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MANUAL DE INSTALACIÓN Y MANTENIMIENTO
SERIE BETTER 33
in case of faulty grounding.
All conductors must be installed by professional electricians (holders of certificates of electro-
technical aptitude issued by the State Administration for Work Safety). Electric pumps should be
grounded.
4. Y-type fixing Damaged power cables must be replaced by the manufacturer, service agent or
similarly qualified person to avoid hazards.
5. OPERATION
1. Make sure that the shaft rotates freely.
2. Check the direction of rotation of the motor as indicated on the fan cover. (If viewed from the
end of the fan cover, the rotation of the fan should be clockwise 1. 2.Fill the pump and suction pipe
through the filler plug, and close the outlet valve.
3. Fill the pump and suction pipe through the filler plug, and close the outlet valve.
6. SUCTION AND DELIVERY PIPING
1. The suction pipe should be kept submerged 50 cm below the water level but 20 cm above the
bottom of the water to avoid whirlpool formation and its inevitable consequence.
2. The installation of the suction pipe should be: Hs 10-(HPSH)r-0.5-hw(hw 0.5 1.0).
3. The joints or connections should be absolutely watertight, it is recommended to reduce the pipe
bends to the minimum possible.
4. To avoid head losses, it is suggested to reduce the bends of the discharge pipe and make it as
short as possible.
Piping should not weigh on the pump, but on separate supports.
N
5. It is recommended to install vacuum/pressure gauges on the suction and discharge piping to
p must be placed as near as possible to the water level in order
observe the operation.
nimum suction lift and reduce the loss of head.
stalled in dry, airy places and safe from any possible flooding.
is to be permanent, pump should be attached to the floor or
holes pump bracket.
DELIVERY PIPES
must be kept submerged
r level but 20cm above
to prevent the formation
nevitable consequence.
f suction pipe should be:
0.5-hw(hw 0.5 1.0)
nnections must be absolutely
commended to reduce pipe
mum possible.
ses, it is suggested to reduce the
ge pipe and make it short as possible.
not weight on the pump, but on separated supports.
d to install vacuum/pressure meters on suction and discharge
the operation.
Pressure meter
Discharge Pipe
Suction Pipe
Foot Valve
www.proindecsa.com / proindecsa@proindecsa.com
Outlet Valve
Vacuum meter
Hs
25cm
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