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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Further distance it is pipe size should be greater. The unit automatically adjusts gas and air rate according to demand to give an output in the range of B30 Difference between flow and return temperatures too high.
Distances above or below 3 mm will affect ignition performance. This is a spare sensor connection.
External controls not calling for heat. E08 Flame circuit error — possible control box fault E09 Valve drive error — possible gas valve or control box fault E10 Control box errors — possible faulty control box E11 Internal electronics error — rest or replace control box E12 Thermal kestob blown or flue overheat thermostat activated.
Burner is off c55 the boiler is up to temperature. Safety footwear and gloves are recommended PPE when lifting this appliance. Check wires on flow and return thermistors are not crossed.
Incorrect signal from fan. These error codes will display in priority to all other information on the display. The boiler will shut down if the water pressure drops below 0. Boiler is kestpn fan prior to attempting ignition. Replace thermal fuse link 82OC. Open the catalog to page 4. E30 Difference between flow and return temperatures too high. Waiting for fan to start.
Open the catalog to page 8. Air Supply for gas appliances of rated input not exceeding 70kW BS B29 Incorrect signal from fan. Boiler pump is in Central Heating overrun mode 2 mins.
Boiler Manuals: Keston C55
Contact your Gas Supplier immediately. Keston Combi, Keston Heat, Keston Open the catalog keson page 9. Check the electrical circuits by testing short circuit, earth continuity and resistance to earth tests.
Reset button on a Combi boiler The most common block codes are included in the table below: Keaton for heat leak from gaskets. After this boiler will try to ignite.
Keston C55 Manuals
Due consideration should therefore be manusl to access Flow temperature climbing too quickly. Possible air lock or circulation blockage. Boiler has opened gas valve and is sparking at ignitor. Servicing your Appliance For safety and economy reasons your boiler should be serviced annually.
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The error code recorded for the lockout. Check gas supply, gas valve operation and ignitor electrode spark generation. Check pump and fan run-on working OK when controls shut blr down. Flue Exhaust Connection Check boiler for leaks. Flues for gas appliances of rated input not exceeding 70kW BS Temporary mode whilst boiler is adjusting internal settings.
You will need to call an qualified and experienced national Keston service engineer for further advice. Top up system pressure if sealed system. Boiler in standby waiting for demand signal. Open the catalog to page 2.
Open the catalog to page