User manual SAUNIER DUVAL SB 30E

[. . . ] 221872B. 07. 01 Instructions for Use Installation and Servicing To b e l e f t w i t h t h e u s e r 7086 SB30e Fanned Flue System Boiler G. C. 41 920 31 This is a Cat I2H Appliance The instructions consist of three parts, User, Installation and Servicing Instructions, which include the Guarantee Registration Card. The instructions are an integral part of the appliance and must, to comply with the current issue of the Gas Safety (Installation and Use) Regulations, be handed to the user on completion of the installation. Guarantee Registration Thank you for installing a new Saunier Duval appliance in your home. Saunier Duval appliances' are manufactured to the very highest standard so we are pleased to offer our customers' a Comprehensive First Year Guarantee. [. . . ] Check that the maximum burner pressure is 14. 3 mbar +/-0. 2 mbar. Adjust the pressure if required by removing the screw cap and turning the maximum rate adjustment screw on the gas control valve, see diagram 10. 1. 10. 1 System Commissioning Check that the boiler is isolated from the electrical supply, at the external isolator. Take care not to splash any of the electrical components. Fully open the two water isolating valves, levers in line with the length of the valves, see diagram 6. 1. Make sure that the automatic air vent is operating correctly by loosening the cap, ensuring hole is directed away from controls. Refill the system, refer to Section 4. 9 and diagram 4. 3, check the operation of the safety valve, by allowing the water pressure to rise until the valve operates. The valve should open within +/0. 3bar of the 3 bar preset pressure. Where this is not possible carry out a manual check by turning the safety valve knob in the direction of the arrow. Clear any air locks and check the system for water soundness. Release the water pressure to the initial system design pressure. 10. 4 Ignition Rate Set the mains electrical switch "B" to 0, located on the controls fascia, see diagram 2. Disconnect the sensing lead at the connection, see diagram 10. 2. Set the mains electrical switch "B" to 1. The electrode will continue to spark for (10 seconds approx. ) to enable the ignition to be set and checked before going to lockout. Check the ignition rate is set to 6. 0 mbar +/-1. 0 mbar, adjust if required by turning the ignition rate setting potentiometer using the adjustment tool supplied, If this is not achieved before the boiler goes to lockout the process can be repeated as required by pressing the rest button "G", see diagram 2. When set, switch the mains electrical switch "B" to 0. Set mains electrical switch "B" to 1, depress the rest button "G" if required. Isolate the boiler from the electrical supply. Replace plastic plugs, screw cap and adjusting tool. Disconnect the pressure gauge, tighten the burner pressure test point screw . Take care not to splash any of the electrical components. 10. 2 Initial Lighting, testing and Adjustment Check the boiler is Isolated from the electrical supply, at the external isolator. Turn on the gas service cock, slot in line with the length of the cock, see diagram 6. 1. Purge the gas supply and test for soundness. [. . . ] Remove the heat exchanger from its retaining tabs positioned at the rear by easing it forward and up. Replace heat exchanger making sure that it is correctly engaged on the retaining lugs at the back of the combustion chamber, carefully refit the pipe securing clips and front retaining clips. 14. 22 Combustion Chamber Insulation Remove outer case front as section 11. 4. Remove the inner case front as Section 11. 5. Unhook the combustion chamber front, see diagram 8. 2. [. . . ]