AERCO Modulex E8 Controls Guide - Manual (Page 62)

PR1: 11/30/12 Page 62 of 112
GF-115-C Modulex E8 Controller and BCM
Operations and Maintenance Manual
OMM-0084_0D
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526- 0288
Figure 7-2: Boiler Communications Module (BCM) Features
Boiler Communications Module (BCM) Features and Functions
Feature Function
Enable/Disable
Switch (I/0)
Two-position rocker switch enables the BCM to act as a Back-
Up Controller when placed in the ON (I) position.
Reset Switch
Momentary two-position rocker switch resets (clears) fault relay
and LED when activated.
DL1 LED
(Yellow)
Communication Status Indicator functions as follows:
STATUS DESCRIPTION
OFF
No devices detected by either communication
interface.
BLINKING
Only one communication device detected at one
communication interface (input or output).
ON
Both communication interfaces
(input & output) are active.
DL2 LED
(Red)
Alarm Status LED lights when a fault is detected by the BCM.
Activating the Reset Switch will clear the faults.
DL3 LED
(Green)
Pump Status Indicator lights when Pump is running.
SW1
10-Pos. Rotary
Switch
Screwdriver-adjustable rotary switch labeled 0 – 9. This switch
is used to set the corresponding address of the Modulex Boiler
on the input Modbus or Ebus Network.
Input
Communications
(Modbus/Ebus)
Output
Communications
(Ebus)
Reset
Switch
DL1
(Yellow)
DL2
(Red)
DL3
(Green)
Enable/Disable
Switch (I/O)
SW1
Switch