AERCO Modulex E8 Controls Guide - Manual (Page 49)

PR1: 11/30/12 Page 49 of 112
GF-115-C Modulex E8 Controller and BCM
Operations and Maintenance Manual
OMM-0084_0D
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526- 0288
5.3.3 Setting the Voltage and Set Point Limits for U1/U2 and T1/T2
NOTE
Ensure that steps 1 through 13 in Paragraph 5.3.2 were
completed prior to performing the following steps.
NOTE
When scrolling through sub-menus and functions, enter required
Code 0000 only when prompted to do so. Normally, Code 0000
only needs to be entered once, unless you exit and re-enter
EXPERT menu.
U1 and U2 settings: To set the voltage limits corresponding to the minimum and maximum
allowable set point limits, follow the instructions below.
Voltage & Set Point Limits: U1 & U2
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.