Lochinvar Armor X2 AWN1500 User Manual

Installation & Operation
Manual
Models: 1000 - 1500
This manual must only be used
by a qualified heating installer
/ service technician. Read all
instructions, including this manual
and the Armor X2 Water Heater
Service Manual, before installing.
Perform steps in the order given.
Failure to comply could result in
severe personal injury, death, or
substantial property damage.
 WARNING
Save this manual for future reference.
AWX2-I-O Rev F
-- This water heater MUST NOT be installed in
any location where gasoline or flammable vapors
are likely to be present.
-- WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electric switch; do not use any
phone in your building.
• Immediately call your gas supplier from a near by
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
• Installation and service must be performed by a
qualified installer, service agency, or the gas
supplier.
 WARNING: If the information in this
manual is not followed exactly, a fire or
explosion may result causing property damage,
personal injury or loss of life.
LOW LEAD CONTENT

Lochinvar Armor X2 AWN1500 Specifications

General

Model	AWN1500
Weight	1, 430 lbs
Type	Condensing Water Heater
Fuel Type	Natural Gas
Water Connection Size	2" NPT
Gas Connection Size	1.5 inches
Warranty	5 years limited warranty
Input BTU/hr	1, 500, 000 BTU/hr

Summary

Please Read Before Proceeding

Water Heater Operation

Key operational guidelines and safety precautions for safe use.

The Armor X2 Water Heater - How it works

Component Overview

Detailed explanation of the various parts and their functions within the water heater.

Ratings

Model Specifications

Technical specifications including input, water content, connections, and vent/air sizes.

Determine Water Heater Location

Prevent Combustion Air Contamination

Avoid contaminants in air supply to prevent damage and safety hazards.

Closet and Alcove Installations

Specific clearance and material requirements for confined spaces.

General Venting

Install Vent and Combustion Air Piping

Procedures for installing vent and air piping systems correctly.

Sizing

Guidelines for determining correct air intake and vent piping sizes.

Sidewall Direct Venting

Vent/Air Termination - Sidewall

Guidelines for terminating vent and air pipes through exterior walls.

Prepare Wall Penetrations

Steps for cutting holes and mounting termination plates through walls.

Vertical Direct Venting

Vent/Air Termination - Vertical

Guidelines for terminating vent and air pipes through roofs.

System Piping

Scalding

Warnings and precautions regarding high water temperatures and scald injury.

Piping Components

Information on essential piping components like valves, unions, and tanks.

Gas Connections

Connecting Gas Supply Piping

Steps for safely connecting the gas supply line to the appliance.

Gas Pressure

Required gas pressure ranges for proper operation and safety.

Field Wiring

Line Voltage Connections

Instructions for connecting the 120 VAC power supply and other components.

Low Voltage Connections

Guide for connecting low voltage wiring for controls and accessories.

Start-up

Check Flame and Combustion

Procedures to verify proper burner flame and combustion performance.

Set Heating Operation

How to configure heating parameters and set temperatures for optimal performance.

Operating Information

Protection Features

Overview of built-in safety features like freeze protection and temperature limits.

Sequence of Operation

Step-by-step process of the unit firing and operating.

Maintenance

Service Technician Schedule

Recommended annual checks and tasks for qualified service technicians.

Owner Maintenance

Routine tasks for owners to perform for regular upkeep.

Diagrams

Wiring Diagram

Detailed electrical wiring schematic for the appliance.