Operating Limits - SFA Sanipump VX 50 Bedienungs- Und Installationsanleitung

6 Commissioning/Start-up/Shutdown
CAUTION
Start-up against a closed shut-off element
Increased vibrations!
Damage to mechanical seals and bearings!
▷ Never operate the pump set against a closed shut-off element.
1. Fully open the discharge line shut-off element, if any.
2. Start up the pump set.

6.2 Operating limits

DANGER
Non-compliance with operating limits
Damage to the pump set!
▷ Comply with the operating data specified in the data sheet.
▷ Never operate the pump set at ambient or fluid temperatures exceeding those
specified in the data sheet or on the name plate.
▷ Never operate the pump set outside the limits specified below.
6.2.1 Frequency of starts
CAUTION
Excessive frequency of starts
Risk of damage to the motor!
▷ Never exceed the specified frequency of starts.
To prevent high temperature increases in the motor and impermissible loads on the
pump, coupling, motor, seals and bearings, the frequency of starts shall not exceed
15 start-ups per hour (h).
These values apply to mains start-up.
6.2.2 Operation on the power supply mains
The maximum permissible deviation in supply voltage is ±10% of the rated voltage.
The voltage difference between the individual phases must not exceed 1 %.
6.2.3 Fluid handled
6.2.3.1 Fluid temperature
The pump set is designed for transporting liquids. The pump set is not operational
under freezing conditions.
CAUTION
Danger of freezing!
Damage to the pump set!
▷ Drain the pump set or protect it against freezing.
Refer to the maximum permissible fluid temperature and ambient temperature
indicated on the name plate and/or in the data sheet.
Sanipump VX 50
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