User manual SAUNIER DUVAL THEMA F SB 23 E

[. . . ] Heating and hot water for the professionals Installation and Servicing Instructions THEMA F THIS IS A CAT II2H3+ APPLIANCE IN WARRANTY TECHNICAL HELPLINE 01773 828400 01773 828100 1 INSTALLATION AND SERVICING INSTRUCTIONS THEMA F 23 E - THEMA F SB 18 E - THEMA F SB 23 E Note!The boiler serial number is marked on the label attached to the inside of the boiler. Refer to the 'Introduction' section page 3 for a description of the basic functions of the boiler. To safely operate the boiler, refer to the Users Instructions. INSTALLATION SECTION Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] PCB Settings The PCB on the Thema F 23 E can be set to operate in different ways to suit individual installations. The dip switch SW1, see diagram 27, should be set as follows: 1 - OFF 2 - ON 3 - OFF 4 - OFF 5 - OFF 6 - OFF Diagram. 26 SW1 ON DIP 123456 CHANGING GAS TYPE Should it become necessary to change the gas type, a modification kit will be required. This modification must only be carried out by a suitably qualified engineer. Conversion: Natural Gas (G20) to G30/G31 Part No. 86161 17 Reg 013 ROUTINE CLEANING AND INSPECTION To ensure the continued efficient and safe operation of the boiler it is recommended that it is checked and serviced at regular intervals. The frequency of servicing will depend upon the particular installation conditions and usage, but in general once a year should be enough. It is the law that any servicing is carried out by a competent person. · Operate boiler and check for any faults that need to be put right. · Isolate boiler from the gas and electrical supplies. · On completion check all gas carrying parts for soundness with leak detection fluid. · The maximum domestic hot water flow rate is 12 litres/minute. · Remove boiler casing as follows: Upper front panel · Hinge down control cover to gain access to control panel. · Disengage the two 'quarter turn' fasteners by turning the heads of the screws a quarter of a turn towards the centre of the boiler. · Carefully lower the panel down on its hinge until it is horizontal. · Turn both plastic catches to release upper front panel. · Remove upper front panel by pulling forward at the bottom and lifting off. Note: The upper front panel is retained by a plastic safety strap, disengage this before removal. Side panels · From below boiler, unscrew and remove black plastic screws securing side panels to the boiler. · Prise out black plastic inserts and lift panel off boiler. Combustion chamber · Loosen two wing nuts on combustion chamber cover. · Disengage retaining lugs from holes in either side of combustion chamber and move rods away to clear combustion chamber sides, see diagram 28. [. . . ] Overheat thermostat on RHS of heat exchanger has not tripped reset if necessary. earth continuity, resistance to earth, short circuit and polarity with a suitable meter. Note : these must be repeated after any servicing or fault finding. Ensure that all external controls are correctly wired and calling for heat. [. . . ]