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Principle o

f Oper

ation / Battery P

ack

EVAHL Series - Principle of Operation 

The EVAHL Series Powered Air-Purifying Respirator (PAPR) System is configured in
six parts:
1.  The blower and belt assembly: 

EVAHL1 Blower Unit 
EVABELT1 or EVABELT2 Comfort Belt, Decon Belt 
PA1AFI Air Flow Indicator

2.  The battery pack (Part No. EVAHLBAT1). One fully charged pack will power the blower 

for approximately 4 to 10 hours depending upon factors such as speed, cartridge 
selected and cartridge loading.

3.  The breathing tube, which is available in three different types and three lengths: 
    PAHBT Powered Air Hood Breathing Tube Assembly (standard length - 26") 
    PAHBTXS Powered Air Hood Breathing Tube Assembly (short length - 22") 
    PAHBTXL Powered Air Hood Breathing Tube Assembly (long length - 32")  
    PA1BT Hood breathing tube assembly with clamp (standard length - 26")  
    PA1BTXS Hood breathing tube assembly with clamp (short length - 22")  
    PA1BTXL Hood breathing tube assembly with clamp (long length - 32")  
    PA20LFBT Loose fitting facepiece breathing tube assembly (standard length - 32") 
    PA20LFBTXS Loose fitting facepiece breathing tube assembly (short length - 26") 
    PA20LFBTXL Loose fitting facepiece breathing tube assembly (long length - 38")
4. The High Efficiency Particulate Arrestance (HEPA) filter or chemical filter cartridge.
5.  The hood with headband suspension (except for the RT Series) and/or hard hat, or 

loose fitting facepiece. The following hood models may be used with the EVAHL Series 
blower unit: 
 RT1, RT1T Hood with long inner and outer bib (NIOSH approved for use without a 
headband suspension) 
 RT2, RT2T Hood with long inner and outer bib (NIOSH approved for use without a 
headband suspension)

 

RT3, RT3T Hood with long inner and outer bib (NIOSH approved for use without a  

 

headband suspension) 
RT4, RT4T Hood with long inner and outer bib (NIOSH approved for use without a  

 

headband suspension) 
20TJN, 20TJNT Hood 
20TICN, 20TICNT Hood with inner bib 
20TICH, 20TICHT Hood for use with Bullard hard hat 
20TICSN, 20TICSNT Hood with taped and sealed seams 
20SICN, 20SICNT Hood with taped and sealed seams 
20SICVN, 20SICVNT Hood with taped and sealed seams and PVC lens 
20SICH, 20SICHT Hood with taped and sealed seams for use with Bullard hard hat 
20SICVH, 20SICVHT Hood with taped and sealed seams and PVC lens for use with  

 

Bullard hard hat 
20LFM Loose fitting facepiece, medium size 
20LFL Loose fitting facepiece, large size 
20LFXL Loose fitting facepiece, extra large size 
20LF2S Loose fitting facepiece (narrow profile), small size 
20LF2M Loose fitting facepiece (narrow profile), medium size 
20LF2L Loose fitting facepiece (narrow profile), large size

6.  The Battery Charger: 

EVAHLSMC Quick charger, single port 
EVAHLGC Gang charger, six port

The blower unit draws in ambient air through the cartridges. The purified air is blown 
into the wearer’s hood through the breathing tube. A flow indicator is provided to check 
that there is an adequate volume of air available to the wearer prior to use. The system is 
designed to operate at a minimum air flow of approximately 7 cubic feet of air per minute 
(198 liters per minute) in the hood under normal use on the standard speed setting, and 
8.5 cubic feet of air per minute (240 liters per minute) in the hood under normal use 
on the high speed setting. A feedback loop from the Mass Flow Sensor to the impellor 
continually monitors and adjusts the air flow to keep it constant at the design set point.
The units are designed for use at temperatures from 23ºF to 129ºF (-5ºC to 55ºC).
A high temperature alarm will sound at 122ºF (50ºC).

