Sundstrom SR 500 User manual

2020-04-23
OI06H-0118 SR 500 1
Operating instruction
SR 500
Revision: 04

General information
Instructions for use for SR 500 should be read before use.
The SR 500 is a battery-powered fan that is included, together with the filter and approved human interface, in
the Sundström respiratory protective system conforming to EN 12941/12942:1998 class TH3/TM3.
Available head tops for the SR 500 are listed in Instructions for use.
When selecting filters and head top, the following are some of the factors that must be taken into account:
▪Types of pollutants
▪Concentrations
▪Work load
▪Protection requirements in addition to respiratory protection
The risk analysis should be carried out by a person who has suitable training and experience in the area.
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Unpacking the SR 500
Packing list:
•Fan unit SR 500
•Battery, STD
•Battery charger SR 513
•Belt SR 508
•Particle filter SR 510 P3 R, 2x
•Filter adapters, SR 511, 2x
•Pre-filters, SR 221, 10x
•Pre-filter holders, SR 512, 2x
•Flow meter SR 356
•User instructions
•Cleaning tissue SR 5226
•Plug kit 2020-04-23
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1. Assembling the fan unit, battery
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1.1 On delivery, the battery is
fitted to the fan with a
protective tape over the
battery terminals. Release the
battery by placing the fan
upside down.
Fold back the cover/lock on
the battery a couple of
centimetres and then push
with the other thumb.
1.2 Remove the protective
tape.
1.3 Connect the power supply
lead to the battery charger.
Connect the battery to the
battery charger. Connect the
power supply lead of the
charger to the wall socket.
N.B. Mains voltage of 100-
240V.
Charging takes place
automatically in 3 steps
1. Orange LED
2. Yellow LED
3. Green LED
Push the battery back into the
battery compartment. Check
that the battery has been
pushed in as far as it will go
and that its lock is operative.

2. Assembly belt
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2.1 Assemble the belt by
pressing together the two
halves of the buckle.
2.2 The belt should be
mounted so that the belt is
pointing upwards.
Insert the three tongues of
the belt half into the slot in the
fan.
Begin to insert the upper
tongue and then turn the belt
into the fan.
2.3 Press down the three lips
locking the belt half.
2.4 Correctly mounted belt.

3. Particle filter
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3.1 Check that the gaskets in
the filter mounting of the fan
unit are in place and are in
good condition.
3.2 Snap the filter onto the
filter adapter.
3.3 Do not press onto the
centre of the filter –it might
damage the filter paper.
3.4 Screw the adapter into
the filter mounting so far that
the adapter will be in contact
with the gasket.
Then turn it about 1/8 turn
further in order to ensure a
good seal.

Particle filter
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3.5 Fit one pre-filter into the
filter holder.
3.6 The pre-filter should have
slipped under the shoulders
in the pre-filter holder.
3.7 Press the filter holder
onto the particle filter.
3.8 Correctly mounted pre-
filter holder with particle filter.

4. Combined filers, Gas filter + particle filter
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4.1 Snap the particle filter
onto the gas filter. The arrows
on the particle filter. must
point towards the gas filter.
4.2 Do not press onto the
centre of the filter it might
damage the filter paper.
4.3 Check that the gaskets in
the filter mounting of the fan
unit are in place and are in
good condition.

Combined filers, Gas filter + particle filter
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4.4 Fit one pre-filter, SR 221
into the filter holder.
4.5 Screw the filter
combination into the filter
mounting so far that the filter
will be in contact with the
gasket. Then turn it about 1/8
turn further in order to ensure
a good seal. Press the filter
holder onto the particle filter.
4.6 Correctly mounted pre-
filter holder.
The filters used must be of the same type,
i.e. two SR 510 P3 or two SR 518 A2/SR 510 P3, etc.
When filters are changed, both filters/combined filters must
be changed at the same time.

5. Operation/Performance
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5.1 Start the fan by pressing
the control button.
5.2 After the button has been
pressed, a programmed test
will be run on the fan and the
display will then light up, the
audible signal will sound, and
the vibrator will vibrate twice.
5.3 If the button is pressed
again, the flow will increase to
240 l/min, and this is
indicated by the large fan
symbol lighting up.
If the control button is
pressed again, the fan flow
rate will revert to 175 l/min
and the small fan symbol will
again light up.