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Hand these instructions to customer. Failure to install this appliance in accordance with these installation instructions may void warranty In the interest of continued product improvement, Bosch reserves the right to alter these specifications without notice BISN0047.0 26/06/2007 Page 1...
Installation Install only on an external wall, as close as possible to the most frequently used hot tap. Use a heat shield (accessory item part number 9 708 061 400) if the unit is to be installed on a combustible surface. Allow minimum air gap of 10 mm between the flue and the heat shield, (refer figure 2).
Characteristic Data Pilot orifice diameter (mm) 0.30 0.19 0.56 0.56 Burner injector diameter (mm) 1.20 0.75 2.15 2.15 Burner pressure ( kPa ) 0.87 2.60 0.40 0.40 Water flow selector at left hand stop. Maximum water flow 10 litres / minute Temperature rise 25°...
Operating instructions Open all hot water taps to expel any air prior to lighting Remove front cover by loosening the two screws at the lower rear corners of the cabinet. Check that gas and water valves are open, operate as indicated in Fig. 3 Refit front cover and tighten screws Fig.
Commissioning Natural Gas Inlet Pressure Adjustment With the gas supply turned off, remove sealing screw from inlet pressure test point located on the right hand side of the gas section refer Fig. 4 pos.A, attach manometer. Turn on gas and light heater.
Fault Finding. Problem Possible Cause Solution Appliance does not light No gas supply Connect to supply Blocked pilot Replace pilot injector Pilot lights but no main burner Split/Distorted diaphragm Replace Smell of gas Luminous flame Clean burner Loose gas connection Locate leak with soap solution Yellow flame Burner venturi blocked...
The warranty period commences from the purchase date. Claims for warranty will only be accepted upon suitable proof of purchase submitted to Robert Bosch (Australia) Pty. Ltd. or an approved Bosch Service Agent authorised to carry out warranty repairs.