TABLE OF CONTENTS |
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| Page |
2 | |
FOREWORD | 3 |
GENERAL SAFETY INFORMATION | 4 |
Precautions | 4 |
Grounding Instructions | 4 |
Chemical Vapor Corrosion | 4 |
Improper Combustion | 4 |
Extended | 4 |
Insulation Blankets | 4 |
High Altitude Installation | 5 |
FEATURES | 5 |
High Limit Switch | 5 |
Electronic Ignition Control | 5 |
Exhaust Inducer (Blower Assy.) | |
Circulating Pump | 6 |
Dishwashing Machine Requirement | 6 |
INSTALLATION INSTRUCTIONS | 6 |
Required Ability | 6 |
Uncrating | 6 |
Locating The Heater | |
Levelling | 7 |
Clearances | 7 |
Hard Water | 7 |
Air Requirements | |
Venting | 8 |
Multiple Heater Manifold | 8 |
Technical Data Venting | 9 |
Water Line Connections | 10 |
Water (Potable) Heating and Space Heating | 10 |
Thermometers (Not Supplied) | 10 |
Relief Valve | 10 |
INSTALLATION |
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INLET/OUTLET USAGE | 11 |
General | 11 |
Code Restrictions | 11 |
INSTALLATION DIAGRAMS | |
Heater Wiring | 18 |
FOREWORD |
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| Page |
Gas Piping | 19 |
Purging | 19 |
Gas Pressure Regulator | |
OPERATION | 20 |
General | 20 |
Filling | 20 |
SEQUENCE OF OPERATION | 21 |
Lighting and Operation | 22 |
Water Temperature Control | 23 |
Checking Venting | 23 |
PREVENTIVE MAINTENANCE | 23 |
Check The Ignitor Assembly | 23 |
Ignitor Assembly | |
Main Burner | 24 |
Gas Valves | 24 |
Checking The Input | 24 |
Venting System | 25 |
Remote Storage Tank Temperature Control | 25 |
Relief Valve | 25 |
Hot Water Odor | 25 |
Anode Rod Inspection | 25 |
Flushing | 25 |
Draining | 25 |
Recommended Procedure For Periodic |
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Removal of Lime Deposits From Tank Type |
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Commercial Water Heaters | 26 |
Tank Cleanout Procedures | |
Ignition Module System | 27 |
System Diagnostics | 27 |
SERVICE | 27 |
Electrical Servicing | 27 |
Sequence of Operation Flow Chart | 28 |
Operational Checklist | 29 |
NOTES | 30 |
Limited Warranty | 31 |
These designs comply with ANSI Z21.10.3 as an automatic circulating or automatic storage tank type water heater.
Heater model having an input of 390,000 Btuh also complies with ANSI Z21.10.3 as an automatic instantaneous type heater.
Detailed installation diagrams are found in this manual. These diagrams will serve to provide the installer with a reference for the materials and methods of piping necessary. It is highly essential that all water, gas piping and wiring be installed as shown on the diagrams.
Particular attention should be given to the installation of thermometers at the locations indicated on the diagrams as these are necessary for checking the proper functioning of the heater.
The heater is designed to operate on natural gas only. If you have obtained this heater for use on
this water heater. Immediately call your supplier to correct the situation.
These heaters may be installed on combustible floors.
In addition to these instructions, the equipment shall be installed in accordance with those installation regulations in force in the local area where the installation is to be made. These shall be carefully followed in all cases. Authorities having jurisdiction should be consulted before installations are made.
The installation must conform to these instructions and the local code authority having jurisdiction. In the absence of local codes, the installation must comply with the current editions of the National Fuel Gas Code, ANSI Z223.1/NFPA 54 and the National Electrical Code, NFPA 70, documents are available from the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269.
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