3M™ Overhead Air Ionizer
Contents
1. 3M Overhead Ionizing Blower 991A User s Manual January 2014 78 9101 8683 8 Important Safety Information Carefully read the following safety information before installing or operating the equipment Failure to follow these safety warnings could result in damage to your ionization system and or voiding the product warranty e This unit is supplied with a 3 prong grounding plug which must be inserted in an appropriate properly wired and grounded receptacle Do not defeat the electrical ground grounding and proper wiring are required for proper operation e Keep the unit dry Do not operate the ionizer in a flammable volatile or explosive atmosphere e Do not insert objects through the unit s intake or outlet grilles Damage to the ionizer and or personal injury may result e Do not ground or make electrical connections of any kind to the unit s metal fan guards located on the intake and output e A factory qualified service technician must perform component service and repairs Please contact 3M Customer Service for information Contents EOD SPION erent reer te esterase renee PRT eave ASNT ROPE RO REA TR ACR PT OR eA RE 1 LOM Overhead 1omizinie lO Wer 9TA enoten ar a akao kaa ogr ao ag eaaeo aeg aaaeeeaa a aaora ona 2 EE Sn a A E E EE E cee oe A E E E A ate los A A A ceva sles A E A E eonenes 3 20 AAAS TANT OID senie a cs tina annotate ei ern eemna 5 Des Ve NSA AC MIN Go eases Sac detaches tac uc uated E E adi ead ate2. 5 3 Parts amp Accessories Parts and Accessories 80 0014 0216 5 3M Overhead lonizing Blower 991A with North American Power Cord 80 0014 0217 3 3M Overhead lonizing Blower 991A with UK Power Cord 80 001 4 0218 1 3M Overhead Air lonizer 991A with European Power Cord 80 0014 0219 9 3M Overhead lonizing Blower 991A Replaceable Filters 6 filters box 80 0014 0220 7 3M Overhead lonizing Blower 991A Air Filters Retainer 1 per fan 80 0014 0221 5 3M Overhead Ionizing Blower 991A Task Light Fluorescent Lamp 2 per blower 6 0 Warranty and Service CEG AE 3M is a trademark of 3M Company All other trademarks are owned by their respective companies Important Notice All statements technical information and recommendations related to 3M s products are based on information believed to be reliable but the accuracy or completeness is not guaranteed Before using this product you must evaluate it and determine if it is suitable for your intended application You assume all risks and liability associated with such use Any statements related to the product which are not contained in 3M s current publications or any contrary statements contained on your purchase order shall have no force or effect unless expressly agreed upon in writing by an authorized officer of 3M Warranty Limited Remedy Limited Liability This product will be free from defects in material and manufacture for one year from the time of purchase 3M MAKES NO OTHER W
3. 3736 Never open the case of the unit This exposes hazardous voltages If repairs are necessary contact 1 866 722 3736 for a Return Authorization Number prior to returning the unit to the factory 4 8 Task Light Replacement If either task light does not light dims appreciably or flickers the compact fluorescent lamp should be replaced as soon as possible Access to the lamp is provided by a removable panel on the rear of the unit Disconnect the unit by unplugging the line cord Remove the appropriate lamp access panel with a 4 nut driver and remove the lamp Install a new lamp replace lamp access panel and plug the unit back in 5 0 Specifications 5 1 Specifications Specifications Input Voltage 120 VAC 60 Hz 0 5A fan low heater light off 2 5A fan high heater light on 230 VAC 50 Hz 0 2A fan low heater light off 1 5A fan high heater light on Discharge 3 0 sec 18 center blower position fan high 1000 100V 1 Balance 0 5V 18 from blower face lon Emission AC lonization Coverage 2x4 area Cleanroom Class Meets ISO 14644 1 Class 5 Fed std 209E Class 100 Emitter Points Stainless Steel Controls Fan speed control knob BLOWER ON on off switch HEATER amp TASK LIGHT Indicator Lights Orange IONIZATION STATUS orange within on off switches HEATER amp TASK LIGHT Air Volume 150 300 cfm low to high combined 3 fan output Heated Air Temp 25 F 14 C fan low 11 F 6 C fan high measured 6
