Electrical Connection; Start-Up; Others - ALTAMIRA TX Serie Manual De Instalación

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6.- Electrical connection

o
All electrical connection should be in accordance with the local regulations and made by a qualified
electrician.
o
Make sure that the supply coltages and frequencies, and phase are suitable for the motor used..
o
Before proceeding, make sure that all the connections are grounded and well insulated.
o
Overload protection should be provided.
o
To connect, proceed as shown on the inside of the terminal board cover.
o
The terminal box can be turned to four positions.
o
Check the direction of rotation (Three-phase motor only)
o
Make sure that the controls are properly grounded.
o
To avoid the possibility of dry running, we strongly recommend installing dry running protection.

7.- Start-up

The pump and suction pipe should be filled with the liquid to be pumped before start-up to prevent dry
running at start-up
WARNING Dry running can damage the pump bearing and shaft seal.
7.1 Operation
o
Start the pump and check the direction of rotation of the motor (Three phase motors)
o
Start the pump, keeping the on-off valve of the discharge side of the pump closed. Then, open the
on-off valve slowly. The pump must run smoothly and noiselessly. If not, then it may be necessary
re-prime the pump.
o
Check the current drawn of the motor. If necessary, adjust the setting of the thermal relay.
o
Any air pocket trapped inside the pump may be released by adjusting the air screw.
WARNING If the pump is installed in a location where it is subject to freezing when not in operation, then
the pump and the pipe system should be drained to prevent damage from freezing.
7.2 Others (Only for TX, TXE y TXN en 0.6, 1 y 2 series)
o
For these pumps, it is advisable to open the bypass valve during start-up. The bypass valve connects
the suction and discharge sides of the pump, thus making the filling procedure easier. When the operation
is stable, the bypass valve can be closed
o
If the pumped liquids contain air, it is advisable to leave the bypass valve open if the operating pressure
is lower than 6 kg/cm
be closed.
o
Otherwise the material at the opening will be worn because of the high liquid velocity.
Installation Manual
2
. If the operating pressure constantly exceeds 6kg/cm
REV0 20100304
www.sistemasaltamira.com
Drain plug
Bypass valve
8
2
, the baypass valve must
Vertical Multistage Pumps
21

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