to distinguish them from reserve system components The nameplate is furnished with four mounting holes for ease of installation Shipping Assembly Part No Description 41942 Nameplate MAIN Component Material Mounting Hole Size Approvals Nameplate Aluminum 13 64 in 0 52 cm FM Approved MAIN 5 1 2 IN 13 9 cm 4 7 8 IN 12 4 cm 1 7 8 IN 4 7 cm 2 1 2 IN 6 4 cm 5 16 IN ...

Page 40: ...compo nents and or remote pull stations to distinguish them from main system components The nameplate is furnished with four mounting holes for ease of installation Shipping Assembly Part No Description 41943 Nameplate RESERVE Component Material Mounting Hole Size Approvals Nameplate Aluminum 13 64 in 52 cm FM Approved RESERVE 5 1 2 IN 13 9 cm 4 7 8 IN 12 4 cm 1 7 8 IN 4 8 cm 2 1 2 IN 6 4 cm 5 16 ...

Page 41: ...de the hazard area to warn the personnel to vacate the hazard area when the alarm sounds The warning plate is furnished with four mounting holes for ease of installation The plate is constructed of aluminum Shipping Assembly Part No Description 437349 Warning Plate inside room with alarm Component Material Mounting Hole Size Approvals Warning Plate Aluminum 1 4 in 0 64 cm FM Approved WHEN ALARM SO...

Page 42: ...thout being properly protected The warning plate is furnished with four mounting holes for ease of installation Shipping Assembly Part No Description 437350 Warning Plate outside room Component Material Mounting Hole Size Approvals Warning Plate Aluminum 7 32 in 0 56 cm FM Approved WARNING THIS SPACE IS PROTECTED BY AN AQUASONIC FIRE SUPPRESSION SYSTEM WHEN SYSTEM IS DISCHARGED AS A RESULT OF FIRE...

Page 43: ...he gauge After verifying the pressure in the cylinder the handwheel is turned out closing the fill port and the assembly can be removed System Components 3 1 10 Page 1 35 TYCO FIRE SUPPRESSION BUILDING PRODUCTS MARINETTE WI 54143 Form No F 2010065 Copyright 2010 Tyco Fire Suppression Building Products All rights reserved Pressure Test Assembly Shipping Assembly Part No Description 427953 Pressure ...

Page 44: ...zes of 3 4 in 1 in and 1 1 2 in Shipping Assembly Part No Description 40852 3 4 in check valve 41470 1 in check valve 41463 1 1 2 in check valve Note For FM Approved systems each FM Approved check valve after discharge must be disassembled inspected for corrosion and wear replace gasket and parts as necessary and reassembled Equivalent Length Component Material Thread Size Type Body Type Approvals...

Page 45: ...he AQUASONIC Atomizer creates a conical spray pattern which has a diameter of approximately 36 in 0 9 m at a distance of 72 in 1 8 m and greater from the atomizer When sprayed within an enclosure the AQUASONIC Atomizer spray pattern expands slightly and the water droplets are primarily distrib uted circulated around the space through the high velocity atomizing media discharge As the high velocity...

Page 46: ...t and sidewall mounting positions are approved for volumes up to and including 36730 ft3 1040 m3 TYPICAL OPERATION SEQUENCE The AQUASONIC System has been designed to function automatically upon activation Upon opening the CV 98 valve assembly on the nitrogen pilot cylinders nitrogen gas is instantaneously supplied to the high pressure manifold which back pressure actuates the remaining cylinders T...

Page 47: ...lent national or international standards or have a fire resistant rating no less than 30 minutes The AQUASONIC System must be installed in a non corro sive environment the system may be installed in a weather proof enclosure for outdoor installations that will not fall outside the acceptable temperature range of 40 F to 130 F 4 C to 54 C Note If located outdoors a weather proof ANSUL AUTOMAN II C ...

Page 48: ...pass through the discharge may obstruct up to 42 of the cross sectional area of the discharge path See the calculation program Form No F 2009120 avail able on the ANSUL extranet See Figure 3 FIGURE 3 008254 General Information 72 IN 183 cm 28 Ø 36 IN 91 5 cm 7 5 IN 19 cm 24 IN 61 cm 24 IN 61 cm 24 IN 61 cm 24 IN 61 cm LESS THAN 1 FT 31 cm 1 FT 31 cm OR GREATER ALLOWED NOT ALLOWED 48 IN 122 cm 48 I...

Page 49: ...atomizer discharge area Obstructions may have either flat surfaces or curved surfaces that are convex but may not consist of a surface or group of surfaces that form a gutter or channel that would capture the flow of atomized water droplets See Figure 5 FIGURE 5 008256 Obstructions that are parallel to the direction of discharge such as a post beam or pipe may not be closer than 1 ft 30 cm from th...

