to the user manual. - Fume Hood Monitors & Alarms
Contents
1. Install the Static Pressure Probe The included static pressure probe is suitable for ducts 8 diameter and larger It should be located at least one duct diameter above the fume hood in a straight section of ducting Drill a 5 16 diameter hole in the duct above the fume hood Install the static pressure probe in the duct using the included foam rubber gasket and self drilling sheet metal screws Attach the 1 4 polyethylene hose from the fitting on the static pressure probe to the LOW port on the pressure switch using the included adapter Ensure that the hose is not allowed to chafe on any moving parts including the sash counterweight and cables or chains Leave the high port open If the pressure switch is located in a space that is not at the Same pressure as the laboratory then connect suitable hose to the HIGH port and run this hose into the laboratory space Adjusting the alarm set point The ASP XPA1 Airflow Monitor must be calibrated before first use and checked regularly thereafter Fume hoods vary in design and performance Because each hood installation and its airflow pattern is unique this monitor must be calibrated in the field on the fume hood in which it is installed WARNING Calibration of this instrument should only be performed by qualified personnel Proper guidelines for monitoring any ventilation apparatus are established on the basis of toxicity or hazards of the materials used or the operation conducte2. All items must be mounted such that moving parts like the sash sash counterbalance chain or cable do not rub against them Generally speaking it is not acceptable to penetrate the fume hood liner when mounting these items consult the fume hood manufacturer if in doubt All items must be accessible for servicing in the future Mount the control box The control box should be securely mounted on the roof of the fume hood using suitable fasteners Mount the Pressure Switch The pressure switch should be securely mounted in a vertical position using suitable fasteners in accordance with the included instruction sheet also available as Appendix A in this manual Mount the Operator Display Unit The operator control panel is designed to be mounted to the face of the fume hood and should be accessible to the operator of the fume hood at all times A moderate amount of ambient light is needed to provide access to the test reset function A bracket is provided for the installation of two 8 sheet metal screws which should be oriented at the top The conduit entry should be at the bottom and normally an elbow is used to allow the explosion proof cable to enter the hood side wall for routing to the main control panel Mount the Buzzer The buzzer should be securely mounted to the roof of the fume hood using suitable fasteners Details on the buzzer are available in Appendix B Wiring Wiring must be performed by a licensed electrician in a manne
3. SPECIFICATIONS Wetted Materiae orisi T aS 1471 1708 Note et pret 18 4 4 b LA T mem E MITE adu i AJ Sreneuve Limite 4 457241 41 AT Enclosure Rating 5 54 MNA 7 ami Switch Type ry E Power Requirements c T P 4 ZM e EUA LY Dectrncal Cormmecihona i609 oo She Process Common n NST Mounting Orientation 4 0570 yom o poster rae I TOV We kius DOPO OE Set Point Adjustment c pe on top of oon Weight ri 4544 Phone 21 075 8000 Fax 2140724067 Pro entr page 14 C Vecuum et Redo pressum lt comed qute hom source dl va izan to low pressure port Me Meg ponuro port h wit open to strmon phane sien Y crews bore tte comm and to captive d angle mp by and AC up enn gt cot COM NO NC 7C ang C See P AL Ke comec dt q oy nej and DC sup ply As correcta to the unt ane provided by maan ot ter mna treated CON NO NC m Ba The Contacts spe nih prices xd a pede eter ba rna Switch leech tw mode vhouk not exceed Te aTa speched Curse ramos ss sated on page 1 For ATEX amd JECEx comps gt gt frp en pris PM as ondo ed ar VC shall be weed The cable esc e be of cortes farmepeoot Type tabs for the Of use and be conect y rg Cincai Mo ECE TSA 08 DOQUE ds con a safe use ka MCA Complent units Seth capat tt iin MIHI lig H SEMI ii Explosion Proof Alarm XPA1 Rev 1 Feb 2011 pase 15 Appendix B MODEL 35
4. Upon restoring the airflow to the normal level drop the sash down to reset the alarm to a non alarm status and then return the sash to the working height The green LED should remain lit 8 Verify the alarm setting by establishing a low flow condition as in step 4 If the alarm does not activate repeat steps 5 through 8 Operation During normal operation the static pressure alarm operator display panel should give a green indication This indicates that the pressure switch is sensing negative pressure in the fume hood exhaust duct in the normal range as established by the calibration procedure While the unit is indicating in the green the audible and visible alarm may be tested by momentarily covering and uncovering the light sensor within one second The indicator lights will flash and the audible alarm will sound twice In order to provide access to other functions this test may be performed only once every 30 seconds Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page In the event that the alarm sounds it is generally because a loss of static pressure has been detected in the fume hood exhaust At this time the fume hood sash should be lowered to re establish adequate static pressure If the alarm does not reset it is likely that the exhaust system has failed Stop using the fume hood for active experiments close the sash and evacuate the laboratory if the chemicals or fumes pose an immediate hazard If the low flow condit