4. controlled within the work surface area 2 0 Installation 2 1 Unpacking Note Prior to installing the Overhead Ionizing Blower 991A the compact fluorescent bulbs must be installed The bulbs are placed inside the packaging material to prevent breakage during shipment Remove both 2 x 11 lamp access panels on rear of unit with a 7 4 nut driver or flat blade screwdriver Unpack the bulbs and install by inserting the bulb into the socket and press until it clicks into place Replace the lamp access panels Carefully remove the equipment from the carton and inspect contents Empty the carton to insure that small parts are not discarded If any damage has occurred during shipment notify the local carrier at once Contact the 3M product distributor if replacement or the product is necessary 2 2 installing The Overhead Ionizing Blower 991A should be located 18 to 30 inches above the work surface with center fan directly above the critical area There should be no crossflow of air between unit and the work surface Drafts from air conditioning and heating air outlets can affect ionization performance 2 3 Mounting The 3M Overhead Ionizing Blower 991A may be mounted using adjustable mounting brackets or S hooks provided The mounting brackets are designed for use on a variety of surfaces such as perforated steel angle Unistrut metal framing and on Metro wire shelving see diagrams on this page Place a lock w
5. in front of center fan above ambient Audible Noise 50 dBA fan low 60 dBA fan high Ozone 0 02 ppm measured 12 in front of unit 2 Lamp 13W twin tube compact fluorescent 1650 lumen total task light output Air Filter 30 ppi open cell polyurethane foam optional Mounting Adjustable brackets and S hooks provided Enclosure Powder coated white enamel aluminum Weight 16 Ib 7 3 kg Dimensions 42 75W x 4H x 6 75D in 108 6 x 10 2 x 17 1 cm Warranty One year limited warranty Ceratcations RoHS Compliant CE 230V 50 Hz lt 120V 60 Hz 5 2 Environmental Conditions Normal environmental conditions This standard applies to equipment designed to be safe at least under the following conditions a indoor use b altitude up to 2 000 m c temperature 0 C to 50 C d maximum relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 relative humidity at 40 C e MAINS supply voltage fluctuations up to 10 of the nominal voltage f TRANSIENT OVERVOLTAGES up to the levels of OVERVOLTAGE CATEGORY II NOTE 1 These levels of transient overvoltage are typical for equipment supplied from the building wiring g TEMPORARY OVERVOLTAGES occurring on the MAINS supply h Applicable POLLUTION DEGREE of the intended environment POLLUTION DEGREE 2 in most cases NOTE 2 Manufacturers may specify more restricted environmental conditions for operation nevertheless the equipment must be safe within these normal environmental conditions
6. ARRANTIES INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE If this product is defective within the warranty period stated above your exclusive remedy shall be at 3M s option to replace or repair the 3M product or refund the purchase price of the 3M product Except where prohibited by law 3M will not be liable for any indirect special incidental or consequential loss or damage arising from this 3M product regardless of the legal theory asserted Electronic Solutions Division Static Control Products 926 JR Industrial Drive Sanford NC 27332 9733 Toll Free 866 722 3736 Please recycle Printed in U S A International 919 718 0000 3M 2014 All rights reserved Email 3mstaticinfo mmm com 78 9101 8683 8
7. adidas esate os aes ea eee eae ee 6 22 WS 621A 0 aa re E gC AT IT y Dd VN PUAN NEES EE N EE E aS a A E ee ee ee ee 8 De Ne Cit Call N E I A TAT A T TA A A A TT A E AA E E E T 9 2S OPNA ATE FINE oaiit aaaea eiaa da a 10 FOT O S S ee ee ee ee ee 1 DEAC OSO fs ie nee Re E ee ee RR een err eee ee er Ree eee Rp eee Re ere Riek eer ee Reece ee eee 12 Side PUL OPV A INC G5 sles cotao easton eea noon sco an ea aoe trea coc olbsca a od an easier esoco node odianean ancnen an e adan eed nedsawamaacanes 13 BO Iroupe Noo I aa A E E 14 AROR EN OLG aTa OS 15 E Ge ae ETE a T E e A A en nan S A S T 16 AAD Emer NG AUN AW it laa ok ac a aa a a a 17 ASAT Viner Ole VG AB nuana aaa a aaa aaa aaia a aaia a aa a aaa 18 4 4 Optional Air Filter Cleaning ccescccessscccesseccessscecessseecessaeecessseecesaeecessasecessaeesesaeesessaseseseaeeeessasecesaeesesaeecesaseceseasesessaes 19 7 Hs al 6 We 10 19 E Gol E Re eR ee ee re A O re I E E eR PR en ee eee eer eer tre 20 AO TOM Balance C Me Cle ourora aaaea naanonehenateacdeneiuantnsed E E A N 21 ALT Calibration EIEE 22 A Tas Ke TOME IR CAC CS N a a a a a a Aaea AE a ERN 23 S O Se CIM CANONS nai ee ean a ane ee 25 OO Warran SEN O Eaa aaa aaa a 29 1 0 Description 1 1 3M Overhead lonizing Blower 991A The 3M Overhead Ionizing Blower 991A is designed for use with sensitive electronic components where electrostatic discharge ESD is a problem The Overhead Ionizing Blower 991A provides fast static charge decay efficienc
