S.E.A. Group SE400 Bedienungsanleitung

SE400 user instructions —600006 N

Fan-supplied Positive-pressure Breath-responsive Respirator

User Instructions

600006 N

July2019

SE400 user instructions —600006 N

TABLE OF CONTENTS

ABOUT THESE USER INSTRUCTIONS.................................................................................. 3

DESCRIPTION OF THE SE400................................................................................................ 4

Main components.................................................................................................................. 5

Features ................................................................................................................................ 5

CAUTIONS AND LIMITATIONS............................................................................................... 6

UNPACKING............................................................................................................................. 7

FACEPIECE FITTING............................................................................................................... 8

QNFT Procedure................................................................................................................... 8

PREPARATION FOR USE ..................................................................................................... 10

Assembling the SE400........................................................................................................ 10

Donning the SE400............................................................................................................. 10

WORKING IN A CONTAMINATED AREA............................................................................. 14

Decontamination ................................................................................................................. 14

STORAGE AND TRANSPORT............................................................................................... 15

COMPONENTS OF THE SE400............................................................................................. 16

Fan unit................................................................................................................................ 16

Breathing hose .................................................................................................................... 16

SE-shield breathing hose.................................................................................................... 16

Facepiece............................................................................................................................ 16

Filtration media.................................................................................................................... 17

Batteries .............................................................................................................................. 19

Battery charger (BC3) ......................................................................................................... 22

Battery charger (BC1) ......................................................................................................... 22

Dual battery adapter (DB1) ................................................................................................. 23

SE-talk speaker unit............................................................................................................ 23

Back pack............................................................................................................................ 24

Waist belt............................................................................................................................. 24

SE-SHIELD PROTECTIVE ENSEMBLES.............................................................................. 25

Configurations ..................................................................................................................... 25

The SE-Shield range........................................................................................................... 25

OPERATION ........................................................................................................................... 27

Visible and audible warnings............................................................................................... 27

Warnings label on fan unit................................................................................................... 27

Warnings during start-up..................................................................................................... 28

Warnings during operation.................................................................................................. 29

Stand-by mode.................................................................................................................... 29

Demist mode ....................................................................................................................... 30

Menu mode ......................................................................................................................... 30

Self-Test.............................................................................................................................. 30

DISASSEMBLY AND REASSEMBLY.................................................................................... 32

CLEANING AND MAINTENANCE ......................................................................................... 35

Reconditioning after each use............................................................................................. 35

Cleaning the demand valve................................................................................................. 35

Replacing the visor (full facepiece) ..................................................................................... 38

SPARE PARTS AND ACCESSORIES................................................................................... 39

TROUBLESHOOTING............................................................................................................ 40

OPERATION IN EXTREME CONDITIONS............................................................................. 41

SE-DATA................................................................................................................................. 41

IMPORTANT WARRANTY INFORMATION........................................................................... 41

IN CASE OF HEAVY IMPACT................................................................................................ 41

APPROVAL BODIES.............................................................................................................. 42

SE400 user instructions —600006 N

Warning (USA)

Before occupational use of this respirator a written respiratory protection program must be

implemented meeting all the local government requirements. In the United States employers

must comply with OSHA 29 CFR 1910.134 which includes medical evaluation, training, and fit

testing.

ABOUT THESE USER INSTRUCTIONS

These user instructions refer to the following user instructions for components and accessories

of the SE400:

Supplementary manual –SE400 advanced functions (600007)

SE-shield Tychem F©suits (100184-04)

SE-shield Tyvek©and Tychem QC©suits (100325-03)

SE-shield encapsulated suits (100292-02)

Tychem F©Hood (100259-04)

Breathing hose cover HC-TF (100257-03)

Foam insert SEA-FI (100287-03)

GBCO (600010)

Fit test adapter FTA-400 (100288-03)

Back pack BP2 (100267-03)

Exhalation valve shield EVS (201540-03)

Dual battery adapter DB1 (100273-03)

The above user instructions are supplied with the components. They are also available at The

S.E.A. Group website, www.theseagroup.com

SE400 user instructions —600006 N

DESCRIPTION OF THE SE400

The SE400 is a powered air-purifying respirator (PAPR) designed to give protection from

breathing hazards. It is a high-performance PAPR known as an FPBR (Fan-supplied Positive-

pressure Breath-responsive Respirator).

