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Aerco MODULEX EXT 321 User Manual

Aerco MODULEX EXT 321
146 pages
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MODULEX EXT GF-143
User Manual
OMM-0087_0F
AERCO International, Inc. 100 Oritani Dr. Blauvelt, New York 10913 Phone: 800-526-0288
USER MANUAL
Installation, Operation and Maintenance
MODULEX EXT
Light Commercial Series
Modular Condensing Boilers
Natural Gas Modulating &
Condensing Modular Hot
Water Boiler
LIGHT COMMERCIAL SERIES
Covering Models:
EXT 321
EXT 481
EXT 641
EXT 802
EXT 962
EXT 1123
Latest Update: 07/13/2015

Table of Contents

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Aerco MODULEX EXT 321 Specifications

General IconGeneral
BrandAerco
ModelMODULEX EXT 321
CategoryBoiler
LanguageEnglish

Summary

Chapter 1: General Information

1.4 Safety Warnings

Crucial safety precautions and guidelines to prevent injury, damage, or death.

1.8 Operational Requirements

Essential guidelines and regulations for proper boiler operation and system compliance.

1.8.3 Water Quality Requirements

Guidelines for maintaining optimal heating system water quality for boiler longevity and efficiency.

Chapter 2: Technical Features and Dimensions

2.1 Modulex EXT Technical Features

Overview of the boiler's key technical specifications, components, and design elements.

2.3 Dimensional Drawings

Visual representation of the boiler's physical dimensions and connection points.

2.4 Performance Data

Detailed technical data including flow rates, consumption, and efficiency metrics.

Chapter 3: Installation Instructions

3.1 General Warnings

Important overarching warnings and precautions for boiler installation safety and compliance.

3.4 Transporting and Securing the Boiler Safely

Guidelines for safely moving and securing the boiler during transport and installation.

3.6 Boiler Location Inside A Boiler Room

Recommendations for selecting an appropriate and safe location for the boiler.

3.8 Boiler Connections

Instructions for making essential water, gas, and exhaust pipe connections to the boiler.

3.14 Condensate Piping and Drain

Procedures for correctly installing and maintaining the condensate evacuation system.

3.24 Electrical Connections

Guidelines and regulations for making safe and compliant electrical connections to the boiler.

Chapter 4: E8 Controller and BCM Modules

4.1 E8 Controller

Introduction to the E8 controller, its role, and main components for boiler operation.

4.2 BCM (Boiler Communication Module)

Explanation of the BCM module for system communication, control, and redundancy.

Chapter 5: Operation

5.1 Installation Menu: Initializing the E8 Controller

Steps for initial setup and configuration of the E8 controller before boiler operation.

5.2 Quick Start Instructions

Simplified guide to setting essential boiler parameters like temperatures and programs.

5.7 User Menu

Overview of user-accessible settings for customizing heating and hot water operations.

Chapter 6: Troubleshooting

6.1 E8 Controller Error Codes

List and explanation of error codes displayed by the E8 controller for diagnostics.

6.1.1 E8 Controller Fault Codes

Detailed fault codes and descriptions for the E8 controller's PCB, system manager, and communication.

6.1.2 BCM (Boiler Communications Module) Fault Codes

Fault codes specific to the BCM module, including effects, corrections, and resets.

6.1.3 BMM (Burner Management Module) Fault Codes

Fault codes related to the BMM module, covering burner control and ignition issues.

Chapter 7: Maintenance Schedule

7.1 Instructions for Inspection and Maintenance

Procedures and safety steps for performing regular boiler inspections and maintenance.

7.3 Proper Procedure For Cleaning Exhaust Flue

Guidelines for cleaning the flue exhaust system and condensate drain for optimal operation.

7.10 Unit Disassembly

Step-by-step instructions for safely disassembling the boiler for maintenance access.

Chapter 8: Spare Parts Drawing and Lists

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