Commissioning/Start-Up/Shutdown; Commissioning/Start-Up; Prerequisites For Commissioning/Start-Up; Priming And Venting The Pump - KSB CalioTherm Pro 25 Installation & Operating Manual

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6 Commissioning/Start-up/Shutdown

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 power supply and is equipped
with all protection devices. (ð Section 5.6, Page 24)
▪ The system piping has been cleaned. (ð Section 5.4, Page 23)
▪ The suction line and inlet tank, if any, have been primed with the fluid to be
handled.
▪ The covers of the terminal wiring compartments have been closed and fastened
with screws.

6.1.2 Priming and venting the pump

DANGER
Non-compliance with the permissible pressure and temperature limits if the pump
is operated with the suction and discharge lines closed.
Hot fluids escaping!
▷ Never operate the pump with the shut-off elements in the suction line and/or
discharge line closed.
▷ Only start up the pump set against a slightly or completely open discharge-side
shut-off element.
CAUTION
Increased wear due to dry running
Damage to the pump set!
▷ Never operate the pump set without liquid fill.
▷ Never close the shut-off element in the suction line and/or supply line during
pump operation.
▷ Observe the specified minimum pressure for operating the pump set.
▷ Always operate the pump set within the permissible operating range.
1. Fully open the shut-off elements in the suction line.
2. Fully open the shut-off element in discharge line.
3. Start up the pump set and let it run for approx. 1 minute.
(ð Section 6.1.3, Page 35)
4. Close the shut-off element in the discharge line.
5. Vent the pump. (ð Section 7.4.4, Page 65)
CalioTherm Pro