Leica Biosystems CM1850 UV - Manual (Page 20)

20 Instructions for use V 1.5 – 10/2012
5.4 Mains switch and automatic mains fuse
The automatic mains fuse is used as mains switch.
To turn the automatic mains fuse on, the switch must be set in the upper
position (pos. 1).
To turn the automatic mains fuse off, the switch must be set in the lower
position (pos. 0).
5.5 Turning the instrument on
After transporting, wait at least 4 hours before turning the instru-
ment on.
This waiting period is necessary to allow the compressor oil,
which may have been displaced during transport, to return to its
original position.
Failure to comply with this can cause severe damage to the instru-
ment.
• Turn the instrument on with the automatic mains fuse.
• The instrument has been configured ex works as follows:
Time: 00:00
Defrost time: 10:00
Cryochamber cooling: On
(Indication of the temperature)
Peltier element (option): Off
Indication ‘PE‘
• Set the desired values as described in the sections 6.2.1 to 6.2.3.
During normal operation pressure compensation prior to the com-
pressor start-up might lead to a hissing sound.
5. Setup
Fig. 7
Automatic mains fuse