CX User Manual
Contents
1. Be SD d l Boe i l Boiler Safety Devices Overheat Reset The boiler software is designed to recognise the potential for an overheat lockout and will shutdown before this happens To restart the boiler press the reset button see diagram 2 If the boiler fails to resume normal operation and all external controls are calling for heat then call your Installation Servicing company or Glow worm service Frost Protection With the gas and electric supplies ON and irrespective of any room thermostat setting the integral frost protection device will operate the pump when the temperature of the boiler water falls below 8 C A timer is used so that the temperature can be checked periodically After 10 minutes the pump will be stopped if the temperature is higher than 10 C or has already reached 35 C The burner will only activate if the boiler temperature does not reach 10 C after 30 minutes or at any time if the temperature drops to 5 C The burner will switch off when the temperature reaches 35 C NOTE Any other exposed areas of the system should be protected by a separate frost thermostat Condensate Drain Blockage As asafety feature the boiler will stop working ifthe condensate drain becomes blocked During freezing conditions this may be due to the forming of ice in the condense drain external to the house Release an ice blockage by the use of warm cloths on the pipe The boiler should then restart Contact2. TC Se gt 0020003656 02 11 05 Flexicom cx High Efficiency Condensing Combination Boilers Instructions for Use o Tobeleftwiththe user Glow worm Glow worm Nottingham Road Belper Derbyshire DE56 1JT www glow worm co uk GAS LEAK OR FAULT Turn off the gas emergency control valve immediately Eliminate all sources of ignition i e smoking blowlamps hot air guns etc Do not operate electrical lights or switches either on or off Open all doors and windows ventilate the area SHEETMETAL PARTS This boiler contains metal parts components and care should be taken when handling and cleaning with particular regard to edges SEALED COMPONENTS Under no circumstances must the User interfere with or adjust sealed parts Glow worm service call 01773 828100 Technical helpline 01773 828300 General and Sales enquiries Tel 01773 824639 Fax 01773 820569 Zh aa Chenchmark The code of practice for the installation commissioning amp servicing of gas central heating www glow worm co uk 24CX G C No 47 047 33 30cx G C No 47 047 34 www glow worm co uk Position of name badge typical shown Flexicom30cx 12801 is 1 y 6 Be SD d l CONTENTS Important Information 5 Boiler Design 6 Boiler Safety Devices 7 Maintenance 8 Boiler Operation 9 These instructions are an integral part of th
3. HEATING C TEMPERATURE a system PRESSURE BURNER DEMAND SELECTOR BUTTON FUNCTION 1 Increase Temperature 2 Press and hold for 5 seconds for Pre Heat 3 Pre Heat ON SELECTOR BUTTON FUNCTION 1 Decrease Temperature 2 Deactivate Central Heating and Domestic Hot Water 3 Pre Heat OFF OPERATION Central Heating and Domestic Hot water activated but with no demand system pressure indicated Domestic Hot water active with demand indicated by temperature and burner symbol Central Heating active with demand indicated by temperature and burner symbol rr m UL Pre Heat flashing ON Domestic Hot water Pre Heat function has activated Pre Heat flashing OFF Holiday Mode Central Heating and Domestic Hot water de activated OFF system pressure indicated www glow worm co uk Diagram 6 lt 0020003656 Because of our constant endeavour for improvement details may vary slightly from those shown in these instructions www glow worm co uk
4. d Water Inlet closed with water contact your installer or Glow worm s own Central Heating Return closed service organisation using the telephone number on Filling Loop Taps inset shown open the inside front cover of this booklet Do not operate the boiler without water 3 Check that the electrical supply to the boiler is ON and that all taps are closed and there is no demand from any external controls 4 The digital display see diagram 2 will indicate the system pressure which should read at least 0 7bar recommended 1 0bar if the pressure is less reconnect the filling loop and pressurise as described in the following section Filling Loop 5 To operate or switch off the boiler follow the instructions as described on the following pages Filling 6 Set any external controls as required position Filling Loop Turn the central Heating Flow isolation valve into the filling position as indicated diagram 3 and gently opening both taps until the correct pressure is indicated on the display If the loss of pressure problem persists you MUST contact your Installation Servicing company or Glow worm Service Diagram 3 www glow worm co uk T 1 y gt Be SD Bee Boiler Operation User Controls Description The boiler User controls consist of a MODE button refer to diagram 6 whic
5. e boiler and must to comply with the current issue of the Gas Safety Installation and Use Regulations be left with the user Please read these instructions and follow them carefully for the safe and economical use of your boiler www glow worm co uk Important Information Gas Safety Installation and Use Regulations In your own interests and that of safety it is the Law that ALL gas appliances have been installed by a competent person in accordance with the current issue of the regulations Control of Substances Hazardous to Health Under Section 6 of The Health and Safety at Work Act 1974 we are required to provide information on substances hazardous to health The adhesives and sealants used in this appliance are cured and give no known hazard in this state Electrical Connection The boiler MUST be earthed The boiler MUST be connected to a permanent 230V ac 50Hz supply Connection of the whole electrical system of the boiler including any heating controls to the electrical supply must be through one common isolator and must be fused to 3 Amps maximum The colours of three core flexible cable are blue neutral brown live green and yellow earth All connections must be routed through the Installer Interface IMPORTANT NOTE ALL electrical connections to the boiler must be permanently fixed to a wall or a sturdy support feature Gas Category This boiler is for use only on G20 natural ga
