NARDI COMPRESSORI DH-E12-180-3 Nardi Diving Hookah Extreme Instruction Manual
- July 12, 2024
- NARDI COMPRESSORI
Table of Contents
NARDI COMPRESSORI DH-E12-180-3 Nardi Diving Hookah Extreme
The EXTREME Hookah in NARDI COMPRESSORI’s oilless range suits medium duty applications supplying multiple divers while remaining remarkably compact and lightweight. The rugged design incorporates a 5 litre air tank.
The CE mark indicates that the compressor complies with CEE Directives 89/392, 89/336, 87/404, EN 292/2, EN 294, EN 60204-1
Manufactured in Italy, the NARDI diving Hookah range utilise their renowned oilless piston compressor pumping units, distributed around the world with a well-deserved reputation for quality, reliability, and quiet operation.
Specifications
Power Source: Electrical
Motor: 1.50Hp – 2.00Hp
Compressor: 2 Cylinder / Oilless
Air Intake: 1.50Hp = 240 lpm / 2.00Hp 1400rpm = 350 lpm
Pressure – Tank: 10 Bar (142 psi)
Pressure – Outlet: Adjustable – 0 to 10 Bar (0 to 142 psi)
Tank: 5 Litre
Max. Number Of Divers: 2 Max. Recommended Depth: 15 metres
Unit Dimensions: 530mm(L) X 310mm(W) X 390mm(H) Packaged
Dimensions: 590mm(L) x 350mm(W) x 440mm(H) Unit Weight: 1.50Hp = 23 kg /
2.00Hp 1400rpm = 27 kg
Noise: 72 dB
Warranty: 24 Months
Unpacking & Assembly
Packing List
- Nardi Diving Hookah
- Nardi Hose / Regulator (17m)
- Operation & Maintenance Manual
Carefully remove the diving hookah and accessories from the box. Check that all the items listed above are included. Inspect the diving hookah carefully to ensure no damage occurred during shipping. Do not discard the packaging materials until you have inspected and satisfactorily operated the diving hookah.
This model Nardi Diving Hookah requires no assembly.
General Diving Hookah Safety
Diving can be dangerous at ANY depth. This diving hookah should ONLY be used by suitably trained persons. If you are not suitably trained, then you should undertake an accredited diving training course before operating the diving hookah.
- Do Not rely solely on the diving hookah. The diving hookah is an excellent primary source of breathing air, however it is a mechanical device which can stop supplying air at any moment and without warning due to a malfunction, disruption of power supply or disruption of air supply. A backup source of breathing air should always be present when diving. A “Bailout Bottle” also known as a “Pony Bottle” with integral regulator is an excellent backup air supply. Any backup air source needs to be sized sufficiently for a controlled ascent to the surface.
- Do Not dive alone.
- Do Not operate the diving hookah if any components are damaged or inoperative. Check the diving hookah and its accessories before use.
- Do Not modify the diving hookah or its accessories. Do not operate the diving hookah if it has been modified.
- The Breathing Air supplied to the diver is only as safe as the air at the diving hookah. The breathing air utilised by the diver is being drawn from the air at the diving hookah cooling fan. Be constantly mindful of the air quality where the diving hookah is located. Boat motors, generators, fuel supplies and batteries are all potential sources of breathing air contamination.
- Cooling of the diving hookah is reliant on airflow. Allow room around the diving hookah for sufficient airflow needed for motor and compressor cooling.
- Prior to any Maintenance being undertake, ensure the diving hookah is switched off and drained of all pressurised air. For a 230v electric diving hookah, remove the plug from the electrical socket. For a 12v or 24v electric diving hookah, disconnect the electrical cables from the battery.
- Prior to any Maintenance being undertaken, ensure the diving hookah has cooled to room temperature.
Diving Hookah Operation
Location : Position the diving hookah on a stable and reasonably level
surface. The diving hookah does not contain any lubricating fluids so the
surface does not need to be perfectly level. Locating the diving hookah on an
excessively sloped surface however could allow it to slowly ‘creep’ due to
vibration while running. Ensure there is sufficient room around the diving
hookah to allow a free flow of cooling air to the cooling fan and from the
cooling fan.
Be mindful that the diving hookah draws breathing air from underneath the
cooling fan cover. The air being drawn into the cooling fan is the air that
will be supplied to the diver. Be constantly mindful of the air quality at the
cooling fan. Boat motors, generators, fuel supplies and batteries are all
potential sources of breathing air contamination.
Power Connection: Connect the diving hookah only to a 230 volt power
outlet with Earth Leakage Protection. Ensure the connection is secure.
The unit is fitted with a 1.8m cable. Extending the cables over greater
distances will result in a drop in voltage reaching the electric motor. Lower
voltages reaching the motor can cause damage and overheating. Additionally
lower voltage will reduce the rpm of the motor thereby reducing the air
output. Any extension leads utilised should be of a minimum length and should
be heavy duty type.
