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2 configuring max t-flow and min t-flow parameters, E8 controller and bcm for modulex ext – AERCO Modulex E8 Controller (and BCM) For Modulex EXT Boilers User Manual

Page 62

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E8 Controller and BCM for Modulex EXT

Installation, Operation & Maintenance Manual

CHAPTER 6: E8 SETUP & PROGRAMMING

Page

62 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

6.2.4.2 Configuring MAX T-FLOW and MIN T-FLOW Parameters

To enter the MAX T-FLOW and MIN T-FLOW values, see instructions below.

Configuring MAX T-FLOW and MIN T-FLOW Parameters

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

EXPERT menu. The first item (sub-menu) displayed

will be

INSTALLATION.

4. Continue scrolling clockwise through the

EXPERT menu until the HTG CIRCUIT 1 sub-

menu is displayed.

5. With

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

6. Use Rotary Knob to scroll to

MAX T-FLOW sub-menu. The display will show “MAX T-

FLOW” and the current value stored in memory (68 to 230).

7. To change

MAX T-FLOW value, press the Program Key 6 times to sequence through the 4

digits and back to the current value for

MAX T-FLOW.

8. Press the Program Key one more time. The red LED will light.

9. Rotate the Rotary Knob until the desired value for

MAX T-FLOW is displayed.

10. Press the Program Key once. The new value for

MAX T-FLOW will flash indicating it was

entered.

11. Turn the Rotary Knob to the next parameter displayed,

MIN T-FLOW.

12. Press the Program Key once. The red LED will light.

13. Now turn Rotary Knob until desired

MIN T-FLOW (50 – 230) value is displayed.

14. Press the Program Key once. The new value for

MIN T-FLOW 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.