Reset boiler off then on via User Control Knob. Boiler Manuals: Keston C55 Actual Flue Temperature — display indicates the flame and fan symbols NB: However, kestn resulting weight will still be higher than considered acceptable for a one-man lift. Boiler needs resetting- follow resetting instructions. Internal electronics error — rest or replace control box. Boiler in standby waiting for demand signal.
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Further information regarding these regulations can be obtained from your Gas Supplier. All gas appliances must be installed by competent persons by law in accordance with these regulations. It is in your interests, and that of safety, to ensure that the appliance is installed correctly and that the law is complied with.
Introduction These instructions should be carefully read to ensure safe and economical use of your boiler. The Keston C40 and C55 are high efficiency central heating condensing boilers designed to provide central heating and indirect sanitary hot water supply.
They are designed for use with fully pumped systems only. The C40 and C55 models are supplied for natural gas use only. Servicing To ensure continual safe and efficient operation of the boiler it is recommended that the appliance be checked and serviced as necessary at regular intervals.
Generally once per year will be sufficient. It is the law that any servicing must be carried out by a competent person. NB: There are no user serviceable parts inside the boiler cabinet. The cabinet should only be removed by a qualified competent person.
Extended clearance is required to the front to allow for access for servicing.
Keston C55 PDF manuals for download
Malazahn The integral Grundfos pump is automatically controlled to best match Boiler is alight and running in response to a demand from central heating i. Thermal fuse blown or flue overheat thermostat activated. All additional components c55 packed inside the boiler cabinet itself. Open the catalog to page 6. Check boiler for leaks.
KESTON C55 MANUAL PDF
Kitaur Flue Exhaust Connection Gas pressures above or below these levels will cause internal pressure issues with the gas valve. All Keston boiler repair and replacement parts are being supplied by national service boiler engineering team. Turn power off and on at the fused spur. Internal electronics error — rest or replace control box. Only relevant if an outside kdston sensor is detected. Return temperature exceeded flow temperature.
Keston C40 User Instructions
Keston Qudos 28h boiler has an unique feature of error history. Return thermistor not connected or faulty. Keston C55 Manuals Check fan, connections and fan pcb. Water pressure lost 4 times in 24 hours — possible leak. Possible air lock or circulation blockage B26 Low water pressure B28 No signal from fan. Further distance it is pipe size should be greater.
Combi C30 & C35
Due consideration should therefore be given to access Turn power off and on at the fused spur. Fit new element and reset thermal cut out output. Check the electrical circuits by testing short circuit, earth continuity and resistance to earth tests. Open the catalog to page 6.