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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Check wires on flow and return thermistors are not crossed.

Keston C55 Manuals

Boiler in standby waiting for demand signal. The Online Architecture and Design Exhibition. Top up system pressure if sealed system. This way it guarantees quality, reliability and safety. Contact your Gas Supplier immediately.

Check the system pump performance and the system for blockages. Servicing your Appliance For safety and economy reasons your boiler should be serviced annually.

Possible air lock or circulation blockage B26 Low water pressure B28 No signal from fan. Fan not rotating — check fan connection and fan for fault. Return temperature exceeded flow temperature. Check gas supply, gas valve operation and ignitor electrode spark generation E03 Gas valve faulty or not connected E04 Power has been reset whilst boiler was in lockout E05 Fan failure — boiler cannot detect fan rotation E07 Flue overheat.


Open the catalog to page Air Intake Connection Boiler needs resetting- follow resetting instructions. Air Supply for gas appliances of rated input not exceeding 70kW BS Open the catalog to page 2. Pipe providing gas supply should be sized according to distance between meter and boiler. If this fails to heat the cylinder the element has failed and should be replaced. Open the catalog to page 5.

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

Boiler is alight and running in response to a demand from DHW i. The C45 and C55 boilers can be fitted in compartments with very small clearances required around the appliance refer to Section 1. Gas valve faulty or manuxl connected.

All Keston boiler repair and replacement parts are being supplied by national service boiler engineering team.

Replace thermal fuse link 82OC. Turn User Control Knob to On. B30 Difference between flow and return temperatures too high. Flues for gas appliances of rated input not exceeding 70kW BS Fire boiler and check for actual flue temperature. Always isolate the electrical supply before opening heating elements. Open the ekston to page 9. Contact a qualified electrician or your electricity provider. Flame detected when not expected. Possible air lock or circulation blockage.

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Maximum return temperature exceeded.

The fan speed has dropped below rpm. Due consideration should therefore be given to access The boiler has tried five times to fire and has not suceeded.