2
Air From Other Indoor Spaces .........................................................17
Technical Data Venting ....................................................................18
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
Gas Valves .......................................................................................25
Checking the Input ...........................................................................25
Water Temperature Adjustment .......................................................25
SeQUenCe OF OPerATIOn .............................................................26
lighting & Operation label ..............................................................26
Sequence of Operation Flow Chart .................................................27
MAInTenAnCe ...................................................................................28
Check the Igniter Assembly and Main Burners ................................28
Igniter Assembly ..............................................................................28
Main Burner .....................................................................................28
Venting System ................................................................................28
remote Storage Tank Temperature Control ....................................28
Temperature-Pressure relief Valve Test .........................................28
hot Water Odor ................................................................................29
Anode rod Inspection .....................................................................29
Draining and Flushing ......................................................................29
recommended Procedure for Periodic
removal of lime Deposits from Tank Type
Commercial Water heaters .............................................................29
Deliming Solvents ............................................................................30
Tank Cleanout Procedure ................................................................30
Deliming Using FlO-JUG Method ...................................................30
SerVICe ..............................................................................................32
Ignition Module 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
Manifold Kits ....................................................................................50
WaRRaNTy .........................................................................................51
taBle of Contents
SAFe InSTAllATIOn, USe AnD SerVICe..........................................3
GenerAl SAFeTY InFOrMATIOn ......................................................4
Precautions ........................................................................................5
Grounding Instructions ......................................................................5
hydrogen Gas Flammable .................................................................5
InTrODUCTIOn ....................................................................................6
Abbreviations Used ...........................................................................6
Qualications .....................................................................................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
low Gas Pressure Switch .................................................................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
InSTAllATIOn reQUIreMenTS ......................................................12
Gas Supply System .........................................................................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
Unconned Space ...........................................................................15
Conned Space ...............................................................................15
VenTInG InSTAllATIOn ...................................................................15
Venting .............................................................................................15
Multiple heater Manifold ..................................................................16
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