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Modulex ext – AERCO Modulex EXT 1530 - 3060 User Manual

Page 79

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MODULEX EXT

1530, 1912, 2295, 2677, 3060 BOILERS

Installation, Operation & Maintenance Manual















Figure 4-6: BCM (Boiler Control Module) Features

Table 4-5: BCM (Boiler Control Module) Features and Functions

Item

Feature

Function

A

Change-Over Series/Parallel,

3-Position Switch

Three-position rocker switch for setting internal/external boiler control.

B

Enable/Disable (I/0),

2-Position Switch

Two-position rocker switch enables the BCM to act as a Back-Up

Controller when placed in the ON (I) position. See Table 4-6 for

description of settings related to Item B switch.

C

Reset Switch

Momentary two-position rocker switch resets (clears) fault relay and

LED when activated.

D

SW1,

10-Position Rotary Switch

Rotary switch labeled 0 – 9. Sets the corresponding address of Boiler

on the input Modbus or EBUS Network.

E

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.

F

DL2 LED: (RED)

Alarm Status LED lights when a fault is detected by the BCM.

Activating the Reset Switch will clear the faults.

G

DL3 LED: (GREEN)

Pump Status Indicator lights when Pump is running.

Input

Communications

Connector

(Modbus/Ebus)

Output

Communications

Connector (Ebus)

DL1 (YELLOW)

DL2 (RED)

DL3 (GREEN)

Enable/Disable

2-Pos. Switch

SW1 Switch

Change-Over

3-Pos. Switch

Reset Switch

B

C

A

D

E

F

G

OMM-0095_0E

AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913

Page 79 of 138

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Phone: 800-526-0288

12/01/14