6 Commissioning/Start-up/Shutdown
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Calio-Therm NC
1157.881/03-EN
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.
▪
The system piping has been cleaned.
▪
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
WARNING
Hot fluid escaping under pressure when the vent plug is opened
Risk of electric shock!
Risk of scalding!
▷
Loosen the vent plug; do not remove it.
▷
Protect the electric components against escaping fluid.
▷
Wear protective clothing (e.g. gloves).
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. Completely open the shut-off element in the suction line.
2. During operation at maximum speed loosen the vent plug with a suitable tool
until some of the fluid handled escapes.
3. Tighten the vent plug to a maximum tightening torque of 0.5 Nm.
4. Repeat the procedure until all air has escaped.