06/05/13 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526- 0288 Page 12 of 112
Modulex E8 Controller and BCM
Operations and Maintenance Manual
3.1.2 HEATING Mode Selection (in NORMAL Mode)
Heating modes may be selected using the Rotary Knob on the controller when the hinged door
is in the closed position (NORMAL Mode). As the Rotary Knob is turned, each appropriate
heating mode symbol is displayed, in turn, along the lower edge of the display.
Mode changes take effect when the setting is not changed for 5 seconds. The symbols and
description for the available heating modes are shown in Figure 3-2.
Figure 3-2: Heating Mode Display Symbols and Description
E8 Controller HEATING Modes
SYMBOL MODE NAME DESCRIPTION
Heating Mode
Selection
Turn the Rotary Knob to select the heating mode
required. The
heating mode is indicated by a symbol at
the bottom of the display. It takes effect when the setting
is not changed for 5 seconds.
Standby / OFF
(Heat OFF and hot water (HW) preparation OFF, only
frost protection mode)
Automatic Mode 1
(Heat according to timer program 1; HW according to
HW program)
Automatic Mode 2
(Heat according to timer program 2; HW according to
HW program)
Summer Mode
(Heating OFF, HW according to HW program)
Day
Mode
(24 Hour heating with comfort temperature 1; HW
according to HW program)
Night
Mode
(24 Hour heating with reduced temperature; HW
according to program)
Service Mode
(Automatic reset after 15 minutes. Boiler regulated at
max boiler temperature)
3.1.3 MENU Mode Operation (Door Open)
Opening the E8 controller hinged door reveals the E8 controls (Figure 3-3) and initiates the
Only currently selected
mode will be displayed.