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Ascento Group Australia
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AI.062020
P: 1800 807 604
INSTRUCTION MANUAL & WARRANTY EXTERNAL PRESSURE PUMPS
APPLICATION: CONSTANT PRESSURE PUMPS are fit for purpose when installed correctly according to these instructions;
For pumping of Clean Fresh Water at a temperature of +5°C to +40°C to: Garden Taps, Houses, Sheds, Cabins, Pressure Boosting,
Clean Water Transfer, suitable Rain-to-Mains Systems (370Watt and greater motor size) and for no other use. They must not be used in
hazardous locations or for liquids other than clean water, or for continuous operation.
DANGER: DO NOT INSTALL ANY PUMP if the premises does not have a Safety Switch (RCD)
IMPORTANT:
Ensure the pump is the right size for your application, before you install it. A pump that is under-sized is not faulty, and is
not covered by warranty. Ensure the right size piping is used, small pipes reduce performance and cause the pump to use more power!
See below for further information, and refer to the information on the box and/or label on the pump for the performance data. If in doubt
consult with your dealer or a pump technician to ensure your pump is sized to suit your needs.
PERFORMANCE DATA
Refer to the information on the box.
NOTES: Performance data quoted is generally from test data, and can vary, and does not take into account factors in the installation such
as loss of pressure and flow due to pipework & pipe-fittings & valves. Product depicted on the box and referred to in this document, and
other diagrammatic instructions, may differ from the product supplied, due to design changes or improvements.
***Be aware that the Amps and Wattage will vary according to the load on the motor, the figures stated are approximate.
INSTALLATION GUIDELINES
Please read and follow the instructions including the diagrammatic instructions. Warranty is voided if the instructions are not followed.
1a.
IMPORTANT MANDATORY REQUIREMENTS FOR ALL INSTALLATIONS:
Before installing or servicing disconnect from the power supply.
All pumps must be installed using barrel-union connections to facilitate easy servicing or replacement. Ball-valves or gate- valves must be
fitted on the suction, and the discharge, and the Town-water backup supply where fitted. A Y-Strainer or Pre-filter must be installed on
the suction to prevent particles entering the pump. Remove all swarf from the tank after cutting openings etc – swarf in the pump voids
warranty. All instructions are conditions of warranty; all warranty is void if instructions are not followed.
It is recommended to install a Check-Valve in the discharge pipework, however DO NOT install the check valve directly on the discharge
of the Pressure Controller, as this may cause it to malfunction, install the Check-Valve further down the pipe, before the first point of
discharge.
1b.
IRRIGATION USE - MANDATORY REQUIREMENTS FOR ALL INSTALLATIONS:
For any installation of these pumps that is supplying
irrigation, you must fit an 18L or larger pressure tank. Air pressure must be set at 70% of maximum pump pressure. Tank is simply fitted to
the discharge pipework with a “tee”, anywhere between the pump and the first point of discharge.
2. POSITION
Do not position the pump where it could take in solids or sludge. This pump is not to be used as your sole water supply. For
critical applications where loss of water supply could cause serious consequences, use a DUAL PUMP System so you have a second water
supply or use a TOWN-WATER BACK-UP SYSTEM. This pump is not designed for Fire Fighting purposes.
3. PROTECT FROM THE WEATHER:
The pump must be protected from the weather, by way of a plastic pump cover or skillion roof cover,
or similar. However the installer must ensure that there is adequate ventilation so the pump does not overheat.
4. IMPORTANT re INSTALLATION:
This pump MUST NOT be installed in any manner that if it were to leak that it would cause damage or
loss to property or persons. It MUST be installed in a well-ventilated and drained area. All warranty is void if this condition is not heeded
and no liability can be accepted in the case of damage or loss caused by failing to comply with this condition. If the pump leaks, the water
must be able to drain away from the pump and not cause damage.
DANGER!
If water pools around the pump (from any source of water) it will cause a dangerous electrical hazard.
5. BASE must be LEVEL
Fix the pump in place through the footplate using suitable fasteners, on a stable, level surface – the base must
NOT be sloping even slightly – ensure it is level.
6. IMPORTANT NOTE re PUMP NOISE:
Avoid installing pumps near bedrooms or neighbours bedrooms. Particularly JET pumps, due to
their self-priming design they typically make more noise than a MULTISTAGE Pump. This is a feature of the pump design, it is not a fault,
and is not a cause for warranty claims, as it is not a product fault. If noise is likely to cause problems, we recommend that you use a
MULTISTAGE Pump, and install the pump AWAY from bedrooms.
7. (a) PIPE SIZE AND TYPE:
Install the pump as near the water supply as possible to reduce the length of suction pipe. We recommend
heavy duty flexible suction hose for the inlet (Suction Pipe) but whatever pipe is used it must be no less than the same Internal Diameter
as the PUMP INLET (1 size bigger is better), and heavy-duty pressure hose or similar for the outlet, we recommend the Internal Diameter
for the delivery pipework is the same as the PUMP OUTLET for the best performance, or no more than one size less than the Pump Outlet
Internal Diameter. If the pump is for “Whole of house” supply (check is your pump big enough first!!) we strongly recommend that 25mm
Internal Diameter piping is used throughout the house, and is only reduced to connect to the fixtures as required, this will ensure that
the pump delivers best performance and efficiency, saving the user money over the long-term. Use as few bends as possible, every bend
reduces performance.
IMPORTANT!
If your house has more than 3 bathrooms you MUST consult with a Pump Specialist to ensure you size your Pump and
Pipework correctly – remember that a short term saving could become a long-term liability.
7. (b) MORE INFO RE PIPE SIZE:
Pressure of the water at the discharge (taps, showers, irrigation etc) is affected by the pipe size. The
SMALLER your pipes, the LOWER the pressure will be at discharge. Example: 13mm ID pipe over 20 metres at 30Lpm will reduce pressure
at discharge by 240kPa (2.4bar) - whereas if 25mm ID pipe is used for 20 meters at 30Lpm it only reduces pressure by a miniscule 10kPa.
Smaller pipe also means that more power will be used as the pump has to work harder to overcome the extra back-pressure from small
pipes. A small short-term saving (in the cost of the pipes) will become a long-term liability.
8. SEAL JOINTS
Ensure all fittings and joints are watertight and airtight, especially in suction-lift applications.
9. INSTALLATION AND ELECTRICAL WIRING
must adhere to state and local codes and must be completed before priming the pump.
These pumps come with an earthed power plug and all electrical installations must be earthed. Any Electrical work must be performed by
a licenced Electrician. The installation must also comply with applicable Plumbing Regulations, it is the installers responsibility to ensure
compliance.
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