AERCO Modulex EXT 321 - 1123 - Manual (Page 86)

MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
E8 Parameter Navigation, Selection, and Setting 4.1.6
When in the USER, TIME PROGRAM, EXPERT, or GENERAL Main Menu, virtually all sub-
menu items can be changed, if desired. Perform the following steps to access, view, and/or
change menu item parameters:
Table 4-4: E8 Parameter Navigation, Selection, and Setting
Description Examples
Use Rotary Knob to navigate to the desired Menu/Sub-
menu. Menu and sub-menu are indicated by two small
black arrows at the bottom of the LCD display pointing
down to menu/sub-menu names below the display (see
Figure 4-5).
Press Program Key to access parameters in the selected
(displayed) sub-menu.
Turn Rotary Knob to sequence through the available
parameters.
To change a parameter value, press the Program Key
when the desired parameter is displayed. The Change
LED will light up indicating the displayed parameter may
now be changed.
To change the displayed parameter value, turn the Rotary
Knob; clockwise to increase value and counter-clockwise
to decrease the value.
To save the displayed parameter value to the controller
memory, press the Program Key. The Change LED will
turn off indicating the new value has been saved.
HOT -WATER
Display Detail
Displayed
Sub-menu
Example: User Menu & Hot Water Sub-menu
displayed
sub-menu
parameters
accessed
push
HOT -WATER T -DHW
T -DHW
Cycle thru
parameters
T -DHW
displayed
parameter
values
accessed
push
140.0
141.0 cycle thru
values
142.0
displayed
value
Displayed
Value Saved!
push
142.0
Page 86 of 148 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0087_0E
12/01/14 Phone: 800-526-0288 GF-143