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Lochinvar Armor X2 AWN1300 User Manual

Lochinvar Armor X2 AWN1300
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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

Table of Contents

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Lochinvar Armor X2 AWN1300 Specifications

General IconGeneral
CategoryWater Heater
BrandLochinvar
SeriesArmor X2
ModelAWN1300
Fuel TypeNatural Gas
Input (BTU/hr)130, 000
Thermal Efficiency95%
Warranty5 years
TypeCondensing
Efficiency95%
Width30 inches
Depth24 inches
Minimum Water Flow Rate (GPM)0.5 GPM
VentingPVC, CPVC

Summary

Safety and Gas Leak Procedures

What to do if you smell gas

Immediate actions and contact procedures for gas leaks.

Hazard Definitions

Understanding Hazard Indicators

Explains DANGER, WARNING, CAUTION, and NOTICE symbols.

Please read before proceeding

Installer Instructions and Warnings

Emphasizes manual reading, annual service, and safety precautions.

Corrosive Environment Precautions

Warns against installing in rooms with corrosive contaminants.

The Armor X2 Water Heater - How it works

Component Descriptions

Details the function of various internal and external parts.

Ratings

Model Specifications

Lists model numbers, input, water, gas, and vent/air sizes.

High Altitude Operation

Notes specific adjustments and ratings for high altitude models.

1 Determine water heater location

Installation Compliance and Checks

Lists codes, regulations, and pre-installation checks required.

Clearances and Installation Space

Specifies required clearances for combustibles, service, closets, and alcoves.

1 Determine water heater location (continued)

Air Openings and Combustion Air

Details requirements for room air openings and preventing contamination.

Flooring and Foundation Requirements

Specifies acceptable flooring and foundation considerations.

1 Determine water heater location (continued)

Corrosive Contaminants and Vent System Use

Lists contaminants to avoid and guidelines for using existing vent systems.

1 Determine water heater location (continued)

Removing from Common Vent System

Procedures for safely removing a unit from a common vent system.

1 Determine water heater location (continued)

Combustion and Ventilation Air Requirements

Details air supply requirements for equipment rooms via ducts or interior spaces.

1 Determine water heater location (continued)

Table 1B Combustion Air Supply

Specifies minimum recommended combustion air supply to the equipment room.

2 Prepare water heater

Remove Water Heater from Pallet

Step-by-step instructions for safely removing the unit from its shipping pallet.

3 General venting

Direct Venting Options

Illustrates sidewall and vertical direct venting configurations.

3 General venting (continued)

Install Vent and Combustion Air Piping

Instructions for installing vent and air piping, including materials and connections.

Air Intake/Vent Connections

Details specific connection procedures for air intake and vent piping.

3 General venting (continued)

Canadian Installation Requirements and Sizing

Specifies Canadian certifications and provides tables for vent/air piping sizes.

Sizing

Provides guidance on sizing combustion air and vent piping based on model and length.

3 General venting (continued)

Materials and Sealing Procedures

Lists acceptable materials for air inlet pipes and details sealing procedures for joints.

3 General venting (continued)

Optional Room Air and Contamination Risks

Discusses using room air for combustion and the risks of air contamination.

3 General venting (continued)

PVC/CPVC Venting Installation

Details approved PVC/CPVC materials and installation procedures, including cementing.

3 General venting (continued)

Polypropylene Venting Systems

Covers approved polypropylene vent manufacturers, adapters, and termination kits.

3 General venting (continued)

Stainless Steel Venting Systems

Outlines approved stainless steel vent materials, terminations, and adapters.

4 Sidewall direct venting

Sidewall Vent/Air Termination

Provides guidelines for locating and terminating sidewall vents and air inlets.

Determine Location

Guidelines for selecting the optimal location for sidewall vent and air terminations.

4 Sidewall direct venting (continued)

Sidewall Termination Clearances

Details minimum clearances for sidewall vent and air terminations from various building features.

4 Sidewall direct venting (continued)

Prepare Wall Penetrations

Instructions for cutting holes and installing wall plates for sidewall terminations.

4 Sidewall direct venting (continued)

Prepare Wall Penetrations (Alternate Field Supplied Options)

Instructions for preparing wall penetrations using alternate field supplied options.

Multiple Vent/Air Terminations

Guidelines for terminating multiple sidewall vent/air connections.

5 Vertical direct venting

Vertical Vent/Air Termination

Guidelines for locating and terminating vertical vents and air inlets on a roof.

Determine Location

Guidelines for selecting the optimal location for vertical vent and air terminations.

Prepare Roof Penetrations

Instructions for cutting roof openings and installing penetrations for vertical venting.

5 Vertical direct venting (continued)

Multiple Vertical Vent/Air Terminations

Guidelines for terminating multiple vertical vent/air connections on a roof.

6 System piping

General Piping Information and Scalding Warning

Covers basic piping steps, clearances, and the critical risk of scalding water.

