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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
LIMITED 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
Qualications ...................................................................................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
Unconned Space .........................................................................15
Conned Space .............................................................................15
Vent Adapter ..................................................................................15
VENTING INSTALLATION .................................................................15
Venting ...........................................................................................15
Multiple Heater Manifold ................................................................16
Fresh Air Openings For Conned Spaces .....................................16
Outdoor Air Through Two Openings ..............................................16
Outdoor Air Through One Opening ................................................16
Outdoor Air Through Two Horizontal Ducts ...................................16