Wilo Multivert MVISE 3G Serie Einbau- Und Betriebsanleitung Seite 61

Access lock
The "Access lock" can be used to block all
adjustments to the pump.
Proceed as follows:
• Place DIP switch 2 in the ON position.
The menu <7.0.0.0> will appear.
• Turn the rotary knob to activate or deactivate
the lock. The current status of the lock is
represented by the following symbols
Lock activated: The parameters are
locked and access to the menus is
authorised in read-only mode.
Lock deactivated: The parameters can
be changed and access to the menus
to make adjustments is authorised.
• Place DIP switch 2 in the OFF position. The status
setting will reappear.
9. Maintenance
All maintenance and repair work must be car-
ried out by authorised and qualified personnel!
WARNING! Danger due to electrical voltage!
Dangers from electricity must be ruled out.
The pump must be voltage-free before com-
mencing electrical work and secured against
unintended reactivation.
WARNING! Risk of burns!
If the water temperature and the system pres-
sure are high, close the stop valve on the suction
side and on the pressure side. The pump must
cool down first.
- No special maintenance is necessary during
operation.
- During periods of frost, stationary pumps must
be cleaned to prevent damage.
Installation and operating instructions –
:
Wilo-Multivert MVISE 3G
English
61