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Manual de usuario Bosch, modelo WR430-7K

Fabricar: Bosch
Tamaño del archivo: 1.76 mb
Nombre del archivo: WR430-7KME.pdf
Idioma del manual:enfr
Enlace gratuito para este manual disponible en la parte inferior de la página



Resumen del manual


All Bosch instantaneous water heaters heat water only as required; no energy is lost maintaining a large volume of water at elevated temperatures as in tank-type storage water heaters. Suitable for heating potable water only. Not approved for space heating purposes. POWER VENTED - ELECTRONIC IGNITION ASTRAVAN DISTRIBUTORS, LTD. 123 Charles Street North Vancouver, B.C. V7H 1S1 Phone Canada: (604) 929-5488 Phone USA: (206) 860-8448 Web Site: www astravan.com Note: In case of problems please contact your salesman or installer NOTICE TO INSTALLER: Please leave this manual with the owner or affix adjacent to appliance. Instantaneous gas water heater WARNING: If the information in this manual is not followed exactly, a fire or explosion may result causing property damge, personal injury or death. - Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other applicance - 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. - Installation and service must be performed by a qualified installer, service agency or the gas supplier. READ INSTRUCTIONS CAREFULLY BEFORE INSTALLING BOSCH WR430-7K Principle of Operation: When a hot water faucet is opened, the flow of water through the heater causes the gas valve to open. At the same time a microswitch is activated which sends a spark to the pilot. The flame sensor confirms that the pilot has been lighted and allows burners to ignite. The pilot goes out. The power exhaust system runs as long as the burners are on. The heat exchanger coils absorb the heat generated by the burners and transfer heat to the water. When the hot water faucet is shut off, the gas valve automatically closes and the burners turn off, followed immediately by the exhaust system. Your hot water faucet is an ignition key to turn on the water heater, giving you control over your hot water energy use. Every time you turn off your hot water faucet, the energy consumption for hot water returns to zero. FEATURES -Power Venting with safety shutoff -Electronic Pilot Ignition -On/Off switch to activate system -High Quality Materials for Long Working Life. -Copper heating coils for endless supply of hot water. -Burner output proportional to hot water flow demand for maximum energy efficiency. -Safety flame sensor at pilot burner. -Automatic over heating protection shut-off sensor. -Stainless steel burners with stabilized blue flame. -Built-in corrosion resistant power venter. -Compact space saver: mounts on a wall with two hooks. -Easily removable one-piece cover. -Easy one person installation. -Adjustable water flow restrictor ensure that water flow demand will not exceed the heating capacity of the heater. UNPACKING THE BOSCH WR430-7K HEATER NAT. GAS PROPANE Gas Input max. min. 130 000 Btu/hr 125 000 Btu/hr 28 000 Btu/hr 28 000 Btu/hr Water Connection 1/2” Thread fitting H x W x D 29 3/4” x 18 1/4” x 8 3/4” Vent 4” (Category III Gas Appliance) Max. lineal vent pipe length 15" (4.5m) Gas Connection 1/2” NPT thread Minimum recommended house supply pressure 40 Psi Warm position minimum water pressure 18 psi (no fittings) Hot position minimum water pressure13 psi (no fittings) Max. Water Pressure 150 Psi Shipping Weight 55 Lbs Net Weight 44 LB 2.5 GPM at 90° rise (32°C) (9.5 l) 5.0 GPM at 45° rise (16°C) (19.5 l) Min. Water Flow 1/2 gal/min 120V/60Hz 1.2 Amps LP GAS Supply Pressure inlet. min. 11”W.C.* LP GAS regulator outlet pressure 9.9”W.C.* Natural Gas Pressure inlet min.: 7”W.C.* Natural Gas Regulator Pressure 5.38 W.C.** * Inlet gas pressure must not exceed this value ** For purposes of input adjustment ELECTRICAL 3 ft. ( 0.9 m) power cable supplied c/w CSA 3 prong plug. This heater is packed securely. The box includes two water connection fittings, a control knob, a gas pressure regulator, a pressure relief valve, an incandescent particle tray, two hooks for hanging the heater, this manual. Do not lose this manual as there is a charge for replacement. 6 720 606 599 6 720 606 599 3 DIMENSIONS Figure 1 Maximum Hydrostatic water pressure - 1.03 MPa (150 p.s.i.) Maximum recommended working pressure - 0.69 MPa (100 p.s.i.) Minimum working pressure - 0.09 MPa (13 p.s.i.) no piping attached Reccomended pressure for showers and domestic, 0.27 MPa (40 p.s.i.) • The high altitude ratings listed are Canadian Gas Association high altitude ratings and are valid only in Canada. In the U.S., the National Fuel Gas Code, ANSI Z223.1-1988, recommends for high altitude installations above 2,000 feet, that the input rate be reduced 4% for each 1,000 feet above sea level. - See page 15. EXTERIOR TERMINATION Model Type of Gas Altitude Input Size, mm Qt. natural gas 130 000 Btu/hr (38 kW) 1.20 diam. 18 propane/LP 125 000 Btu/hr (36.6 ...


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