The battery pack mounts in a compartment on the back of the blower. A fully charged 
battery pack will power the blower for approximately 4 to 10 hours depending upon 
factors such as speed selected, cartridge selected, and filter/cartridge loading.
The EVAHL Series Blower is equipped with two alarms: A 77 db continuous alarm will sound 
when the air flow falls below approximately 185 lpm and a 77db intermittent chirp alarm will 
activate to indicate that the battery has approximately 15 minutes of remaining capacity.

Type C Airline Respirators - 

CC20 Series (TC-19C-154), RT Series (TC-19C-412)

Most of the same headpieces approved for use with the CC20 and RT Series of supplied 
air respirators (SAR) are also approved for use with the EVAHL Series of powered air-
purifying respirators. CC20 and RT Series respirators provide a high level of respiratory 
protection and user comfort over long work periods, in a wide variety of hazardous 
environments.
The CC2 and RT SAR air flow control devices and other components are described in the 
CC20 and RT Series User Instructions.

Battery Pack  

One fully charged battery pack will power the blower for approximately 4 to 10 hours 
depending upon factors such as speed selected, cartridge selected and filer/cartridge 
loading.

WARNING: 

EXPLOSION HAZARD

•  Only use Bullard battery part number: EVAHLBAT1. Substitution of any other 

battery pack may impair suitability for Division 2.

•  Do no charge battery packs in hazardous locations. 
• Only charge using Bullard Desktop battery pack chargers.
•  Do not insert or remove the battery pack unless the area is known to be free 

of ignitable concentrations.

 

 NOTE

 

 The battery has built-in short circuit protection. In the event of a short circuit, an 
internal polyfuse will trip. The fuse will reset itself within 5-10 seconds allowing the 
battery to resume normal operation.

To charge the battery pack, do the following: 
• Use a flat head tool to release the battery from the blower. (See Figure 1.)
•  Place battery into the charging port of the battery charger. (See Figure 2.)
• Connect the battery charger to a 110-volt AC electrical outlet.
• Charge the battery pack for approximately 4 hours. While the battery is charging, the 
light on the charger will remain red. The charger light will illuminate green when charging 
is complete. 
Table-top gang chargers with 6 ports are also available. 

Figure 1

Figure 2

Содержание CC20 Series

Страница 1: ...C20 Series respirators are approved by NIOSH for use with optional Bullard climate control devices Contact Bullard or its local authorized distributor for more information about these and other accessories for CC20 Series respirators All Bullard parts must be present and properly assembled to constitute a NIOSH approved respirator For technical assistance contact Bullard Technical Support at 877 B...

Страница 2: ...able regulations N Never substitute modify add or omit parts Use only exact replacement parts in the configuration specified by the manufacturer O Refer to User s Instructions and or maintenance manuals for information on use and maintenance of these respirators S Special or critical User s Instruction and or specific use limitationa apply Refer to User s Instructions before donning TC PROTECTION1...

Страница 3: ... V2025STSHUTOFF V2025ST V2010ST V2050ST V20100STSHUTOFF V20100ST V52535BLACK V55035BLACK V55033FS V55033GRN V52533FF V52533FS V52533 V55030GRN V55031 V55030 V55033 V55032 V52531 V52530 V52530GREEN V52532 V55033FF V5KF2530XXX V5KF2531XXX V5KF2532XXX V5KF2533XXX V5KF2535XXX V5KF5030XXX V5KF5031XXX V5KF5032XXX V5KF5033XXX V5KF5035XXX V5KF2533XXXFF V5KF2533XXXFS V5KF5033XXXFF V5KF5033XXXFS 20LCL 36501...

Страница 4: ...n strap Headband Suspension or Head Protection Hard hat models C30 C30R S51 or S51R or suspension models 20TG and 20RT 20LFM 20LFL 20LF2S 20LF2M AND 20LF2L have sewn in elastic headband suspensions Breathing Tube for CC20 Respirators 20BT RTBT For 20TJ 20TIC 20TICH 20TICS 20SIC and 20SICH 20LFBT For 20LFM 20LFL 20LF2S 20LF2M 20LF2L 20LFBTXL For 20LFM 20LFL 20LF2S 20LF2M 20LF2L 20LFBTXS For 20LFM 2...