Page 50: ...aximum Distance from wall wall spacing 3 ft 0 9 m minimum to 8 5 ft 2 6 m maximum Atomizers may be positioned in a uniform rectangular array or a uniform triangular array as shown in Figure 8 or a combination of uniform rectangular and triangular arrays Refer to Figure 8a and 8b for application of pendent constraints Sidewall Position For turbine enclosure heights of 6 ft 7 in to 26 ft 5 in 2 0 to...

Page 51: ... maximum and minimum distance The maximum rated area one atomizer can cover is 289 ft2 27 m2 This is equivalent to a 17 ft by 17 ft 5 2 m by 5 2 m square area The rated area coverage will be decreased as the ceiling height increases above 12 ft 8 5 in 3 9 m See the Design section in this manual for ceiling height calculation instructions Triangular Array FIGURE 8b 008507 A triangular array has a m...

Page 52: ...idewall Constraints Ceiling Height less than 16 ft 5 in 5 m and Opposing Wall less than 33 ft 10 m FIGURE 9a 008508 Ceiling Height less than 16 ft 5 in 5 m and Opposing Wall greater than 33 ft 10 m FIGURE 9b 008509 Ceiling Height greater than 16 ft 5 in 5 m and Opposing Wall less than 33 ft 10 m FIGURE 9c 008510 Ceiling Height greater than 16 ft 5 in 5 m Opposing Wall greater than 33 ft 10 m FIGUR...

Page 53: ...lower half of the room and will be vertically spaced between 6 ft 8 in 2 0 m and 17 ft 5 2 m apart The atomizers shall be located at a minimum of 3 ft 0 9 m below the ceiling and no less than 6 ft 8 in 2 0 m above the floor See Figures 9c and 9d For ceilings greater than 16 ft 5 in 5 0 m wall spacing requirements shall be observed by the set of atomizers in the upper half of the room as well as th...

Page 54: ...ws etc of the enclosure Note Where the maximum allowable wall strength is not known a conservative value of 5 pounds per squre foot shall be used Example For an enclosure containing 4 atomizers and a maximum allowable wall strength of 5 psf the free vent area is as follows 12 8 x 4 ________ 5 22 8 in2 The formula may be written as follows metric 57 248 x Na __________ A P Where A The Free Vent Are...

Page 55: ...its from the hazard on the sketches Record all dimensions for any structural objects such as beams or columns built in cabinets ducts etc which may allow a reduction of the hazard volume Identify anything unique about the hazard that would affect system design or installation Identify the hazards normal maximum and minimum ambient temperatures Will the hazard area be normally occupied Identify any...

Page 56: ...ices need to be shut down or started up Identify the number of contacts required Planning for Regulator Setting Procedure To adjust the regulator during the testing and placing into service procedures additional nitrogen cylinders will be needed to discharge nitrogen through the nitrogen piping of the system and the installed atomizers One nitrogen cylinder per installed atomizer is required to co...

Page 57: ...hazard in the example has dimensions of 22 ft 6 7 m wide x 32 ft 9 8 m long x 20 ft 6 1 m high The floor area is 22 ft 6 7 m x 32 ft 9 8 m which equals 704 ft2 65 66 m2 The volume is calculated by multiplying 704 ft2 65 66 m2 by the hazard height of 20 ft 6 1 m which equals 14080 ft3 400 5 m3 This hazard does not exceed the maximum hazard volume of 36730 ft3 1040 m3 STEP NO 2 DETERMINE THE MINIMUM...

Page 58: ...tlined in the Planning section of this manual determine the best location for the system s water and nitrogen supply STEP NO 5 SKETCH PIPE ROUTING Sketch the routing of the water and nitrogen piping based on the required location of the atomizers and the AQUA SONIC supply As accurately as possible determine the piping lengths and the number of fittings necessary in each piping routing Note Use the...

Page 59: ...ressure loss require ments will be the optimal size for system performance Below is an example of a typical calculation based on Figure 4 below Table 1 Equivalent Pipe Length in feet For Fittings Pipe 90 Elbow 45 Elbow Tee Size ft m ft m ft m _____ ________ ________ ________ 1 2 in 1 0 305 0 5 0 15 3 0 91 3 4 in 2 0 61 1 0 305 4 1 22 1 in 2 5 0 76 1 0 305 5 1 52 1 1 4 in 3 0 91 2 0 61 6 1 83 1 1 2...

Page 60: ...86 0 01391 0 01730 0 02103 0 02509 0 02947 0 03418 0 03921 0 04456 2 0 00874 0 01014 0 01163 0 01321 Pipe Size 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 2 0 00683 0 02467 3 4 0 00174 0 00628 0 01330 0 02267 1 0 00054 0 00194 0 00411 0 00700 0 01059 0 01484 0 01974 0 02528 1 1 4 0 00279 0 00391 0 00520 0 00666 0 00828 0 01006 0 01201 0 01410 0 01636 1 1 2 0 00185 0 00246 0 00314 0 00391 0 00475 0 00567...

