2 mains connection – Metrohm 754 Dialysis Unit User Manual
Page 11

2 Installation
754 Dialysis Unit
8
2.2
Mains connection
Follow the instructions below for connecting to the power supply. If
the instrument is operated with the mains voltage set wrongly and/or
wrong mains fuse there is a danger of fire!
2.2.1
Setting the mains voltage
Before switching on the 754 Dialysis Unit for the first time, check that
the mains voltage set on the instrument (see Fig. 3) matches the local
mains voltage. If not, reset the mains voltage on the instrument as fol-
lows:
1 Disconnect mains cable
Disconnect mains cable from mains connection plug 16
16 of the
754 Dialysis Unit.
2 Remove fuse holder
Using a screwdriver, loosen fuse holder 11
11 and remove com-
pletely.
3 Change mains voltage
Completely remove voltage selector insert 12
12 by hand, rotate it
through 180° and reinsert it. The required mains voltage (115 or
230 V) should now be visible from the front.
4 Check fuses
Carefully take both fuses out of fuse holder 11
11 and check their
specifications:
100
…
…120 V 0.2 A (slow-blow) Metrohm-No. U.600.0009
220
…
…240 V 0.1 A (slow-blow) Metrohm-No. U.600.0006
5 Insert fuses
Change both fuses if necessary and reinsert in fuse holder 11
11.
6 Install fuse holder
Push fuse holder 11
11 back into the opening of the 754 Dialysis
Unit by hand until it clicks into place properly.