Brunner USA Instructions - Robeys Ltd

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The vacuum circuit breaker safety (USA) is used in rooms where aroom sealed combustion and ventilation system can be operatedsimultaneously and shutdown due to an external fault (eg responseto a vacuum monitoring is required to the appliance).The USA is used to monitor a minimum pressure differencebetween the room where the fireplace and the exhaust pipe to ensureadequate combustion air supply and the safe transfer of theflue gases. Falls below a minimum pressure difference in theventilation system (at least the exhaust air fan) will switch the fanoff.The USA can work with all air-ventilated manually fed furnacesaccording to DIN EN 12815, DIN EN 13229 and DIN EN 13240.The design of the stove installation is done without consideration ofthe ventilation system of the Installation room. This ensures thatthe air supply to the combustion process by switching off theventilation is guaranteed by USA.For systems that are monitored by the USA, multiple usage of thechimney is not allowed!Note the maximum temperature stresses (see technical details).This manual, especially the entries in the chapter 'Setting the USA'are from operators preserved and passed on request to the BSMBrunner USA Installation & Operation Manual 6August 2013
MOUNTING OF THE USAImportant note!The USA should be mounted inthe same room as the applianceto be monitored. Location of thefireplace means the place fromwhich the fireplace gets the airrequired for combustion.The pressure gauge linebetween electronics of the USAand heating and exhaust pipemust not be kinked or laid with ahanging loop. The length of thepressure measuring line mustnot exceed 10 m. The function ofthe USA would no longer beguaranteed.Observe installation of the USAin the wall box and ensure thatthe silicone hose is not kinked orcrushed for connecting thepressure gauge line. Thefunction of the USA would nolonger be guaranteed.Brunner USA Installation & Operation Manual 7August 2013
Page 1 and 2: INSTALLATION AND OPERATIONBrunner U
Page 3 and 4: The installation of the USA must fo
Page 5: Brunner USA Installation & Operatio
Page 9 and 10: • If possible do not install the
Page 11 and 12: Connect the pressure gauge lineto t
Page 13 and 14: Ventilation systems, fume hoods, ki
Page 15 and 16: SETTING THE USAThe USA can be a PC
Page 17 and 18: Status indicators:StatusdisplayMean
Page 19 and 20: OPERATIONThe USA offers the possibi
Page 21 and 22: FUNCTION TEST AND MAINTENANCEWhen t
Page 23 and 24: FUSESThe USA has three miniature fu
Page 25 and 26: TECHNICAL DATAThe USA has been test
Page 27 and 28: Brunner USA Installation & Operatio

Brunner USA Instructions - Robeys Ltd

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