Page 61: ...ength of 1 2 in elbow 1 ft 0 30m see Table 1 One elbow in Branch Line B 1 x 1 ft 0 30m equivalent length per elbow 1 ft 0 30m Equivalent length of 1 2 in tee 3 ft 0 91 m see Table 1 One tee in Branch Line B 1 x 3 ft 0 91 m equivalent length per side tee 3 ft 0 91 m 15 84 ft 4 828 m 1 ft 0 30m 3 ft 0 91 m 19 84 ft 6 047 m total equivalent feet of pipe Select the correct pressure from Table 2 for th...

Page 62: ...e two atomizers the pressure loss factor would be 0 10912 psi ft 0 02467 bar m see Table 2 Pressure loss for Branch Line E 22 26 ft 6 785 m of 1 2 in pipe x 0 10912 psi ft 0 02467 bar m 2 43 psi 0 168 bar 6f Size Piping and Calculate Pipe Pressure Loss PPL in Branch Line F Linear length F1 equivalent lengths of all fittings in each pipe line x pressure loss see Table 2 Pipe Pressure Loss PPL Examp...

Page 63: ...tank connection to the atomizers 12 ft 3 66 m vertical pipe rise from bottom of tank to tank connection piping 4 ft 1 22 m 16 ft 4 88 m of 3 4 in pipe To determine EHL multiply the total vertical pipe rise 16 ft 4 88 m by the constant 0 433 psi ft 0 0979 bar m EHL 6 93 psi 0 478 bar EHL 6 93 psi 0 478 bar 6j Calculate Total Atomizer Pressure TAP Total atomizer pressure is determined using the pres...

Page 64: ...072 m x 0 196 1 190 L total volume E 18 25 ft of 1 2 in linear pipe length x 0 0158 from Table 2 0 29 gal total volume 5 563 m x 0 196 1 090 L total volume F 2 92 ft of 1 2 in linear pipe length x 0 0158 from Table 2 0 05 gal total volume 0 890 m x 0 196 0 174 L total volume G 19 92 ft of 1 2 in linear pipe length x 0 0158 from Table 2 0 32 gal total volume 6 072 m x 0 196 1 190 L total volume A B...

Page 65: ... The maximum difference in pressure loss from the atomizer with the greatest pressure loss to the atomizer with the least pressure loss is 20 psi 1 4 bar Table 5 Equivalent Pipe Length in feet For Fittings Pipe 90 Elbow 45 Elbow Tee Size ft m ft m ft m _____ ________ ________ ________ 1 2 in 1 0 305 0 5 0 15 3 0 91 3 4 in 2 0 61 1 0 305 4 1 22 1 in 2 5 0 76 1 0 305 5 1 52 1 1 4 in 3 0 91 2 0 61 6 ...

Page 66: ... 06267 0 07932 0 09792 0 11849 0 14101 0 16549 0 19193 0 22033 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0 02893 0 11572 0 00796 0 03184 0 07164 0 12735 0 00773 0 01739 0 03092 0 04831 0 06956 0 09468 0 12367 0 00768 0 01365 0 02133 0 03072 0 04181 0 05462 0 06912 0 08534 0 10326 0 12288 0 00797 0 01085 0 01417 0 01793 0 02214 0 02678 0 03188 0 03741 0 04339 0 04981 Number of Atomizers Nitrogen Pressure...

Page 67: ...w 2 ft 0 61 m see Table 5 One elbow in Branch Line B 1 x 2 ft 0 61 m equiva lent length per elbow 2 ft 0 61 m Equivalent length of 3 4 in tee 4 ft 1 22 m see Table 5 One tee in Branch Line B 1 x 4 ft 1 22 m equivalent length per side tee 4 ft 1 22 m 15 84 ft 4 828 m 2 ft 0 61 m 4 ft 1 22 m 21 84 ft 6 658 m total equivalent length of pipe Select the correct pressure from Table 6 for the number of a...

Page 68: ...two atomizers the pressure loss factor would be 0 51192 psi ft 0 11572 bar m see Table 6 Pressure loss for Branch Line E 24 26 ft 7 394 m of 3 4 in pipe x 0 51192 psi ft 0 11572 bar m 12 42 psi 0 856 bar 10f Size Piping and Calculate Pipe Pressure Loss PPL in Branch Line F Linear length F1 plus equivalent lengths of all fittings in each pipe line multiplied by pressure loss see Table 6 equals Pipe...

Page 69: ...psi 0 856 bar Branch Line G 2 81 psi 0 193 bar 43 57 psi 3 001 bar total pressure loss to Atomizer 4 Atomizer 4 has the greatest lost and Atomizer 1 has the least therefore 43 57 psi 3 001 bar 40 41 psi 2 783 bar 3 16 psi 0 218 bar The maximum pressure difference of 3 16 psi 0 218 bar is less than the maximum difference allowed of 20 psi 1 379 bar therefore this pipe size and layout is acceptable ...

Page 70: ...ATION DRAWINGS The final step in the design of an AQUASONIC System is completion of installation drawings for submittal to the appropriate authority and the customer These drawings should include all details necessary for installation of this system Design ...