5. Use Ge rear enclosure of the 3S0WEX as a template and mark Ge locanca of the mounting ears ca the moumag surface Secure de 350W BX to the mounting surface with wer supphed fasteners suitable for De mourning surface 2 Sec figure Remove and petam the four screws which socure the bom to the rear raclovare Rorarve the bom from the rear encloware rca UT uenia USS ees page 17 V Attach the supply wares to the tormenal block a shows im figures 2 and J The termunal block is capable of accepting both solid sed stranded wire witht Ge range of DO AWG 5 27 men q 190 20 AWG 00 52 zam sq Whee vung stranded ware essere that the strands of the wire are tamded together price to zmerting Gem imo the terminal block 4 Reamemble he born to the rear enclosare wang the peeveredy removed screws WARNING The device must be kept tighth chewed while the cancusts aec onergized SAFETY MESSAGE TO MAINTENANCE PERSONNEL Read and undersnd all sastrucsoes teore performing any mamenanoe to dus umit To seduce the risk of eleconcal shock of igni ed hazardous samospheres de tit perform masters e service on thn device when coca age energized Optienen sound dovtrihabon wall be reduced if the speaker becomes clogged with a forage substance Penodx checks should he performed to ensure foreign substances are pot packed unto the speaker Any mantenance V be warnasg system mest be performed bv a munad eecincian in accordance with a applicab e national and local
6. The box contains the following items Control Box including main circuit board Operator Display unit Dwyer 1950G explosion proof pressure switch Static pressure duct probe tube 15 feet of polyethylene tubing Federal Signal explosion proof horn model 350WBX 120 for Class 1 Div 2 compliance or model 31X 120 3 for Class 1 Div 1 compliance Installation Installation consists of the following general steps Mount the control box Mount the pressure switch Mount the operator display unit Mount the buzzer Wire the control box to the operator display panel Wire the control box to the pressure switch Wire the control box to the buzzer Wire 120v mains supply to control box The following steps must be completed after the hood has been installed and the exhaust system is operational and both exhaust and supply airflow for the laboratory has been properly balanced e Install the static pressure probe in the duct above the fume hood e Connect tubing from the low pressure port on the pressure switch to the static pressure port Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 2 e Verify hood flow and adjust the pressure switch to the minimum setting which maintains a green indication Detailed Installation Instructions In most cases it will be expedient to pre assemble some or all of the wiring on the bench before mounting the enclosures to the fume hood therefore the sequence of work listed below may be modified as needed
7. codes amd standards in the country of we Newer alter the usi sa amy manner Safety harsedoss locations may be endangered if additional opemiags or aherabons are mode in unis specificalh deagned for me in these kocamom The meneplate which may contare Caution ce other mloemanca of umportarce lo marsiemiesce personae should aot be obscured of the exienor o houungs aec peared Failure to follow all safety precaution and zisiructuot siey tevih in property damage ser inpary or death to you or others C Anditility and Electrical Ratings VORTAGE CURRENT AMPS Ur db dp 120 01502 sa en 100 4 230 240 0 09 so 66 100 na MEASURED ON AXIS AT TEN FEET 3 METERS IN AN ANECHOU CHAMBER UNDERWRITERS LABRATORIES OMNIDIRECTIONAL SOUND PRESSURE D Agency Approvals Thr product bas been cvaluned am approved by Unsderwnters Laboratories iac for the me in the followung lt Lasa od barsedre locates Cs L Deco 2 Grup A I C D Class 1 Zone 2 Group HC Chew II Deven 2 Groups F G Chs Ill n E A E page 18 Lessesessa 290432358 English A AC input power B Standard AC horn wiring C L phase D N neutral Espanol A Potencia de entrada CA B Cableado estandar CA la bocina C L fase D N neutral Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 20 290432378 English A Phase L B Ground C Neutral N Espa ol A Fase L B Tierr