The SE400 has a built-in microprocessor that monitors the user’s breathing pattern and

adjusts the airflow to ensure continuous positive pressure in the facepiece even during high

exertion.

Because the SE400 delivers breathing air only when needed, battery power and filtration

media capacity are conserved.

Positive pressure

Positive pressure increases breathing protection.

An airtight “face seal” – between the facepiece and the user’s face – is critical for good respiratory

protection. In practice it is very difficult to maintain a perfectly airtight face seal under all conditions.

Even momentary loss of sealing can greatly reduce the level of protection.

By maintaining a slightly elevated air pressure inside the facepiece at all times, any leakage will flow

outward, thus preventing inward leakage of contaminated air to the breathing zone.

A conventional PAPR delivers an essentially constant flow of breathing air to the facepiece. During high

exertion the user may take very deep breaths that momentarily exceed the delivery rate of the PAPR. At

these times the facepiece pressure becomes negative and inward leakage of contaminants can occur.

Because the SE400 “FPBR” is breath-responsive, continuous positive pressure can be maintained at

peak inhalation airflows up to and exceeding 350 litres per minute.

Positive pressure reduces breathing resistance.

Because the air in the breathing zone is maintained at a very small positive pressure, the user feels little

or no breathing resistance. By reducing the breathing effort and discomfort, he or she has more energy

and awareness to do the job at hand.

The SE400 is currently available in the following models:

SE400AT-2 –Two-filter fan unit for industrial applications

SE400AT-2 Advanced –Two-filter industrial unit with advanced functionality

SE46 –Three-filter fan unit for emergency response applications –includes increased

peak flows, battery duration, gas filter capacity and chemical resistance; Advanced

functionality; Normally fitted with Exhalation Valve Shield (EVS) and single-use

Tychem F®hose cover (HC-TF)

Note: SE400AT-2 Advanced and SE46 users should consult the supplementary manual

“SE400 Advanced Functions” on the CD-ROM provided with those models.

Note (USA): SE400 and SE46 respirators are approved by NIOSH for use in industrial

environments. They are not CBRN-approved.

Note: The SE400AT-2 supersedes the SE400AT. SE-Talk speaker unit and PC data cable are

not interchangeable between these models.

SE400 user instructions —600006 N

Main components

A comprehensive list of components is given in section Components of the SE400.

1. Fan unit (SE400AT-2 shown)

2. Filtration media

3. Breathing hose

4. Facepiece

5. Demand valve

6. Battery

7. SE-Talk speaker unit

8. Back pack

9. Prefilters and prefilter holders

Features

1. ON/OFF button

2. Status lights panel

3. Communication socket

4. Threaded connectors for

filtration media

5. Threaded nuts for attachment

to SE-shield protective suits

6. Warning light

SE400 user instructions —600006 N

CAUTIONS AND LIMITATIONS

When using this respirator, observe the following cautions and limitations.

Oxygen levels

Not for use in atmospheres containing less than 19.5% oxygen.

This respirator delivers purified ambient air. It does not generate oxygen.

Breathing hazards

Not for use in atmospheres immediately dangerous to life and health (IDLH) or where

hazards have not been fully characterised.

Do not exceed maximum use concentrations established by regulatory standards.

If you sense any of the following danger signals:

osmell or taste of contaminants

oeye, nose or throat irritation

obreathing difficulty

ouncomfortably warm breathing air

odizziness, nausea or vomiting,

immediately leave the contaminated area. Do not remove the respirator until you

have reached clean air and after decontamination as required.

Explosive atmospheres

Contains electrical parts which may cause an ignition in flammable or explosive

atmospheres. Do not use in flammable or explosive atmospheres.

Exposure to flame

Do not use in contact with flame. Do not use for fire fighting.

Dermal (skin) hazards

Use in conjunction with personal protective ensembles that provide appropriate levels

of protection against dermal hazard. Failure to do so may result in personal injury

even when the respirator is properly fitted, used and maintained.

Follow these User Instructions

Failure to properly use and maintain this respirator could result in injury or death.

Follow these user instructions and established canister change-out schedules to ensure

canisters are replaced before breakthrough occurs.