Page 71: ...cceptance steps stated in NFPA 750 Water Mist Fire Protection Systems Chapter 12 System Acceptance and FM Global Property Loss Prevention Data Sheet Number 4 0 Special Protection Systems NITROGEN CYLINDER INSTALLATION Nitrogen cylinders may be located inside or outside the protected space although it is preferable to locate them outside of the space They must not be located where they will be expo...

Page 72: ...nder Size Dimension A Dimension B cu ft cu m in cm in cm 570 16 1 38 1 2 98 26 7 8 68 A 5 IN 13 cm 12 IN 31 cm B FIGURE 2 001869 FIGURE 3 001870 Bracketing With Uprights Back To Back Bracketing Installation Nitrogen Cylinder Assembly Cylinder Size Dimension A Dimension B Dimension C cu ft cu m in cm in cm in cm 570 16 6 38 1 2 98 30 76 80 203 A C 7 1 2 IN 19 cm 12 IN 31 cm B ...

Page 73: ...tallation Bracketing With Uprights Double Row Back To Back Bracketing Installation Nitrogen Cylinder Assembly Cylinder Size Dimension A Dimension B Dimension C cu ft cu m in cm in cm in cm 570 16 6 38 1 2 98 56 3 4 144 80 203 FIGURE 4 003696 7 1 2 IN 19 cm 12 IN 31 cm B C A ...

Page 74: ... through the mounting feet on the water tank Tanks should be spaced at least 24 in 0 61 m apart to allow for access during installation operation and servic ing procedures Ensure that the floor is strong enough to support the weight of the water tanks The approximate weight of a filled water tank is 773 lb 351 kg See Figure 5 for installation details FIGURE 5 008517 ATOMIZER INSTALLATION Install a...

Page 75: ... from the pipe opening Note Do not allow tape to overlap the pipe opening as this could cause possible blockage of the gas pressure Thread sealant or compound must not be used 4 All pipe lengths are measured center to center of fittings 5 Size reductions can be accomplished with the use of reducing bushings reducing couplings reducing tees or reducing elbows Hanger Requirements 1 Selection and ins...

Page 76: ...E ANSI B16 11 2001 Forged Steel Fittings Socket Welding and Threaded for Class 3000 1 8 in through 4 in Diameter Pipe Fittings BS 3799 Specification for steel pipe fittings screwed and socket welding for the petroleum industry Installation of High Pressure Manifold and Regulators 1 Securely mount the high pressure manifold at the appropriate height as shown in Table 2 and Figure 8 Note Make certai...

Page 77: ...enitic Stainless Steel Tubular Products ASTM A789 A789 M Standard Specification for Seamless and Welded Ferritic Austenitic Stainless Steel Tubing for General Service ASTM A312 Standard Specification for Seamless and Welded Austenitic Stainless Steel Pipes MSS SP 114 Corrosion Resistant Pipe Fittings Threaded and Socket Welding Class 150 and 1000 BS 3799 Specification for steel pipe fittings screw...

Page 78: ...8521 Installation of Water Discharge Piping The water discharge piping connects the tanks to the atom izers according to the piping layout determined in the design of the system 1 Manifold the outlets of the tanks together using selected discharge pipe size as determined in the system calculations See Figure 11 2 Install water shut off valve to the outlet of the manifold Note For 3 4 in pipe use t...

Page 79: ...sed section of the supply manifold and cap the connection on the section that is used 3 Connect one nitrogen cylinder for each installed atomizer to the manifold section that is attached to the regulator With test cylinders securely mounted in brackets attach female end of flexible discharge bend onto test cylinder valve outlet Wrench tighten 4 Close the ball valve in the nitrogen pressurization l...

Page 80: ...h pneumatic valve actuation This can be accomplished by incorporating an AUTOPULSE Control System for the detection and an ANSUL AUTOMAN II C release for the pneumatic actuation 1 See the AUTOPULSE Detection and Control Systems Manual Part No 430261 for detailed installation instructions 2 Once the electrical portion of the detection system is completed mount the ANSUL AUTOMAN II C release in a co...

Page 81: ... and follow the instructions listed in Resetting the Booster Actuator 2 Hand tighten the actuator onto the cylinder valve See Figure 15 for installation details Installing the HF Actuator 1 Make certain the HF actuator is in the set armed position When in the set position the top pin will be flush with the top of the actuator If the actuator requires setting use the arming tool Part No 75433 and f...

Page 82: ...VDC ALARMS All alarms used with the ANSUL AUTOPULSE Control system require 24 VDC power See the Component Index in the AUTOPULSE Detection and Control Systems Manual Part No 430261 for description of available alarms 120 VAC ALARMS This type of alarm bell can only be utilized with an ANSUL AUTOMAN II C release It cannot be used on an ANSUL AUTOPULSE Control system To properly install the 120 VAC a...

Page 83: ...l operate alarms lights or turn equipment on or off Pressure switches can be piped off the AQUASONIC system nitrogen discharge piping downstream from the nitrogen discharge regulator or if the system utilizes an ANSUL AUTOMAN II C the pressure switch can be piped off the actuation line See Figure 7 1 Mount pressure switches in desired locations with appropriate fasteners 2 Install piping from main...