8. 0WBX INSTALLATION INSTRUCTIONS FOR VIBRATOYE HORN MODEL 350W BX MODELO 350WBX INSTRUCCIONES DE INSTALACION PARA LA HO EN 4 VIBRATONE MODELO 350V BX MODELE 350WBX INSTRUCTIONS D INSTALLATION POUR LE KLAXON VIBRATONE MODELE J50W BN Address all communications amd shupenenas to Dinga todas la correspondencia y nx3os a dressez toutes los comavamations lt exp ditions FEDERAL SIGNAL CORPORATION Electrical Products Division 2645 Federal Signal Drive University Park IL 604646 3195 Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 16 INSTALLATION INSTRUCTIONS FOR VIBRATONE HORN MODEL 35098 EX SAFETY MESSAGE TO INSTALLERS NOTE INSTALLATION MAINTENANCE AND DISPOSAL OF THIS PRODUCT MUST BE CARRIED OUT IN ACCORDANCE WITH NATIONAL CODES AND STANDARDS hi is importara to follow all ustracnoes uppod with thr product This device is to be sastalled by a maised electricas who is Goroeghly famibar vith mad wall fellow all applicable nanocal and local codes in Ge country of uve The selection of the mounting bloxaton for the device st controls and the routing of the winng is to be accomplished under the deection of the Facikoes Engineer and the Safety Engncer In addition bated below are some other important safety uistructions and precestiom vou should follow Read aad underuaad all instructions before insallag of operating thes equipisent Do mot commect this umt to the system when power is on Optom sou
9. Static Pressure Alarm For Hazardous Location Fume Hoods Model ASP XPA1 120V 15A 60 Hz Contents General Description Contents of box Installation Adjustment Operation Safety Specifications Warrantee statement Components Represented By Holland Safety Equipment 726 McKinley Ave Libertyville IL 60048 Phone 847 680 9930 www hollandsafety com Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 1 General Description Intended for use in laboratories that are classified as a hazardous location the explosion proof low pressure alarm provides continuous monitoring of the negative static pressure in the fume hood exhaust duct During normal negative static pressure conditions the alarm illuminates a green indicator LED When static pressure in the exhaust duct is insufficient an audible alarm sounds and a red LED indicator illuminates To maintain the integrity of the certified explosion proof instrument enclosure the functionality of the test reset button is performed using a light sensor Covering the light sensor momentarily acknowledges the alarm and silences the horn for 10 minutes During periods of darkness the alarm functions normally but the test reset function is unavailable An output relay is provided to signal a remote alarm if needed All electrical housings are UL or FM approved for Class 1 Div 1 Groups B C and D Standard buzzer is Class 1 Div 2 optional buzzer is Class 1 Div 1 Box Contents
10. a C Neutral N Francais A Phase L B Terre C Neutre N Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 21 FEDERAL SIGNAL CORPORATION Electrical Products Division 8435A3536E Rev E Printed 6 04 Printed in U S A EXTERNAL VOLUME ADJUSTMENT FOR THE MODEL 350 VIBRATORY HORN NOT FOR USE WITH THE 450 VIBRATORY HORN Vibratory horns are shipped with the volume set for maximum sound output However the sound level can be reduced to any desired level with the 3 32 hex socket set screw provided If the hom is a Model 350 install the screw at the location shown in the figure Before installing the set screw thread hex washer head thread forming screw into the appropriate hole on the front of the hom Remove the thread forming screw and thread the set screw into the threaded hole Use 332 hex key wrench to rotate the set screw clockwise until the desired sound level is reached age 22
11. d within the ventilation apparatus Personnel calibrating the ASP XPA1 must be completely aware of the regulations and guidelines specific to its application If you need a reference on performing traverses on fume hoods please consult the latest edition of ASHRAE 110 Method of Testing Performance of Laboratory Fume Hoods section 6 2 Face Velocity Measurements Tools Required 1 Calibrated thermo anemometer rated for hazardous environments 2 Small slotted screwdriver Procedure 1 Double check installation to verify that the monitor power supply and any ancillary equipment are properly installed 2 Allow at least 10 minutes for the pressure switch to warm up 3 Determine the alarm set point This is the condition where the monitor will indicate a low flow condition The red LED on the Operator Panel will light at this point Consult the facility s Industrial Hygiene Officer for the proper set point Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 6 NOTE This device senses the duct static pressure Different hoods may require different duct static pressure to generate the same face velocity 4 Set the sash at the working height and adjust the fume hood airflow to the low alarm set point as determined in step 3 above One method is to close the volume damper if available in the ductwork This damper must be downstream of the static pressure probe WARNING This method is only used as a temporary means of setting the low
