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Ascento Group Australia
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AI.062020
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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.
10. IMPORTANT re SAFETY SWITCH (RCD);
(a) The Pump must be connected to a suitable power circuit protected by a RCD (safety switch) having a rated residual operating
current not exceeding 30mA, in the circuit breaker. (3-Phase 415 Volt Pumps must be installed by a licenced Electrician according
to applicable Regulations & Australian Standards) Disconnect the pump from power supply when people are in the water, or when
servicing or repairing the pump. All warranty is void if this instruction is not followed. Plugging into existing outlets may cause low
voltage supply to the motor, which may trip motor overload, or burn out the motor, which will not be covered by the Warranty.
(b) Surge Protection - We recommend that a surge protector is used to protect the electronics of this pump, as damage due to power
surges is not covered by the Warranty.
11. MAINS PRESSURE BOOSTING
This is a specialized type of application, and must be completed by a Qualified Plumber or Pump
Technician who is competent and licenced to perform this type of installation.
12. VOLTAGE
of power supply must match the voltage of the pump – 240V AC only for Single-Phase pumps, 415V for 3-Phase pumps,
refer to the nameplate of the pump for correct voltage. Do not run on generator power from low quality/old generators. If you
only have generator power, you may need to have the Pressure Controller removed and replaced with a Pressure Tank and Switch,
at additional cost. The Pressure Controller will be damaged by the voltage fluctuations caused by power supplied by low quality
generators. High quality “Sine-Wave” generators are usually acceptable but we cannot guarantee this, as we have no control over the
generator that you use, it is your responsibility to ensure the generator used is fit for the purpose.
13.
WARNING:
these pumps are not designed for, and must not be installed in locations classified as hazardous.
14. THE FOLLOWING MAY CAUSE SEVERE DAMAGE TO THE PUMP AND WILL VOID WARRANTY;
(a) Using an extension cord to power the pump.
(b) Cutting the earth pin off the plug or using an adapter fitting or double adapter.
(c) Working on the pump while connected to the power supply.
(d) Removing motor housing, or dissembling the pump housing, except by a qualified technician
(e) Pumping chemicals or corrosive liquids or flammable liquids.
(f) Pumping hot liquids (Exceeding 40° Centigrade)
(g) Using a generator for power supply - see 12
(h) Operations that involve frequent starting. This will lead to premature failure of the capacitor. We recommend that if the pump is
regularly starting more often than 10 times per hour, you should add a 18L or larger pressure tank into the system. Occasional frequent
starting (for example during the evening showers) is not a problem, but constant (most of the day) frequent starting is a problem.
Note that if the pump starts and stops more than 7 times within 2 minutes, it may switch itself off and you will need to press the restart
button to reactivate it.
