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2. Operation
The pump doesn't have the ON-OFF switch. The pump starts as
the power cable is plugged in. After installation, piping and wiring
work are completed, operate the pump in accordance with the fol-
lowing procedures.
■ Operating procedure
No.
Procedure
Points to be checked
1 Check piping, wir-
ing and voltage.
• See "2.2 Piping" and "2.3
Electrical wiring" sections.
• Check the spec label to see if the
power supply voltage is correct.
2 Open or close a
valve.
• Fully open a suction-side valve.
• Fully close a discharge-side valve.
3* Prime the pump
chamber.
• Fill the pump chamber with liquid.
• In suction lift application, a foot
valve is needed to keep liquid in
the pump chamber.
4 Supply power to the
pump.
• Check the item 1, 2 and 3. Then
turn on power and start the pump.
* If the pump chamber is not filled enough, conduct degassing. See page 15
for detail.
Operation
1. Before operation
Read through this section before use.
CAUTION
● Do not keep a discharge or a suction line little open
or closed in operation.
● Do not open/narrow a discharge or a suction line
sharply, otherwise the magnetic coupling*
1
may be
disconnected*
2
(In this case turn off the power.).
● If foreign matters enter the pump, turn off the power
and remove them, otherwise failure or malfunction
may result.
● Do not run pump dry. If the pump runs without a liq-
uid, the pump is damaged by friction heat.
Word & Terms:
*1 A pair of drive and driven magnets
*2 A state that a driven magnet (combination of impeller and magnet capsule units) does not
rotate in sync with the drive magnet.
1. Before operation, check the connection between the pump and pip-
ing.
2. Check the pump is securely anchored.