6 System piping (continued)

Water Chemistry and Piping Components

Discusses water quality impact and details on piping components like check valves and unions.

7 Gas connections

Connecting Gas Supply Piping

Outlines procedures for connecting the gas supply, including sediment traps and purging.

7 Gas connections (continued)

Natural Gas Pressure and Propane Gas Requirements

Specifies pressure requirements for natural and propane gas, and notes on propane.

7 Gas connections (continued)

Table 7A Natural Gas Pipe Sizing

Provides a chart for sizing natural gas piping based on flow rate and length.

Check Inlet Gas Supply

Step-by-step guide to checking the gas supply pressure and flow.

7 Gas connections (continued)

Gas Pressure and Valve Safety

Details gas pressure ranges and warnings regarding gas valve adjustment and replacement.

8 Field wiring

Electrical Compliance and Line Voltage Connections

Covers electrical code compliance and procedures for connecting line voltage power.

8 Field wiring (continued)

Low Voltage Connections and Cascade Wiring

Details low voltage wiring, cascade system wiring, and control contacts.

8 Field wiring (continued)

Tank Sensor Installation

Details the connection and function of the tank sensor.

External Control Interfaces

Covers HEX1/HEX2 limits, louver switch, ModBus, and BMS integration.

9 Condensate disposal

Condensate Drain Installation

Instructions for connecting the condensate drain line, including neutralizer kit use.

10 Start-up

Pre-Startup Checks and Condensate Trap Fill

Covers initial checks, gas leak detection, and filling the condensate trap.

10 Start-up (continued)

Pre-Startup Checks

Covers final checks for system integrity, water, vent, air, gas, and flame.

10 Start-up (continued)

Operating Instructions

Step-by-step guide for safely starting the water heater.

Turning Off Gas to Appliance

Procedure for safely shutting off the gas supply to the unit.

10 Start-up (continued)

Flame and Combustion Analysis

Details on analyzing burner flame and flue gas products using a combustion analyzer.

Setting Heating Operation

Instructions for setting heating parameters and hot water set point temperatures.

10 Start-up (continued)

Setting the Clock and Cascade Configuration

Procedures for setting the unit's internal clock and configuring cascade systems.

11 Operating information

Appliance Operation Overview

Describes how the water heater and its control modules function.

Temperature Control and Modulation

Explains temperature regulation, modulation capabilities, and night setback.

11 Operating information (continued)

Key Protection Features

Details safety features like temperature limits, freeze protection, and external limit monitoring.

System Status and Logging

Covers run-time outputs, service reminders, and error logging.

11 Operating information (continued)

High Limit Operations and Flow Sensing

Explains high limit shutdowns and how flow is sensed.

Cascade Operation and Sequence

Details how multiple units operate in a cascade sequence.

11 Operating information (continued)

Sequence of Operation

A step-by-step breakdown of the unit's operational sequence upon a call for heat.

11 Operating information (continued)

SMART TOUCH Control Module Overview

Introduces the control module and its display screens.

Status Screen Information

Explains the various indicators and statuses displayed on the Status Screen.

11 Operating information (continued)

Screen Navigation and Data Display

Explains how to navigate screens and the data shown for configuration, temperatures, and time.

11 Operating information (continued)

Main Menu Screen Navigation

Guides users on navigating the Main Menu screen to access various functions and settings.

12 Maintenance

Service and Maintenance Schedules

Outlines daily, monthly, and bi-annual maintenance tasks for technicians and owners.

12 Maintenance (continued)

Problem Reporting and Area Inspection

Covers addressing reported issues and inspecting the water heater area and interior.

Condensate Trap and Piping Checks

Details cleaning the condensate trap and checking piping for leaks.

Flue Vent and Air Piping Inspection

Instructions for inspecting the flue vent system and air piping for integrity.

12 Maintenance (continued)

Water System and Expansion Tank Checks

Procedures for checking the water system, pressure, air vents, and expansion tank.

Relief Valve and Electrode Maintenance

Covers inspection of the relief valve and cleaning/maintenance of ignition/flame sense electrodes.

Wiring and Control Setting Checks

Instructions for inspecting ground wiring, all water heater wiring, and checking control settings.

12 Maintenance (continued)

Burner Flame and Signal Checks

Procedures for checking burner flame condition and flame signal strength.

Heat Exchanger Cleaning

Detailed steps and precautions for cleaning the heat exchanger.

12 Maintenance (continued)

System Flushing and Final Checks

Steps for flushing the system and performing final start-up checks after maintenance.

12 Maintenance (continued)

Handling Ceramic Fiber Materials

Safety guidelines and procedures for handling ceramic fiber materials in the combustion chamber.

13 Diagrams

Ladder Diagram Part 1

Provides a ladder diagram illustrating control module wiring and components.

13 Diagrams (continued)

Ladder Diagram Part 2

Continues the ladder diagram, showing power supply and control module connections.

13 Diagrams (continued)

Wiring Diagram

A comprehensive wiring diagram illustrating all electrical connections for the unit.

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