Metrohm 833 IC Liquid Handling Unit - Manual (Page 21)

2.2 Mains connection
833 IC Liquid Handling Unit / Instructions for Use 8.833.1003
13
Fig. 3: Setting the mains voltage
2.2.2 Fuses
The fuse holder of the 833 IC Liquid Handling Unit contains one of the
two fuses 0.5 A/slow blow for 100 … 120 V or 0.25 A/slow blow for
220 … 240 V.
Make sure that the instrument is never operated with a different type of
fuse as otherwise it represents a fire hazard!
Checking and replacing a fuse is described in Section 2.2.1.
2.2.3 Mains cable
The instrument is supplied with one of the following mains cables:
• 6.2122.020 with SEV 12 plug (Switzerland, … )
• 6.2122.040 with CEE(7), VII plug (Germany, … )
• 6.2133.070 with NEMA 5-15 (USA, … )
which has 3 wires and is fitted with a plug with a grounding pin. If a
different plug has to be attached then the yellow/green wire (IEC
standard) must be connection to the grounding pin.
Any break in the grounding inside or outside the instrument will make
it dangerous!
Insert the mains cable plug in mains connection 9 of the 833 IC Liquid
Handling Unit (see Fig. 2).
2.2.4 Switching the instrument on/off
The 833 IC Liquid Handling Unit is switched on and off with mains
switch 8 (see Fig. 2). When the instrument is switched on mains lamp 1
lights up.
100 – 120 V 220 – 240 V
8 Mains switch
9 Mains
connection
11 Fuse holder
220 - 240 V
100 - 120 V 220 - 240 V
100 - 120 V
8
9
11