Ultracom cxi - White`s Plumbing Services
Contents
1. 05 09 Because of our constant endeavour for improvement details may vary slightly from those shown in these instructions Glow worm Nottingham Road Belper Derbyshire DE56 1JT Sn ca2. 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 Boiler Design and Clearances Description The Ultracom cxi range of boilers are designed for use as part of a sealed water central heating system with fully pumped circulation The pump expansion vessel and associated safety devices are all fitted within the boiler The domestic hot water is delivered without the need for storage The intelligent control system is designed for both simple operation and maximum control Once the controls are set the boiler operates automatically 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 Compartment or Cupboard Installations Ventilation is not required for compartment or cupboard installations Do not use the compartment or cupboa
3. Glow worm Ultracom cxi High Efficiency Condensing System Boilers Instructions for Use Tobeleftwiththe user www glow worm co uk WARNING 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 SHEET METAL 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 Customer service call 01773 828100 Technical helpline 01773 828300 General and Sales enquiries Tel 01773 824639 Fax 01773 820569 Glow worm is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety efficiency and performance Benchmark is managed and promoted by the Heating and Hotwater Industry Council For more information visit www centralheating co uk pENCHINGN THE MARK OF QUALITY FOR THE INSTALLATION COMMISSIONING AND SERVICING OF DOMESTIC HEATING AND HOT WATER SYSTEMS www glow worm co uk Glow worm Ultracom 24cxi G C No 47 019 01 Glow worm Ultracom 30cxi G C No 47 019 02 Glow worm Ultrac
4. Programmer HI Timed Central Heating P Domestic Hot Water Factory preset timed intervals are Factory preset times for preheat are Monday Friday ON 6 00 OFF 8 00 ON 16 00 OFF 23 00 Monday to Sunday ON 6 00 OFF 24 00 Saturday Sunday ON 8 00 OFF 23 00 To alter the times to suit your requirments follow Steps 1 to 4 STEP 1 STEP 2 STEP 3 Press PROG button once to Press or to move the flashing Press to add a time segment view the factory default cursor to the desired time or to remove a time segment central heating running times E o STEP 4 Press PROG to validate the time intervals Running Time The display returns back to display the Indicated by solid squares current boiler status however if the 7 day Square represents 30 minutes function is enabled the display will move to the next day Diagram 6 www glow worm co uk 13 14 Advancing the Programmer Advancing the timed central heating programmer ON OFF times This function will only work when the appliance is in timed operating mode Clock symbol Refer to diagram 2 The activated deactivated segments will flash for 5 seconds Press and hold for 5 seconds your appliance will operate until the next OFF period or you can cancel by pressing for 5 seconds ADVANCE i Diagram 7 www glow worm co uk Fault Finding Appliance fails to light The LCD will display a flas
5. e Home Information Pack 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 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 solvent 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 approved at the time by the Health and Safety Executive 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 recon ditioned or copy parts that have not been clearly authorised by Glow worm If replacement parts are required contact Glow worm s own service o
6. hing F and code number press the reset button on the control panel see diagram 2 If the display shows a flashing pressure of 0 4bar or less then you will need to pressurise the system as described below If any fault persists contact your installer service provider or Glow worm Service using the telephone number on the inside front cover of this booklet Filling Central Heating System Remove the cover plate see diagram 8 1 Ensure that the filling loop flexible hose is securely connected to the double check inlet valve see diagram 9 Diagram 8 2 Fully open tap A then gradually open tap B to fill the heating system to a pressure of 1 0bar When completed close the filling taps 3 IMPORTANT To comply with the water regulations the flexible hose must be disconnected from the double check inlet valve undo the nut and pull the flexible hose from the valve Electrical Supply Failure The boiler will not work without an electrical supply and normal operation of the boiler should resume when the electrical sup ply 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 section Boiler Safety Devices VALVES SHOWN CLOSED LY iT Te eer L fot F I ws LARN A am i rom Say Ria aD TE R7 Rn g U Diagram 9 Inlet Valve www glow worm co uk 15 0020020822 0020020822 03
7. if the 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 Contact your Installation Servicing company or Glow worm service if the fault persists Safety Discharge Valve The safety discharge valve and discharge pipe is fitted to the boiler If there is any discharge from the pipe switch off the boiler electrical supply then call your Installation Servicing company or Glow worm service www glow worm co uk Servicing Maintenance and Spare Parts General Note Servicing maintenance should be carried out by a competent person approved at the time by the Health and Safety Execu tive in accordance with the rules in force in the countries of destination 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 Regula tions Section 35 Servicing This product should be serviced regularly to optimise its safety efficiency and performance The service engineer should com plete the relevant Service Record on the Benchmark Checklist after each service The Benchmark Checklist may be required in the event of any warranty work and as supporting documenta tion relating to home improvements in the optional documents section of th
