Bosch 940 ESO Installation Manual

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6 720 644 956Installation requirements93 Installation requirements3.1 Specialized toolsThe following specialized tools may be required forinstallation:• Manometer• Multi-meter• Combustion Gas Analyzer.3.2 IntroductionPlease follow these instructions. Failure to followinstructions may result in:B Damage or injury.B Improper operation.B Loss of warranty.If you are unable to perform the tasks required to installthis heater properly, please contact a locally licensedplumber or gas technician.3.3 Proper location for installing yourheaterCarefully select the location of the water heater. Foryour safety and for proper heater operation, follow theguidelines below:B 1. Locate the heater where gas and plumbingconnections are feasible and convenient.B 2. The hot water lines should be kept short andinsulated to save energy. Centrally locating the waterheater is recommended to keep hot waterdistribution times even throughout the structure.Warning: The water in this waterheater is cold and always remains coldexcept for the times the burner is on. Inthe event of power outage inconjunction with freezing temperatures,it is recommended that the heater bedrained.See chapter 9.2, page 32 “Winterizing”for draining instructions.Warning: Flammable materials,gasoline, pressurized containers, or anyother items or articles that are potentialfire hazards must NOT be placed on oradjacent to the heater. The appliancearea must be kept free of allcombustible materials, gasoline andother flammable vapors and liquids.