Transcription of Technical Service Bulletin: Nozzle selection and electrode ...
1 Technical Service bulletin : Nozzle selection and electrode settingModels: Riello F3/F5 and BF3/BF5 BurnersData subject to change without notice | Printed in the USA | BTC 422002102 A | Thermotechnology following Technical Service bulletin is to inform you of the correct Nozzle selection for the G115/21 boiler with a Riello R40 F3 burner, along with the correct electrode setting for the Riello F3, F5, BF3 and BF5 burners with 60Hz electrical systems. Both of these changes will be included in the next revisions of the Riello manuals. Nozzle SelectionThe documentation included with the Riello R40 F3 burner indicates the wrong Nozzle combination with a G115/21 boiler.
2 The nozzles, which should be used with this boiler and burner combination, is the Del A and the Del W. See Table 1, page 2 for complete G115 / Riello Burner selection sheet. electrode SettingThe electrode gap shown in the Riello R40 F3/F5 and BF3/BF5 burner installation manual (5/32 ) is for installations with a 50Hz electrical system. If the burner is installed in a 60Hz electrical system, the gap between the electrodes should be increased to: 1/4 (see Figure 1). 1/4"Figure 1 electrode Gap Setting for 60Hz systemsData subject to change without notice | Printed in the USA | BTC 422002102 A | Thermotechnology Service Bulletin2 | Riello Burner Nozzle selection & electrode SettingBosch Thermotechnology Grove StreetWatertown, MA 02472 Tel: 1-866-642-3198 Fax: ModelInputBTU/HRVentSystemBurnerModel InsertionDepthFiringRate GPHB urnerPart SettingSpecifi ed NozzleType/BrandPump rePress.
3 SettingAppxGross Stack Te m p .Alternate NozzleType/BrandAir gateBandG115WS Series - Upfi redG115WS/3105000 ChimneyR40 F36" *2 Del A1850 to toSlightly + 350 FDel BG115WS/4126000 ChimneyR40 F56" *1 Del A1900 to toSlightly + 326 FDel BG115WS/5161000 ChimneyR40 F510" *2 Del A2050 to toSlightly + 325 FDel BG115 Series - Chimney VentG115/2184000 ChimneyR40 F36" *0 Del A1600 to toSlightly + 289 FDel WG115/28112000 ChimneyR40 F56" *0 Del A1850 to toSlightly + 297 FDel BG115/34140000 ChimneyR40 F510" *2 Del A2050 to toSlightly + 284 FDel BG115 Series - Direct
4 VentG115/2184000 DirectVentR40 BF36" *0 Del A160N/ 316 FDel WG115/28112000 DirectVentR40 BF36" *3 Del A185N/ 304 FDel BG115/34140000 DirectVentR40 BF510" *0 Del A185N/ 310 FDel BTable 1 Buderus G115 & G115WS Boiler / Riello* Reverse air fl ow turbolator diskActual operating settings on the burner may differ from factory settings. Adjust burner settings to obtain a #0 to trace smoke reading with approx. 12% vent models: Draft pressures will vary due to job site locationsWe recommend the use of a Nozzle line pre-heater if intake air is suspected to be below 10 F at any data sheet is intended to be a setup guide.
5 It is critical that all oil fi red heating equipment be installed using combustion test equipment.
