American Water Heater BCL3 85T275 6NOX User Manuals

Table of Contents

• Water Line Connections

  20
• Safe Installation, Use and Service

  3
• APPROVALS

  3
• General Safety Information

  4
  • Precautions

    5
  • Grounding Instructions

    5
  • Hydrogen Gas Flammable

    5
• Introduction

  6
  • Abbreviations Used

    6
  • Qualifications

    6
• Features and Components

  7
  • Controls

    7
  • The Eliminator (self-cleaning system)

    7
  • High Limit Switch

    7
  • Electronic Ignition Control

    7
  • Blower/Burner Assembly

    7
• Installation considerations

  8
  • Rough In Dimensions

    8
  • Locating the Water Heater

    9
  • Clearances

    9
  • NSF Leg Kit

    10
  • Insulation Blanket

    10
  • Hard Water

    10
  • Circulation Pumps

    10
  • High Altitude Installations

    11
• Installation Requirements

  12
  • Gas Supply Systems

    12
  • Gas Pressure Requirements

    12
  • Supply Gas Regulator

    12
  • Power Supply

    12
  • Water Temperature Control and Mixing Valves

    12
  • Dishwashing Machines

    13
  • Closed Water Systems

    13
  • Thermal Expansion

    13
  • Temperature-Pressure Relief Valve

    13
  • Combustible Material Storage

    14
  • Contaminated Air

    14
  • Air Requirements

    15
  • Unconfined Space

    15
  • Confined Space

    15
• VENTING INSTALLATION

  15
  • Venting

    15
  • Multiple Heater Manifold

    16
  • Fresh Air Openings for Confined Spaces

    16
  • Outdoor Air Through Two Openings

    16
  • Outdoor Air Through One Opening

    16
  • Outdoor Air Through Two Horizontal Ducts

    16
  • Outdoor Air Through Two Vertical Ducts

    17
  • Air From Other Indoor Spaces

    17
• Water heater installation

  20
  • Water Line Connections

    20
  • T&P Valve Discharge Pipe

    20
  • Installation Diagrams - Top Inlet/Outlet Usage

    21
  • Heater Wiring

    22
  • Gas Piping

    23
  • Gas Line Leak Testing

    23
  • Purging

    23
• Start up

  24
  • Prior to Start Up

    24
  • Initial Start Up

    24
  • Checking Venting

    25
  • Checking the Input

    25
  • Water Temperature Adjustment

    25
• Sequence of Operation

  26
  • Lighting & Operating Label

    26
  • Sequence of Operation Flow Chart

    27
• Maintenance

  28
  • Venting System

    28
  • Intake Air Screen

    28
  • Temperature-Pressure Relief Valve Test

    28
  • Anode Rod Inspection

    28
  • Draining and Flushing

    29
  • Periodic Removal of Lime Deposits from Tank Type Commercial Water Heaters

    29
  • Deliming Solvents

    29
  • Tank Cleanout Procedure

    30
  • Deliming Using Flo-Jug Method

    30
• SERVICE

  31
  • Ignition Control System

    31
  • System Diagnostics

    31
  • Electrical Servicing

    31
• For Your Information

  32
  • Start Up Conditions

    32
  • Operational Conditions

    32
• Troubleshooting

  33
• Water Piping Diagrams

  34
• Notes

  50
• Limited Warranty

  51