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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 Hydro Cannon (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
taBle of contents
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
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
LIMITED WARRANTy ........................................................................ 50
NoTEs ............................................................................................... 51
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