Installation And Servicing Instructions - Heatingspares247.com

KESTON CONDENSING BOILERSIMPORTANTCELSIUS 25 & 25PINSTALLATION KEY POINTS† Read Installation Manual Carefully† Ensure that there is at least 9 feet head of water pressure at thetop of the boiler and an open bypass across primary flow andreturn (for open vented systems).† Ensure that ALL dust particles, filings , plastic chips etc. areremoved from the inlet pipe.† If the installation is a replacement the system must be flushedclean. System should be drained hot, then refilled, then drainedagain until the water is clean.† Ensure that there is a proper electrical supply ie 230V fused at3A for the permanent live and that the factory link between SLand SL(link) has been removed..† Take great care with pipe connections to ensure that no damageis done to the internal pipework.† Ensure that the 22mm condensate pipe is not exposed tofreezing conditions.† Make sure that the exhaust pipe terminates away from windowsor vents and is out of reach.† Make sure that the air inlet and exhaust pipe outlets are at least200mm apart.† Check tightness of all connections in the boiler before firing.† Ensure that the terminals supplied are fitted to both the exhaustand air inlet pipes.† The system must be free from air before firing.† If TRV's are installed on radiators ensure that a bypass isinstalled to maintain required flow.† Complete the appropriate sections of the BenchmarkInstallation, Commissioning and Service Record Log Book.Hand over log book to customer.WD210/1/2000