KESTON C55 MANUAL PDF

KESTON C55 MANUAL PDF

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April 25, 2021

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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C45 C40P C55 C55P – Keston Boilers – PDF Catalogs | Documentation | Brochures

E30 Difference between flow and return temperatures too high. Due consideration should therefore be given to access Boiler off on front. Air Supply for gas appliances of rated input not exceeding 70kW BS All additional components are packed inside the boiler cabinet itself. Possible air lock or circulation blockage.

No power to boiler.

Burner is off because the boiler is up to temperature. Check pump and fan run-on working OK when controls shut blr down. All Keston boiler repair and replacement parts are being supplied by national service boiler engineering team.

For safety and economy reasons your boiler should be serviced annually. Reset button on a Combi boiler The most common block codes are included in the table below: Auto Air Vent 4.

Keston C55 Manuals

Turn power off and on at the fused spur. Flue temperatures above 75C may cause reduced boiler output. No ignition after restart. Boiler in standby waiting for demand signal.

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Gas valve faulty or not connected.

This way it guarantees quality, reliability and safety. Check pump direction on boiler and any external pumps. 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 fuse blown or flue overheat thermostat activated.

Fit new element and reset thermal cut out output.

Check the boiler has gas supply and that it has been purged. Safety footwear and gloves are recommended PPE when lifting this appliance. Incorrect signal from fan.

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

No signal from fan. Flame detected when not expected. If this is incorrect please replace the cut-out switch.

The boiler will shut down if the water pressure drops below 0. Contact your Gas Supplier immediately. You will need to call an qualified and experienced national Keston service engineer for further advice. Check wires on flow and return thermistors are not crossed. Before installing Keston boiler, you need to first think of diving gas source to other gas appliance at your real estate. 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.

Ensure the boiler has an inlet gas pressure of 20 mbar at the gas valve. Check by-pass fitted on off flashing Cabinet overheat. Confirm that power supply is reaching the elements. Check circulation through system. All joints should be checked for soundness after servicing and before firing the appliance.

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Control box errors — possible faulty control box. E02 No ignition after restart. The boiler has tried five times to fire and has not suceeded. The integral Grundfos pump is automatically controlled to best match Flow thermistor not connected or faulty. Flame circuit error — possible control box fault. The unit automatically adjusts gas and air rate according to demand to give an output in the range of Open the catalog to page 9.

E28 Fan not rotating — check fan connection and fan for fault. The C45 and C55 boilers can be fitted in compartments with very small clearances required around the appliance refer to Section 1. Contact a qualified electrician or your electricity provider.

Valve drive error — possible gas valve or control box fault. Since the units use standard 50 mm muPVC pipe for the flue and air intake systems the boiler is packed in a single box without additional flue kit.