64
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 readonly 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 servicing must be performed by an authori-
zed service representative only!
WARNING! Risk of electrical shock!
Ensure that any electrical hazard is avoided.
Ensure that the power supply is switched off and
secured against unauthorised switching before
performing any work on the electric system.
WARNING! Risk of scalding!
In case of high water temperatures and high system
pressures, close the insulating valves upstream and
downstream of the pump.
First, allow pump to cool down.
- These pumps are maintenance free. Nevertheless
a regular check is recommended every 15 000
hours.
- Optionally, the mechanical seal for certain
models can be replaced easily thanks to its car-
tridge design.
- In case of pump with half flanges design and ins
-
tallation again after maintenance operation, it is
suggested to add plastic link to maintain in easy
way the half flanges together.
- For pumps equipped with one grease feeder (Fig.
7, pos. 1), respect lubrication frequences menti-
oned on sticker glued on lantern part (2).
- Insert its adjusting wedge in its housing (Fig. 6)
once mechanical seal position is set.
- Always keep the pump perfectly clean.
- Pumps which are not being used during periods
of frost should be drained to avoid damage:
Close the guard valves, open completely the
drain-priming plug and the air bleed screw.
- Service life: 10 years depending on the operating
conditions and whether all requirements descri-
bed in the operation manual have been met.
English
WILO SE 03/2019
Содержание Helix VE 10 Series
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