E8 Heating Mode Selection - Watts AERCO Modulex EXT Commercial Series User Manual

Modulex EXT Commercial Series Boilers User Manual
CHAPTER 5: E8 Controller and BCM Modules

5.1.3 E8 HEATING Mode Selection

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 5-3.
Figure 5-3: E8 HEATING Mode Display Features (NORMAL Mode)
TABLE 5-2: E8 HEATING Mode Features & Functions (NORMAL Mode)
SYMBOL MODE NAME
Heating Mode
Selection
Standby / OFF
Automatic Mode 1
Automatic Mode 2
Summer Mode
Day Mode
Night Mode
Service Mode
OMM-0095_0H
GF-139
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.
Heat OFF and hot water (HW) preparation OFF, only
frost protection mode.
Heat according to timer program 1; HW according to
HW program.
Heat according to timer program 2; HW according to
HW program.
Heating OFF, HW according to HW program.
24 Hour heating with comfort temperature 1; HW
according to HW program.
24 Hour heating with reduced temperature; HW
according to program.
Automatic reset after 15 minutes. Boiler regulated at
max boiler temperature.
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
Heating Mode
Symbols: Only the
one currently
selected mode will
be displayed.
DESCRIPTION
Page 79 of 144
09/15/2017