Metrohm 1.873.0014, Manual

Page: 26 / 192

3.3 Mains connection
￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
18 ￭￭￭￭￭￭￭￭
873 Biodiesel Rancimat
3.3.2 Replacing fuses
Two fuses 4 A (slow-acting) for 115 V or 2 A (slow-acting) for 230 V are
installed in the fuse holder
(3-
6
) of the 873 Biodiesel Rancimat as standard.
Warning
Ensure that the instrument is never put into operation with fuses of
another type, otherwise there is a risk of fire!
Proceed as follows to replace defective fuses:
1 Pull out the mains cable
￭
Pull the mains cable out of the mains connection socket of the
Biodiesel Rancimat.
2 Remove the fuse holder
￭
Use a screwdriver to loosen and completely pull out the fuse holder
(3-
6
) above the mains connection socket.
3 Replace fuses
￭
Carefully take the defective fuses out of the fuse holder and replace
them with two new fuses suitable for the set mains voltage of the
type TH (slow-acting, with high switching capacity):
– 115 V 4 A (TH) Metrohm No.: U.600.0022
– 230 V 2 A (TH) Metrohm No. U.600.0107
4 Insert the fuse holder
￭
Push the fuse holder back into the instrument until it latches into
place.
3.3.3 Mains cable and mains connection
Mains cable
The mains cable optionally supplied for the instrument
￭
6.2122.020 with plug SEV 12 (Switzerland)
￭
6.2122.040 with plug CEE(7), VII (Germany, …)
￭
6.2122.070 with plug NEMA 5-15 (USA, …)
is three-core and provided with a plug with grounding pin. If another plug
has to be mounted, the yellow/green conductor (IEC standard) must be
connected to the protective ground (protection class I).