Brunner USA Instructions - Robeys Ltd

• If possible do not install the USA in an external wall, to avoiddew point corrosion to the electronics.• Do not install the USA in the heated tile cladding.• The mounting shall be such that does not exceed +50 ° C and+10 ° C are not exceeded and the device is not exposed to directheat radiation.• The degree of protection IP 40 is ensured.StructureThe electronics of the USA should (observe permissible ambienttemperatures!) be near the hearth place.An ideal position is slightly above the exhaust sensor port, becauseyou can then ensures that any condensate in the pressure gaugeline runs back to the exhaust gas sensor connection (see alsoFigure: Laying the pressure gauge line).The exhaust gas sensor circuit is to be mounted at a locationwhere the ambient temperature of 180 ° C and the coretemperature of the flue gas does not exceed 500 ° C.This is usually guaranteed in the flue gas at a distance between 70cm and 150 cm from the hearth. Of the pressure measuring pointof the fireplace must not exceed 150 cm. They can be connectedto pipes with diameters from 150 mm to 250 mm.Brunner USA Installation & Operation Manual 9August 2013