Logano plus SB315, SB615, SB745 - Buderus

Technical description3Boiler size Unit 145 185230 1)/ 240 310 400 510 640Flue gas mass flow ratewith Logatop VM(at systemtemperature 80/60 °C)Full load kg/s 0.0633 0.0808 0.101 0.135 – – –Partialloadkg/s 0.0220 0.0283 0.0352 0.0474 – – –Water capacity (approx.) l 560 555 675 645 680 865 845Gas content l 327 333 347 376 541 735 750Available draught Pa depends on burner (50) 3)4)Pressure drop on the hotgas sidembar 1.20 1.55 2.20 2.40 3.00 3.55 4.40Permissible flowtemperature 5) °C 110Permitted operatingpressureTypeapproval numberbar 4 4 5 5 5.5 5.5 5.5– 06-223-708Product ID no. – CE-0085 AT 0075Table 7Specification for the Logano plus SB615 and SB615 VM floor standing condensing boilers(dimensions page 17 f.)1) In conjunction with Logatop VM2) Calculated flue gas temperature for cross-sectional calculation to DIN EN 13384 (average value across the series).The actual flue gas temperature may differ from this, subject to burner setting and actual system temperature.3) Figure in brackets is the recommended draught.4) For Logano plus SB615 with third-party burner.5) Safety limit (high limit safety cut-out - STB); maximum possible flow temperature = safety limit (STB) – 18 KExample: safety limit (STB) = 100 °C; maximum possible flow temperature = 100 – 18 = 82 °CTechnical guide Floor standing gas/oil condensing boilers Logano plus SB315, SB615, SB745 – 6 720 802 589 (2012/01) 23