Bosch 660 EF Spezifikationen

Installation must conform with local codes, or in the absence of local codes, the National Fuel Gas Code, ANSI Z223.1/NFPA 54.When applicable, install

6 720 644 06310Appliance details2.4 Dimensions (660 EF)Fig. 4 Dimensions2.5 Dimensions (660 EFO)Fig. 5 Dimensions

6 720 644 063Installation instructions113 Installation instructions3.1 Specialized toolsThe following specialized tools may be required for installati

6 720 644 06312Installation instructionsHorizontal Vent TerminationFig. 6• Terminate at least 12" (300mm) above grade or above snow line.• Termin

6 720 644 063Installation instructions13Clearance Requirements from Vent Terminations to Building Openings*All clearance requirements are in accordanc

6 720 644 06314Installation instructions3.3.2 Clearance Requirements from Vent Termi-nations to Building OpeningsAll clearance requirements are in acc

6 720 644 063Installation instructions153.4 Combustion air requirementsCombustion AirSupply combustion air to the units as per the National Fuel Gas C

6 720 644 06316Installation instructionsAttention residents of the Commonwealth of Massachusetts:In the Commonwealth of Massachusetts the followingreg

6 720 644 063Installation instructions173.5 Choosing Installation SiteLocate the appliance in an area where leakage from theunit or connections will n

6 720 644 06318Installation instructionsFor Venting Manufacturers Requirements, see websites or phone numbers listed below:Bosch Vent System

6 720 644 063Installation instructions19For 660 EFORequired Clearances From Heater• Maintain the following clearance from both combus-tible and non-co

6 720 644 0632IndexIndex1 Important Safety Information 32 Appliance details 72.1 Features 72.2 Specifications (Technical data) 82.3 Before Installa

6 720 644 06320Installation instructions3.7.2 Locating Scew Holes1. Drill a single screw hole, making sure to hit a stud.2. Insert and tighten the scr

6 720 644 063Installation instructions213.8 Gas piping The appliance and its individual shutoff valve must be disconnected from the gas supply piping

6 720 644 06322Installation instructionsMeasuring Gas Pressure• In order to check the gas supply pressure to the unit, a tap is provided on the gas in

6 720 644 063Installation instructions23Gas Line Sizing For a BOSCH Gas Water Heater

6 720 644 06324Installation instructions3.9 Water piping Installation and service must be performed by a quali-fied plumber. In the Commonwealth of M

6 720 644 063Installation instructions25Supply water piping• Do not use PVC, iron, or any piping which has been treated with chromates, boiler seal or

6 720 644 06326Installation instructionsComercial Use Treatment GuidelinesType of WaterHardness LevelTreatment DeviceFlush Frequency 1)1) Install Bosc

6 720 644 063Installation instructions273.11 Plumbing ApplicationsRefer to section 11 for Limited Warranty.Fig. 25Fig. 26

6 720 644 06328Electrical Wiring4 Electrical Wiring4.1 Electrical wiring• The electrical supply required by the water heater is120VAC at 60 Hz. The po

6 720 644 063Electrical Wiring294.2 Remote ControllerApplicable Model• The 660 EF can be programmed so that it will default to one of three temperatur

6 720 644 063Important Safety Information31 Important Safety InformationTo prevent damage to property and injury to the user, the icons shown below wi

6 720 644 06330Electrical Wiring• Be sure to hand tighten when screwing to the termi-nal block. Power tools may cause damage to the ter-minal block.Re

6 720 644 063Electrical Wiring31Fig. 313. Remove the cover of the remote control, mark the location of the screw holes, and drill holes for the wall a

6 720 644 06332Electrical WiringFig. 36Tie the redundant length of the remote controller cord outside the junction box.7. Close the junction box.

6 720 644 063Operation instructions335 Operation instructions5.1 Trial OperationPreparation1. Open a hot water fixture to confirm that water is avail-

6 720 644 06334Operation instructions3. Open the gas supply valve.Fig. 39 closed and open on valves 4. Turn on the power.5.3 How to Use (Not using th

6 720 644 063Operation instructions355.4 How to Use (Using the remote controller)Setting and Using the Water HeaterFig. 401 Burner On Indicator2 Prior

6 720 644 06336Operation instructions2. Set temperatureAlways check the temperature setting before use.Check the indicator lights.3. Turn ON hot water

6 720 644 063Maintenance and service376 Maintenance and service• The venting system must be examined periodically by a qualified service technician to

6 720 644 06338Maintenance and serviceFig. 415. Clean the water drain valve (with water filter) with a brush under running water.6. Replace the water

6 720 644 063Maintenance and service394. When the water is flowing again, check for water leaks from the equipment and piping before using.If the heat

6 720 644 0634Important Safety InformationFig. 2Danger: [660 EF] - do not install outdoors!Do not use the water heater if the ex-haust pipe is displac

6 720 644 06340Troubleshooting7 Troubleshooting7.1 Initial Operation7.2 TemperatureUnit does not attempt to ignite when water is running.Check for rev

6 720 644 063Troubleshooting417.3 Amount of Hot WaterThe water is not hot enough. Is the gas supply valve fully open?(Using the remote controller)Is t

6 720 644 06342Troubleshooting7.4 Remote Controller7.5 SoundsThe light on the power button does not come on.Has there been a power failure?Is the powe

6 720 644 063Troubleshooting437.6 OthersThe heater stops burning during operation. Are the gas and water supply valves fully open?Is the water supply

6 720 644 06344Troubleshooting7.7 Check for an Error Code (Using the remote controller)Error displays on the remote controllerIf there is a problem wi

6 720 644 063Follow- up Service458 Follow- up Service8.1 Requesting ServiceFirst follow the instructions in the troubleshooting sec-tion. If the error

6 720 644 06346Interior components diagram9 Interior components diagram 9.1 660 EF Interior componentsFig. 45 Components

6 720 644 063Interior components diagram479.2 660 EFO Interior componentsFig. 46 Components

6 720 644 06348Protecting the environment10 Protecting the environment PackingThe packing box may be fully recycled as confirmed bythe recycling symbo

6 720 644 063Limited Warranty4911 Limited WarrantyGeneralBOSCH PRO tankless water heaters are warranted bythe Manufacturer (BOSCH) through BoschThermo

6 720 644 063Important Safety Information5Warning: Explosion Hazard!If the temperature and pressure relief valve is dripping or leaking, have a qual-i

6 720 644 06350Limited Warranty

6 720 644 063Limited Warranty51

Replacement Parts available from:Bosch Termotecnologia SAEstrada de Cacia3801 - 856 Aveiro - PORTUGAL© 2010 Bosch Thermotechnology Corp.,Londonderry,

6 720 644 0636Important Safety InformationWarning: Contact Bosch before using with a so-lar pre-heater.Warning: California Proposition 65 lists chemic

6 720 644 063Appliance details72 Appliance details2.1 FeaturesParts included with the unit• Tapping Screw • Installation Manual/user manual with warra

6 720 644 0638Appliance details2.2 Specifications (Technical data)Approved in US/CanadaCapacityMaximum flow rate: 5.3 GPM (20 l/min) at a 45°F(25°C) r

6 720 644 063Appliance details92.3 Before InstallationFig. 3 Ex. For LP Gas 660 EFODanger: Checkup!Check the fixing brackets and vent pipe yearly for