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23 Customised cassette inserts Key parameters for the fl ue and chimney calculation According to DIN 4705 Part 1 and Part 2 or EN 13384 for nominal heat output according to Section 7, Part 1: Customised fi replace cassettes Illustrations on pages 12-21 E F G B C D I K L H J A N 16 27 O LINEAR XS 500 Customised fi replace cassette ‘small’ up to 700 mm wide Technical information Customised fi replace cassette ‘large’ 700 mm or wider Fireplace doors closed Unit Wood logs Brown coal briquettes Wood logs Brown coal briquettes Flue gas fl ow rate g/s 4.68 5.59 7.24 7.99 Average fl ue gas temperature ° C 269 272 268 271 Minimum draught mbar 0.12 0.12 0.12 0.12 Nominal heat output kW 6.0 6.0 8.0 8.0 Heat output range kW 4.2 – 7.8 4.2 – 7.8 5.6 – 10.4 4.2 – 7.8 Feed rate kg/h 1.9 1.5 2.6 2.0 Heating capacity The heating capacity is dependent on the volume and type of fuel wood used. Heating conditions 8 kW suffi cient for 6 kW suffi cient for Favourable 160 m2 120 m2 Less favourable 105 m2 80 m2 Unfavourable 80 m2 60 m2 Source: Handbook of Heating and Air Conditioning Technology Recknagel/Sprenger The values stated serve only for guidance. A specifi c heating load investigation must be completed according to TR-OL or carried out according to DIN EN 12831 (if applicable or according to the local regulation). The room heat capacity in relation to the nominal output can be infl uenced by the wood feed quantity, +/- 30 %. SPARTH ERM-QUALITY Subject to technical modifi cations. Room heating capacity The nominal heat output is dependent on the heating conditions:


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