6 Commissioning/Start-up/Shutdown
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Sewatec (60 Hz)
6 Commissioning/Start-up/Shutdown
6.1 Commissioning/start-up
6.1.1 Prerequisites for commissioning/start-up
Before commissioning/starting up the pump set, make sure that the following
conditions are met:
▪
The pump set has been properly connected to the electric power supply and is
equipped with all protection devices.
▪
The pump has been primed with the fluid to be handled. The pump has been
vented.
▪
The direction of rotation has been checked.
▪
All auxiliary connections required are connected and operational.
▪
The lubricant has been checked.
▪
After prolonged shutdown of the pump (set), the activities required for returning
the pump (set) to service have been carried out.
6.1.2 Start-up
DANGER
Non-compliance with the permissible pressure and temperature limits if the pump
is operated with the suction and discharge lines closed.
Hot or toxic fluid could escape!
▷
Never operate the pump with the shut-off elements in the suction line and/or
discharge line closed.
▷
Only start up the pump set with the discharge side gate valve slightly or fully
open.
DANGER
Excessive temperatures due to insufficient lubrication of shaft seal or excessive
gas content in the fluid handled
Damage to the pump set!
▷
Never operate the pump set without liquid fill.
▷
Prime the pump as per operating instructions.
▷
Always operate the pump within the permissible operating range.
WARNING
Pump sets with high noise characteristics
Damage to hearing!
▷
Persons must only enter the vicinity of the running pump set if they are
wearing protective clothing/ear protection.
▷
See noise characteristics.