8. asher and flat washer on the lock knobs and secure the unit using center holes on mounting tab Be sure to install a fiber washer as shown in the diagrams The S hooks provide for chain mounting or mounting on wire shelving Install the overhead blower unit as shown below using outer holes on mounting tabs Chain and additional mounting hardware not supplied must have a minimum safe working load rating of 20 Ibs LINK CHAIN NOT PROVIDED S 1G0K S7 HOOKS An FRAME AND NUT NOT PROVIDED MOUNTING BRACKET Z LOCK WASHER SA OCK KNOB METAL FRAME 2 4 Electrical D eey SCREW Ppd J s FENDER WASHER WIRE SH LVING NOT PROVIDED LOCK WASHER HEX NUT MOUNTING BRASKET FLAT WASHER LOCK WASHER QA ook KNOB WIRE SHELVING HEX NUT ox WASHER PERFORATED STEEL ANGLE NOT PROVIDED HEX SCREW MOUNTING BRACKET Wie Sh EZ FAT WASHER Fe LUCK WASHER QA Lock KNOG PERFORATED STEEL ANGLE With the 3M Overhead Ionizing Blower 991A mounted in place over the intended work surface plug the male end of the IEC power cord into a properly grounded 120 240 VAC 50 60 Hz receptacle If an extension cord is necessary use only a 3 wire properly grounded one that matches the plug type that comes with the blower 3 0 Operation 3 1 Adjustments Activate the Overhead Ionizing Blower 991A by turning FAN SPEED knob clockwise out of the OFF position The IONIZATION INDICATOR will illum
9. f a charge plate monitor such as 3M Charge Analyzer Charge Plate Monitor 711 is recommended If a charge plate monitor is not available but a static meter such as a 3M Static Sensor 718 and 3M Air Ionizer Test Kit 718A is available ion output may be checked with the following procedure in accordance with ANSI ESDSP 3 3 2006 It is recommended that the user be familiar with ionizer test standards ANSI ESD S3 1 if the 3M Air Ionizer Test Kit 718A is used to perform verification testing on 1onizer performance Assembly slide the charge plate over the 3M Static Sensor 718 until it stops The charge plate slides onto the lower groove on the sides of the Static Sensor 718 Charging the plate holding the Static Sensor 718 with charge plate attached in one hand use the other hand to touch the probe of the Air Ionizer Test Kit 718A charger to the charge plate Press either the button for a positive voltage or the button for a negative voltage then remove the probe from the charge plate Be sure to keep the button pressed while removing the probe from the charge plate The display on the Static Sensor 718 will indicate a positive or negative charging voltage 1 1kV minimum If a voltage of less than 1 1kV is displayed check to see if the low battery indicator on the Air Ionizer Test Kit 718A Charger is illuminated If illuminated replace the battery in the charger If the unit continues to supply an incorrect voltage to the charge
10. inate to indicate the presence of ionized air Set air flow as desired by rotating the FAN SPEED knob If warm air is desired for operator comfort set WARM AIR switch to the ON position If light is desired turn on task lights by setting LIGHTS switch to the on position To clean ion emitter points rotate the POINT CLEANER knob at each air outlet clockwise to the stop approximately one turn and release The time required to neutralize a static charge on an item in the air stream depends on fan speed Setting a higher fan speed reduces time required to neutralize a static charge When using the 3M Overhead Ionizing Blower 991A unit in an electronics assembly area the ionized air stream should cover as much of the work area as possible The constant flow of ionized air will help prevent items such as work surfaces tools materials and components from developing a static charge Charged items introduced into a work area will be neutralized and will remain neutral while in the ionized air stream 3 2 Performance Discharge Times Performance Discharge time in seconds under fan 18 is typically under 5 seconds Tested using high speed at 21 C 55 R H in accordance to ESD STM 3 1 2006 Troubleshooting This information provides a quick troubleshooting reference for the 3M Overhead Ionizing Blower 991A Should any of these possible solutions not solve the problem contact 3M Problem Cause Solution Unit fails
11. mitter point wear line voltage fluctuations and variations in air velocity Scheduled checking of the ion output and balance should be considered to assure quality audit requirements L CAUTION ELECTRICAL SHOCK HAZARD Do not insert objects through intake or outlet grille 4 2 Emitter Cleaning To clean the ion emitters simply rotate the point cleaner knob located at center of each outlet clockwise to the stop approximately one turn and release The spring loaded point cleaning brush will return to its parking spot Recommended frequency of cleaning is once a week 4 3 Air Inlet amp Outlet Cleaning The air inlet grill on the top of the unit and the ionized air outlets should remain clean to prevent restriction of air flow They can be cleaned with a soft brush or vacuum Clean the air inlet grill and ionized air outlets once every three months or more often if needed 44 Optional Air Filter Cleaning Remove the air filter element from the top of the unit by unsnapping the filter retainer Rinse the filter in plain water while gently squeezing If the dirt is stubborn wash the filter in mild soap and water then rinse Blot the filter dry with paper towels and allow to dry Reinstall filter on air inlet and secure by snapping the filter retainer in place Important If an air filter is used clean the air filter once every three months or more frequently if needed 4 5 lon Output Check To test the unit for ion output the use o
