Wilo WILO-SCP, Инструкция по установке и эксплуатации

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7.2 Installation of the complete pump set
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Before any installation work is carried out, the pumpset
should be inspected for damage that may have occurred
during handling, transport & storage.
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Installation within a building: install the pump in a dry, well
ventilated and frost-resistant room.
•
Pumping machinery should have adequate access and
working room for maintenance operations. Adequate
overhead space for lifting devices and working clearance
must be provided.
•
Installation outside a building (outdoor installation):
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Install the pump with a suitable protection to avoid rainfalls
strong wind and particles which can damage the pumpset.
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Avoid exposure of the pumpset to direct sunlight.
•
An appropriate solution to avoid frost must be
implemented.
CAUTION! Risk of material damage!
Ensure sufficient ventilation/heating if the ambient
temperature exceeds/falls below the permitted limit values.
•
Carry out all welding and soldering work prior to the
installation of the pump.
CAUTION! Risk of material damage!
Dirt from the pipe system can destroy the pump during
operation. Flush the pipe system prior to the installation of the
pump.
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Provide shut-off valves in front of and behind the pump.
7.2.1 Foundations (figures 2&3 Pg. 1&2)
The foundation should be sufficiently substantial to absorb
any vibration and to form a permanent, rigid support for the
base plate. The foundation must get large dimensions.
Generally, the weight of the foundation is around
2 to 3 time the pump set weight. This is important in
maintaining the alignment of a direct connected unit. In
building the foundation, the top surface level should be low
by 1inch to accommodate packer plate thickness/height and
surface should be rough for bonding of fresh grouting
material. Foundation bolts of the proper size should be
embedded in the concrete, located by template (refer figure
3 Pg. 1).
Foundation bolt
1 Erection packers
2 Finish grout
3 Concrete
NOTE:
Leave top of foundation rough! Do not finish with trowel.
•
A pipe sleeve about 2 ½ diameters large than the bolt
should be used to allow movement for the final positioning
of the bolts. For installations where a low level of noise is
expected, built the foundation in a pit lined with
appropriate insulation material in order to avoid vibration
transmission to the ground.
CAUTION! Risk of material damage!
Do not hold the pump by the motor/module when
tightening the screwed connections. Apply the wrench
surfaces to the suction/pressure port inserted.
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It is insufficient to check level on the machined pads of
base plate with a spirit level because it is possible that
some types of errors will not be revealed or will be
accepted as being within acceptable limits. These
distortions as showed in figure 4 Pg.2. Therefore, it is
necessary to use
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I-beam straight edge along with engineer ’s master level.
7.2.2 Levelling and installing the base plate
CAUTION! Risk of material damage!
Pumps and drivers that are received with both machines
mounted on a common base plate are checked for
alignment before shipment. However, during shipment,
storage it may get disturbed.
•
Use I-beam type straight edge and an engineer’s master
level (with accuracy of 0.05 mm / 250 meter) for levelling
the base plate. I-beam should rest on the machined
surfaces of the base plate, or on the levelling pads if
provided. These machined surfaces where level is being
checked must be clean and free from paint, burrs etc.
•
Check datum position of base frame as given in G.A. Adjust
the level of the base plate by inserting shims between the
base plate and the packer plate until the bed plate is
levelled and supported on all the packing plates at the
height required for the connection of suction and
discharge branches. For checking the levels across two
pads, use I-
beam type straight edge and an engineer’s
master level. Level should be achieved within 0.05 mm per
250 mm. There should two packer plates at each
foundation bolt and additional packer to be provided
intermittently if distance between two foundation bolts is
more than 500 mm. Packer plates should be machined and
of adequate size with minimum 25 mm thick.
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When the base plate is levelled, grout the foundation bolts
only. Care should be taken so as not to disturb the
verticality of foundation bolts. For grouting use rich mix of
1: 1:2 of cement, sand and gravel below 12 mm.
Alternatively quick setting grout mix can be used.
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When the grout has set, gently but firmly tighten the
foundation bolts. Care must be taken not to distort the
base plate or loosen the foundation bolts in the grout by
excessive tightening.
Installation and operating instructions WILO-Split Case Pumps
16