6. essel and associated safety devices are all fitted within the boiler The hot water PRE HEAT temperature facility will improve the boilers hot water delivery response The daily pump and 3 way valve exercise programme combined with the built in frost protection will help to maintain and protect the boiler Once the controls are set the boiler operates automatically Compartment or Cupboard Installations Ventilation is not required for compartment or cupboard installations Do not use the compartment or cupboard for storage The minimum clearances to fixtures are shown in diagram 1 Pluming from flue terminal Like all condensing boilers it will produce a plume of condensation from the flue terminal in cool weather This is due to the high efficiency and hence low flue gas temperature of the boiler It is normal and not a fault indication Electrical Supply Failure The boiler will not work without an electrical supply and normal operation of the boiler should resume when the electrical supply is restored If the boiler does not resume normal operation check the external controls it may be necessary to reset the boiler refer to the following section Boiler Safety Devices A removable compartment door can be placed a minimum of 5mm in front of the appliance but there must be a clearance of 600mm minimum from a fixed surface 150 1 t 600 5 Diagram 1 6 www glow worm co uk
7. h when pressed and held for 2 seconds enters the Central Heating function indicated by a flashing radiator symbol Each press of the MODE button will now cycle between Domestic Hot Water function flashing tap and Central Heating flashing radiator After 10 seconds of inactivity the display will reset to indicate the water pressure The SELECTOR buttons are used to turn OFF or set the Central Heating 38 82 C Domestic Hot Water 40 60 C temperature during the respective functions indicated above To access the Pre Heat function hold in the button for 5 seconds The display will indicate flashing if it is ON OFF OF Pressing the button will switch the Pre Heat OFF and pressing the button will switch it ON After 10 seconds of inactivity the display will reset to indicate the water pressure If a fault occurs indicated by a flashing F and code number press the reset button positioned below the digital display If a fault persists indicated by a flashing F and code number contact your installer service provider or Glow worm Service using the telephone number on the inside front cover of this booklet 10 www glow worm co uk DIGITAL DISPLAY SELECTOR BUTTONS a OFF LO C O MODE BUTTON 1 Press and hold for 2 seconds for Central Heating Press to toggle between 2 Domestic Hot Water 3 Central Heating f DOMESTIC HOT WATER 1 ceNTRAL
8. olvent cleaner as you may damage the paintwork Frost Protection If the mains electricity and gas services are to be turned off for any long periods during severe weather it is recommended that the whole system including the boiler should be drained to avoid the risk of freezing Sealed Water Systems The draining refilling and pressurising MUST be carried out by a competent person contact your Installation Servicing company or Glow worm Service Spare Parts REMEMBER When replacing a part on this boiler use only spare parts that you can be assured conform to the safety and performance specification that we require Do not use reconditioned or copy parts that have not been clearly authorised by Glow worm If replacement parts are required contact Glow worm s own service organisation using the telephone number on the inside front cover of this booklet Please quote the name of the boiler this infomation will be on the name badge on the front case If in doubt seek advice from the local gas company or Glow worm s own service organisation using the telephone number on the inside front cover of this booklet 8 www glow worm co uk Boiler Operation Isolating Valves 1 Check that all isolating valves and the Gas cock ISOLATING VALVES on the boiler are open and that water flows from the Central Heating Flow closed hot water tap Gas cock closed 2 Ifyou are in any doubt about the boiler being filled Col
9. s Testing and Certification This boiler is certificated to the current issue of EN 483 for performance and safety It is important that no alteration is made to the boiler unless approved in writing by Glow worm Any alteration not approved by Glow worm could invalidate the certification boiler warranty and may also infringe the current issue of the statutory requirements CE Mark This boiler meets the requirements of Statutory Instrument No 3083 of the Boiler Efficiency Regulations and therefore is deemed to meet the requirements of Directive 92 42 EEC on the efficiency requirements for new hot water boilers fired with liquid or gaseous fuels Type test for purposes of Regulation 5 certified by Notified body 0087 Product production certified by Notified body 0086 The CE mark on this appliance shows compliance with 1 Directive 90 396 EEC on the approximation of the laws of the Member States relating to appliances burning gaseous fuels 2 Directive 73 23 EEC on the harmonisation of the Laws of the Member States relating to electrical equipment designed for use within certain voltage limits 3 Directive 89 336 EEC on the approximation of the Laws of the Member States relating to electromagnetic compatibility www glow worm co uk 5 Boiler Design Description These boilers are designed for use as part of a sealed water central heating system with fully pumped circulation The pump expansion v
10. your Installation Servicing company or Glow worm service if the fault persists Safety Discharge Valve A safety discharge valve and discharge pipe is fitted to the boiler This valve MUST not be touched If there is any discharge from the pipe switch off the boiler electrical supply then call your Installation Servicing company or Glow worm service DIGITAL DISPLAY raa a t FU m LUG Diagram 2 www glow worm co uk y Maintenance Servicing To ensure the continued efficient and safe operation of the boiler it is recommended that it is checked and serviced at regular intervals The frequency of servicing will depend upon the site conditions and usage but in general once a year should be enough If this boiler is installed in a rented property in the UK there is a duty of care imposed on the owner of the property by the current issue of the Gas Safety Installation and Use Regulations Section 35 Servicing maintenance should be carried out by a competent person in accordance with the rules in force in the countries of destination To obtain service please call your installer or Glow worm s own service organisation using the telephone number on the inside front cover of this booklet Cleaning The boiler casing can be cleaned using a mild liquid detergent with a damp cloth then a dry cloth to polish Do not use any form of abrasive or s
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