Setup and connection
5 Setup and connection
For pumps in explosion hazard areas (→ ATEX additional
instructions).
NOTE
Material damage due to distortion or passage of electrical
current in the bearing!
Do not make any structural modifications to the pump unit
or pump casing.
Do not carry out any welding w ork on the pump unit or
pump casin g.
NOTE
Material damage caused by dirt!
Do not remove the transport seals until immediately before
settingupthepump.
Do not remove any covers o r transport and sealing covers
until immediately before connecting the pipes to the pump.
5.1 Preparing the setup
5.1.1 Checking the ambient conditions
Make sure the required ambient conditions are fulfilled
(→ 9.2.2 Ambient conditions, Page 36).
5.1.2 Preparing the installatio n site
Ensure the installation site meets the following conditions:
– Pump is freely accessibl e from all sides
–Sufficient space for installation/removal of the pipes
and for maintenance and repair work, especially for the
removal and installatio n of the pump and the motor
– Pump not exposed to external vibrations (damage to
bearings)
– Frost protection
5.1.3 Removing the preservative
If the p ump is to be put into operation immediately after
setup and connecti on:
– remove the preservative prior to setup
(→ 4.4 Removing the pr eservative, Page 13).
5.1.4 Installing the heat insulation (optional)
Only necessary to maintain the temperature of the pumped
medium
NOTE
Material damage on the bear ing or shaft seal due to over-
heating!
Only install the heat insulation on the volute casing
(→ Figure Layout, Page 10).
Install the heat insulation properly.
14 NIT series BA-2017.03 en-U S 160-282/ 0 – 550 154
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