Never substitute, modify, add or omit parts. Use only exact replacement parts in the

configuration as specified by the manufacturer.

Compliance with regulations

(USA) All approved respirators shall be selected, fitted, used and maintained in

accordance with MSHA, OSHA and other applicable regulations.

Use replacement parts in the configuration as specified by the applicable regulations

and guidance. Consult the respirator Approval Label (USA) for approved

configurations.

SE400 user instructions —600006 N

S - Special or Critical User's Instructions (USA)

Foam Inserts

If Facepiece Fit Testing fails due to particular facial contours, SEA recommends that the SEA

Full Face Mask Foam Insert (model number SEA-FI) be inserted into the facepiece. Please

refer to the User Instructions for the foam inserts or contact an SEA Group representative for

more information.

Note: NIOSH has classified the foam inserts as a required component. However, foam inserts

shall only be used in cases where a satisfactory facepiece fit cannot be achieved without them.

UNPACKING

The following parts are included with the SE400:

Fan unit

Breathing hose and hose latch retainer

Facepiece with demand valve and head harness

Waist belt

Prefilters and prefilter holders

SE400 user instructions

Cleaning tissues

Up to two (2) batteries (level of charge not assured)

Battery charger with power supply and AC power cable

Speaker unit

CD-ROM containing user instructions and management software (Advanced only)

Data cable for connection to PC (Advanced only)

NIOSH Approval Label (USA)

Single-use breathing hose cover (SE46 only)

Exhalation valves shield (SE46 only)

Check that all components are received as ordered, and undamaged.

SE400 user instructions —600006 N

FACEPIECE FITTING

Note: This section applies to full facepiece respirators only.

The SE400 is designed to maintain positive pressure inside the facepiece even under

conditions of high workload and stress. However, a quality face seal is essential for optimum

protection. This is particularly important in the event that the blower unit stops operating and

the SE400 must function as a negative pressure respirator.

A user must pass a Quantitative Fit Test (QNFT) and achieve a fit factor of at least 2000

before being assigned a full facepiece respirator. This is a negative pressure test; i.e.: with the

fan unit disconnected or not operating.

Quantitative Fit Test

A Quantitative Fit Test (QNFT) gives a numerical measure of facepiece fit.

The user wears a respirator in a test atmosphere while an instrument compares the

concentration of the challenge agent in the test atmosphere with that inside the facepiece.

The test atmosphere may be air contaminated with an aerosol, vapour or gas. With some

instruments ambient air can be used.

The QNFT protocol must be in accordance with appropriate government regulations.

Facepiece fit testing has a number of aims:

1. To assess the suitability of the respirator for each person for use in real situations.

Due to natural variations in human facial features, no one size or style of full

facepiece can be guaranteed to fit everyone. A QNFT, properly conducted, can be

used to determine if the respirator is suitable for each user.

2. If the respirator is found to be unsuitable, to determine if the same respirator fitted

with the Full Face Mask Insert (SEA-FI) is suitable.

The Full Face Mask Insert is an adhesive-backed foam strip, inserted behind the

face seal, intended to accommodate unusual facial features or small faces. Once

again, a QNFT must be performed to determine if this configuration is suitable

for each user.

3. To train each user in the correct donning technique that will ensure a good facial fit

during future use.

It is extremely important that the donning technique learned by each user during

the QNFT is employed in all future use, where fit testing will not normally be

available. In particular, the head harness tension used to pass the QNFT should be

appropriate for extended use in real situations; if excessive harness tension is

needed to pass, the respirator should be considered unsuitable, and should not be

used by that person.

QNFT Procedure

The recommended method for performing the QNFT is with the S.E.A. Fit Test Adapter

(FTA-400). Alternatively, a modified test facepiece may be used.

Both methods are described below.

SE400 user instructions —600006 N

To prepare for a QNFT using the Fit Test Adapter FTA-400:

1. Detach the breathing hose from the SE400 facepiece

2. Attach the FTA-400 to the facepiece in place of the breathing hose and attach a

HE/P100 particulate filter, following the user instructions provided with the FTA-

400. The SE400 facepiece is now configured as a negative pressure respirator. The

SE400 fan unit is not required for this test

3. Check that the facepiece, demand valve and FTA-400 are complete and correctly

assembled

4. Don the respirator in accordance with section Donning the SE400 step 2, steps 4

through 8 and step 12

To prepare for a QNFT using a test facepiece:

1. Detach the breathing hose from the SE400 facepiece

2. Attach to the breathing hose a modified SE400 test facepiece containing a sampling

port connecting to the breathing zone of the facepiece. The test facepiece should be

leak tested by a suitable method prior to use.