12. er warranties and is subject to the LIMITATIONS stated herein NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE TO THE EXTENT PERMITTED BY LAW THE EXCLUSIVE REMEDY OF THE USER OR BUYER AND THE LIMIT OF THE MANUFACTURER S LIABILITY FOR ANY AND ALL LOSSES INJURIES OR DAMAGES CONCERNING THE GOODS INCLUDING CLAIMS BASED ON CONTRACT NEGLIGENCE TORT STRICT LIABILITY OR OTHERWISE SHALL BE THE RETURN OF GOODS TO THE MANUFACTURER AND THE REFUND OF THE PURCHASE PRICE OR AT THE OPTION OF THE MANUFACTURER THE REPAIR OR REPLACEMENT OF THE GOODS IN NO EVENT SHALL THE MANUFACTURER BE LIABLE FOR ANY SPECIAL CONSEQUENTIAL OR INCIDENTAL DAMAGES THE MANUFACTURER SHALL NOT BE RESPONSIBLE FOR INSTALLATION DISMANTLING OR REINSTALLATION COSTS OR CHARGES No Action regardless of form may be brought against The manufacturer more than 12 months after a cause of action has accrued The goods returned under warranty to the manufacturer s factory shall be at Buyers risk of loss and will be returned if at all at the manufacturer s risk of loss Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY which contains the complete and exclusive limited warranty of MANUFACTURER This LIMITATION OF WARRANTY AND LIABILITY may not be amended modified or its terms waived except by writing signed by an Officer of MANUFACTURER Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 9 Compone
13. flow set point Make certain that airflow is restored to the proper level after calibration 5 Using a properly calibrated thermo anemometer determine the velocity through the face of the hood by taking a detailed velocity traverse Divide the face area of the hood into equal partitions One reading per square foot of face area is recommended for an accurate traverse Compute the average velocity for this area Temporarily adjust the airflow of the fume hood as in step 4 above until the average face velocity is near the desired low flow alarm set point NOTE The pressure switch response time may be as long as 10 to 25 seconds when the applied pressures are near the set point 6 If the red LED is initially lit slowly turn the adjustment screw on the pressure switch clockwise until the green LED lights and then slowly turn the adjustment screw counter clockwise until the red LED again lights If the green LED is initially lit slowly turn the adjustment screw on the pressure switch counter clockwise until the red LED lights IMPORTANT To allow for the delayed reaction of the pressure switch these adjustments must be made in small increments at intervals up to 25 seconds each 7 Restore normal airflow to the fume hood NOTE Due to the hysteresis of the pressure switch the sash of the fume hood may need to be nearly closed to generate sufficient duct static pressure to reset the pressure switch to a good flow green LED lit condition
14. ion is expected and no hazard is present in the hood such as during experiment set up or tear down then the alarm may be temporarily silenced by momentarily covering and uncovering the light sensor The temporary muting of the alarm will last for approximately 10 minutes after which time normal operation will resume In the event that the fume hood will be decommissioned for an extended period of time the alarm can be permanently muted by covering and uncovering the light sensor seven to eight times within a 30 second period Successful completion of this procedure will result in both red and green LED s flashing three times While the audible alarm is muted the green or red led will be flashing as opposed to solid The same procedure will re enable the audible alarm If the power supply to the alarm is interrupted then it will reset to normal operation Safety Before opening unit for servicing ensure no hazardous or explosive fume are present disconnect power and lock out Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 8 Specifications Voltage Frequency Current Mains Breaker Mounting Alarm Pressure Range Alarm relay output Visual Indicators Audible Indicator Horn Silence User Input Wiring method Calibration Agency Listings Warranty LIMITATION OF WARRANTY AND LIABILITY 120VAC 60 Hz 1A Switch Breaker 15A Surface Mount 0 07 to 0 15 inches water Normally open and Normally closed
