airbox VARIFLOW User manual

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please contact us:
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User Manual
VARIFLOW/VARIFLOW 8
thank you for choosing this Airbox product
Specications:-
Flow Range VARIFLOW: Adjustable 5 -17 l/min (with 0.8 micron cellulose lter)
Flow Range VARIFLOW 8: Adjustable 5 -10 l/min (with 0.8 micron cellulose lter)
Flow Stability: +/- 3%
Battery Pack: (1x) 12 Volt (8.5 amp min) Lead Acid
Charge Time: 6 - 8 Hours Max
Continuous Duration VARIFLOW: 3+ Hours @ 16 l/min, 8+ Hours @ 8 l/min
(with 0.8 micron cellulose lter)
Continuous Duration VARIFLOW 8:8+ Hours @ 8 l/min (with 0.8 micron
cellulose lter)
Display: OLED, elapsed run time and battery indicator
Material: HF ABS
Waterproof: To IP65
CE Marked: Yes
Dimensions: H38cm x W24cm x D12cm
Mast extends to: Up to 2.0 metres
airbox
sampling products
Find us online at
www.airboxsp.com
t: [phone]
e: [e-mail]
Airbox Sampling Products , Technology Centre,
Easting Close, Worthing, West Sussex BN14 8HQ
airbox
sampling products
V1

Dear Customer
Thank you for purchasing this Airbox product. To ensure that you get the best
possible use from it, please read this manual carefully.
You can also nd a ‘Using the Variow’ video on the website at www.airboxsp.com
under the Resource Centre tab.
Your sincerely
The Airbox Team
Airbox Sampling Products is a wholly owned subsidiary of:
FermionX Ltd,
Technology Centre,
Easting Close, Worthing
West Sussex BN14 8HQ
Declaration of conformity
We herewith conrm, that the unit to which this manual belongs meets the
necessary requirements to obtain the sign
1
TABLE OF CONTENTS
1. Setting up and using the VARIFLOW/VARIFLOW 8.......................................4
1.1 Charging the battery........................................................................................................4
1.2 Running the VARIFLOW/VARIFLOW 8 from the mains......................................... 4
1.3 Removing the waterproof covers.................................................................................4
1.4 Switching on and setting the ow rate - VARIFLOW/VARIFLOW 8...................5
1.5 Setting test mode..............................................................................................................6
1.6 If ‘Free Running’ is selected..............................................................................................6
1.7 If ‘Timed Test’ is selected..................................................................................................6
2.Maintenance.........................................................................................................7
2.1 Replacing the battery.......................................................................................................7
2.2 Replacing the mast...........................................................................................................7
2.3 Cleaning the unit ..............................................................................................................8
2.4 Servicing & Warranty........................................................................................................9
3. Troubleshooting..................................................................................................9
3.1 Pump will not start, red LED illuminated..................................................................9
3.2 Pump will not start, no display......................................................................................9
3.3 Flow rate doesn’t reach required level.......................................................................9
3.4 Pump stops while running, red LED illuminated....................................................9
3.5 Pump fails to run for specied duration....................................................................9
4. Parts.....................................................................................................................10
2

1. Setting up and using the VARIFLOW/VARIFLOW 8 pump
Before you use the VARIFLOW/VARIFLOW 8 pump make sure it is fully charged. A
battery level indicator shows the available power when the unit is rst switched on.
1.1 Charging the battery
When the charger is plugged into the charging socket a red LED will be
illuminated. The LED will change to green when the battery is fully charged. It takes
approximately 6-8 hours to completely charge the battery.
1.2 Running the VARIFLOW/ VARIFLOW 8 from the mains
The VARIFLOW/VARIFLOW 8 can be run directly from the mains but only when used
with the optional 4A charger (Product Code: PT30592LF) NOTE: Battery must be
attached.
1.3 Removing the waterproof covers
IMPORTANT: Before switching the unit on, ensure the yellow waterproof covers are
removed from the air outlet and from the bottom of the air sampling head.
34
Easy use telescopic mast
Designed to be replaceable.
Easy to store hose
(patent pending).
Accessible battery compartment
For fast battery replacement.
Fully waterproof casing (to IP65)
For quick, easy cleaning
for decontamination.
Comfortable to carry case
(i.e 2 back to back in one hand).
CE marked.
Fully EMC compliant.
2 years Warranty
Highly visual display
Custom designed, easy
to use OLED control panel.
The VARIFLOW/VARIFLOW 8
Models distinguished by
logo on battery housing.
Air outlet cover
Waterproof cap for air
sampling head

