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E8 controller and bcm for modulex ext, Installation, operation & maintenance manual, Indoor/outdoor reset configuration in user menu – AERCO Modulex E8 Controller (and BCM) For Modulex EXT Boilers User Manual

Page 58: Figure 6-1: heat slope diagram, Chapter 6: e8 setup & programming

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E8 Controller and BCM for Modulex EXT

Installation, Operation & Maintenance Manual

CHAPTER 6: E8 SETUP & PROGRAMMING

Page

58 of 108

AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913

OMM-0093_0A

PRI: 06/24/2013

Phone: 800-526-0288

GF-136-C

Indoor/Outdoor Reset Configuration in USER Menu

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. The first sub-menu displayed will be

INSTALLATION.

NOTE

Before continuing, check to ensure that HC FUNCTION in the

EXPERT>HEATING CIRCUIT 1 menu is set to the default “00”.

4. Continue scrolling clockwise through the

USER menu until the HTG CIRCUIT 1 sub-menu

is displayed.

5. With

HTG CIRCUIT 1 displayed, press Program Key to enter sub-menu.

6. Use Rotary Knob to scroll to the

HEATSLOPE sub-menu item. The display will show

HEATSLOPE” and the current value stored in memory (0.00 to 3.00).

7. To change the

HEATSLOPE value, press the Program Key. The red LED will light.

8. Refer to Heat Slope Diagram (Figure 6-1) to determine the required value for the

HEATSLOPE function based on the boiler installation design set point. The value entered

must be between 0 and 3.00.

9. Turn Rotary Knob until the desired

HEATSLOPE value is displayed.

10. Press the Program Key to store the

HEATSLOPE value.

11. 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.

Figure 6-1: Heat Slope Diagram

60

70

80

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150

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220

0

5

10

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25

30

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60

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70

Outside Temperature ( F )

Fl

ow

Te

m

pe

ra

tur

e (

F )