Operating procedures 6.1. power connection, Switching on / selecting the language – JULABO FP51-SL Ultra-Low Refrigerated Circulators User Manual
Page 24

Operating procedures
24
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.
Mains power connection:
3x400V/N/PE
3x230V/PE
Note the direction of rotation of the built in fan!
For proper cooling of the compressor, the air must be drawn in
from the front of the unit.
Connect the circulator with mains power cable (17a) to the mains
outlet (18).
Connect the control cable (9) to the sockets (9a, 9b).
Connect the refrigerated circulator with mains power cable (17b) to
the mains socket.
6.2. Switching on / Selecting the language
6.2.1.
Switching on the circulator
Switching on:
Turn on the mains power switch (1a).
The unit performs a self-test.
Then the software version (example: V 1.xx-xxxx) appears. The
display „OFF“ or „R OFF“ indicates the unit is ready to operate.
The circulator enters the operating mode activated before switching
the circulator off:
keypad control mode (manual operation) or
remote control mode (operation via personal computer).