Metrohm 752 Pump Unit - Manual (Page 11)

2 Installation
752 Pump 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 752 Pump Unit for the first time, check that the
mains voltage set on the instrument (see Fig. 3) matches the local
mains voltage. If this is not the case, you must reset the mains voltage
on the instrument as follows:
1 Disconnect mains cable
Disconnect mains cable from mains connection plug 15 15 of the
752 Pump Unit.
2 Remove fuse holder
Using a screwdriver, loosen fuse holder 10 10 and take out com-
pletely.
3 Change mains voltage
Completely remove voltage selection insert 11 11 by hand, rotate it
through 180° and reinsert it. The required mains voltage (115 or
230 V) must now be visible from the front.
4 Check fuses
Carefully take both fuses out of fuse holder 10 10 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 10 10.
6 Install fuse holder
Push fuse holder 10 10 back into the opening of 752 Pump Unit by
hand until it clicks into place properly.