English
32
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Do not use or store the device in extremely dusty, humid or wet
places.
Figure 1 LT20 equipment configuration
The power cable is connected on the rear of the thermostat to an
earthed mains socket (230 volt +/-10 % / 50 Hz). The device is switched
on with the toggle switch (on/off switch).
Note:
Do not turn the device off and on in rapid succession. Always wait
approximately 20 seconds before switching on again so as not to
damage the electronics and mechanics of the device.
WA R N I N G
Electrical dangers and fire hazard. Use only the supplied power cable.
Only qualified experts may perform the tasks described in this section of the
manual, in compliance with all locally applicable safety regulations.
N O T I C E
Use only an earthed socket for the connection of this device to the power supply.
If you are not sure if the socket is earthed, have this checked by a qualified
electrician.
The power plug serves in addition to the power supply to isolate the device
quickly from the mains where necessary.
This is recommended for long-term disuse and can prevent potential dangers
in the event of a fault.
Therefore make sure that the socket to which the device is connected is easy to
reach by each user at all times.
1
On/off switch
4
Fan
2
Temperature indicator
5
Rear: mains connection with fuse
3
Temperature control block
(openings for 27 sample cells)
1
2
3
4
5
20° C
Summary of Contents for LANGE LT20
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