12
Pressing the lock key (I) for about 2 seconds, the device con-
trol elements can be locked to prevent accidental changes
that can be done during operation (LED (H) will light up)�
To unlock the control elements, press the lock key again for
about 2 seconds (LED (H) goes out)�
Note:
When the heating function is activated, you can re-
view the external/internal actual temperature on the right
of the display (speed display) by pressing the menu key (G)�
For details, see following table:
ET=0
ET=1
Temp. display
rpm display
(pressing menu
key (G))
activated
–
internal control
temperature
external actual
temperature
–
activated
external control
temperature
internal actual
temperature
When
ET
=0, if external sensor is not connected, when
pressing menu key (G), the right display shows “- - - -”�
After pressing menu key (G) about 10 seconds, value in the
right display will change back and show pump speed�
When the heating/refrigerating function is activated, you
can enter the menu option by pressing menu key (G) about
3 seconds�
Menu settings
MODE
Maximum temperature (HI T)
Minimum temperature (LO T)
Maximum speed (HI R)
Minimum speed (LO R)
Fluid type (FLUI)
The type of temperature PID control arithmetic (AUTO)
(heating)
External and internal temperature control (ET)
(heating)
Alarm and key tone (BEEP)
Cooling (COOL)
Menu
•
Menu structure:
Default settings
A
B
C
Proportional coefficient of PID (Kp 1)
Integrate time of PID (Ti 1)
Differential time of PID (Td 1)
AUTO 1
AUTO 0
External sampling time (EuT 2)
Proportional coefficient of PID (Kp 2)
Integrate time of PID (Ti 2)
Differential time of PID (Td 2)
DF t
FASt 0
FASt 1
ET 0
ET 1
BEEP 0
BEEP 1
0
1
activated
-
-
200 °C
-25 °C
4600 rpm
1000 rpm
8
activated
15�0
5�00
5�0
activated
90 s
1�0
1�5
0�0
100�0
-
activated
-
activated
-
activated
activated
-
-
Note:
DF t: maximum temperature difference between internal and external temperature�
Calibration (CALI)
CALI 0
CALI 2
CALI 3
