Sundstrom SR 700 User manual

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Operating instruction
SR 700

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General information
The SR 700 is a battery-powered particle filter fan unit that, together
with particle filter and head top - hood, visor, welding shield, helmet
with visor or full face mask - is included in the Sundström fan-
assisted respiratory protective device systems conforming to EN
12941/12942:1998 and to Sundström Powered Air Purifying
Respirator (PAPR) system conforming to AS/NZS 1716:2012.
Following face pieces are compatible:
SR 200 Full face mask
SR 520 S/M and M/L Hood
SR 520 S/M Hood
SR 530 Hood
SR 540 Face shield
SR 561 Hood
SR 562 Hood
SR 580 Helmet with Visor
Welding shield together with helmet with visor SR 584/SR 580.
Gold-plated shield together with helmet with visor SR 587/SR 580.
Shield 2/3, EN 3 together with helmet with visor SR 588-1/SR 580.
Shield 2/3, EN 5 together with helmet with visor SR 588-2/SR 580.
SR 590 Welding shield
The SR 700 can be used as an alternative to filter respirators in all
situations for which these are recommended.
This applies particularly to work that is hard, warm or of long
duration.
When selecting filters and head top, the following are some of the
factors that must be taken into account:
• Types of pollutants
• Possible occurrence of explosive atmosphere
• Concentrations
• Work intensity
• Protection requirements in addition to respiratory protective device
The risk analysis should be carried by a person who has suitable
training and experience in the area.

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3.1 Unpacking SR 700
Check that the equipment is complete
in accordance with the packing list and
has not been damaged in transit.
Packing list:
•1. Fan SR 700, bare
•2. Battery SR 701, 2,2 Ah
•3. Battery charger SR 713
•4. Belt PES SR 508
•5. P3 R Particle filter SR 510, 2x
•6. Filter adapter
•7. Pre-filter SR 221, 10x
•8. Pre-filter holder SR 5153
•9. Flow meter SR 356
•10. User instructions
•11. Cleaning tissue SR 5226
3.4 Filter
Read carefully the user instructions
accompanying the filters.
Particle filter
The fan unit may be used with only
particle filters P3 R (PAPR-P3), model
number SR 510 with filter adapter or SR
710, which provides protection against all
types of particles, both solid and liquid.
Note!
• When filters are changed, both filters
must be changed at the same time.
Pre-filter
The pre-filters SR 221 protect the main
filter against excessively fast clogging.
The pre-filter holders also protect the
main filters against handling damage.

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3.5 Assembly
Battery
Battery
Remove and charge the battery.
The charger carries out charging
automatically in three stages.
1. Orange LED.
2. Yellow LED.
3. Green LED.
Check that the gasket round the charge
contact in the fan unit is in place and is
in good condition.
After charging battery, mount it back
into the fan unit.

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3.5 Mounting
Belt
Put the belt halves together by pressing
the locking into each other.
The belt is mounted into the fan unit
with belt plate pointing upward.
Put the three tongues of the belt plate
into the back of the fan unit.
Start putting in the upper tongue and
then fold in the rest of them.

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All three tongues in place.
Press the three small tongues locking
the belt into the fan unit.
Correct mounted belt.

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Breathing Hose
Check that the O-ring at both ends of
the hose is ok.
Put hose connection into the fan unit.
Turn it a quarter of a turn clockwise to
lock it.
Check that the hose is firmly secured.

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Particle filters
Two filters must always be used at the
same time.
• Check that the gaskets in the filter
mounting of the fan unit are in place and
are in good condition.
If particle filter SR 510 is used, snap it
on the filter adapter without pressing
onto the centre of the filter.
Screw the filter into the filter mounting
so far that the adapter will be in contact
with the gasket.
Then turn it about 1/8 of a turn further in
order to ensure a good seal.

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Assemble the pre-filters.
Press the pre-filter holders onto the
particle filters.
Mounted pre-filter holders onto the
filters.

