American Water Heater (A)BCG3 85T500-8P ユーザーズマニュアル

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Outdoor Air Through Two Vertical Ducts ........................................17
Air From Other Indoor Spaces .......................................................17
Technical Data Venting ..................................................................18

WATer heATer INSTALLATION ......................................................19

Water Line Connections ................................................................19
T&P Valve Discharge Pipe .............................................................19
Installation Diagrams - Top Inlet/Outlet Usage ..............................20
Code restrictions ..........................................................................20
heater Wiring .................................................................................21
Gas Piping .....................................................................................22
Purging ..........................................................................................22
Gas Pressure regulator ................................................................22

OPerATION .......................................................................................23

General ..........................................................................................23
Filling .............................................................................................23

SeQUeNCe OF OPerATION ...........................................................23

Lighting & Operation Label ............................................................24
Check Venting ...............................................................................25
Check the Igniter Assembly ...........................................................25
Igniter Assembly ............................................................................25
Main Burner ...................................................................................25
Gas Valves .....................................................................................25
Checking the Input .........................................................................26

MAINTeNANCe .................................................................................26

Venting System ..............................................................................26
remote Storage Tank Temperature Control ..................................26
Temperature-Pressure relief Valve Test .......................................26
hot Water Odor ..............................................................................27
Anode rod Inspection ...................................................................27
Draining and Flushing ....................................................................27
recommended Procedure for Periodic removal of Lime Deposits
from Tank Type Commercial Water heaters ..................................28
Deliming Solvents ..........................................................................28
Tank Cleanout Procedure ..............................................................28
Deliming Using Flo-Jug Method ....................................................28
Ignition Module System .................................................................30
System Diagnostics .......................................................................30

SerVICe ............................................................................................30

electrical Servicing ........................................................................30

FOr yOUr INFOrMATION ...............................................................30

Start Up Conditions .......................................................................30
Operational Conditions ..................................................................30
Sequence of Operation Flow Chart ...............................................32

OPerATIONAL CheCkLIST .............................................................33
WATer PIPING DIAGrAMS ..............................................................34
MANIFOLD kITS ................................................................................49
COMMerCIAL STOrAGe TANk WArrANTy .................................50
NOTeS ...............................................................................................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
Qualifications ...................................................................................6

FeATUreS AND COMPONeNTS .......................................................7

The eliminator (self-cleaning system) .............................................7
high Limit Switch .............................................................................7
electronic Ignition Control ................................................................7
exhaust Inducer (blower assy.)........................................................7
Uncrating .........................................................................................7

INSTALLATION CONSIDerATIONS ...................................................8

rough In Dimensions ......................................................................8
recovery Capacities ........................................................................8
Gas and electrical Characteristics ...................................................8
Locating the Water heater ...............................................................9
Clearances ......................................................................................9
Installation On Combustible Flooring .............................................10
Insulation Blanket ..........................................................................10
hard Water ....................................................................................10
Circulation Pumps .........................................................................10
high Altitude Installations .............................................................. 11
Propane Installations ..................................................................... 11
Natural Gas Installations ............................................................... 11

INSTALLATION reQUIreMeNTS ....................................................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
Contaminated Air ...........................................................................14
Air requirements ...........................................................................14
Unconfined Space .........................................................................15
Confined Space .............................................................................15
Vent Adapter ..................................................................................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