JULABO EH-39 Open Bath Circulator - Manual (Page 21)

EH
21
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.
6.2. Switching on / Start - Stop
 Switching on:
Turn the unit on with the mains power switch. (1).

The unit performs a self-test. A few segments of the 4-digit LED
temperature DISPLAY will illuminate.
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.