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Fabricar: Bradford-White Corp Tamaño del archivo: 315.7 kb Nombre del archivo: Idioma del manual:

If the pilot fails to ignite within 25 seconds the controls will go to lock out and the reset button will need to be reset (wait 15 seconds before attempting reset). It may be necessary to repeat the lighting sequence a number of times on the initial light up if all the air has not been purged from the gas supply; 7. The main burner pressure has been factory set but should be checked once normal operation is established (see ‘Ratings’ for settings); 8. Set the temperature regulator to the required setting (see ‘Descalcification’). 3.1.3 Use The appliance is under water supply pressure (maximum 8 bar). The amount of cold water that is added is equal to the amount of hot water used. The gas control block automatically regulates the gas supply. The main burner will ignite as soon as a reduction in water temperature is sended by the thermostat. The main burner will shut down as soon as the preset temperature is achieved. At high water temperatures there is more scale buildup in the appliance. It is for this reason that it is recommended to place the temperature control knob in position of 60 °C as the accumulation of scale will be reduced. 3.2 Fault overview Failure Possible Cause Corrective Action Gas smell If you smell gas you should immediately close the main gas tap, you should not fight any fire or switch on light. electrical switches or bels. Open windows and immediately contact your installer or the local gas company Heater is off or does not ignit Burner automat is in lock conditionReset burner automat with the RESET button on the top of the collumn Blocked chimney Contact your installer to investigate the cause and rectify it Overheat thermostat is engaged Check control thermostat set at 60 °C. Allow the water to cooldown (open taps). Puts the RESET button at the panel. The heater should now operate. If it does not contact your installer. Gas supply shut off Open the inlet gas valve Insufficient hot water, or none at all Temperature set too low Set water temperature to higher valvue (60 °C recommended) Thermal Reflux Safeguard has shut down the heater After resetting the TRS activate the heater. If this occurs regularly, call your installer Overheat thermostat is engaged Allow the water to cool down (opentaps). Puth the RESET button at the panel. Supply of hot water exhausted Reduce hot water use. Give the heater time to heat the water Unindentifiable cause Switch off the elactricity to the heater, close the inlet gas valve and call your installer Explosive ignition Wrong inlet gas pressure and/or burner pressure Set the correct inlet pressure and/or burner pressure Dirty injectors Clean injectors Poor flame imageWrong inlet pressure and/or burner pressure Set the correct inlet pressure and/or burnerpressure Water leakage Condensation of (flue) gasses See chapter “Condensation” Leakage from other water heater or pipes in the vicinity If possible trace the cause and/or call your installer 4. WARRANTY The following conditions form the guarantee agreement between A.O. Smith Water Products Company (the warrantor) and the owner of the water heater. 4.1 Guarantee in general If within one year of the original installation date of the water heater any part or component other than the tank shall prove upon examination by the warrantor or authorised agent to be defective in material or workmanship, the warrantor will exchange such part or component. 4.2 Guarantee of the tank If within 3 years of the original installation date, the tank fails due to rust or corrosion from the water side, the warrantor will supply a complete new water heater of equivalent size and duty (excluding delivery and installation charges). On the replacement water heater a guarantee will be granted sufficient to cover the ubexpired portion of the original 3 years guarantee of the originally installed water heater. 4.3 Conditions for installation and use The guarantee applies to the heater only while it remains in its original location, and is installed in accordance with local plumbing and building regulations and all relevant Codes of Practice. The water heater should alse have been used only: a) for potable water free to circulate at all times and with the tank free of damaging scale deposits; b) at temperatures not exceeding the maximum setting of its thermostat and ECO (Energy Cut Off device); c) At water pressures and/or energy inputs which do not exceed those stated on the rating plate of the wa ter heater; d) in a non corrosive atmosphere or area; e) with an approved temperature and pressure relief valve of adequate capacity not exceeding the working pressure rating shown on the water heater, and installed in conformity with A.O. SMITH Water Products Companies installation instructions; f) when anode(s) have been inspected and renewed, if they are worn or erroded by 50% or more at any point of their length. 4.4 Exclusions The guarantee will be null and void: a) if the water heater has been damaged by an external cause; b) in case o...

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