Страница 5: ... according to the Flammable Fabrics Act Class 1 fabrics will burn and do not provide thermal protection if a fire or explosion should occur CC20 materials may create static electricity under low relative humidity Surface resistance and charge dissipation are proportional to the amount of antistatic agent on the fabric and the ambient relative humidity Since the antistatic agent is water soluble it...

Страница 6: ...e applications including pharmaceutical manufacturing chemical and pesticide handling tank cleaning spray painting and other industrial or agricultural applications in which hazardous compounds are present The CC20 respirators are not approved for use in any atmosphere immediately dan gerous to life or health IDLH or from which the wearer cannot escape without the aid of the respirator IDLH is def...

Страница 7: ...ecessary to provide CC20 Series respirators with a volume of air that falls within the required range of 6 15 cfm or 170 425 lpm Ref 42 CFR Part 84 Subpart J 84 150 Make sure you understand the information in the Breathing Air Pressure Table before using this respirator 1 Determine the type of air source you are using Column 1 then find your flow control valve climate control device Column 2 2 Be ...

Страница 8: ...25 34 31 39 F35 F35B V5 25 50 1 2 12 18 19 23 F40 F40B F40S F41 F42 F43 F44 F47 V10 25 50 75 150 200 250 300 1 2 3 5 5 22 25 24 27 27 37 33 40 38 45 V5 25 50 1 2 22 26 25 30 AC100030 AC100030B AC100030S AC100031 AC100032 AC100033 AC100034 AC10035B AC100037 V10 25 50 75 150 175 300 2 3 5 55 65 60 70 65 75 V5 25 50 1 1 55 65 56 69 DC5040 DC5040B DC5040S DC5041 DC5042 DC5043 DC5044 DC5047 V10 50 75 1...

Страница 9: ...ng the four pins into the sizing holes Figure 4 NOTE If using the optional 20RT ratchet headband suspension refer to the instruction sheet provided with the 20RT Adjust Crown Straps for Vertical Fit To improve suspension comfort adjust crown straps vertically by repositioning the crown strap posts in the crown straps Vertical adjustment makes the headband ride higher or lower on the wearer s head ...

Страница 10: ...at about 1 4 up from the edge Apply shorter Velcro tab to the underside of the brim of the hard hat see Figure 7 5 Insert hard hat into respirator hood with cap visor facing front of hood see Figure 6 6 Tuck cap brim on top of front elastic Velcro band sewn into hood see Figure 7 7 Loop the Velcro strip sewn inside the hood around the back of the cap and affix it to the corresponding Velcro tab pr...

Страница 11: ...ting facepieces have a sewn in breathing tube connector on the back The 20LFBT breathing tube has a special connector on the hood end with bayonet type pins 2 Insert the bayonet connector of the 20LFBT breathing tube in the hood connector and turn clockwise until it locks in place see Figure 12 Using Climate Control Devices for CC20 Series Airline Respirators CC20 Series Airline Respirators are ap...

Страница 12: ... visor Pull the hood over your head and adjust the headband around your head and the elasticized edge of the faceseal under your chin Make sure that the breathing tube is not twisted after donning 8 Tuck inner bib of hood except on 20TJ 20TP 20LFM 20LFL 20LF2S 20LF2M and 20LF2L into shirt or protec tive clothing for additional splash and overspray protection see Figure 16 9 Pull respirator outer b...

Страница 13: ...ge is detected replace immediately with Bullard replace ment part s or remove the respirator from service Cleaning Bullard does not recommend laundering the hood When the hood becomes dirty it should be discarded and replaced The respira tor s plastic lens headband suspension and optional chin strap should be hand sponged with warm water and mild detergent rinsed and air dried Mineral spirits may ...

Страница 14: ...are fully inspect flow control valve climate control device for signs of damage If any signs of excessive wear are present replace the flow control valve climate control device or remove the respirator from service Air Supply Hoses Inspection Air supply hose s should be inspected closely for abrasions cor rosion cuts cracks and blistering Be sure the hose fittings are crimped tightly to the hose s...

