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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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Before Keston boiler installation we advice that current meter should be checked to assure no failures to installation by meter faults or inability to provide demanded gas pressure.

Keston C55 Manuals

Ensure that the boiler has electrical supply correct to V. Each Keston Boiler is displaying three types of codes: Time in hours since last error occurred.

Return thermistor not connected or faulty. Flow overheat — check water circulation. B30 Difference between flow and return temperatures too high. No power to boiler. All joints should be checked for soundness after servicing and before firing ketson appliance.


Keston KESTON C55 (Manual and User instructions) Diagram | Heating Spare Parts

Pipe providing gas supply should be sized according to distance between meter and boiler. Kestoj will need to call an qualified and experienced national Keston service engineer for further advice.

The unit automatically adjusts gas and air rate according to demand to give an output in the range of Flame detected when not expected. E28 Fan not rotating — check fan connection and fan for fault. Boiler needs resetting- follow resetting instructions. No signal from fan. Keston Qudos 28h boiler has an unique feature of error history. Boiler is running fan prior to attempting ignition. Gas pressures above or below these levels will cause internal pressure issues with the gas valve. Fan failure — boiler cannot detect fan rotation.

This is a spare sensor connection. However, the resulting weight will still be higher than considered acceptable for a one-man lift. Flue temperatures above 80C will cause boiler lockout. Kestn valve faulty or not connected. Boiler pump is in Central Heating overrun mode 2 mins.

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Control box errors — possible faulty control box. E30 Difference between flow and return temperatures too high. Turn User Control Knob to On.

Further distance it is pipe size should be greater. System water pressure, in bar.

Reset button on a Combi boiler The most common block codes are included in the table below: Turn power off and on at the fused spur. The most common error codes are included in the table below: For indirect models you will need to turn off boiler heating option too.

The boiler has tried five times to fire and has not suceeded.