American Water Heater (A)BCL3100T2756NOX Instruction Manual download pdf (Page 2)

VENTING INSTALLATION ...................................................... 18

Venting ............................................................................... 18

Multiple Heater Manifold .................................................... 18

WATER HEATER INSTALLATION ........................................... 21

Water Line Connections ..................................................... 21

T&P Valve Discharge Pipe ................................................. 21

Installation Diagrams - Top Inlet/Outlet Usage ................... 22

Heater Wiring ..................................................................... 23

Gas Piping.......................................................................... 24

Gas Line Leak Testing ........................................................ 24

Purging ............................................................................... 24

START UP ............................................................................... 25

Prior to Start Up ................................................................. 25

Initial Start Up..................................................................... 25

Checking Venting ............................................................... 26

Checking the Input ............................................................. 26

Water Temperature Adjustment .......................................... 26

SEQUENCE OF OPERATION ................................................ 27

Lighting & Operating Label................................................. 27

Sequence of Operation Flow Chart .................................... 28

MAINTENANCE ..................................................................... 29

Venting System .................................................................. 29

Intake Air Screen ................................................................ 29

Temperature-Pressure Relief Valve Test ............................ 29

Anode Rod Inspection ........................................................ 29

Draining and Flushing ........................................................ 30

Periodic Removal of Lime Deposits from Tank Type Commercial

Water Heaters .................................................................... 30

Deliming Solvents .............................................................. 30

Tank Cleanout Procedure................................................... 31

Deliming Using Flo-Jug Method ......................................... 31

SERVICE ................................................................................. 32

Ignition Control System ...................................................... 32

System Diagnostics............................................................ 32

Electrical Servicing ............................................................. 32

FOR YOUR INFORMATION .................................................... 33

Start Up Conditions ............................................................ 33

Operational Conditions....................................................... 33

TROUBLESHOOTING ............................................................ 34

WATER PIPING DIAGRAMS ................................................... 35

NOTES .................................................................................... 50

LIMITED WARRANTY ............................................................. 51

TABLE OF CONTENTS

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

Qualications........................................................................ 6

Preparing for the Installation ................................................ 6

FEATURES AND COMPONENTS ............................................ 6

Controls ................................................................................ 6

The Eliminator (self-cleaning system) .................................. 6

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

Unconned Space .............................................................. 15

Conned Space.................................................................. 15

Fresh Air Openings for Conned 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

1 2 3 4 5 6 7 ... 51 52

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American Water Heater (A)BCL3100T2756NOX Instruction Manual Page 2

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