Argo AT1644 User Manual

INSTALLATION, OPER ATION
& MAINTENANCE MANUAL
An ISO 9001-2008 Certied Company
Information and specications outlined in this manual in effect at the
time of printing of this manual. ECR International, Inc. reserves the
right to discontinue, change specications or system design at any
time without notice and without incurring any obligation, whatsoever.
"AT" SERIES ELECTRIC
HOT WATER BOILERS
FOR FORCED HOT WATER
Manufactured by:
ECR International, Inc.
2201 Dwyer Avenue, Utica NY 13501
web site: www.ecrinternational.com
P/N# 240009740, Rev. A [09/2013]

Argo AT1644 Specifications

General

Brand	Argo
Model	AT1644
Category	Boiler
Language	English

Summary

"AT" SERIES BOILER DIMENSIONS

IMPORTANT SAFETY INFORMATION

INTRODUCTION

Product Description

Details the boiler's design, ASME compliance, efficiency, and standard features.

VOLTAGE RATING TABLES

LOCATING THE BOILER

HYDRONIC PIPING

Circulating System Guidelines

Guidelines for primary/secondary piping, flow rates, and temperature considerations for system design.

Supply and Return Piping Connections

Requirements for water connections, low water cutoff, and pipe flow direction for safe installation.

ELECTRICAL CONNECTIONS

Boiler Wiring and Field Wiring

General wiring guidelines, codes, wire types, and installer connection specifics for safe electrical setup.

Control Wiring and Thermostat Installation

Instructions for connecting thermostats, pumps, and control board wiring for boiler operation.

CONTROL OPERATION AND SEQUENCE

AT Boiler Controller Overview

Identifies controller buttons, LEDs, and display functions for basic operation and monitoring.

Setting Boiler Operating Parameters

How to configure operating modes, temperature scales, and heating elements for desired comfort.

System Inputs and Safety Features

Explains Load Management, Flow Sensor, and Low Water Cutoff inputs and their safety functions.

Boiler Fault Code Explanations

Details common fault codes, their causes, and required actions for troubleshooting and maintenance.

WIRING DIAGRAMS

STARTUP AND SEASONAL MAINTENANCE

GENERAL MAINTENANCE

MODULAR BOILER PIPING

TROUBLESHOOTING

Troubleshooting Common Boiler Issues

Addresses noisy boilers and procedures for changing heating elements for repair.

AT Boiler Fault Diagnosis Table

Table correlating faults with possible causes and corrective actions for effective diagnosis.

RESISTANCE VS. TEMPERATURE TABLE

PARTS LIST - 2 & 4 ELEMENT BOILER

HOMEOWNER'S REFERENCE TABLE