5 6
1.7 If Timed Test is selected
Press start/pause the display shows ‘Enter Run Time’
Press arrows to adjust time:-
Press start/pause to move between (Hrs) 00 (Mins) 00 (Sec) 00.
Press start/pause the pump runs and the timer starts. When the time has elapsed
the display shows ‘Test Completed - Check Flow’.
Press stop display shows ‘Test completed - Check Flow’.
Press stop display shows ‘Connect ow meter’ (now reconnect your ow meter to
check the ow rate).
Press start/pause display shows ‘Flow Check’ (any increment changes made when
setting the ow rate (see 1.4) will be shown.
NOTE: Wait 45 seconds for ow rate to stabilise.
Press stop display shows ‘Flow Check Complete’
Press stop to shutdown.
NOTE: If the pump switches itself o during either Free Running or Timed Test (i.e if the battery dies or
the sampling head gets blocked) on restart it will either show:-
1. ‘Test Incomplete, Restart Test?’, in which case just recommence test.
2. ‘Test Completed Check Flow’, in which case continue as instructions above.
3. ‘Low battery’, in which case either replace battery (within 10 minutes of disconnecting old one) or
charge pump directly from the mains for a short time to complete the ow check.
1.6 If Free Running is selected
Press start/pause the pump runs and the timer starts counting, (you can pause
during the test by pressing start/pause)
Press stop when the test is complete and the display shows ‘Test Stop? Are you
sure?’ If you are not sure, press start/pause to continue test, if you are sure:-
Press stop display shows ‘Test completed - Check Flow’.
Press stop display shows ‘Connect ow meter’ (now reconnect your ow meter to
check the ow rate).
Press start/pause, display shows ‘Flow Check’ (any increment changes made when
setting the ow rate (see 1.4) will be shown).
NOTE: Wait 45 seconds for ow rate to stabilise.
Press stop display shows ‘Flow Check Complete’.
Press stop to shutdown.
1.4 Switching on and setting the ow rate
NOTE: The two models are slightly dierent, please make sure you read the
correct model instructions.
VARIFLOW
Before switching on the VARIFLOW connect a ow meter to the air sampling head.
Press start/pause to switch on the unit. The display will show, in this order, the serial number,
the current rmware version and the battery status.
Press start/pause the display shows ‘Flow not set’.
Press either arrow to open Calibration Mode and to Set Flow.
Press arrows to select Low or High. (Low is approx 8 l/min, High is approx 16 l/min).
Press start/pause to start the pump. NOTE: Run for 45 seconds to allow to stabilise.
Press up/down arrows to adjust ow rate. (A single press advances the display by one
increment, holding while pressing advances the display by 10 increments).
Check the ow rate against the ow meter and adjust acording to ow requirements. (Any
increment changes will be saved for the post test ow check, see 1.6/1.7).
To conrm and set the ow rate press stop.
IMPORTANT: If pump is shutdown between setting the ow and starting the test,
ow will have to be reset by repeating the steps above.
VARIFLOW 8
Before switching on the VARIFLOW 8connect a ow meter to the air sampling head.
Press start/pause to switch on the unit. The display will show, in this order, the serial
number, the current rmware version and the battery status.
Press start/pause the display shows ‘Flow not set’.
Press either arrow to open and start Calibration Mode and to Set Flow.
The pump is set at aprox 8 l/min as a default, to ne tune this:-
Press start/pause to start the pump. NOTE: Run for 45 seconds to allow to stabilise.
Press up/down arrows to adjust ow rate. (A single press advances the display by
one increment, holding while pressing advances the display by 10 increments).
Check the ow rate against the ow meter and adjust acording to ow requirements.
(Any increment changes will be saved for the post test ow check, see 1.6/1.7).
To conrm and set the ow rate press stop.
IMPORTANT: If pump is shutdown between setting the ow and starting the test,
ow will have to be reset by repeating the steps above.
1.5 Setting test mode
Press start/pause the display will show ‘Set test mode’.
Press arrows to select ‘Free Running’ or ‘Timed test’.

