JULABO FLW4006 Recirculating Coolers User Manual
Page 23
23
7.3. Filling
Notice:
Risk of injury for hands. Close cover carefully.
Top view
°C
Push
Push
Take care that no liquid enters the interior of the circulating
cooler.
Connect the tubing from the external system to the pump
connectors and check for leaks
Respect instructions from page 16 to page 19!
Check to make sure that the drain tap (9) is closed.
Unlock and open lid of fill in opening (4) by slightly
pushing.
Fill in tempering fluid up to marking „H“ of the filling level
indicator.
H
L
Turn the mains switch (1) on (Switching on - see page 23)
Switch on unit. To do so press button
for approx. 4 seconds.
Tempering fluid is pumped into the externally connected system.
Refill fluid up to marking „H“.
The recirculating cooler is ready for operation.
7.4.
Switching on / Start - Stop
ON
Switching on:
The recirculating cooler is turned on and off with the mains switch.
The unit performs a self-test. All segments of the 4-digit LED
temperature DISPLAY and all indicator lights will illuminate
(as illustrated on the left).
Then the software version and the type of unit is indicated.
Examples: (v 1.02) (FL2506)
The display "OFF" indicates the unit is ready to operate (standby
mode).
Start:
Press enter
for about 4 seconds.
The LED temperature DISPLAY indicates the actual bath
temperature.
Stop: 1.
Press enter
for about 4 seconds.
2. Wait until the LED display stops blinking!
3. Turn the unit off with the mains power switch.