Page 84: ...SECTION V 3 1 2010 Page 5 14 NOTES Installation ...

Page 85: ...r Part No 31496 Explosion Proof version for detailed information PLACING IN SERVICE Completing the following steps will prepare the system for placing into service Complete each step as appropriate for the given system configuration Step No 1 Prepare System Actuation Devices ANSUL AUTOMAN II C Install nitrogen cartridge in ANSUL AUTOMAN II C release 1 Remove ring pin from strike button and open AN...

Page 86: ...attach visual seal Step No 2 Open Valves Make certain the red nitrogen line shut off valves and black water line shut off valves on the system are in the open position and sealed with visual inspection seals Step No 3 Nitrogen Cylinder Pressure Read each nitrogen cylinder gauge note pressure check ambient temperature and refer to Temperature Correction Chart in the Maintenance Section Step No 4 In...

Page 87: ...devices for damage dirt corrosion etc Check that the piping is secure and atomizers are in place Make certain the atomizers are not covered with dirt grease or paint Ensure dust caps are properly in place on the tip of the atomizers Make certain that there are no additional obstructions interfering with the discharge path beyond what was allowed in the original design Visually inspect all componen...

Page 88: ...SECTION VII 3 1 2010 Page 7 2 Inspection NOTES ...

Page 89: ...tomizer opening for mechanical damage corrosion or blockage Reinstall dust cap securely 3 Check piping and supports for mechanical damage or corrosion in accordance with NFPA 25 The Standard for the Inspection Testing and Maintenance of Water Based Fire Protection Systems or equivalent national or international standards Corrections and repairs shall be performed by an authorized ANSUL distributor...

Page 90: ...s on the system to ensure they will operate properly These may include maintenance switches abort switches main reserve switches etc When completed make certain they are all set in the correct position Note Before proceeding with Step No 12 make certain all electrical actuators have been removed from all cylinder valves and that the cartridge has been removed from the ANSUL AUTOMAN II C releasing ...

Page 91: ...UL AUTOMAN II C Release a Make certain ring pin is in place in ANSUL AUTOMAN II C release mechanism See Figure 2 FIGURE 2 001894 Maintenance 2200 2300 2400 2500 2600 2700 2800 2900 3000 3100 3200 3300 3400 0 18 20 7 40 4 60 16 80 27 100 38 120 49 140 60 160 71 CYLINDER PRESSURE psi bar NITROGEN CYLINDER TEMPERATURE T e m p e r a t u r e C o r r e c t i o n L i n e 234 228 221 214 207 200 193 186 1...

Page 92: ...ped on models LT 10 R Replace cartridge if weight is 1 2 ounce 14 2 g or more below weight stamped on models LT 30 R NOTICE If cartridge requires replacement order the appropriate Shipping Part Number as found in the Component Section of this manual m Make certain release mechanism is cocked and ring pin is installed screw replacement cartridge into release mechanism and hand tighten n Remove ring...

Page 93: ...r overshoot and decrease pressure to the desired set pressure Because the regulator relieves very slowly a proper adjustment will not be achieved If overshooting occurs rapidly turn the adjustment screw counterclockwise until the outlet pressure drops below the desired set pressure by at least 20 psi 1 4 bar and then begin increasing pressure to the desired set pressure n Allow the cylinders to fu...

Page 94: ...SECTION VIII 3 1 2010 Page 8 6 NOTES Maintenance ...

Page 95: ...al indicator by depressing it Electric Detection System ANSUL AUTOMAN II C RELEASING DEVICE For complete resetting instructions refer to Installation Operation and Maintenance Manuals Part No 17788 and 31496 If system was activated automatically and ANSUL AUTOMAN II C releasing device is not in the ARMED position complete the following steps 1 Pull ring pin from red strike button and open enclosur...

Page 96: ...E Recharge Water Tank Fill agent tank by completing the following steps 1 Disconnect union at top of tank and place funnel in opening or insert water hose 2 Fill water tank to bottom of collar Note Fill tank with clean debris free potable water de mineralized water is recommended 3 Clean fill opening threads and gasket seating surface 4 Inspect threads in union nut and on union coupling for nicks ...

Page 97: ...ipping cap from cylinder Retain cap for future use 10 Remove safety cap from each nitrogen cylinder valve Retain cap for future use 11 Connect high pressure hose to each nitrogen cylinder valve and wrench tighten 12 Reinstall 1 4 in actuation hose elbow and adaptor into pneumatic actuation port Remote Pneumatic Actuation If necessary install new cartridge in remote actuator by completing the follo...

Page 98: ...ard surface during the reset procedure The stem assembly on the top of the actuator must be able to extend above the top surface of the actuator to re cock If manual actuator is installed remove before re cocking 4 Do not reinstall actuator until booster actuator is reset Resetting the Booster Actuator The booster actuator must be reset after each use Do not attempt to reset the booster actuator w...

