S&P VFTM Series, Руководство пользователя

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ENGLISH
In the same way, the “ HSP ” maximum frequency value must never be set above the frequency value for the
mains power supply in the country where it is used.
2.5 Preparing the motor thermal protection
To enable the motor thermal protection, so that a motor overheating condition causes the inverter to stop, it
is necessary to reprogram some of the parameters that are configured in the frequency inverter. This
requires checking out the inverter to access to the program parameters (steps 1 and 2 in section 2.2) and
perform the following configuration changes :
- Press ENTER and rotate the wheel until “ FLt- ” appears on the screen.
- Press ENTER and rotate the wheel until “ Etf ” appears on the screen.
-
Press ENTER and rótate the Wheel until “ LI5 ” appears on the screen. Press ENTER to confirm the value
entered. If this value is different to the previous one, the display should flash.
- Press ESC to exit the “ Etf ” parameter.
- Rotate the wheel until appears “ LEt ” on the screen.
- Press ENTER and rotate the wheel until appears “ LO ” on the screen. Press ENTER to confirm the value
entered.
- Press ESC to exit the “ LEt ” parameter.
- Press ESC to “ FLt ” parameter.
- Keep ESC pressed down for 2 seconds until the 3 mode leds light up in sequence. It is now in RUN
mode, available for automatic inverter operation.
IMPORTANT
RISK OF ELECTROCUTION
RISK OF SERIOUS INJURY
When is enable the thermal protection motor should review the need to use the manual restart function.
With the factory settings (automatic restart), once skipped the motor thermal protection, when is produced
the motor cooling, it re-start automatically.
See section 2.3. to modify the automatic restart to manual restart.
2.6 To achieve theStart/stop function with an external switch
This function is common to all systems where the inverter works
with external sensors (pressure, airflow, CO2, temperature,
humidity, etc.)
it is also possible to achieve the remote control function
(start/stop) by means of an external switch with volt-free contacts.
For this it is necessary to use the corresponding switching
diagram, replacing the existing a jumper between Ll1 and 24 V for
wiring to the external switch.
EXTERNAL
SWITCH