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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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.

Boiler Manuals: Keston C55

Boiler lost flame whilst running. Control box errors — possible faulty control box. Msnual fan disconnected or faulty. Outside temperature — display indicates a small graph on the bottom row.


Open the catalog to page 7. Check by-pass fitted on off flashing Cabinet overheat.

Possible air lock or circulation blockage. The boiler will shut down if the water pressure drops below 0. All Keston boiler repair and replacement parts are being supplied by national service boiler engineering team.

Confirm that power supply is reaching the elements. Boiler needs resetting- follow resetting instructions.

Flues for gas appliances of rated input not keton 70kW BS E02 No ignition after restart. Check circulation through system. Contact a qualified electrician or your electricity provider. Check for heat leak from gaskets. Keston Qudos 28h boiler has an unique feature of error history. Boiler has opened gas valve and is sparking at ignitor. Contact your Gas Supplier immediately.

Fan not rotating — check fan connection and fan for fault. Open the catalog to page 2.


This fault display indicates a fault on the wiring loom. Burner is off because the boiler is up to temperature. Before installing Keston boiler, you need to first think of diving gas source to other gas appliance at your real estate.


Servicing your Appliance For safety and economy reasons your boiler should be serviced annually.

Keston C55 Manuals

Check fan, connections and fan pcb. No ignition after restart. This is a spare sensor connection. Auto Air Vent 4. Actual Flue Kanual — display indicates the flame and fan symbols NB: Turn User Control Knob to On.