JULABO Magnum 91 Temperature System User Manual

Page 28

Preparations

5.6.1.

Filling of external, closed systems

Filling is performed in two sections. In section 2, the temperature system
starts an automatic filling process enabling convenient filling.

Notice:

First connect the external system! (see page 23)

-OFF-

ALARM
CODE 01



Section 1

 Connect the unit to a mains power socket (see page 26) and turn on

the unit with the mains power switch (1).
During the self-test all segments of the VFD-Info-Display, all control
indicators and the DIALOG-DISPLAY light up.
After the self-test, the VFD-Info-Display signals low liquid level alarm.
>CODE 01< and a signal tone sounds.

Press enter

to quit the audible signal.

 Using a filling funnel, slowly fill in the bath fluid via the filling opening

(5) until the level indication

indicates 3 or 4 segments. Watch the

level indication



Section 2

REG+E-PROG

STAND-BY

ALARM

SERIAL

ESC

Soll 1: xxx.xx°C
IntIst: xxx.xx°C
Leistung: 50%
Regelung: Intern

°C

130

180

220

°C

160

240

320

EXT

Pt100

FILL

-OFF-

AUTO
FILL

 Turn the unit off (approx. 4 seconds) and on again with the mains

power switch (1). Wait until the self-test is completed.

 Press the key

to start the automatic filling process. On the

VFD-Info-Display „AUTO FILL“ is shown, in intervals.
As soon as the pump pressure indication in the 3

line of the VFD-

Info-Display
(„P X.XX“) has scaled up to at least 0.1 bar, the tempering liquid is
pumped into the external system. In intervals of 10 seconds bath
liquid is pumped into the external system - air purge is carried out in
the breaks.
Notice: The filling mode has to stay activated for at least 5 minutes
in order to fully de-air the system.

-OFF-

Warning
CODE 40

 The liquid level in the unit falls.

In case of a WARNING >CODE 40< again slowly fill in bath fluid into
the opening (5).
Watch the level indication





In case of a ALARM >CODE 01< return to the final condition of
section 1 and restart section 2.

 If the liquid level display remains unchanged after some minutes,

complete filling according to the application task.
See page 27 - marker "HT" or "TT".

Pump

>Pump OFF
Modu: Sys close

 Press

to finish the automatic filling process.

 In the submenu >Pump< the unit has to be set on

>Mode:< >sys close< . (see page 29)

 The unit is now ready for operation .