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Operation
DANGER
Danger to life due to electric current!
Danger to life due to contact with live compo-
nents.
f Completely disconnect the product from the
power supply.
f Check that no voltage is present.
f Secure the product against switching back
on.
f The product may only be installed in dry
indoor areas.
NOTICE
Damage to electronic components due to
electrostatic discharge!
f Before touching the inside of the housing,
take suitable equipotential bonding mea-
sures. Touch a grounded component, such
as a tap or radiator.
1. Completely disconnect the controller (all poles) from
the power supply.
2. Remove the screw (see position (2) in Illust. 24) and
put it to one side.
3. Slide the connection panel cover (see position (1) in
Illust. 24) upwards until it audibly locks into place.
4. Pull the fuse holder forwards out of the base.
5. Replace the fuse.
6. Close the connection panel cover.
7. Fix the cover in place by tightening the screw.
8. Restore the power supply.
36
"Regumaq X-25"
138112581-V01.10.2019
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