21
Ausgabe
issue
C / 02.11.2012
Dokument
document
OM.COM.01e
Blatt
sheet
3 (4)
6
Commissioning / De-commissioning
6.4
De-commissioning
Protect the pump and additional devices against the following:
•
Frost
•
Deposit of solids
•
Sedimentation from the liquid
•
Corrosion of parts that come into contact with the medium
6.4.1 Switching off the pump
6.4.2 Emptying the pump
To drain the pump:
If the pump housing has screwed plugs, remove the screwed plugs.
Drain using a connection branch (suction casing, pressure branch) if the pump housing is
coated or the housing does not have screwed plugs.
Drain the residual liquid from the pump housing.
Drain the pipelines on the suction and pressure sides, or shut off behind the pump connec-
tions.
DANGER
Dangerous voltage.
Death or serious injury can occur.
Note safety regulations.
Disconnect motor from all sources of energy.
Secure electrical connections against restarting.
CAUTION
Liquid draining out.
Minor injury or damage to property can occur.
Wear suitable protective clothing.
Refer to the technical data (
chapter 3.) for the corresponding configuration of the pump
housing.