Logano plus SB315, SB615, SB745 - Buderus

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9 Installation9.2 Design of installation rooms9.2.1 Combustion air supplyInstallation rooms and gas/oil boiler installations shouldmeet the conditions specified by the relevant national,regional or local regulations and must comply with therelevant Fire Regulations.For open flue combustion equipment with a total ratedheating output in excess of 50 kW, the combustion airsupply is deemed to be ensured if an aperture to theoutside with a clear opening of at least 150 cm 2 (plus2cm 2 for every kilowatt above 50 kW rated heatingoutput) is provided. The required cross-section may besplit over a maximum of two lines and must be sized toprovide the equivalent air flow rate.Fundamental requirements• Combustion air vents and lines must never be closedor covered if appropriate safety equipment cannotensure that the combustion equipment can onlyoperate when the flow cross-section is free.• The required cross-section must not be restricted by aclosure or grille.• An adequate supply of combustion air can also beverified by other means.• Special requirements must be followed for LPGcombustion equipment.9.2.2 Siting combustion equipmentGas combustion equipment with a total rated heatingoutput in excess of 100 kW may only be installed inrooms:• that are not used for any other purpose• that have no opening towards other rooms,except doors• the doors of which are tight and self-closing or• that can be ventilated.Burners and fuel supply devices to the combustionequipment must be able to be shut down at any time by aswitch (emergency stop switch) located outside theinstallation room. A sign reading “EMERGENCY STOPSWITCH-COMBUSTION” must be placed next to theemergency stop switch.Notwithstanding these rules, combustion equipmentmay also be installed in other rooms, if:• the use of these rooms makes this necessary and thecombustion equipment can be operated safely or• the rooms are in freestanding buildings that only serveto operate the combustion equipment and store thefuel.Open flue combustion equipment must not be installed:• in stairwells, except in residential buildings with nomore than two apartments• in generally accessible hallways that serve as escaperoutes or• in garages.Rooms with systems that extract airOpen flue combustion equipment may only be installed inrooms equipped with systems that extract air subject tothe following conditions:• simultaneous operation of the combustion equipmentand the air extractor systems will be prevented bysafety equipment• the flue gas routing will be monitored by appropriatesafety equipment or• flue gas will be routed via the air extractor systems orit will be ensured that such systems cannot createdangerous negative pressure.Thermally activated shut-off deviceGas combustion equipment in rooms or the fuel linedirectly upstream of such equipment must be fitted witha thermally activated gas shut-off device (TAE)( page 90).76Technical guide Floor standing gas/oil condensing boilers Logano plus SB315, SB615, SB745 – 6 720 802 589 (2012/01)
Installation99.3 Installed dimensionsTo ensure condensate drainage, brick or cast concreteboiler foundations should be 5 cm to 10 cm high andcorrespond to the boiler dimensions, and should not reachthe side walls of the installation room to prevent vibrationsbeing transmitted through such contact. Allow extra spacefor measures to provide sound insulation ( page 84 ff.).Select greater wall clearances to enable easy access forinstallation, maintenance and service work.Combustion equipment and flues (for flue gastemperature up to 160 °C) must be positioned far enoughaway or shielded from combustible components andfitted furniture that temperatures in excess of 85 °C aresafely prevented at the rated heating output. Maintain thespecified minimum dimensions.9.3.1 Installation dimensions of the Logano plus SB315 floor standing condensing boilers820 1) A 1820 1) A 1400(100)1157 1)400(100)1494 1)200(0)1200 2)(700) 2) 6 720 642 881-29.1ilA 2700(400)L BRBoiler size Clearance A 1 Clearance A 26 720 642 881-30.1ilFig. 46 Installation dimensions of the Logano plus SB315Fig. 45 Installation dimensions of the Logano plus SB3152) Dimensions also subject to the burner length L BR1)Handling dimensions are smaller ( tab. 35 on page 75)floor standing condensing boilers (dim. in mm;figures in brackets are minimum clearances)VM floor standing condensing boilers (dim.in mm; figures in brackets are minimum1) Handling dimensions are smaller ( tab. 35 on page 75)clearances)[mm][mm]50 700 (400) 950 (550)70 700 (400) 1050 (750)90–115 760 (460) 1300 (900)Table 38 Recommended wall clearances for sitingLogano plus SB315 floor standingcondensing boilers (minimum figures inbrackets)Technical guide Floor standing gas/oil condensing boilers Logano plus SB315, SB615, SB745 – 6 720 802 589 (2012/01) 77
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Technical guide2012/01Logano plus S
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Table of contents7 DHW heating . .
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Basic principles22 Basic principles
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2 Basic principles2.3 Economic viab
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3 Technical descriptionLogano plus
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3 Technical descriptionHot gas rout
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3 Technical description3.1.4 Therma
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3 Technical descriptionBoiler size
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3 Technical description3.2.5 Specif
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3 Technical description3.2.6 Specif
Page 26 and 27: 3 Technical description3.3 Boiler p
Page 28 and 29: 3 Technical description3.3.4 Standb
Page 30 and 31: 4 Burner4 Burner4.1 Burner selectio
Page 32 and 33: 4 Burner4.2.4 Combustion air contro
Page 34 and 35: 4 Burner4.3 Logatop BE-A blue flame
Page 36 and 37: 4 Burner4.4 Third party burners4.4.
Page 38 and 39: 5 Regulations and operating conditi
Page 48 and 49: 7 DHW heating7 DHW heating7.1 Syste
Page 50 and 51: 8 System examples8.1.3 DHW heatingG
Page 52 and 53: 8 System examples8.3 Single boiler
Page 54 and 55: 8 System examples8.4 Single boiler
Page 56 and 57: 8 System examplesSelecting control
Page 58 and 59: 8 System examplesArea of applicatio
Page 60 and 61: 8 System examples8.6 2-boiler syste
Page 66 and 67: 8 System examples8.8 2-boiler syste
Page 72 and 73: 9 Installation9 Installation9.1 Tra
Page 74 and 75: 9 Installation1290°3x34554676 720
Page 78 and 79: 9 Installation9.3.2 Installation di
Page 80 and 81: 9 Installation9.4 Information on in
Page 82 and 83: 9 InstallationSafety component Make
Page 84 and 85: 9 Installation9.6 Accessories for s
Page 86 and 87: 9 Installation9.6.3 Boiler supports
Page 88 and 89: 9 InstallationBoiler sizeFlue gas s
Page 90 and 91: 9 Installation9.7 Further accessori
Page 92 and 93: 10 Flue system10 Flue system10.1 Re
Page 94: 10 Flue systemSizing the plastic fl
Page 97 and 98: Condensate drain1111.2.2 Equipment
Page 99 and 100: Condensate drain1111.2.3 Neutralisi
Page 101 and 102: Condensate drain11Neutralising syst
Page 103 and 104: Keyword indexThermal insulation....
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Logano plus SB315, SB615, SB745 - Buderus

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