8. in any doubt about the boiler being filled with water contact your installer or Glow worm s own service organisation using the telephone number on the inside front cover of this booklet Do not operate the boiler without water 1 With no demand from any external controls switch on the electrical supply to the boiler l a g Hs vA lady a as N SS E Condensate drain F Double Check Inlet Valve G Safety Discharge Valve Central Heating Isolation Valve Domestic Hot Water Gas Service Cock Domestic Cold Water Diagram 3 Note If the electrical supply has been interrupted for any reason you may need to set the clock and day before con tinuing refer to diagram 5 2 Select your required function refer to diagram 2 press Mode repeatedly to scroll through your options and select one of the following Timed central heating with domestic hot water Ail Constant central heating with domestic hot water a ii Domestic hot water only 4 Pa Boiler functions ALL switched off OFF 3 Turn ON your external controls and select the room tem perature required The boiler will operate automatically Note The display will indicate the Heating system pressure in bar or e Water temperature when heating is on e Domestic Hot Water temperature setpoint when there is a demand e Fault Code see section Fault Finding www gl
9. om 38cxi G C No 47 019 03 www glow worm co uk Contents Page Important Information 5 Boiler Design and Clearances 6 Boiler Safety Devices T Servicing Maintenance and Spare Parts 8 User Control Panel 9 Lighting the Boiler 10 Adjusting Temperature 11 Setting the 24 hour Clock 12 Setting the Programmer 13 Advancing the Programmer 14 Fault Finding 15 These instructions are an integral part of the boiler and must to comply with the current issue of the Gas Safety Installation and Use Regulations be left with the user Please ensure that the installer has fully completed the Benchmark Checklist in the centre pages of the installation instructions supplied with the product and that you have signed it to say that you have received a full and clear explanation of its operation The installer is legally required to complete a commissioning checklist as a means of complying with the appropriate Building Regulations England and Wales All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer who should on receipt write the Notification Number on the Benchmark Checklist 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 Regulation
10. ow worm co uk Domestic Hot Water Domestic hot water has priority over central heating The temperature is factory preset to the minimum 40 C but can be adjusted to a maximum of 62 C as required refer to diagram 4 Economy Setting The ECO setting of 50 C is recom mended and ideally suited to normal family use Central Heating The temperature is factory preset to the minimum 38 C but can be adjusted to a maximum of 82 C as required refer to diagram 4 Adjusting Temperature Domestic Hot Water Central Heating ADVANCE ADVANCE y ste A Ne o EA me re m Press the or once Press the or once the current temperature the current temperature will be displayed flashing will be displayed flashing ADVANCE N w k mc Press or to Press or to increase or decrease the temperature increase or decrease the temperature The temperature setting will The temperature setting will automatically save after 5 seconds automatically save after 5 seconds Diagram 4 www glow worm co uk re Setting the 24 hour Clock To set the clock refer to diagram 5 Press and hold PROG 5 secs the hours symbol will flash STEP 2 Press the or the to set the hour Press PROG to confirm The process will automatically scroll to minutes then days set as previously described Diagram 5 m www glow worm co uk Setting the
11. rd for storage CLEARANCES 5mm clearance to combustible material A removable compartment door can be placed a minimum 5mm in front of the appliance A clearance of 600mm is required from a fixed surface A 5mm to a non permanent surface 20mm to a permanent surface Diagram 1 www glow worm co uk Boiler Safety Devices Boiler Shutdown 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 The pump will stop after 10 minutes 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 a Safety feature the boiler will stop working
12. rganisation using the telephone number on the inside front cover of this booklet Please quote the name and model of the boiler The name and model badge is 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 www glow worm co uk User Control Panel General Description The User Control panel consists of three toggle buttons a reset button ri DE pa C XP ADVANCE and display which will indicate with miniai symbols the status of the boiler refer f pera ar to diagram 2 oe ty TOGGLE BUTTON LCD RESET DHW CH MODE and PROG DISPLAY BUTTON TEMPERATURE ADJUSTMENT SYMBOLS DISPLAYED ON THE LCD AND DESCRIPTIONS Will be displayed when domestic hot Panel neall gy eHeuon ECO water temperature is less than 50 C Domestic Hot Water Function Glow worm control Optional Central Heating Min burner display Timed Mode Appliance OFF bar bar System Pressure Programmer Adjustment Mode ra Outdoor sensor if fitted Control Panel Diagram 2 www glow worm co uk 9 10 Lighting the Boiler Initial Lighting Remove the cover plate refer to the fault finding section on page 15 and diagram 8 Check that all isolating valves and the gas service cock on the appliance are open and that water flows from the hot water taps then close taps refer diagram 3 Note If you are
13. s In your own interests and that of safety it is the Law that ALL gas appliances have been installed by a competent person approved at the time by the Health and Safety Executive in accordance with the current issue of these regulations Gas Category This boiler is for use only on G20 natural gas but can be con verted for use on G31 propane Electrical Connection The boiler MUST be earthed The boiler MUST be connected to a permanent 230V ac 50Hz supply fused at 3A Connection of the whole electrical system of the boiler including any heating controls to the electrical supply must be through one common isolator The colours of three core flexible cable are blue neutral brown live green and yellow earth 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
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