JULABO F34-ED Refrigerated / Heating Circulator User Manual
Page 20

Operating procedures
20
6. Operating
procedures
6.1. Power
connection
Caution:
Only connect the unit to a power socket with earthing contact (PE –
protective earth)!
The power supply plug serves as safe disconnecting device from the line
and must be always easily accessible.
Never operate equipment with damaged mains power cables.
Regularly check the mains power cables for material defects (e.g. for
cracks).
We disclaim all liability for damage caused by incorrect line voltages!
Check to make sure that the line voltage matches the supply
voltage specified on the identification plate.
Connect the circulator with mains power cable (10a) to the
mains outlet (17).
Connect the refrigerated circulator with mains power cable
(10b) to the mains socket.
6.2. Switching
on / Start – Stop
Switching on:
Circulator and cooling machine may be turned on and off with
separate mains switches. The integrated control light will
illuminate to indicate that power has been applied.
The unit performs a self-test. The segments of the 4-digit LED
temperature DISPLAY and all indicator lights will illuminate
(as
illustrated on the left).
Then the software version (example: 11.0) appears. The
display „OFF“ indicates the unit is ready to operate. (standby
mode).
Start:
Press the
key for about 4 seconds.
The LED temperature DISPLAY indicates the actual bath
temperature.
Stop:
Press
the
key for about 4 seconds.
Turn the unit off with the mains power switch.