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Glowworm Lighting ULTRACOM CXI - page 1
www.glow-worm.co.uk 1 www.glow-worm.co.uk To be left with the user Instructions f or Use High Efficiency Condensing Boilers Ultracom cxi ...
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Glowworm Lighting ULTRACOM CXI - page 2
www.glow-worm.co.uk 2 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. METAL PARTS This boiler contains metal parts (components) an ...
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Glowworm Lighting ULTRACOM CXI - page 3
www.glow-worm.co.uk 3 13206 G.C. No. 47-019-01 G.C. No. 47-019-02 G.C. No. 47-019-03 Ultracom 24cxi Ultracom 30cxi Ultracom 38cxi ...
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Glowworm Lighting ULTRACOM CXI - page 4
www.glow-worm.co.uk 4 Contents P age Important Information 5 Boiler Design and Clearances 6 Boiler Safety Devices 7 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 a ...
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Glowworm Lighting ULTRACOM CXI - page 5
www.glow-worm.co.uk 5 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 these regulations. Gas Category This boiler is for use only on G20 natural gas but can be converted for use on G31 propa ...
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Glowworm Lighting ULTRACOM CXI - page 6
www.glow-worm.co.uk 6 Boiler Design and Clearances Description These 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 intelligent control system is designed for both simple operation and maximum ...
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Glowworm Lighting ULTRACOM CXI - page 7
www.glow-worm.co.uk 7 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 y ...
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Glowworm Lighting ULTRACOM CXI - page 8
www.glow-worm.co.uk 8 General Note Servicing/maintenance should be carried out by a competent person 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 U ...
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Glowworm Lighting ULTRACOM CXI - page 9
www.glow-worm.co.uk 9 User Contr ol Panel General Description The User Control panel consists of three toggle buttons, a reset button and display, which will indicate with symbols the status of the boiler, refer to diagram 2. Diagram 2 13176 Control Panel MODE PROG SYMBOLS DISPLA YED ON THE LCD AND DESCRIPTIONS Will be displayed when domestic hot w ...
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Glowworm Lighting ULTRACOM CXI - page 10
www.glow-worm.co.uk 10 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 in any doubt about the boiler being filled wi ...
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Glowworm Lighting ULTRACOM CXI - page 11
www.glow-worm.co.uk 11 Adjusting T emperatur e 13178 Diagram 4 13179 Domestic Hot Water Central Heating Domestic Hot Water Domestic hot water has priority over central heating. The temperature is factory preset to the minimum 40 O C, but can be adjusted to a maximum of 62 O C as required, refer to diagram 4. Economy Setting The "ECO" sett ...
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Glowworm Lighting ULTRACOM CXI - page 12
www.glow-worm.co.uk 12 To set the clock, refer to diagram 5. Setting the 24 hour Clock Diagram 5 13177 STEP 1 STEP 2 MODE PROG MODE PROG STEP 3 Press and hold "PROG" 5 secs. the "hours" symbol will flash. Press "PROG" to confirm. The process will automatically scroll to minutes, then days (if the installer sets the 7 d ...
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Glowworm Lighting ULTRACOM CXI - page 13
www.glow-worm.co.uk 13 24hr Timed Central Heating Factory preset timed intervals are:- ON 6.00 - OFF 8.00 ON 16.00 - OFF 23.00 Setting the Pr ogrammer Diagram 6 13468 To alter the times to suit your requirments, follow "Steps" 1 to 4 MODE PROG Flashing cursor . Press + or - to move the flashing cursor to the desired time. Press "+&qu ...
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Glowworm Lighting ULTRACOM CXI - page 14
www.glow-worm.co.uk 14 Advancing the Pr ogrammer 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. Diagram 7 13181 Press + and hold for 5 seconds your appli ...
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Glowworm Lighting ULTRACOM CXI - page 15
www.glow-worm.co.uk 15 Double Check Inlet V alve V AL VES SHOWN CLOSED Appliance fails to light The LCD will display a flashing '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 ...
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Glowworm Lighting ULTRACOM CXI - page 16
www.glow-worm.co.uk 16 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 0020020822-02 11.06 ...
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