Installation Manual - Unical Lattner Condensing Hot Water Boilers

Instructions for the installer4.2 - PERIODIC EXAMINATION OF VENTINGSYSTEMThe inspection of the boiler and venting system should bedone every 1 years and full maintenance every 2 years,whichever occurs first. When doing this the circumstances ofthe boiler’s location must be taken into account. From thisone can determine whether to deviate from this advice.Please contact LATTNER for further guidance on thefrequency and service requirements. Contact details canbe found on the back page of this manual.Verify that the air ventilation system, air intake and airintake pipes are unobstructed.4.3 - PROPER PROCEDURE FORCLEANING FLUE GASPASSAGEWAYS(After 1 year maintenance)Verify that the system of flue and chimney areunobstructed.4.4 - PROPER PROCEDURE FORCLEANING THE BURNER(After 1 year maintenance)• Perform cleaning of the burners only by blowing, with compressedair, acting from the “side flame”• Verify visually the state of the spot weldings of the L profilesand the burner mesh.• Wash with water the combustion chamber, avoiding towet the electrical harnessDuring this operation it will be necessary to ascertainthat the condensate drain pipe is free, so that the washingwater does not come out from the inspection hole.• Blow the combustion chamber with compressed air, tryingto remove all the dirt still fixed to the fins.• Once the washing of the aluminium sections is finished,make sure the siphon for the evacuation of the condensateis free: if necessary clean it.Compressed air42