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Aerco E8 User Manual

Aerco E8
112 pages
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06/05/13 AERCO International, Inc. 100 Oritani Dr. Blauvelt, NY 10913 Ph: 800-526- 0288 Page 1 of 112
GF-115-C
OMM-0084_0D
.
Revised: 06/05/2013
E8 Controller and BCM
For
Modulex MLX & EXT Boilers
For Modulating, Condensing,
Hot Water Boiler Models:
MLX-303
MLX-454
MLX-606
MLX-757
MLX-909
MLX-1060
EXT 321
EXT 481
EXT 641
EXT 802
EXT 962
EXT 1123
EXT 1530
EXT 1912
EXT 2295
EXT 2677
EXT 3060
Boiler Communications Module (BCM)
for MLX and EXT Series Boilers
USER MANUAL
Installation, Operation, and Maintenance

Table of Contents

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Aerco E8 Specifications

General IconGeneral
BrandAerco
ModelE8
CategoryController
LanguageEnglish

Summary

Introduction to Modulex Boiler Systems

Safety and Warning Symbols

Details on safety symbols and warnings to prevent injury and equipment damage.

E8 Controller Operation and Navigation

Normal Mode Operation

Explains operation when the controller door is closed, focusing on display functions.

Parameter Navigation and Revision

Procedure for accessing, viewing, and changing menu item parameters.

E8 Controller Menus and Functions

Expert Menu Functions

Explains the extensive list of functions available in the Expert Menu for advanced settings.

Service Menu for Diagnostics

Describes the Service Menu for troubleshooting and diagnostic functions.

Initial Startup Procedure

Step-by-step guide for the one-time entries required during initial controller setup.

E8 Operating Modes: Setup and Programming

Indoor/Outdoor Reset Mode Setup

Procedures for wiring and configuring the controller for Indoor/Outdoor Reset mode.

Indoor/Outdoor Reset Configuration

Steps to configure the Indoor/Outdoor Reset mode via the USER menu.

Constant Set Point Mode Setup

Procedures for configuring the controller for a fixed header temperature.

Configuring Set Point Limits

Guidance on setting high/low limits based on outside temperature sensor.

0-10 Volt Remote Set Point Mode

Procedures for operating the boiler set point via an external control signal.

Configuring Remote Signal Source

Steps to configure the remote signal source settings for operation.

Setting Voltage and Set Point Limits

Procedure to set voltage limits (U1/U2) and corresponding set points (T1/T2).

DHW Operation with Tank Sensor

Guide for domestic hot water heating using a tank sensor.

DHW Configuration with Tank Sensor

Steps to configure the controller for DHW operation using a tank sensor.

DHW Operation with Aquastat

Guidance for domestic hot water heating using an aquastat.

DHW Configuration with Aquastat

Steps to configure controller for DHW using an aquastat.

Connection Diagrams and Terminal Assignments

Sensor Terminal Assignments

Mapping of sensors to specific terminals on the controller.

Mains Terminal Assignments

Details on mains power and relay terminal assignments.

Power Terminal Assignments

Specific assignments for power terminals on various plugs.

Sensor Terminal Assignments Overview

Detailed sensor terminal assignments for connectors.

Boiler Communications Module (BCM) Details

BCM as Primary Controller via Modbus

Configuration of BCM as primary controller using Modbus network.

E8 Controller Menu Listings Reference

Expert Menu Reference

Reference list of parameters and functions within the Expert Menu.

BCM Modbus and Address Assignments

Fault Codes for E8, BCM, and BMM

Processing and Clearing Fault Codes

Procedure for processing and clearing fault codes displayed on the E8 controller.

Fault Code Interpretation

Guide to determining the correct error code from the E8 controller display.

E8 Controller Fault Codes

List of fault codes and descriptions specific to the E8 Controller.

BCM Fault Codes

List of fault codes and descriptions for the Boiler Communications Module (BCM).

BMM Fault Codes

List of fault codes and troubleshooting tips for the Burner Management Module (BMM).