JULABO FP51-SL Ultra-Low Refrigerated Circulators - Manual (Page 24)

Operating procedures
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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).