JULABO Magnum 91 Temperature System - Manual (Page 36)

Manual operation
36
7.3.3. Setting the pump pressure stage
The pressure of the circulation pump is adjustable in five grades.
After setting, the VFD-Info-Display indicates the corresponding
value.
Setp.: 120.00°C
Overt.:130.00°C
Subtmp:110.00°C
>St.Pump: 4
>St.Pump: Setting the pump pressure stage

Setting in line 4.
The value previously set appears on the DIALOG-DISPLAY (LCD).
A flashing segment indicates that a value needs to be entered.

Use the keypad to enter the new value
(example: 4).

Press enter to store the selected value.
 Note:
The mechanical rotation of the circulation pump produces heat that is radiated into the bath
liquid. The lowest working temperature may thus only be reached if the pump pressure is set
to grade 1.
7.4. Setting the safety installations
TANK 150
RES 100
°C
10
30
60
130
180
220
°C
0
40
80
160
240
320
-OFF-
ALARM
CODE 14
ALARM!
IntAct: xx.xx°C
ExtAct: --.--°C
Temp/level alarm
This safety feature functions independent of the regulator circuit. When the
temperature of the bath liquid has reached the safety temperature, a
complete shutdown of the heater and pump is effected.
Excess temperature protection in the heat exchanger >TANK<
(Excess temperature protection according to IEC 61010-2-010)
 Press the key to indicate the safety temperature value in line 2
>TANK< on the VFD-Info-Display and using a screwdriver
simultaneously turn the setting screw to the desired value
(example: 150 °C).
Setting range: 0 °C to 320 °C
in 2 °C steps
The alarm is indicated by optical and audible signals (continuous tone).
The error messages opposite appear on the DIALOG-DISPLAY (LCD) and
VFD-Info-Display.