Страница 15: ...er lens no suspension Hood with inner bib for use with Bullard hard hat 20TICH Tychem QC hard hat not included 20SICH Tychem SL with taped and sealed seams hard hat not included Hood with inner bib and long outer bib for use with headband suspension 20TICS Tychem QC with taped and sealed seams and 20TG headband suspension 20TICSN Tychem QC with taped and sealed seams no headband suspension 20SIC T...

Страница 16: ...hrader steel quick disconnect nipple X32 With 1 4 Snap Tite steel quick disconnect nipple X33 With 1 4 Snap Tite brass quick disconnect nipple Constant Flow Breathing Tube Assemblies For use with Bullard Free Air Pumps V35 With 1 2 Industrial Interchange steel Hansen compatible quick disconnect nipple X35 For 20LF and 20LF2 Series hoods with 1 2 Industrial Interchange steel Hansen compatible quick...

Страница 17: ...ect nipple Hot Cold Tubes Adjustable Flow HC2400 With 1 4 Industrial Interchange steel Hansen compatible quick disconnect nipple HC240031 With 1 4 Schrader steel quick disconnect nipple HC240032 With 1 4 Snap Tite steel quick disconnect nipple Dual CooL Climate Control Device DC5040 With 1 4 Industrial Interchange steel Hansen compatible quick disconnect nipple Includes CH60 connector hose and nyl...

Страница 18: ...pler and 1 4 male quick disconnect nipple V5KF2530XXX 25 7 6 m with 1 4 Industrial Interchange steel Hansen compatible fittings V5KF5030XXX 50 15 2 m with 1 4 Industrial Interchange steel Hansen compatible fittings V5KF2531XXX 25 7 6 m with 1 4 Schrader steel quick disconnect fittings V5KF5031XXX 50 15 2 m with 1 4 Schrader steel quick disconnect fittings V5KF2532XXX 25 7 6m with 1 4 Snap Tite ste...

Страница 19: ...ontaminated materials Products suspected to be contaminated will be professionally discarded at the customer s expense 4 Ship returned products including those under warranty with all transportation charges pre paid Bullard cannot accept returned goods on a freight collect basis 5 Returned products will be inspected upon return to the Bullard facility Bullard Technical Support will telephone you w...

Страница 20: ...ark of Velcro USA ISO 9001 certified Americas E D Bullard Company 1898 Safety Way Cynthiana KY 41031 9303 Toll free 877 BULLARD 285 5273 Tel 859 234 6616 Fax 859 234 8987 www bullard com Europe Bullard GmbH Lilienthalstrasse 12 53424 Remagen Germany Tel 49 2642 999980 Fax 49 2642 9999829 www bullardextrem com Asia Pacific Bullard Asia Pacific Pte Ltd LHK Building 701 Sims Drive 04 03 Singapore 387...

Страница 21: ...21C 0922 PAPRFC3 Powered Air Purifying Respirator with OV AG HE Filter Cartridges for organic vapors chlorine hydrogen chloride sulfur dioxide chlorine dioxide hydrogen fluoride and particulates Approval No TC 23C 2765 PAPRFC4 Powered Air Purifying Respirator with AM FM MA AG HE Filter Cartridges for ammonia formaldehyde methylamine chlorine hydrogen chloride sulfur dioxide chlorine dioxide hydrog...

Страница 22: ...r is provided to check that there is an adequate volume of air available to the wearer prior to use The system is designed to operate at a minimum air flow of approximately 7 cubic feet of air per minute 198 liters per minute in the hood under normal use on the standard speed setting and 8 5 cubic feet of air per minute 240 liters per minute in the hood under normal use on the high speed setting A...

Страница 23: ...nd undamaged Inspect for deterioration physical damage and improper assembly 2 Filter Cartridges Inspect the filter cartridge for any physical damage Check the label to ensure the filter cartridge has not exceeded its use by date Inspect the gasket on the filter for any phsyical damage NOTE Each filter comes with a permanent gasket Ensure that the correct filter cartridge is appropriate for the co...