12. plate please contact 3M for additional instructions Testing ionizer discharge time after charging the plate hold the Static Sensor 718 approximately one foot 30 5 cm away from the ionizer Monitor the display to see how quickly the 1 1 kV charge is dissipated to 0 1 kV The speed at which this occurs the discharge time indicates how well the ionizer is operating Repeat this procedure for both a positively and a negatively charged plate Testing ionizer offset balance zero the charge plate by touching it with a grounded object This can either be the finger of a grounded person or some other item which is connected to electrical ground In either case zeroing the charge plate should make the display on the Static Sensor 718 read zero Hold the Static Sensor 718 approximately one foot 30 5 cm in front of the ionizer Monitor the display The value displayed is the offset balance of the ionizer which is the difference between the number of positive and negative ions being emitted 4 6 lon Balance Check To test the unit for ion balance the use of a charge plate monitor such as the Charge Analyzer Charge Plate Monitor 711 is recommended 4 7 Calibration The 3M Overhead Ionizing Blower 991A ion output is inherently balanced by design so there are no calibration adjustments If after checking the ion balance as outlined above an unbalance or offset voltage exists in excess of 0 5 volts contact 3M Technical Support 1 866 722
13. to operate Unit fails to operate Replace line cord Flashing fault light Flashing fault light Fault light on steady Excessively long discharge times Excessively long discharge times Unit fails to hold setpoint Fan is slow 4 0 Maintenance 4 1 General Maintenance Power cord not connected Faulty ac ground Power incorrectly supplied to unit Power incorrectly supplied to unit Dirty or damaged emitter tips incorrectly calibrated Dirty or damaged emitter tips incorrectly calibrated Slow fan speed or long working distance Dirty or damaged emitter tips Fan speed is set slow Plug in to specified voltage source Replace line cord Cycle power to the unit using the unit s key switch Ensure that properly grounded recepticle is used Clean tips using integrated brush replace as necessary recalibrate Clean tips using integrated brush replace as necessary recalibrate Increase the fan speed or move the unit closer to the work surface Clean tips using integrated brush replace as necessary recalibrate Adjust fan control clockwise The Overhead Ionizing Blower 991A has been designed with low maintenance in mind The only regular maintenance suggested is emitter point cleaning ion balance checking and ion output checking Emitter point cleaning takes only seconds The Overhead Ionizing Blower 991A contains a balancing circuit that is inherently self balancing This circuit compensates for dirt build up on emitters e
14. y over an entire work surface area Equipped with task lighting an ionization indicator light and an integrated heater it offers user friendly operation while helping protect even the most sensitive components from ESD damage e Rapidly neutralizes static charges e Covers an extended area with ionized air e Inherently balanced to 0 5 V e Integrated heater and task lights e Jonization indicator light e AC technology for stable performance e Built in emitter cleaner for easy maintenance 1 2 Features The Overhead Ionizing Blower 991A produces an air flow that is rich in positive and negative ions Directing the air flow on an object that has a static electricity charge will neutralize the charge If the object has a positive static charge it will draw negative ions from the air flow If the object has a negative static charge it will draw positive ions from the air flow The ions are attracted to the oppositely charged object and will neutralize the electrostatic charge on the object The Overhead Ionizing Blower 991A features both inherent self balance technology and a built in emitter point cleaner The Overhead Ionizing Blower 991A operates on AC technology to provide stable balance performance over long periods of use The Overhead Ionizing Blower 991A provides fast charge decay directly under the unit for targeted work surface coverage The Overhead Ionizing Blower 991A requires very little maintenance to ensure electrostatic charge is
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