MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
Page
82
of
146
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0087_0F
07/13/15
Phone: 800-526-0288
GF-143
Figure 4-1: MODULEX E8 Controller Front Panel (Cover Closed)
E8 Display Functions
4.1.2
The E8 Controller operates in NORMAL Mode when the controller door is closed, which allows
for monitoring the boiler status through the display window and setting the HEATING Mode.
When the door is opened, the unit enters MENU Mode, and in this mode the boiler may be
initialized, configured, and adjusted. The controls and display for the E8 controller are described
in the following sub-sections.
Figure 4-2: E8 (NORMAL Mode) Display Features
Table 4-1: E8 (NORMAL Mode) Display Features and Functions
Item
Function
A
Current time (24 hour format)
B
DCF reception OK (only if receiver is connected via eBUS)
C
Display of the active heating program for the first heating circuit (here: 6:00 to 08:00 a.m. and
4:00 to 10:00 p.m.)
D
Bus icon (if this icon does not appear, check data line to connected CAN controllers => check
eBUS via DISPLAY level)
E
Status display: Shows symbols for Internal Burner 1 Relay ON; Heating Mode; Hot Water
Preparation.
F
Heating Mode display symbol. The display symbols apply to all internal heating circuits for which
a separate heating mode has been selected. Note that each symbol occupies a different space
across the display bottom. See
Figure 4-3
.
G
Display of current temperature of HS 1 or header temperature when cascading.
H
Display of number of active heat generators (only applies when cascading).
I
Selectable display and Error Codes (refer to "DISPLAY SEL" parameter in the USER menu).
Rotary Knob
LCD Display
Window
Hinged Cover
(in closed position)
A
B
C
D
E
F
G
H
I
