Franklin Fueling Systems NANOVAPOR NV-SS ST-1000, Installation And Operation Manual, Page: 36 / 60

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• Tank Chamber – The chamber is to be at the correct LEL for the work being conducted.
Polluted water and contaminated brickwork / chamber walls can lead to LEL spikes
inside the chamber and tank when the NanoVapor™ application connections have been
removed the LEL from the tank chamber will flow into the tank causing a spike at the
bottom of the tank similar to water flowing from a bath down the plug hole.
• Sludge – Sludge removal should be carried out as efficiently as possible using flexible
hoses in conjunction with a water sweep where appropriate. NanoVapor™ has designed
a fuel / sludge removal system that can be inserted into a tank without the need to
remove the tank lid. The system is called All Tank Access (ATA) and can be connected to
any air driven pump or vacuum truck suction pipe
• Level – The tank level is to be checked to ascertain whether there is a likelihood of
excessive sludge build up and fuel residue at the hard to reach low end of the tank. If
fuel and sludge cannot be removed, wash water will also be equally difficult to remove
after cleaning, which will contaminate the new fuel being placed inside. A free from
water certificate must be issued before the tank is brought back into service if the tank
has had water inside it
3. Position the compressor outside of any hazardous locations as defined by your work
procedures.
CAUTION
: Use proper lifting techniques when moving the NV-ST-1000 TankSafe™ Delivery
Unit. It is recommended that two people lift or move the unit at all times.
WARNING : Make sure the location where the unit will be operating conforms to ATEX
classification II 2GD IIC T4.
4. Position the unit 3 m (10 ft) from the tank inlet or as close as practical. This minimizes
pressure drop in the system and maximizes unit performance.
5. Position unit so the outlet side of the unit is facing towards the tank inlet.
IMPORTANT : Fuel tanks must always be earthed (grounded) according to standard industry
practices.
6. The earthing (grounding) wire is already connected to the NV-ST-1000 TankSafe™ Delivery
Unit. Deploy the wire. If there is corrosion or damage, repair it before operating the
NV-ST-1000 TankSafe™ Delivery Unit.
7. Measure the electrical resistance between the earth (ground) clamp and the spray nozzle
plunger at the inlet of the NV-ST-1000 TankSafe™ Delivery Unit. If it is more than 10 Ohms,
contact FFS for assistance.
8. Extend the earth (ground) wire, and attach it to an approved and verified earth point.
Connecting air and TankSafe™ product supplies
The NV-ST-1000 TankSafe™ Delivery Unit is supplied from a twin tool air compressor capable of
supplying between 70 CFM (118.0 m³/hr / 1.98 m³/min) and 150 CFM (260 m³/hr / 4.3 m³/min) @
7 bar (100 psi). Anything greater than this maximum could cause longer degassing times due to
excess back pressure into the UST. If the compressor delivers more than the required flow, slightly
close the outlet valves on the compressor to restrict the flow.
IMPORTANT : Make sure the compressed air supply does not exceed 60° C (140° F) to prevent
damage to the air filters.