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Anleitung Zusammenfassung
To do so may result in an explosion or fire. WARNING: Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Refer to this manual. Installation and service must be performed by a qualified installer, service agency or the gas supplier. FOR YOUR SAFETY WHAT TO DO IF YOU SMELL GAS *Do not try to light any appliance. *Do not touch any electrical switch; do not use any phone in your building. *Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions. *If you cannot reach your gas supplier, call the fire department. This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future reference. P/N 241075 Rev. 1 TABLE OF CONTENTS RECEIVING EQUIPMENT ........................................ 3 MODEL IDENTIFICATION ........................... 3 GENERAL SPECIFICATIONS ....................... 3 GENERAL SAFETY PRECAUTIONS .............. 4 INSTALLATION INSTRUCTIONS .............................. 5 CLEARANCES .......................................... 6 SPECIFICATIONS AND DIMENSIONS ........... 7 OUTDOOR INSTALLATIONS ....................... 10 HIGH WIND CONDITIONS ........................... 10 COMBUSTION AIR .................................... 10 VENTING ................................................. 11 VENT PIPING............................................ 14 VENT DAMPER INSTALLATION ................... 15 PLUMBING ........................................................... 17 GAS SUPPLY CONNECTIONS ..................... 17 GAS PRESSURE REGULATOR .................... 18 VENTING OF DIAPHRAGM GAS COMPONENTS ......................................... 18 FLOW RATES ........................................... 19 UNITEMP 80 SPECIFICATIONS ................... 20 PIPING DIAGRAMS ................................................ 21 TYPE WH UNITEMP 80 ............................... 21 TYPE NH INSTANTANEOUS........................ 22 TYPE NH DUAL MODELS............................ 23 CONTROLS........................................................... 24 RELIEF VALVE .......................................... 24 ECONOMASTER CONTROL ........................ 24 ELECTRONIC IGNITION ............................. 24 OPERATING CONTROLS ............................ 24 LIMIT CONTROLS .................................................. 25 HIGH LIMIT............................................... 25 FLOW SWITCH ......................................... 25 100% PILOT SAFETY ................................. 25 LOW WATER CUT-OFF .............................. 25 HIGH AND LOW GAS PRESSURE SWITCHES 25 COMPONENT IDENTIFICATION ............................... 26 ELECTRICAL CONNECTIONS .................................. 27 LOCATION OF CONTROLS ..................................... 28 START-UP PROCEDURES ...................................... 30 GENERAL ................................................ 30 PUMP AND MOTOR ................................... 30 GENERAL SAFETY PRECAUTIONS .............. 31 LIGHTING INSTRUCTIONS ......................... 32 AFTER START-UP ..................................... 33 INSPECTION PROCEDURES ................................... 33 BURNERS ................................................ 33 CONTROLS .............................................. 33 INSPECTION PROCEDURES....................... 34 ADDENDA: LOW NOx HEATERS 181-401 .................. 35 TROUBLESHOOTING ELECTRICAL ......................... 37 WIRING DIAGRAMS ............................................... 38 WH2 - 182-260 .......................................... 38 WH2 - 330-400 .......................................... 39 WH2 - 514-624 .......................................... 40 WH2 - 724-1336 ......................................... 41 WH2 - 1414-1826 ....................................... 42 WH2 - 2100-2500 ....................................... 43 WH2 - 3001-4001 ....................................... 44 WH1 - 181-261 LOW NOx ............................ 45 WH1 - 331-401 LOW NOx ............................ 46 TROUBLESHOOTING MECHANICAL ........................ 47 TROUBLESHOOTING PUMPS .................................. 48 SERVICE AND MAINTENANCE PROCEDURES ........... 48 TUBE CLEANING ...................................... 48 BURNER TRAY REMOVAL .......................... 49 GAS VALVE REMOVAL............................... 49 MAIN BURNER AND ORIFICE REMOVAL ...... 49 PILOT REMOVAL AND CLEANING................ 49 HIGH LIMIT OR TANKSTAT REMOVAL .......... 49 HEAT EXHANGER REMOVAL ...................... 49 COMBUSTION CHAMBER REMOVAL ........... 50 CONTROL WELL REPLACEMENT ................ 50 TUBE REPLACEMENT ............................... 50 CLEANING FLUE GAS PASSAGEWAYS ........ 51 REPLACEMENT PARTS .......................................... 51 WARRANTY .......................................................... 52 2 RECEIVING EQUIPMENT On receipt of the equipment, visually ...