operating instruction
30
9.1
assembling the power plug
Connect the power cable to the pump as
shown. Caution: Line voltage! Observe the
required protective measures, national body
10 filling and venting
the system
1
2
3
HEP Optimo S Basic
2
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4
regulations and local provisions at all times.
The cable cross-section may no smaller than
2
0.75 mm
. Use ferrules if using fine-wire cables.
The system must be thoroughly flushed
before the pump is started up to prevent
contaminants or foreign bodies from
remaining in the system.
Fill and vent the system
correctly.
Incomplete venting can lead to noises
in the pump and system.
Warning! Risk of burns!
The entire pump can be very hot,
depending on the operating state
of the system.
Tighten the union nut with 30 Nm torque.
Use filter wrench.
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Note