Hose Connection : The supplied hose/regulator assembly should be connected to the breathing air outlet located on the end of the diving hookah filter assembly. The hose connects by simply pushing the male hose connector into the female air coupling. Ensure that the chrome outer ring of the air outlet clicks back into place securely. Ensure that the connection is secure.
Switching The Diving Hookah On : The diving hookah’s Electrical Control
Box incorporates a red ON/OFF switch.
The diving hookah is switched on by turning the red switch to the AUTO
position. The compressor will then run and pressurise the air storage tank to
approximately 10 Bar. The compressor will then switch off automatically. The
compressor will cycle on and off as air is used by the diver, constantly re-
pressurising the air storage tank to approximately 10 Bar.
Outlet Pressure Regulation : The outlet air pressure (air to the diver via the filter) is reduced by a pressure regulator. The pressure regulator is mounted under the pressure gauge and the pressure gauge displays the regulated outlet air pressure. The pressure regulator can be adjusted by pulling the red adjustment knob up until it clicks and then turning the knob until the desired outlet pressure is obtained. Once adjusted, the knob should be pushed back into place until it clicks. The outlet air pressure will be factory set to approximately 4 Bar and adjustment is not generally necessary. Raising the outlet air pressure can place excessive strain on the diving air hose, fittings and 2nd stage regulator/mouthpiece.
Using The Diving Hookah As An Air Compressor : This model diving hookah
is fitted with a standard Nitto compressed
air outlet and can be use as an oilless air compressor. Oilless compressors
are not designed to run continuously and are therefore not designed to operate
high air flow tools for long periods of time. The compressor requires pauses
in operation to prevent overheating.
After Use : After diving operations are completed the diving hookah should be switched off by turning the red ON/OFF switch to the OFF position. The air storage tank should be drained of air via the drain valve located on the lower side of the tank. Moisture which has accumulated in the tank during operation will also drain and this is quite normal. It is also normal for the moisture to contain discolouration.
Two Diver Operation
This model diving hookah is capable of supplying breathing air to two divers
simultaneously by utilising a ‘Nardi
Additional Diver Kit’. The Additional Diver Kit includes a Nardi T-Coupling
and an additional Nardi Hose/Regulator. The T-Coupling is fitted directly to
the breathing air outlet on the diving hookah, allowing the connection of two
Nardi Hose/Regulator Assemblies. See picture below showing the correct
installation of a Nardi Additional Diver Kit.
NOTE: The Nardi T-Coupling is designed for installation directly to the
breathing air outlet of the diving hookah. It is
not designed to be fitted to an extension hose underwater. The connectors of
the Nardi T-Coupling are not lockable and could be inadvertently disconnected
if caught on a submerged object.
Maintenance
The diving hookah requires very little maintenance.
Air Leaks : The user should always be on the lookout for air leaks. An air leak will cause the diving hookah to run longer and more often than necessary which will be detrimental to the machine. An air leak will usually be audible. Air leaks may also be present if the air storage tank continuously loses pressure. Once switched on, the diving hookah should pressurise the air storage tank to approximately 10 Bar and the tank pressure should remain at 10 Bar until air is used by the diver. A suspected air leak can be easily located using soapy water. Any air leaks found should be rectified before continuing to use the diving hookah.
Breathing Air Filter Cartridge : The breathing air filter (mounted on the air storage tank) contains a replaceable filter cartridge. The filter cartridge should be replaced every 12 months. If the diving hookah is being used regularly in a commercial setting, then it may be necessary to replace the cartridge more frequently. The filter cartridge can be accessed by unscrewing the knurled aluminium end of the filter housing along with the diving hose connector. Replacement filter cartridges are available from AC Diving (Part Number AC036-101).
Service Kits: Service / Rebuild Kits are available for the diving hookah (Part Number EX041-160). The Service Kit includes replacement Piston Seals, Gaskets, O-rings and Air Suction Filters. A service kit may be required if the diving hookah has been operated extensively in a commercial setting or if the diving hookah has been overheated.
Spare Parts
All replacement parts are available from AC Diving. Parts Diagrams can be viewed below.
Warranty
Your Nardi Diving Hookah is covered by a 24 month warranty against defective components. The warranty does not cover normal wear and tear, nor does it cover defects caused by misuse or operation not in accordance with the supplied Operation & Maintenance Manual.
Recycling:
The compressor must be scrapped according to disposal norms in the country
where it will be disposed of.
NARDI
COMPRESSORI thanks you for respecting the environment.
Customer Support
Nardi Compressori Srl
Via Marco Polo, 2 36075
Montecchio Maggiore (VICENZA) ITALY
Tel. +39.0444.159111 – 497514 -694885
Fax. +39.0444.159122
Mail. info@nardicompressori.com