3. Fully assemble the SE400, including filters. The SE400 can now be tested, with the

blower off, as a negative pressure respirator

4. Don the respirator in accordance with section Donning the SE400 steps 1 through 8

and steps 12 and 15

To perform a QNFT:

1. Prepare and don the respirator using one of the methods described above

2. An assistant should inspect the fit of the respirator. Check for significant gaps

between the rim of the facepiece and the user’s face. If significant gaps are visible,

consider fitting the Full Face Mask Insert (SEA-FI). Doff the facepiece, fit the Insert

in accordance with its user instructions, and don the facepiece as before.

3. Enter the test atmosphere (if required) and connect the test instrument’s sampling

tube to the sampling port on the FTA-400 or test facepiece

4. Perform an appropriate QNFT exercise sequence and determine the fit factor

i. If the fit factor is 2000 or greater, the respirator should be considered

suitable for the user. No further testing is required

ii. If the fit factor is less than 2000, an observer should check that the

respirator is correctly assembled, and properly fitted in accordance

with section Donning the SE400 step 12. The user should check head

harness tension and adjust if necessary. Go to step 5 below

iii. If during step ii above the observer detects fitting problems which

cannot be overcome by adjustment –in particular, visible gaps

between sealing rim and the user’s face –the Full Face Mask Insert

(SEA-FI) may provide a solution. Doff the facepiece, fit the Insert in

accordance with its user instructions, and don the facepiece as before.

Go to step 5 below

5. Repeat the QNFT and determine the fit factor

oIf the fit factor is 2000 or greater, the respirator in the configuration tested –

with or without Insert as appropriate –should be considered suitable for the

user. No further testing is required

oIf the fit factor is again less than 2000 the respirator should be considered

unsuitable and should not be used by that person

Note: Some “trial and error” is acceptable when carrying out facepiece fit testing. Sound

judgement by experienced personnel is essential when assessing the suitability or otherwise of

a respirator. Remember that the donning and adjustment method used during testing must be

appropriate for subsequent use in real situations.

SE400 user instructions —600006 N

PREPARATION FOR USE

Assembling the SE400

Before use, check that the SE400 is fully assembled. To assemble, consult the relevant section

of the user instructions, as noted below.

Breathing hose connection to fan unit –consult section Disassembly and reassembly

Breathing hose connection to facepiece –consult section Disassembly and reassembly

SE-talk speaker unit –consult section Disassembly and reassembly

Battery –consult section Batteries

Harness:

oStandard waist belt –consult section Waist belt

oBack pack –consult user instructions supplied with the back pack

Dual battery adapter (if required) –consult user instructions supplied with the adapter

Filtration media –consult section Filtration media

Donning the SE400

The user must be familiar with and practise the donning and doffing procedures prior to

respirator use.

Warning

Men should be clean-shaven, and should not have facial hair such as beards or large

sideburns. Facial hair can seriously compromise the face seal and result in reduced

protection.

Note: Before donning a respirator for the first time, perform a facepiece fit test per section

Facepiece Fitting (applies to full facepieces only).SEA recommends that each new (unused)

respirator be tested for facepiece fit even if the user is experienced with the respirator.

Note: Users who have been approved to use the SE400 only with Full Face Mask Insert (SEA-

FI) should check that the insert is correctly fitted and is in good condition prior to donning.

Note: Before first use and after maintenance, perform a respirator “Self-Test”. Refer section

Operation.

Note: Users should be well hydrated before donning and using the respirator.

Note: When donning the SE400 with an SE-shield protective suit, consult the SE-shield user

instructions.

Procedure:

1. Visually inspect the respirator for completeness, correct assembly and lack of

damage

2. Put the facepiece neck strap over your neck

3. Put on the fan unit (with back pack or waist belt) and adjust the straps

4. Fully loosen the head harness straps

5. Clear all hair away from your face. A thin elasticised head band may be used,

provided it is kept clear of the face seal

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