Страница 24: ...ficiency Particulate OV Organic Vapor AM Ammonia CD Chlorine Dioxide CL Chlorine FM Formaldehyde HC Hydrogen Chloride HF Hydrogen fluoride MA Methylamine SD Sulfur Dioxide WARNING Use only the filter cartridge s described in the above table Do not change cartridges while in a hazardous atmosphere Incorrect cartridge selection will invalidate all performance statements and approvals for this equipm...

Страница 25: ...er crown strap post Figure 18 NOTE If the hood rises off your head during use first verify proper air pressure then select a different hood for your application or use the optional chin strap Adjusting and Installing Hard Hat in Respirator Hood 20SICH 20TICH 1 Assemble and adjust the standard Bullard hard hat suspensions RS4PC or RS6PC or the optional ratchet suspensions RS4RC or RS6RC by followin...

Страница 26: ...the neck cuff is down below the chin and that the air outlets of the cuff see Figure 27 are not restricted If the neck cuff is not below the chin then pull down before continuing See Figure 27 RT Series Hood Use Installing Breathing Tube Assembly in RT Series Respirator Hoods For hoods without a threaded port at the rear Breathing Tubes PA1BT PA1BTXS and PA1BTXL will attach to the hood with a clam...

Страница 27: ...nd of breathing tube to blower unit if not already attached by screwing adapters together Remove any protective film covering the lens of the headpiece Put on the belt and blower assembly and make any final adjustments to the belt as necessary keeping the breathing tube and hood behind the head Turn the blower on by depressing and holding the on off switch Figure 33 for approximately 1 second indi...

Страница 28: ...ELOW or PARTLY BELOW the PASS LINE with a fully charged battery the filter cartridges may need to be changed Doffing the Respirator Prepare to doff the blower battery and hood in a safe hazard free area and do the following in conjunction with your employer s standard operating procedures Remove the hood Turn the blower off by holding down the on off switch for 5 seconds This is confirmed by a lon...

Страница 29: ...iency Particulate Air Filter for Powered Air Purifying Respirators OV Organic Vapor AM Ammonia CD Chlorine Dioxide CL Chlorine FM Formaldehyde HC Hydrogen Chloride HF Hydrogen Fluoride MA Methylamine SD Sulfur Dioxide RESPIRATOR COMPONENTS TC PROTECTION 1 ALTERNATE HOOD ASSEMBLIES ALTERNATE SUSPENSION HARD HAT AS SEMBLIES ALTERNATE BREATHING TUBES BLOWERUNITASSEMBLY FILTERASSEMBLY ALTERNATECARTRID...

Страница 30: ...lasts so the above limitations or exclusion may not apply to you This warranty gives you specific Return Authorization The following steps must be completed before Bullard will accept any returned goods Please read carefully Follow the steps outlined below to return goods to Bullard for repair or replacement under warranty or for paid repairs 1 Contact Bullard Sales Support by telephone or in writ...

Страница 31: ...ble bib hood for use without a headband suspension RT1 RT1T Tychem 2000 QC Inflatable neck collar RT2 RT2T Tychem 4000 SL Inflatable neck collar RT3 RT3T Tychem 2000 QC Sport neck collar RT4 RT4T Tychem 4000 SL Sport neck collar Accessory Items for Hoods 20LCL Mylar lens covers CC20 Series 25 pkg RTLC Mylar lens covers RT Series 25 pkg Headband Suspensions and Hard Hats 20TG Standard headband susp...

Страница 32: ...1 859 234 8987 Europe Bullard GmbH Lilienthalstrasse 12 53424 Remagen Germany Tel 49 2642 999980 Fax 49 2642 9999829 Asia Pacific Bullard Asia Pacific Pte Ltd LHK Building 701 Sims Drive 04 03 Singapore 387383 Tel 65 6745 0556 Fax 65 6745 5176 2017 Bullard All rights reserved 6081509758G 0517 ISO 9001 certified www bullard com ...

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