8
6. Start-up
Do not start the pump until the system has been filled
with liquid and vented. Furthermore, the required
minimum inlet pressure must be available at the
pump inlet, see section 11. Technical data.
The system cannot be vented through the pump.
The pump can be vented by slackening the
inspection screw.
Fig. 7 Venting the pump
WARNING!
If the inspection screw is to be
loosened, see fig. 7, care should be
taken to ensure that the escaping,
scalding hot liquid does not cause
personal injury or damage to
components.
TM03 8912 2707
Grundfos.bk Page 8 Friday, January 15, 2010 3:23 PM
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