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Summary of Contents for Lochinvar EFB85
- Page 1 EFB Boiler range Flue Guide Models covered: EFB85 EFB105 EFB125 EFB155...
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Page 2: Table Of Contents
Contents GENERAL..................................3 Drawing 1 Boiler terminal locations ......................... 4 Table 1 Boiler terminal locations ..........................4 Table 2 risk assesment ............................5 Boiler flue information ............................6 CONCENTRIC FLUE SYSTEMS ............................7 Horizontal Type C ..............................7 Plume Management Kits ............................8 Vertical Type C .............................. - Page 3 DOCUMENT CONTROL Article Language Version Modified by EFB flue guide English V1.5 January 2023 S Hunt Page 2 of 19...
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Page 4: General
GENERAL Lochinvar CPM Boilers are certified for use on the following flue categories: Installation type Category Description An appliance intended to be connected to a flue that evacuates the products of combustion to the Open flue outside of the room containing the appliance. The combustion air is drawn directly from the room. -
Page 5: Drawing 1 Boiler Terminal Locations
For boiler installation above 333kW nett input the table above should not be used, these installations are covered by the clean air act and must comply with its requirements in full, contact your local environmental health team for further guidance For further guidance please contact Lochinvar Technical support Page 4 of 19... - Page 6 ABLE RISK ASSESMENT The table below is an excerpt from IGEMUP10 and should be used in conjunction with that document Further to the requirements in IGEM/UP/10 Edition 4 +A: 2016 Section 8 under clause 8.7.3.3 and Figure 7 the following risk assessment gives guidance for the positioning of horizontal flues.
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Page 7: Boiler Flue Information
OILER FLUE INFORMATION Model Number EFB85 EFB105 EFB125 EFB155 FLUE DATA TYPE B Nominal flue diameter Maximum flue gas temp °C Flue gas temperature °C 60-90 Flue draught requirements mbar -0.03 to -0.1 Available pressure for the flue system Maximum flue gas volume 28.9... -
Page 8: Concentric Flue Systems
CONCENTRIC FLUE SYSTEMS ORIZONTAL CPMH003 CONCENTRIC HORIZONTAL FLUE ASSEMBLY MODELS - EFB85, EFB105, EFB125 COMPONENTS INCLUDED Item No. Description Included LV310758B CONCENTRIC HORIZONTAL TERMINAL Ø100/150mm PP M84410B CONCENTRIC BEND 90° Ø100/150mm PP SHORT RADIUS Maximum resistance in the flue system ≤200pa Additional Flue Ancillary Items Item No. -
Page 9: Plume Management Kits
LUME ANAGEMENT For installations where the flue exhaust may present a nuisance pluming problem but is installed as per IGEM/UP/10 then Lochinvar can offer a plume management kit as below. LG800009B CONCENTRIC HORIZONTAL PLUME ASSEMBLY MODELS - EFB85, EFB105 COMPONENTS INCLUDED Item No. -
Page 10: Vertical Type C
ERTICAL CPMV003 CONCENTRIC VERTICAL FLUE ASSEMBLY MODELS - EFB85, EFB105, EFB125 COMPONENTS INCLUDED Item No. Description Included LV310754B CONCENTRIC VERTICAL TERMINAL Ø100/150mm PP M84405B CONCENTRIC EXTENSION Ø100/150mm (500mm) Cuttable M84402B CONCENTRIC EXTENSION Ø100/150mm (1000mm) PP FIXED Maximum resistance in the flue system ≤200pa Additional Flue Ancillary Items Item No. -
Page 11: Concentric Flue Sizing Calculations
Maximum Length – Concentric Flue The resistance of the components within the flue determines the maximum length of the flue system. The resistance must not exceed 200 Pa. The information shown in table below is for the Lochinvar supplied flue system only; other flue system suppliers may have different values. Resistance in the flue system components... -
Page 12: Twin-Pipe Flue Systems Type C
Introduction Twin-Pipe and Conventional Flue Systems Due to the varying and sometimes complex nature of twin-pipe and conventional flue systems Lochinvar do not offer a standard flue kit for these flue types. The following pages show the flue components available including the items that MUST BE ORDERED to start and terminate the system. -
Page 13: Twin-Pipe Flue Sizing Calculations
Maximum Length – Twin-Pipe Flue The resistance of the components within the flue determines the maximum length of the flue system. The resistance must not exceed 200 Pa. The information shown in table below is for the Lochinvar supplied flue system only; other flue system suppliers may have different values. FLUE GAS... - Page 14 This table may only be used for a single flue/air system for one boiler Do NOT use this table for common flue systems with cascade boilers. Example: Twin-Pipe flue system Calculation example with given lengths: checking resistance Boiler type: EFB 125 Diameter: 100 mm Pa total quantity...
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Page 15: Conventional (Exhaust Only) Flue Systems Type B
CONVENTIONAL (EXHAUST ONLY) FLUE SYSTEMS TYPE B CONVENTIONAL FLUE SYSTEMS MODELS - EFB85, EFB105, EFB125 COMPONENTS REQUIRED TO START INSTALLATION VERTICAL FLUE Item No. Description Number Required LE022500019 AIR INLET GUARD LV310754B CONCENTRIC VERTICAL TERMINAL Ø100/150mm PP Maximum resistance in the flue system ≤200pa Additional Flue Ancillary Items Item No. -
Page 16: Conventional Flue Sizing Calculations
Maximum Length – Conventional Flue The resistance of the components within the flue determines the maximum length of the flue system. The resistance must not exceed 200 Pa. The information shown in table below is for the Lochinvar supplied flue system only; other flue system suppliers may have different values. BOILER... - Page 17 Example: Single flue gas outlet. Air supply from boiler room Calculation example with given lengths: checking resistance Boiler type: EFB 105 Diameter: 100 mm Number Pa total Straight tube m¹ total Bend 90° 14.5 Bend 45° Flue outlet zeta = 1.0 15.3 12.8 Total resistance flue gas:...
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Page 18: Common Flue Systems
COMMON FLUE SYSTEMS Applicable only when installer not using the Lochinvar supplied flue system EFB boilers are certified for use on common (over pressure) flue systems of the following type: C10 (3) Flue gas discharge through individual or shared flue ducting built into the building. -
Page 19: Order Form And Notes
ORDER FORM AND NOTES Notes-Items to order Notes Item No. No required Contact Lochinvar customer service to order additional flue items on 01295 269981 Page 18 of 19... - Page 20 Page 19 of 19...
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