User manual SAUNIER DUVAL ISOFAST CONDENS F 35 E

[. . . ] INSTRUCTIONS FOR USE 8 9 10 INSTRUCTIONS FOR USE, INSTALLATION AND SERVICING FOR ISOFAST CONDENS F 35 E Important information The instructions consist of three parts, User, Installation and Servicing Instructions, which includes 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. General This combination boiler is able to provide room heating as part of a central heating system, and domestic hot water direct from the cold water supply without the need for secondary storage. The central heating water temperature and domestic hot water temperature can both be adjusted on the boiler. [. . . ] - Do not use copper pipes Important notice : The float of the condensate recovery system also ensures fume tightness. Condensate box with access plugs for cleaning purposes. Electrical connection Electrical components have been tested to meet the equivalent requirements of the BEAB. Connection of the whole electrical system and any heating system controls to the electrical supply must be through a common isolator. Isolation should preferably be by a double pole switched fused spur box having a minimum contact separation of 3mm on each pole. The fused spur box should be readily accessible and preferably adjacent to the boiler. Mains Cable Important: If a replacement supply cable is required it must be purchased from Saunier Duval. · The 630 mA fuse of the PCB must be connected to the neutral. A Ø 22 mm WARNING : This appliance must be earthed. Any fault arising from incorrect wiring cannot be put right under the terms of the Saunier Duval guarantee. NO YES 38 39 INSTALLERS Commissioning on boiler Please ensure the "Benchmark" logbook is completed and left with the user . The commissioning and first firing of the boiler must only be done by a qualified registered person. Make sure that the boiler is connected to the electrical supply and the gas service cock is open. 5 Bleed each radiator to remove the air, re-tighten bleed screws. 6 Leave the cap on the pump auto air vent open. Filling the system 1 to 8 Switch ON (I). Open the isolating taps (t), (u), (v) and (w) on boiler : slot in line with the lenght of the valve 1 2 v u w t Heating return Cold water inlet Heating flow 7 Open various hot water taps to bleed system. Make sure the display indicates a system pressure of between 1 and 2 bar. Re-fill system as necessary. 8 3 Undo cap on automatic air vent on top of pump and leave undone. Fill the system until the pressure indicated on the display is between 1 and 2 bar. Close filling device. 4 1, 5 bar 40 41 INSTALLERS Commissioning on boiler Press the key to operate the boiler without room thermostat. · Allow the temperature to rise to the maximum value, with all radiator valves open. The temperature rise will cause release of the gases contained in the water of the central heating system. · Gases driven towards the boiler will be automatically released through the automatic air vent. · The gases trapped at the highest point of the system must be released by bleeding the radiators. Should there be any doubt about the gas rate it should be checked at the meter. On reaching maximum temperature, the boiler should be turned off and the system drained as rapidly as possible whilst still hot. · Refill system to a pressure of between 1 and 2 bar and vent as before. · Restart boiler and operate until a maximum temperature is reached. [. . . ] Remove the clips securing the flexible tubes to the siphon adapter by twisting the clips slightly to disengage the clip jaws from each other. Lift up and carefully remove the condense trap taking care not to spill any water which may be left in the unit. Remove the siphon adaptor from the flexible tubes, using a suitable container, flush the heat exchanger until the water appears clear in the container. Plate-to-Plate Heat Exchanger For access, refer to section "General". [. . . ]