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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.
OAW-I-O_100161598_2000015611_Rev AA
Outdoor Armor Water
Heater Installation &
Operation Manual
Models: 151 - 286
This manual must only be used by
⚠WARNING
a qualified heating installer / service
technician. Read all instructions,
including this manual and the
Outdoor Armor 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.
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Table of Contents
Related Manuals for Lochinvar OAN286PM
Summarization of Contents
Determine Water Heater Location
Installation Compliance
Lists codes and regulations for installation.
Installation Location Requirements
General warnings and requirements for outdoor installation.
Provide Clearances
Specifies minimum clearances from combustible materials and for service access.
Outdoor Vent/Air Intake Location
Guidelines for positioning the vent and air intake to prevent recirculation.
Flooring and Foundation
Requirements for the installation surface and foundation.
Prevent Combustion Air Contamination
Lists contaminants and areas to avoid for clean combustion air.
Prepare Water Heater
Remove Water Heater from Pallet
Instructions for safely removing the unit from its shipping pallet.
Install Flue Pipe Assembly
Steps for connecting the flue pipe and vent components.
Gas Conversions
Procedures for converting the unit from natural gas to propane.
Leveling the Water Heater
Instructions on how to adjust the legs to ensure the unit is level.
System Piping
System Water Piping Methods
General guidelines and requirements for water piping installation.
Pump Cover and Flow Switch/Relief Valve Installation
Instructions for installing pump cover, flow switch, and relief valve.
Flow Switch Adjustment and Scalding Safety
Setting the flow switch sensitivity and preventing scalding.
Water Chemistry and Piping Components
Discusses water quality impact and lists required piping components.
Gas Connections
Connecting Gas Supply Piping
Instructions for connecting the gas supply lines to the unit.
Natural Gas Requirements
Details pipe sizing and pressure requirements for natural gas.
Propane Gas Requirements
Details pipe sizing and pressure requirements for propane gas.
Inlet Gas Supply Checks
Procedures for verifying gas supply pressure and connections.
Gas Pressure and Valve Replacement
Information on gas pressure specifications and gas valve procedures.
Field Wiring
Line Voltage Connections
Connecting 120 VAC power wiring to the unit.
Low Voltage Connections
Routing and connecting low voltage control wiring.
Control Wiring Details
Wiring for sensors, switches, BMS, runtime/alarm contacts, and cascade.
Condensate Disposal
Condensate Drain System
Instructions for installing and maintaining the condensate drain line.
Start-Up
Water Chemistry and Gas Leak Checks
Procedures for checking water quality and gas leaks before operation.
Condensate Fill and Final Checks
Filling the condensate trap and performing pre-start checks.
System Checks and Flame Combustion
Inspecting piping, vents, gas lines, and verifying burner flame.
Operating Instructions and Parameter Setup
Steps for starting the unit, setting parameters, and configuring clock.
Operating Information
Unit Operation Overview
Overview of the water heater's function and control inputs.
Temperature Control and Protection Features
Details on temperature regulation, safety limits, and freeze protection.
System Monitoring and Error Logging
Monitoring external limits, runtime, service reminders, and error logs.
Cascade Operation and Access Modes
How to configure multi-unit cascades and access control modes.
Status Display Screens
Explains the control panel display, status codes, and operational sequences.
Maintenance
Service and Maintenance Schedules
Outlines daily, monthly, and annual maintenance tasks.
Inspection and Cleaning Procedures
Inspecting area, interior, condensate trap, vents, and cleaning components.
System Component Checks
Verifying water system, expansion tank, relief valve, ignition, and wiring.
Flame Analysis and Heat Exchanger Cleaning
Checking burner flame, signal, and cleaning the heat exchanger.
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