Manuals and User Guides for Keston C C55P. We have 1 Keston C C55P manual available for free PDF download: Installation And Servicing Instructions. Keston C55 Pdf User Manuals. View online or download Keston C55 Installation And Servicing Instructions, User Instructions. WD The Keston C45, C40P, C55 & C55P CONTENTS Section Description 0 HANDLING INSTRUCTIONS List of contents Recommended handling.

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Code Meaning E00 Flame detected when not expected. Check boiler earth and probe condition. Flame signal lost 5 times in 4 minutes — the flame is unstable.

Flow temperature exceed 95o C. Internal electronics error — rest or replace control box.

Replace thermal fuse link 82OC. Keston Qudos 28h boiler has an unique feature of error history.

Air Supply for gas appliances of kston input not exceeding 70kW BS Boiler off on front. The unit automatically adjusts gas and air rate according to demand to give an output in the range of Flow overheat — check water circulation. Temporary mode whilst boiler is adjusting internal settings. The C45 and C55 boilers can be fitted in compartments with very small clearances required janual the appliance refer to Section 1.


Possible air lock or circulation blockage.

Keston C55 Manuals

Flue Exhaust Connection Open the mabual to page 6. Keston Combi, Keston Heat, Keston Open the catalog to page 4. Check the electrical circuits by testing short circuit, earth continuity and resistance to earth tests. Keston Boilers Guide All Keston gas boilers for your home including parts, troubleshooting and efficiency! Possible fan disconnected or faulty.

The boiler has tried five times to fire and has not suceeded. For safety and economy reasons your boiler should be serviced annually.


Pipe providing gas supply should be sized according to distance between meter and boiler. Those boilers manusl a heat exchanger from stainless steel, lowest in class NOx emission class 5thanks to both boilres are designto provide super efficiency at condensing mode, giving smallest possible cabinet than can be safely hang on the wall. Auto Air Vent 4. Confirm that power supply is reaching the elements.


Boiler Manuals: Keston C55

Flame circuit error — possible control box fault. The boiler will shut down if the water pressure drops below 0. Servicing your Appliance For safety and economy reasons your boiler should be serviced annually. All parts are being kestom by same manufactures used for original assets production. Before installing Keston boiler, you need to first think of diving gas source to other gas appliance at your real estate.

E30 Difference between flow and return temperatures too high. Ensure that the boiler has electrical supply correct to V. Boiler pump is in DHW overrun ,eston 2 mins. General Instruction The Keston C45, C40P, C55 and C55P the flueway and is drained at the base of the flue connection to the heat exchanger or drain points within the flue.