Page 99: ...selector valve for water A pneumatically operated 1 1 2 in selector valve for nitrogen Brass inlet and outlet piping with union couplings for both valves A regulator to control the pneumatic actuation pressure Actuation line connections and check valves A poppet style purge valve to relieve the actuation line pressure An over pressure relief valve for the actuation line A mounting plate Actuation ...

Page 100: ...o sizes are available 3 4 in NPT and 1 1 2 in NPT Either valve may be used for water or nitrogen as appropriate depending on the system pressure loss calculations FIGURE 3 008484 FIGURE 4 008483 5 1 8 IN 13 cm 8 IN 20 3 cm 16 7 8 IN 42 9 cm 9 1 2 IN 24 cm 7 1 2 IN 19 cm 3 5 8 IN 9 2 cm 18 3 8 IN 46 7 cm 2 1 2 IN 6 4 cm 2 3 16 IN 5 6 cm 3 4 IN 1 9 cm 1 IN 2 5 cm 2 7 8 IN 7 3 cm 1 3 16 IN 3 cm 1 15 ...

Page 101: ... system Note All standard calculations detailed in the design section of this manual must also be completed along with the following additional steps WATER CALCULATION PROCEDURE Piping and Fitting Notes 1 Lengths A B C D E F and G are determined by combining linear lengths of Schedule 40 pipe plus equivalent lengths of schedule 40 fittings 2 The volume of the manifold and all water branches up to ...

Page 102: ...psi ft 0 02267 bar m 11 07 psi 0 763 bar 6b Size Piping and Calculate Pipe Pressure Loss PPL in Branch Line B Linear length B1 and B2 equivalent lengths of all fittings in each pipe line x pressure loss see Table 2 Pipe Pressure Loss PPL Example 1 2 in Schedule 40 piping Length B1 9 25 ft 2 819 m B2 6 59 ft 2 009 m 15 84 ft 4 828 m Equivalent length of 1 2 in elbow 1 ft 0 30m see Table 1 One elbow...

Page 103: ...valent length per elbow 1 ft 0 30m 19 92 ft 6 07 m 1 ft 0 30m 20 92 ft 6 38 m total equivalent feet of pipe Select the correct pressure from Table 2 for the number of atomizers flowing through this pipe section Since there is one atomizer the pressure loss factor would be 0 03023 psi ft 0 00683 bar m see Table 4 Pressure loss for Branch Line D 20 92 ft 6 376 m of 1 2 in pipe x 0 03023 psi ft 0 006...

Page 104: ...0 012 bar Pressure loss in Branch Line G Step 6g 0 63 psi 0 043 bar Atomizer 1 Supply Line A 11 07 psi 0 763 bar Branch Line B 2 16 psi 0 149 bar Branch Line C 0 18 psi 0 012 bar 13 41 psi 0 924 bar total pressure loss in system Atomizer 2 Supply Line A 11 07 psi 0 763 bar Branch Line B 2 16 psi 0 149 bar Branch Line D 0 63 psi 0 043 bar 13 86 psi 0 955 bar total pressure loss in system Atomizer 3...

Page 105: ...ctor valve for hazard 2 40 17 ft 12 247 m total Branch Line B 15 84 ft 4 828 m of 1 2 in pipe Branch Line C 2 92 ft 890 m of 1 2 in pipe Branch Line D 19 92 ft 6 072 m of 1 2 in pipe Branch Line E 18 25 ft 5 563 m of 1 2 in pipe Branch Line F 2 92 ft 890 m of 1 2 in pipe Branch Line G 19 92 ft 6 072 m of 1 2 in pipe Table 4 Pipe Volume A 40 17 ft of 3 4 in linear pipe length x 0 0278 from Table 2 ...

Page 106: ...to 3 tanks NITROGEN CALCULATION PROCEDURE PIPING and FITTING NOTES 1 Lengths A B C D E F and G are determined by combining linear lengths of Schedule 40 pipe plus equivalent lengths of schedule 40 fittings 2 When calculating the acceptable system pressure loss combine the supply line A with the branch line either B and C or B and D or E and F or E and G that has the most pressure loss 3 The maximu...

Page 107: ...ee Table 6 You must also include the friction loss due to the 1 1 2 in selector valve which has an equivalent length of 75 5 ft 23 02 m of 1 1 2 in pipe See Table 5 Select the correct pressure from Table 8 for the number of atomizers flowing through this selector valve Since there are four atomizers the pressure loss factor would be 0 06040 psi ft 0 01365 bar m See Table 6 Pressure loss for Supply...

Page 108: ...able 6 Pressure loss for Branch Line C 6 92 ft 2 109 m of 3 4 in pipe x 0 12798 psi ft 0 02893 bar m 0 89 psi 0 061 bar 10d Size Piping and Calculate Pipe Pressure Loss PPL in Branch Line D Linear length D1 and D2 plus equivalent lengths of all fittings in each pipe line multiplied by pressure loss see Table 6 equals Pipe Pressure Loss PPL Example 3 4 in Schedule 40 piping Length D1 17 ft 5 182 m ...