2.1 Replacing the battery
The VARIFLOW/VARIFLOW 8 pump has been specically designed to make
replacing the battery a quick and easy task. Simply undo the two screws on the
front of the battery housing, pull o the terminal connectors, remove the battery
and replace.
NOTE: This process is made easier if pump is lying on it’s back.
IMPORTANT: The terminals on the battery are colour coded red and black to match
the red and black wires of the unit. When tting a new battery make sure that these
match up correctly.
2.2 Replacing the mast
The mast is secured on the unit in a threaded housing, so to replace just unscrew
and remove.
IMPORTANT: Please do not lift the pump by the mast.
2.3 Cleaning the unit
The casing of the VARIFLOW/VARIFLOW 8 pump is made from a hard wearing ABS
structural foam, making it incredibly rugged and also very easy to clean. Tested to
IP65 standards (‘Protected against low pressure water jets from any direction.’) The unit
can be cleaned under a shower hose.
2. Maintenance
7 8
Threaded housing

3. Troubleshooting
3.1 Pump will not start, red LED illuminated
Battery voltage may be too low, check the battery level and recharge the battery.
If the pump still doesn’t start, contact the Airbox service department.
3.2 Pump will not start, no display
Flat battery, recharge or replace the battery.
3.3 Flow rate doesn’t reach required level
Ensure the yellow waterproof safety caps have been removed.
Check tube for kinks and that the sampling head is not blocked.
If ow rate is still insucient, contact the Airbox service department.
3.4 Pump stops while running, red LED illuminated
Check tube for kinks and that the sampling head is not blocked.
If the ow rate is still insucient, contact the Airbox service department.
Check the battery level and recharge if required. Replace the battery if necessary.
3.5 Pump fails to run for specied duration
Check the battery level and recharge if required. Replace the battery if necessary.
2.4 Servicing & Warranty
The VARIFLOW/VARIFLOW 8 pump is covered by our exclusive warranty and in the
event that the unit fails we will undertake the repair free of charge for up to 2 years
from the date of purchase. The warranty covers the costs of materials and labour
(with the shipping costs to be covered by the customer) and is valid under the
following conditions:-
a) Please complete and return the warranty registration card.
b) The defect must not have been caused by improper handling or misuse.
c) Return the unit to us in the decontamination bag provided by Airbox. We will not
assume responsibility for transport damage under any circumstances.
d) A short description of the defect must be included with the returned unit.
A full warranty statement is available on our website or from our customer service team.
9 10
4. Parts
Spare parts for the VARIFLOW/VARIFLOW 8 pumps can be ordered from our online
shop at www.airboxsponline.com using the following part numbers:-
Product Code Name Description
PO1554 VARIFLOW VARIFLOW Air Sampling Pump (with UK/
EU charger)
PO1554/KIT VARIFLOW VARIFLOW Air Sampling Pump (with UK/
EU charger, sampling head & spare mast)
PO1764 VARIFLOW 8 VARIFLOW 8 Air Sampling Pump (with
UK/EU charger)
PO1764/KIT VARIFLOW 8
VARIFLOW 8 Air Sampling Pump (with
UK/EU charger, sampling head & spare
mast)
PO1617 Sampling head Air sampling head
PO2934347LF 1Ah Variow charger Battery charger VARIFlOW 12V 1A SLA
(standard supply)
PT30592LF 4A Variow charger Battery charger 4A Lead Acid
PT27259 Lead acid battery-
Variow
Battery 12V NP sealed- lead acid 8.5Ah,
(min) Rechargeable.
PT29482LF Variow mast Telescopic mast for VARIFLOW -2m
PT28297LFKIT Cap & Plug Kit (x10) Sampling head cap & plug kit -
(pack of 10)
PT28299LF Filter support pad Filter support pad 25mm porous plastic
pack (10)
PT28301LF Sampling head
O ring 25mm/OD 1.9mm/CS Virgin PTE (pack 10)