Automatic Heating Modulex E8, Operation & User’S Manual

Page: 37 / 70

MODULEX CONTROLLER OPERATION
35
4.3.3 Setting the Voltage and Set Point Limits
The following steps are used to set the voltage limits corresponding to the minimum and maximum
allowable set point limits. Proceed as follows:
NOTE
Ensure that steps 1 through 13 in paragraph 4.3.2 were completed prior
to performing the following steps.
Also, when scrolling through sub-menus and functions, enter the
required Code 0000 only when prompted to do so. Normally, Code 0000
only needs to be entered once, unless you exit and then re-enter the
EXPERT menu.
1. Press the Program Key to enter the EXPERT menu - INSTALLATION sub-menu. The display will
show CODE NO. requesting the valid code to be entered.
2. Enter code 0000 (4 zeros) by pressing the Program Key four times. The red LED will remain lit
while the four code digits are entered. A dashed line will appear in the display following code
entry.
3. Next, turn the Rotary Knob clockwise until CURVE 11-U1 is displayed.
4. Press the Program Key. The red LED will light.
5. Enter the desired low voltage limit for U1 by turning the Rotary Knob. The voltage will increment in
0.10 volt increments.
6. With the desired low voltage limit displayed, press the Program Key to set the U1 voltage. The red
LED will go off.
7. Turn the Rotary Knob clockwise and scroll to CURVE 11-U2.
8. Press the Program Key. The red LED will light.
9. Enter the desired high voltage limit for U2 by turning the Rotary Knob.
10. With the desired high voltage limit displayed, press the Program Key to set the U2 voltage. The
red LED will go off.
NOTE
The previous steps set the U1 and U2 voltages which will be used to
scale the minimum and maximum set point levels. The following steps
set the minimum (T1) and maximum (T2) set point temperatures which
correspond to the U1 and U2 voltage levels, respectively.
11. Turn the Rotary Knob clockwise and scroll to CURVE 11-T1. This will be the minimum set point
temperature.
12. Press the Program Key. The red LED will light.
13. Enter the desired low set point temperature limit for T1 by turning the Rotary Knob. The selected
T1 value will correspond to U1.
14. With the desired low set point temperature limit displayed, press the Program Key to set the T1
temperature (low set point limit). The red LED will go off.
15. Finally, turn the Rotary Knob clockwise and scroll to CURVE 11-T2. This will be the maximum set
point temperature.
16. Press the Program Key. The red LED will light.
17. Enter the desired high set point temperature limit for T2 by turning the Rotary Knob. The selected
T2 value will correspond to U2.