Installation InstructionTable of ContentsPART 1 – GENERAL SAFETY INFORMATION5A. PRECAUTIONS5B. IMPROPER COMBUSTION6C. GAS6D. WHEN SERVICING THE HEATER6E. HEATER WATER6PART 2 – BEFORE YOU START7A. WHAT’S IN THE BOX7B. HOW THE HEATER OPERATES7C. OPTIONAL EQUIPMENT8PART 3 – PREPARE WATER HEATER LOCATION8A. BEFORE LOCATING THE HEATER9B. LEVELING9C. CLEARANCES FOR SERVICE ACCESS10D. RESIDENTIAL GARAGE INSTALLATION10E. EXHAUST VENT AND INTAKE PIPE101. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE112. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE11F. PREVENT COMBUSTION AIR CONTAMINATION11G. REMOVING A HEATER FROM A COMMON VENT SYSTEM12H. WATER CHEMISTRY13PART 4 – HEATER PIPING16A. GENERAL PIPING INFORMATION16B. SCALDING17C. TEMPERATURE AND PRESSURE RELIEF VALVE17D. BACKFLOW PREVENTER17E. POTABLE EXPANSION TANK17F. WATER PIPING18G. AUXILIARY CONNECTIONS18H. PIPING DIAGRAMS19PART 5 – VENTING, COMBUSTION AIR AND CONDENSATE REMOVAL27A. GENERAL27B. APPROVED MATERIALS FOR EXHAUST VENT AND INTAKE PIPE28C. REQUIREMENTS FOR INSTALLATION IN CANADA28D. EXHAUST VENT AND INTAKE PIPE LOCATION29E. EXHAUST VENT AND INTAKE PIPE SIZING30F. LONGER VENT RUNS30G. EXHAUST VENT AND INTAKE PIPE INSTALLATION31H. VENTING DRAWINGS321. DIRECT VENT INSTALLATION OF EXHAUST VENT AND INTAKE PIPE322. VENTING THROUGH AN EXISTING SYSTEM353. INDOOR COMBUSTION AIR INSTALLATION IN CONFINED OR UNCONFINED SPACE37I. CONDENSATE REMOVAL SYSTEM39PART 6 – WIRING39A. LINE VOLTAGE INPUT39B. LINE VOLTAGE CONDENSATE OUTPUT40C. LOW VOLTAGE OUTDOOR SENSOR INPUT40D. INTERNAL WIRING DIAGRAM41PART 7 – GAS CONNECTIONS43A. GAS PIPING43B. GAS TABLE43C. GAS VALVE44PART 8 – START-UP PROCEDURE45A. OPERATING INSTRUCTIONS45B. OVERALL WATER HEATER AND CONTROL OPERATION45C. STATUS MENU45D. OUTDOOR RESET46E. TEST MODE47F. MAINTENANCE47PART 9 – SHUTDOWN48A. SHUTDOWN PROCEDURE48B. VACATION PROCEDURE48C. FAILURE TO OPERATE48PART 10 – TROUBLESHOOTING48A. ERROR CODE48B. HEATER ERROR48C. LOCKOUT48PART 11 - MAINTENANCE53MAINTENANCE NOTES56CUSTOMER INSTALLATION RECORD FORM57Gas Fired Commercial Water Heater Limited Warranty58Size: 5.69 MBPages: 59Language: EnglishOpen manual