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3.6 Start/Switch off
Start the fan by pressing the control
button once.
The symbols on the display will light up
and the sound signal will sound.
The fan starts in normal operating status
(175 l/min).
Switch between normal and boosted
operating status (225 l/min) with the
control button.

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To switch off the fan unit, keep the
control button depressed for about two
seconds.
3.7 Performance check
Check of the minimum flow –MMDF
Check that the fan unit is complete,
correctly mounted, thoroughly cleaned
and undamaged.
Start the fan unit.
PU breathing hose:
Place the head-top in the flow meter and
grip the lower part of the bag to seal
around the breathing hose.
SR 551 Rubber breathing hose:
Place the head-top in the flow meter and
grip the lower part of the bag to seal
around the upper attachment of the
breathing hose.
Note.
You must not grip around the rubber
hose itself as this would either obstruct
the air flow or cause failure to achieve a
proper seal.

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Grip the flow meter tube with the other
hand so that the tube points vertically
upwards from the bag.
Read the position of the ball in the tube.
This should hover at a level with or
slightly above the upper marking on the
tube, (175 l/min).
If minimum flow is not achieved,
check that
- the flow meter is held upright,
- the ball moves freely,
- the bag seals well around the hose.

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3.6 Operation/performance
Checking the alarms
The equipment is designed to
provide a warning if the air flow is
obstructed.
Provoke an air flow stoppage by
gripping the top part of the bag or by
shutting off the flow meter outlet.
The fan unit should then initiate alarms
by sound and light signals.
If the air is again allowed to flow, the
alarm signals will automatically cease
after 10-15 seconds.
Turn of the fan unit and pick out the face
piece from the flow meter bag.
If minimum flow is not achieved or the
alarm signal doesn´t work the fan unit
must not be used.

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If the battery capacity is lower than 5 %
• A sound signal will be repeated twice
at intervals of two seconds.
• The yellow battery symbol of the
display will flash.
The battery symbol will flash
continuously, whereas the other signals
are repeated at intervals of 30 seconds
until about one minute remains before
the battery would be fully discharged.
The sound signal then changes to an
intermittent signal.
Action: Immediately interrupt the work,
leave the area and change/charge the
battery.
3.8 Putting the Equipment on
Take the fan unit on and adjust the belt
so that the fan unit is firmly and
comfortably secured at the back of your
waist.
Start the fan.
Put the head top on.

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Note that when a full face mask SR 200
is used, the hose should run along your
waist and up along the chest.
Make sure that the breathing hose runs
along your back and is not twisted.

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3.9 Taking the Equipment off
Leave the polluted area before taking
the equipment off.
• Take off the head top.
• Switch off the fan.
• Release the belt and remove the fan
unit.
After use, the equipment must be
cleaned and inspected.
4.1 Cleaning/Disinfection
Sundström cleaning tissue SR 5226 that
clean and disinfect are recommended
for daily care.
If the equipment is more heavily fouled,
use a soft brush or sponge moistened
with a solution of water and dishwashing
detergent or the like.
Rinse the equipment and leave it to dry.
N.B. Never use a solvent for cleaning.

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After cleaning, store the equipment in a
dry and clean place at room
temperature.
Avoid exposing it to direct sunlight.
The flow meter can be turned inside out
and can be used as a storage bag for
the head top.
4.3 Maintenance schedule
The schedule below represents the
minimum requirements for maintenance
routines in order to ensure that the
equipment will always be in functional
condition.

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4.4.1 To change the particle filters
Bear in mind that both filters must be
changed at the same time.
• Unscrew the filters.
Release the filter holders.
• Remove the filter adapter from SR 510

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Change the pre-filters in its holders.
Clean as necessary.
Fit new filters.

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4.4.1 To change gaskets
Screw out the filters.
• The gasket has a groove all round and
is fitted on a flange below the threads in
the filter mounting.
• Remove the old gasket.
Fit the new gasket onto the flange.
Check that the gasket is in place all
round.
Wash plugs
When showering or cleaning after for
example sanitary work, we recommend
using special wash plugs.