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• the functioning with ambient temperatures above 40°C
2.3 USE LIMITS
• working pressure depending on the type of pump (see booklet) and use limits of the membrane reservoirs
• minimum intake pressure depending on the NPSH value requested by the pump and load losses (with safety margin
of 0.5/1.0 metres)
• the maximum pressure at intake summed to the maximum pressure of the pump must be lower than the working
pressure
3. SAFETY REGULATIONS
The "Booster set" units, if correctly installed, function in automatic mode and do not therefore present particular or significant
risks linked to their normal use.
The handling, installation, maintenance, eventual repair and dismissal of the units described in this manual
must be carried out by qualified staff that has read and understood the content of this manual and the eventual
attached documentation. The running of the units can also be carried out by unqualified staff.
Remove voltage by disconnecting from the electric power supply before carrying out any maintenance or repair
operations on the units. Place the protection switches upstream of the system in position off or remove the plug
from the power supply socket. In case of fire in the electric equipment, do not use water to put it out.
The units use motor-driven pumps with mechanical parts in motion fully protected against accidental contacts,
by means of suitable sumps. Every responsibility is declined in case of damages to persons, animals or things
caused by the removal of or tampering with said devices.
The pressurisation unit is an automatic system, therefore the pumps can start without warning. It is therefore
necessary to pay maximum attention before any intervention.
4. INFORMATION ON OVERHEAD NOISE
For information on the power and acoustic pressure level, refer to that reported on the instruction booklet of the pumps.
5. INSTALLATION
Do not disperse the packaging materials in the environment, but keep to the regulations in force on the disposal of waste.
5.1 HANDLING
The units are delivered in cardboard packages on appropriate pallets and can therefore be transported by means of lifting trolley
or pallet truck.
It is necessary to verify that the maximum capacity of the hoisting mean is compatible with the weight of the unit.
In case of handling from above (crane, bridge crane, forklift) it is necessary to hook the unit by passing suitable belts from underneath
the pumps, in front and behind the fixing points on the base, in order to avoid the possibility of capsizing. Proceed cautiously to avoid
accidental impacts.
5.2 ASSEMBLY AND DISMANTLING
The units are delivered fully assembled and do not therefore require any assembly operation, if not for additional requested
accessories.
Verify that the positioning is on a flat and regular surface, act at supporting the weight of the unit and sufficiently spacious to
allow the carrying out of use and maintenance operations in safe conditions.
For every dismantling intervention that should be necessary, pre-emptively proceed to the hydraulic and electrical insulation
of the components to be dismantled.
ATTENTION
Remember that for every dismantling and assembly operation it is a good rule to check and, if necessary, replace, the
gaskets and to fasten the flanges proceeding progressively for nuts diametrically opposite.
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