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Pearl CQPL Serie Manual página 2

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5.5 Keep the pump in a well-
ventilated area.
5.7 The pumped liquid
might be hot and under high
pressure. Before moving and
demounting the pump, valves
on both sides of the pump
should be turned off first.
Then empty liquids in the
pump and pipelines to avoid
getting burned.
5.9 Make sure that the pump
will not be accidentally turned
on during installation or
maintenance; if not used for
a long time, cut off the power
first and then turn off valves
in the inlet and outlet of the
pump.
5.6 If the temperature is lower
than 4°C, or the pump is not
used for a long time, empty the
liquid from the pipeline system
to avoid ice cracking of the
pump chamber. Do not operate
the pump without water in it.
5.8 Do not transfer
flammable, explosive, or
gasified liquids beyond the
stipulated parameters.
5.10 The power supply should
follow the voltage stated in
the nameplate. If not used for
a long time, put the pump in a
dry, ventilated, and cool place
under room temperature.
6. PRODUCT STRUCTURE
POS. PART
1 Pump body
2 Impeller
3 Mechanical seal
4 Seal holder
5 Pump support
6 Bearing
7 Rotor
8 Spring washer
9 Fan cover
7. PIPELINE INSTALLATION
This product should be installed and
maintained by personnel who are proficient in
this manual and have special qualifications.
Installation and operation should follow local
regulations and be recognized as operation
standards. Install pipelines properly as
stipulated in the manual and conduct frost
protection measures for the pipeline.
Max. water temperature: + 60
Min. Water temperature: +4
7.1 For pump installation, the inlet pipe should be as short as
possible with the least turnings. The pump should be installed
in a well-ventilated and dry environment. It could be installed
outside if the proper coverage is provided to protect it from rain
and wind.
7.2 For pipeline use, valves should be installed on inlet and
outlet pipelines and the inlet pipeline should be installed with
a check valve.
10 Fan
11 End plate
12 Cable holder
13 Capacitor
14 Capacitor box
15 Terminal board
16 Stator
17 Bracket
18 O-sealing ring

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