Metrohm 726 Titroprocessor - Manual (Page 22)

2.3 Mains connection
726 Titroprocessor, Instructions for use 16 16
WARNING - Fire Hazard - with the same type and rating of fuse For continued protection replace only
50-60Hz 160VA
2A(TH)
115V 230V
230V
115V: 100V...120V 10%
230V: 220V...240V 10%
2.3 Mains connection
2.3.1 Fuses
Two fuses S1 S1 and S2 S2 are built into the 726 Titroprocessor as standard;
both are type 2 ATH (2 A, slow-blow, with high switching capacity, Metrohm
order no. U.600.0107).
Make sure that the instrument is never operated with any different type
of fuse as otherwise there is a fire hazard!
To change blown fuses proceed as follows:
Exchange fuse S1 (zero conductor, 2 ATH)
• Remove mains cable from mains connector.
• Use a screwdriver to turn fuse holder S1 S1 to the left until it can be pulled
out.
• Pull out the fuse holder, remove the blown fuse and replace it with a
spare fuse (2 ATH).
• Insert the fuse holder in the instrument, press it down with a screwdriver
and then turn it to the right to fix it in position.
Exchange fuse S2 (phase, 2 ATH)
• Remove mains cable from mains connector.
• Use a screwdriver to push fuse holder S2 S2 upwards until it can be pulled
out.
• Pull out the fuse holder, remove the blown fuse and replace it with a
spare fuse (2 ATH).
• Insert the fuse holder in the instrument and push until it clicks into place.
Fuse holder
Mains voltage selector
Earth socket
Mains switch
Rear view
S1
S2
Mains connection