Page 109: ...f 3 4 in pipe x 0 12798 psi ft 0 02893 bar m 2 81 psi 0 193 bar 10h Determine Maximum Pressure Difference Between the Atomizer with the Greatest Loss and the Atomizer with the Least Loss The maximum difference from the atomizer with the least loss to greatest loss is determined by combining the pressure loss calculated for the Supply Line A and the pressure loss from Branch line either B and D or ...

Page 110: ...nections and mounting dimensions Selector valves should be installed using the mounting bracket provided The actuation line from the selector valves must be connected to the appropriate solenoid valve on the actua tion line This allows actuation line pressure from the ANSUL AUTOMAN to be directed to the appropriate selector valve by the control panel See Figure 7 FIGURE 7 Additional connections ar...

Page 111: ...onfiguration from two to six cylinders FIGURE 1 008529 No of Weight Cylinders Item No Kg Lb ________ _______ _________ 2 311 006 011 7 2 15 8 3 311 006 012 10 7 23 6 4 311 006 019 14 3 31 5 5 311 006 021 17 9 39 5 6 311 006 029 21 5 47 4 CONTAINER BRACKETING DOUBLE ROW The racking is designed to securely fix a double row of containers to a wall or supporting structure It comprises mainly of two se...

Page 112: ...e 450mm 17 7 in bracket is used for a single row and the 600mm 23 6 in is used for a double row Two brackets are required per manifold each comprising of a cantilever bracket pipe clamp and fixing nut and bolt FIGURE 5 008533 Description Item No _________ _______ 450mm 17 7 in Cantilever 311 003 012 600mm 23 6 in Cantilever 311 003 018 1 in Pipe Clamp 311 002 011 INSTALLATION All installation are ...

Page 113: ...pace They must not be located where they will be exposed to a fire or explosion in the hazard When they are installed within the space they protect a remote manual control must be installed to release the system safely from outside the hazard area The cylinders should be installed so that they can be easily removed after use for recharging Cylinders must be installed indoors Do not install the cyl...

Page 114: ...r installation instructions including installation of water tank actuation piping atomizer etc refer to the Installation section of this manual European Cylinder Bracketing and Manifold Installation CAUTION Do not remove the safety shipping caps at this time They are provided to prevent accidental actuation and discharge during shipping and handling If valve assembly is accidentally operated veloc...

Page 115: ...serve may also consist of a back up water supply in the event that water service to the site is interrupted or not readily available Requirements To determine if a reserve system is required consult the FM Loss Prevention Data Sheet 4 2 Water Mist Systems Design and Installation When piping a connected reserve system the reserve supply must be segregated from the pressure of the main system This i...

Page 116: ...APPENDIX C 3 1 2010 Page C 2 Main and Reserve Systems NOTES ...

Page 117: ...which equals 3 35 atomizers Round up to the nearest whole number of 4 atomizers STEP NO 3 VERIFY ATOMIZER ARRAY PLACEMENT Sketch the locations and verify spacing requirements of all atomizers using the appropriate array Additional atomizers may be required if the spacing limitations are exceeded To determine the appropriate atomizer placement refer to the General Information section of this manual...

Page 118: ...to avoid obstruction by the ductwork Based on the room length a single row of atomizers spaced 7 ft 2 13 m apart is required with alter nating atomizers on opposing walls Hazard Example of Width Wise Discharge Array FIGURE 3 008547 C L 16 FT 4 88 m 16 FT 4 88 m 24 FT 7 32 m 24 FT 7 32 m 32 FT 9 76 m 7 FT 1 68 m 7 FT 1 68 m 6 FT 6 IN 2 m 5 FT 6 IN 2 13 m 5 FT 6 IN 2 13 m 8 FT 2 4 m 3 FT 0 9 m 3 FT ...

Page 119: ...In this particular example there is a ceiling height less than 16 5 ft 5 m and an opposing wall distance greater than 33 ft 10 m length wise but less than 33 ft 10 m width wise The atomizer placement strategy may be different depending on whether the discharge is length wise or across the width of the room In either case all the atom izers must be in the upper half of the room at least 3 ft 0 9 m ...

Page 120: ...ing between atomizers of 6 ft 1 83 m and a spacing between the atomizers and the ducts of 3 ft 0 9 m The vertical positioning of the atomizers above the turbine must be high enough to avoid direct impingement on the housing however the atomizers toward the end of the room may be placed as low as possible Hazard Example of Width Wise Discharge Array FIGURE 6 008549 Typical Examples C L 16 FT 4 88 m...

Page 121: ... the General Information section of this manual There are four different cases to choose from for sidewall mounted atomizers In this particular example there is a ceiling height greater than 16 5 ft 5 m and an opposing wall distance less than 33 ft 10 m Therefore half of the atom izers must be in the upper half of the room and half of the atomizers must be in the lower half of the room The upper a...

