06/05/13 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526- 0288 Page 46 of 112
Modulex E8 Controller and BCM
Operations and Maintenance Manual
5.2.4.1 Configuring HEATSLOPE Parameter
The HEATSLOPE value is configured as shown in the instructions below.
Configuring HEATSLOPE Parameter
1. Ensure ON/OFF switch on front of Modulex boiler is in the ON position.
2. Open controller front panel.
3. Turn the Rotary Knob clockwise to the USER menu.
4. Press Program Key to select the User submenu. The first item (sub-menu) displayed will
be INSTALLATION.
5. Continue scrolling clockwise through the USER menu until the HTG CIRCUIT 1 sub-menu
is displayed.
6. With HTG CIRCUIT 1 displayed, press the Program Key to enter this sub-menu.
7. Using the Rotary Knob, scroll to the HEATSLOPE variable. The display will show
“HEATSLOPE” and the current value stored in memory (0.00 to 3.00).
8. If the desired value for HEATSLOPE is not displayed, press the Program Key once. The
red LED will light.
9. Determine the required value for the HEATSLOPE function as explained above. The
value to be entered must be between 0 and 3.00 inclusively.
10. Turn the Rotary Knob until the desired HEATSLOPE value is displayed.
11. Press the Program Key to store the HEATSLOPE value. The value will flash indicating it
was entered.
Continue scrolling through the HTG CIRCUIT 1 sub-menu until RETURN is displayed.
Press the Program Key to exit the HTG CIRCUIT 1 sub-menu.
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