Table of Contents
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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.
-- 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.
Installation & Operation
LOW LEAD CONTENT
Manual
Models: 1000 - 1500
This manual must only be used
WARNING
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.
Save this manual for future reference.
AWX2-I-O Rev F
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Table of Contents
Related Manuals for Lochinvar Armor X2 AWN1300
Summarization of Contents
Please Read Before Proceeding
Installer Safety, Service, and Operation Guidelines
Key instructions for installers regarding safety, service, and proper water heater operation.
Gas Leak Detection and Response Procedures
Essential steps to follow if a gas odor is detected around the water heater.
1 Determine Water Heater Location
Installation Compliance and Site Preparation
Covers installation codes, pre-installation checks, closet/alcove requirements, and clearances.
Air Openings, Flooring, and Venting Requirements
Details air supply needs, flooring suitability, vent/air piping, and contamination prevention.
Using and Removing Existing Vent Systems
Guidelines for connecting to existing vents and removing old water heaters.
Combustion Air Requirements for Equipment Rooms
Specifies air supply needs when units are in equipment rooms or shared spaces.
2 Prepare Water Heater
Water Heater Removal and Preparation
Instructions for safely removing the water heater from its shipping pallet.
3 General Venting
Direct Venting Options and Terminations
Overview of sidewall and vertical direct venting methods and termination requirements.
Vent and Combustion Air Piping Installation
Guidance on installing the vent and combustion air piping system.
Canadian Venting Requirements and Sizing
Specific requirements and sizing for vent piping in Canada.
Venting Materials and Air Inlet Specifications
Details acceptable materials for venting and air inlet pipes.
Optional Room Air and Air Contamination Hazards
Covers using room air for combustion and hazards of air contamination.
PVC/CPVC Venting Installation Procedures
Step-by-step instructions for installing PVC/CPVC vent piping.
Polypropylene Venting System Installation
Guidelines for installing polypropylene vent pipe systems.
Stainless Steel Vent System Installation
Instructions for installing stainless steel vent pipe systems.
4 Sidewall Direct Venting
Sidewall Vent Termination and Location Determination
Determining the proper location and termination for sidewall venting.
Wall Penetration and Termination Preparation
Procedures for preparing wall openings and installing terminations.
5 Vertical Direct Venting
Vertical Vent Termination and Location Determination
Determining the proper location and termination for vertical venting.
Multiple Vertical Vent/Air Terminations
Guidelines for terminating multiple vertical vent and air connections.
6 System Piping
Water Piping Methods and Scalding Prevention
Covers water piping methods, general information, and scalding hazard prevention.
Water Chemistry and Piping Components
Discusses water chemistry effects and recommends piping components.
7 Gas Connections
Gas Supply Piping and Connection Procedures
Details on connecting the gas supply piping safely and correctly.
Natural Gas and Propane Pressure Requirements
Specifies required gas pressure for natural gas and propane.
Propane Gas Piping Sizing and Requirements
Guidance on sizing gas piping for propane systems.
Checking Inlet Gas Supply Pressure
Procedure for verifying the inlet gas supply pressure.
Gas Pressure Specifications and Valve Replacement
Details gas pressure limits and guidelines for gas valve replacement.
8 Field Wiring
Electrical Installation Compliance and Line Voltage Wiring
Covers electrical compliance and instructions for line voltage connections.
Low Voltage Connections and Cascade Wiring
Instructions for low voltage wiring and setting up cascade systems.
Control Module Inputs and Auxiliary Connections
Details connections for tank sensors, aux limits, louvers, ModBus, and BMS.
9 Condensate Disposal
Condensate Drain System Installation and Maintenance
Instructions for installing and maintaining the condensate drain system.
10 Start-up
Initial Checks and Condensate Trap Setup
Covers initial checks, gas leak detection, and condensate trap preparation.
Final Checks and Flame/Combustion Procedures
Final operational checks, including system, piping, and flame/combustion analysis.
Operating Instructions and Gas Shutoff Procedure
Steps for normal operation and how to turn off gas to the appliance.
Flame and Combustion Analysis
Detailed procedure for measuring and analyzing flue gas combustion.
Setting Heating Operation Parameters
Configuration of heating set points and operating parameters.
Setting System Clock and Cascade Configuration
Procedures for setting the system clock and configuring cascade operations.
11 Operating Information
Appliance Operation and Control Module Functions
Overview of appliance operation, control modules, inputs, outputs, and basic functions.
Temperature Control Features
Details on modulation, night setback, and flame current support.
Protection Features, Limits, and Temperature Regulation
Information on protection features, operational limits, and temperature regulation.
High Limit, Flow Control, and Cascade Operations
Describes high limit actions, flow control, and cascade operation logic.
Detailed Sequence of Operation
Step-by-step explanation of the unit's operational sequence.
SMART TOUCH Control Module Status Screen Overview
Overview of the control module's status screen interface.
Main Menu Screen Navigation and Options
Guide to navigating the main menu and accessing various screens.
12 Maintenance
Annual Startup and Maintenance Schedules
Provides schedules for annual startup and routine maintenance tasks.
Service Technician Responsibilities
Outlines tasks for qualified service technicians.
Owner Maintenance Tasks Overview
Details maintenance tasks for the owner.
Address Reported Problems
Guidance on identifying and correcting reported issues.
Water Heater Area and Interior Inspection
Procedures for inspecting the water heater area and interior components.
Condensate Trap and Piping Maintenance
Instructions for cleaning and maintaining the condensate trap and drain line.
Piping and Vent System Integrity Checks
Procedures for checking the integrity of all piping and vent systems.
Water System, Expansion Tank, and Relief Valve Checks
Checks for water system, expansion tank, and safety relief valve.
Ignition, Wiring, and Control Setting Checks
Inspection of ignition system, wiring, and control settings.
Perform Startup and Checks
Guides for performing startup procedures and checks.
Burner Flame and Signal Checks
Procedures for checking burner flame quality and signal strength.
Review with Owner and Heat Exchanger Cleaning
Discussing maintenance with owner and cleaning the heat exchanger.
Handling Ceramic Fiber Materials Safely
Safety guidelines for handling ceramic fiber materials in the combustion chamber.
13 Diagrams
Ladder Diagrams
Illustrates the electrical ladder diagrams for system operation.
Wiring Diagram
Detailed wiring diagram for the water heater's electrical system.
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