Metrohm 824 Easy Sample Changer - Manual (Page 16)

2.3 Keyboard connection
10
824 Easy Sample Changer, Installation
• Pull out mains cable
Remove the mains cable from the mains supply connection of the 824
Easy Sample Changer.
• Remove the fuse holder
Use a screwdriver to loosen the fuse holder beside the mains supply
connection and remove it completely.
• Check the fuse and replace it
Carefully remove the built-in fuse for the intended voltage from the fuse
holder and check its specifications (the position of the fuse in the fuse
holder is indicated by the white arrow beside the voltage range):
100 … 120 V 0.5 A (slow blow) Metrohm-No. U.600.0014
220 … 240 V 0.25 A (slow blow) Metrohm No. U.600.0011
• Insert fuse
Exchange the fuse if necessary and replace it in the fuse holder.
• Insert fuse holder
Depending on the required mains voltage, insert the fuse holder so that
the white arrow of the corresponding voltage range points to the white
bar; this is to the right of the fuse holder (see below).
220
- 24
0
V
100
- 12
0
V
220
- 240
V
100
- 12
0
V
Fig. 5 Fuse holder
• Attach connections cover
Position the connections cover in the guide rail above the connections
strip. The connections cover protects the connections from spilt chemi-
cals.
2.3 Keyboard connection
Type 1.824.0010 Nr. 0010/01104
Made by Metrohm Herisau Switzerland
RS 232 Keyboard
Fig. 6 Rear panel of instrument
The keyboard is attached to the connection 24
provided for it on the rear panel of the instrument. To
remove the connection press both sides of it together.
100 – 120 V 220 – 240 V
Mains switch
Mains connection
Fuse holder