7 Maintenance
CAUTION! Device installation and
maintaining must be performed by
specialist technical staff only.
7.1 Extraordinary maintenance
(to be done only under particular
circumstances)
7.1.1 Fuses replacement
Maintenance must be performed with
the power supply disconnected and the
circuit-breaker open.
Check the causes that caused the fuse
breakage. In the event the problem occurs
again, contact the technical assistance
service.
7.1.1.1 Replacing the fuse of the pump board
If necessary, the board's fuse can be replaced (6.5.1
Installing the fuse, page 9). The new fuse must
comply with the directions given in the table.
FUSE REPLACEMENT
Model Number
Alternative 1
T 4A H 250V 5x20
BUSSMANN
S505-4-R
Tab. 3
As an alternative, use an approved fuse featuring the
same characteristics.
7.1.1.2 Replacing the fuse on the pump inlet
The operation is performed only for a
pump with a 5m or 11m delivery head.
Once the box is open identify the fuse position.
Fig. 46
MNVCWASPT_2222_EN
If necessary, the pump input fuse can be replaced.
The new fuse must comply with the directions given
in the table.
FUSE REPLACEMENT
Model Number
Pump with 5m (16ft) delivery
T 2A L 250V 5x20
Pump with 11m (36ft) delivery
T 4A L 250V 5x20
Tab. 4
As an alternative, use an approved fuse featuring the
same characteristics.
8 Information on disposal
and recycling
The European Directive 2012/19/EU on Waste
Electrical and Electronic Equipment (WEEE)
mandates that these devices should not be disposed
of in the normal flow of municipal solid waste, but
they should be collected separately in order to
optimize the recovery stream and recycling of the
materials that they contain and to reduce the impact
on human health and the environment due to the
Alternative 2
presence of potentially hazardous substances.
OMEGA
GT520240
The waste may be delivered to appropriate
collection centers, or may be delivered free of
charge to the distributor where you purchased
the equipment at the time of purchase of a new
equivalent or without obligation to a new purchase
for equipment with size smaller than 25cm (9.8in).
For more information on proper disposal of these
devices, you can contact the responsible public
service.
Alternative 1
BUSSMANN
S506-2-R
BUSSMANN
S506-4-R
The symbol of the crossed out bin is
marked on all products to remember this.
Alternative 2
OMEGA
ST522220
OMEGA
ST522240
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