15. nd doatnbutsa will be severely reduced sf any objects are in boni of Ge epeaker You should enware that the Sost of he speaker m cheat of any oburaceonm All effective warning homs produce loud sound whach mav cause in cermin siais permanent bearing loss The device should be imstalled far cnowgh amar from poseatial listeners 00 lumen thea exposere while still mamamng us effectiveness Namonal Notse Standards such m The OSHA Code of Federal Regulations 1910 95 in the Lineted States provade guidelines whack man he used regarding pomusdble prse expousre levels After umtallabnn envare that all gsoenititg cre kave heen tightened Establish a procedure to routinety check the sound system for proper acinanon and operation Provide a copy of these amstructiogs to the Safety Eagsseer operators and maintenance personal File these izmetom in a sade place aad sefer to them uben mustang and or rcamtalleg the devwe Failure to follow all safety precautiom and inuracnom mav result m pooperty damage serious myer or death to vos oc others A Introduction 1n E installation it n recommended that the electrical wireg do the unstallation ste be complciod before the heen y sosnted nstallatons ate subject to nanoeal and local electracal and fire codes and tanek B Installation WARNING Do pot consect wipes when power 11 on The 340WBX is gasketed and has two 34 14 NPT and one 12 14 NPT tapped openings to accozamodate supply connactrons
16. nts Operator Panel Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 10 Main Control Box and Cover Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 11 Pressure Switch Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 12 Buzzer Static Pressure Probe Explosion Proof Alarm XPA1 Rev 1 Feb 2011 pase 13 Appendix A h Ine rv p he und I CSA FM Le ky ue m OUN A i 1 i 1 A Ms on TAE wii vi Due tM i4 ATI mA a ce Ji yo m H It cortan Fs Ha Ia wes ye Avision 7 a TAN fu o oae LE vx aa rox ae wu DON i meh Wi 7H mmm UH 1 m v n i ry h ir Bias 44 f Anad von 1 m O t 4 T Wu j 1 k A ai ius 4 a wu A May T I fu i E 4 n D p AV CUTE UO k 2 raw i 1 ote S ft wy HW eo PF core i 14 1 n pn J Tw DWYER INSTRUMENTS INC PO Box 373 Michigan City IN 46361 0373 U S A Specifications Installation and Operating Instructions Explosion Proof Alarm XPA1 Rev 1 Feb 2011 UL CSA FM Listed For RA nci LACAN Bm ED sad 9 HIC Es 2 ye vermieste Number VI AF Lx2402 5 g E ENOO i i Lg Meir by T a 4 4 td i E I i i i ba s 141 fia ran r Sodi etter 24 io 24 VOC v 170 WAC 248 lor 740 VAC stan ordareg zavgu 1980G00 0 1 20 MI NA Pa or models wt LIL CSA and V ar vrt isro 1550G 00 8 120 MA Ac TU fts foi Pee Mach ame E CE ca Wes wt EC ee etr ho e A
17. r acceptable to the local authorities and in accordance with the most recent edition of the National Electrical Code In general type MC HL cable and listed glands can be used but in some cases rigid conduit and listed sealing fittings will be required 14 gauge wire is recommended for connection between the control box and the buzzer and the pressure switch The connection between the Control Box and the Operator Display Unit is low voltage and lighter gauge wire may be used if available The alarm system should be connected to a dedicated 15A 120V circuit Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 3 Figure 1 shows connections that must be made Ground wires are not shown note that ALL BOXES must be grounded in accordance with the NEC and local codes For alarm configurations making use of the remote alarm output it is necessary to connect the main control box to another junction box using a short length of multi conductor cable or conduit with appropriate seals This will allow for the connection of the additional cables needed to implement the remote alarm feature After wiring each housing including circuit boards must be re assembled exactly as they were and covers must be installed and tightened Explosion Proof Alarm XPA1 Rev 1 Feb 2011 page 4 L 3YN913 HOLIMS IUNSS3ud s A kulis MIZI 37109134 YOLO QHVOS8 NIVIN CYVOES AV IdSIO pase 5 Explosion Proof Alarm XPA1 Rev 1 Feb 2011
18. volt free contacts Contacts rated 0 5A at 125 VAC 1A at 24 VDC Green LED static pressure OK Red LED static pressure FAIL Intermittent Buzzer 94 dB at 10 feet Temporary with 10 minute self reset Permanent until re enabled or power cycle Alarm is silenced and tested through the use of an ambient light sensor located behind sealed window in explosion proof housing Installer supplies explosion proof wiring materials and glands Single point pressure setting All housings FM or UL listed Specifications subject to change without notice The Manufacturer warrants the goods sold hereunder under normal use and service as described in the operators manual shall be free from defects in workmanship and material for TWELVE 12 months or the length of time specified in the operators manual from the date of shipment to the customer This warranty period is inclusive of any statutory warranty This limited warranty is subject to the following exclusions e The manufacturer does not provide additional warranty on major components manufactured by others only the original manufacturer s warranty applies Unless specifically authorized in a separate writing by manufacturer the manufacturer makes no warranty with respect to and shall have no liability in connection with goods which are incorporated into other products or equipment or which are modified by any person other than the manufacturer The foregoing is IN LIEU OF all oth
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