Page 122: ...e run off that could leak between seams in the insulation and come in contact with the turbine housing Atomizers must be a minimum of 3 ft 0 9 m from the adjacent wall and the centerlines of discharge must be a minimum of 3 ft 0 9 m apart Hazard Example Of Length Wise Discharge Array FIGURE 9 008551 This arrangement does not allow for a great deal of flexibil ity when re positioning atomizers to a...

Page 123: ...3 which equals 7 84 atomizers Round up to the nearest whole number of 8 atomizers STEP NO 3 VERIFY ATOMIZER ARRAY PLACEMENT Sketch the locations and verify spacing requirements of all atomizers using the appropriate array Additional atomizers may be required if the spacing limitations are exceeded To determine the appropriate atomizer placement refer to the General Information section of this manu...

Page 124: ... Discharge Array FIGURE 11 008552 This arrangement still allows for the re positioning of atom izers to avoid obstructions Typical Examples C L 24 FT 7 32 m 24 FT 7 32 m 30 FT 9 15 m 30 FT 9 15 m 40 FT 12 2 m 12 FT 3 7 m 7 FT 2 1 m 7 FT 2 1 m 3 6 FT 1 1 m 3 6 FT 1 1 m 5 FT 1 52 m 7 FT 2 1 m 6 8 FT 2 0 m 16 FT 4 9 m ...

Page 125: ...s are exceeded In this example it appears that a 2 x 2 rectangular array is the most appropriate arrangement Typical uniform spacing of a rectangular array produces an atomizer spacing L that is determined by the dimension of the room divided by the number of atomizers in that direc tion and a wall spacing that is 1 2 of L In this case the width of the room is 33 ft 10 06 m divided by two atomizer...

Page 126: ... ft 2 2 35 ft 2 2 578 5 ft2 10 06 m 2 2 10 67 m 2 2 53 76 m2 then take the square root which equals 24 ft 7 33 m and the distance from the center atomizer to the corner atomizers is 15 2 ft 4 63 m which was calculated previously The ratio for the similar triangles is therefore 15 2 ft 24 ft 0 63 4 63 m 7 33 m 0 63 Using the ratio of 0 63 the distance from the center of the room to the atomizer loc...

Page 127: ... determined by the dimension of the room divided by the number of atomizers in that direc tion and a wall spacing that is 1 2 of L In this case the width of the room is 32 ft 9 76 m divided by two atomizers in that direction which equals 16 ft 4 88 m The spacing from the wall in this direction will be 16 ft 4 9 m divided by two which equals 8 ft 2 44 m The length of the room is 38 ft 11 59 m divid...

Page 128: ...a per atomizer of 174 90 ft2 16 25 m2 which equals 7 atomizers STEP NO 3 VERIFY ATOMIZER ARRAY PLACEMENT Sketch the locations and verify the spacing requirements of all atomizers using the appropriate array Additional atomiz ers may be required if the spacing limitations are exceeded Note Whenever a hazard may require five or more atomiz ers where the total floor area is less than 1 681 ft2 156 25...

Page 129: ...EP NO 1 DETERMINE THE FLOOR AREA AND GROSS VOLUME OF THE ROOM The floor area is 32 ft 9 76 m x 52 ft 15 85 m which equals 1 664 ft2 154 67 m2 The volume is calculated by multiplying 1 664 ft2 154 67 m2 by the hazard height of 15 42 ft 4 70 m which equals 25 659 ft3 726 6 m3 This hazard does not exceed the maximum hazard volume of 36 730 ft3 1040 m3 STEP NO 2 DETERMINE THE MINIMUM NUMBER OF ATOMIZE...

Page 130: ... of the similar triangles is determined by the distance from the center atomizer to the corner atomiz ers divided by the distance from the center of the room to the corners of the room The distance from the center of the room to the corner is the square root of width 2 squared plus the length 2 squared In this case the distance from the center of the remaining area to the corners of the remaining ...

Page 131: ...er of atomizers required is 1 197 ft2 111 26 m2 divided by 153 04 ft2 14 23 m2 equals 7 82 atomizers Round up to the nearest whole number of 8 atomizers STEP NO 3 VERIFY ATOMIZER ARRAY PLACEMENT Sketch the locations and verify spacing requirements of all atomizers using the appropriate array Additional atomizers may be required if the spacing limitations are exceeded In this example two different ...

Page 132: ...ally by drawing a line across the room at the 26 25 ft 8 0 m across the width of the room Draw diagonals from the corners and then draw a circle of radius L 12 23 ft 3 73 m centered at the intersection of the diagonals An atomizer is then located at each of the intersections The pattern of eight is then complete by adding another three atomizers spaced the same as the first five If this is done ri...

Page 133: ...APPENDIX D 3 1 2010 Page D 17 ATOMIZER ARRAY CONFIGURATIONS This section is provided to illustrate typical atomizer array configurations as well as possible cylinder arrangements 008566 Typical Examples ...

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