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A.O. Smith ProLine XE User Manual

A.O. Smith ProLine XE
32 pages
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September 2017
100270596_2000188001 (REV B)
Hybrid Electric
Heat Pump Water Heater

Use & Care Guide


LOW LEAD
CONTENT
DO NOT RETURN THIS UNIT TO THE STORE
Read this manual and the labels on the water heater before you install,
operate, or service it. If you have diculty following the direcons, or
aren’t sure you can safely and properly do any of this work yourself:
Call our Technical Assistance Hotline at 1-888-479-8324. We can help you with
installation, operations, troubleshooting, or maintenance. Before you call, write
down the model and serial number from the water heaters data plate.
Incorrect installaon, operaon, or service can damage the water heater, your house
and other property, and present risks including re, scalding, electric shock, and
explosion, causing serious injury or death.

IMPORTANT SAFETY INFORMATION ................................. 3
GETTING STARTED
............................................................ 6
INSTALLATION
................................................................... 7
DIAGNOSTIC CODES
........................................................ 20
MAINTENANCE
............................................................... 26
REPAIR PARTS ILLUSTRATION
.......................................... 31

Table of Contents

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A.O. Smith ProLine XE Specifications

General IconGeneral
CategoryWater Heater
BrandA.O. Smith
ModelProLine XE
Installation LocationIndoor
Energy Factor0.95
Vent TypeDirect Vent
Voltage240V
Warranty6 years
Capacity40 - 100 gallons

Summary

Important Safety Information

Installation and Maintenance Risks

Details risks associated with installing and maintaining the water heater, including electrical hazards.

Operational Risks and Hazards

Outlines risks during water heater operation, such as scalding and burns.

Getting Started

Tools, Supplies, and Accessories

Lists necessary tools, supplies, and recommended accessories for installation.

Installation Guide

Pre-Installation Checks and Site Verification

Verifies home readiness, water pressure, location suitability, and codes.

Removing and Installing the Water Heater

Guides on safely removing the old unit and placing the new water heater.

Connecting Plumbing and Drains

Instructions for connecting condensate drains, T&P relief valve, and water supply lines.

Filling, Electrical Connections, and Startup

Covers filling the tank, making electrical connections, and initial startup procedures.

Post-Installation Review and Modes

Reviews installation, explains operating modes, and temperature adjustment.

Diagnostic Codes

Error Codes and Corrective Actions

Lists diagnostic codes displayed by the unit and their corresponding corrective actions.

Troubleshooting Common Issues

Diagnosing Common Problems

Addresses no hot water, heater sounds, high temperatures, and low water pressure.

Addressing Specific Performance Issues

Covers insufficient hot water, slow recovery, and plumbing leaks.

Unit Controls and Power Cycling

Explains power cycling the unit and resetting controls like the ECO button.

Maintenance Procedures

Routine Maintenance and Flushing

Details routine tasks, draining, flushing the tank, and anode rod inspection.

Component Replacement Guidelines

Guides on replacing heating elements, ECO, and T&P relief valve.

Air Filter and Condensate Drain Care

Instructions for cleaning or replacing the air filter and maintaining condensate drains.

Repair Parts Information

Parts Identification and Ordering

Provides a list of repair parts and information on how to order them.

Anode Rod Locations

Shows the physical locations of anode rods on the water heater.

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