2
SAFE INSTALLATION, USE AND SERVICE...................... 3
APPROVALS ...................................................................... 3
GENERAL SAFETY INFORMATION .................................. 4
INTRODUCTION ................................................................ 5
Abbreviations Used ..................................................... 5
QualiedInstallerorServiceAgency........................... 5
PreparingfortheNewInstallation ............................... 5
INSTALLATION CONSIDERATIONS ................................. 6
RoughInDimensions .................................................. 6
Thermometers ............................................................. 7
FactstoConsiderAboutTheLocation ........................ 7
HighAltitude ................................................................ 8
Clearances .................................................................. 8
Insulation Blankets ...................................................... 9
Hard Water .................................................................. 9
CirculationPumps ....................................................... 9
INSTALLATION REQUIREMENTS .................................. 10
GasSupplySystems ................................................. 10
GasPressureRequirements ..................................... 10
SupplyGasRegulator ............................................... 10
MixingValves ............................................................ 10
WaterPiping .............................................................. 11
ClosedWaterSystems .............................................. 11
ThermalExpansion ................................................... 11
Temperature-PressureReliefValve ......................... 11
FillingtheWaterHeater ............................................. 12
AirRequirements....................................................... 12
UnconnedSpace ..................................................... 13
ConnedSpace ......................................................... 13
FreshAirOpeningsforConnedSpaces .................. 13
OutdoorAirThroughTwoOpenings .......................... 13
OutdoorAirThroughOneOpening ........................... 13
OutdoorAirThroughTwoHorizontalDucts ............... 14
OutdoorAirThroughTwoVerticalDucts ................... 14
AirFromOtherIndoorSpaces .................................. 14
Venting ...................................................................... 14
GasPiping ................................................................. 16
SedimentTraps ......................................................... 17
LIGHTING & OPERATING INSTRUCTIONS ................... 18
TEMPERATURE REGULATION ...................................... 19
FOR YOUR INFORMATION ............................................. 19
Start Up Conditions ................................................... 19
Operational Conditions .............................................. 20
PERIODIC MAINTENANCE ............................................. 21
VentingSystemInspection ........................................ 21
BurnerInspection ...................................................... 21
BurnerCleaning ........................................................ 21
Housekeeping ........................................................... 21
AnodeRodInspection ............................................... 22
Temperature-PressureReliefValveTest ................... 22
RECOMMENDED PROCEDURE FOR PERIODIC
REMOVAL OF LIME DEPOSITS FROM TANK
TYPE COMMERCIAL WATER HEATERS ........................ 22
DelimingSolvents...................................................... 23
TankCleanoutProcedure .......................................... 23
DelimingUsingFlo-JugMethod ................................ 23
DrainingandFlushing ............................................... 24
Service ...................................................................... 24
LEAKAGE CHECKPOINTS .............................................. 25
TROUBLESHOOTING GUIDELINES ............................... 26
WATER PIPING DIAGRAMS ............................................ 27
NOTES ............................................................................. 33
WARRANTY .....................................................................35
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