Glow-worm Ultracom 24cxi, Ultracom 38cxi, Ultracom 30cxi, 47-019-01, 47-019-02 Instructions For Use Manual

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To b e l e f t w i t h t h e u s e r
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Instructions for Use
High Efficiency Condensing System Boilers
Ultracom cxi
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2
WARNING
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,
ef ciency and performance.
Benchmark is managed and promoted by the Heating and Hotwater Industry Council. For more information visit www.centralheating.co.uk
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3
13206
Ultracom
24cxi
Ultracom
30cxi
Ultracom
38cxi
G.C. No. 47-019-01
G.C. No. 47-019-02
G.C. No. 47-019-03
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4
Contents Page
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 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 notied to Local Area Building Control either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certicate will then be issued to the customer who should, on receipt, write the Notication
Number on the Benchmark Checklist. Please read these instructions and follow them carefully for the safe and economical use of your boiler.
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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 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 con­verted 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 exible cable are, blue - neutral,
brown - live, green and yellow - earth.
Important Information
Testing and Certication
This boiler is certicated 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
certication, 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 (Efciency) Regulations, and therefore
is deemed to meet the requirements of Directive 92/42/EEC
on the efciency requirements for new hot water boilers red
with liquid or gaseous fuels.
Type test for purposes of Regulation 5 certied by: Notied
body 0087.
Product/production certied by: Notied 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.
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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 tted 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 ue terminal
Like all condensing boilers it will produce a plume of
condensation from the ue terminal in cool weather. This is due to the high efciency and hence low ue 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 cupboard for storage.
Diagram 1
13208
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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
O
C.
The pump will stop after 10 minutes if the temperature is higher than 10
O
C or has already reached 35OC.
The burner will only activate if the boiler temperature does not reach 10
O
C after 30 minutes or at any time if the temperature
drops to 5
O
C.
The burner will switch off when the temperature reaches 35
O
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 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 tted 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.
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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) Regula­tions, Section 35.
Servicing
This product should be serviced regularly to optimise its safety, efciency and performance. The service engineer should com­plete 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 documenta­tion relating to home improvements in the optional documents section of the Home Information Pack.
To ensure the continued efcient 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.
Servicing, Maintenance and Spare Parts
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, relling 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 specication 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 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 Glow­worm’s own service organisation using the telephone number on the inside front cover of this booklet.
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User Control 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
Ext
SYMBOLS DISPLAYED ON THE LCD AND DESCRIPTIONS
Will be displayed when domestic hot water temperature is less than 50
o
C
System Pressure
Max burner display
Glow-worm control (Optional)
Outdoor sensor (if fitted)
Min burner display
Temperature
Appliance OFF
Central Heating Timed Mode
Programmer Adjustment Mode
Domestic Hot Water Function
Central Heating Function
Ext
Eco
LCD
DISPLAY
RESET
BUTTON
DHW CH
TEMPERATURE
ADJUSTMENT
TOGGLE BUTTON
MODE and PROG
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Initial Lighting
Remove the cover plate, refer to the fault nding 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 ows from the hot
water taps, then close taps, refer diagram 3.
Note: If you are in any doubt about the boiler being lled
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.
Lighting the Boiler
Note: If the electrical supply has been interrupted for any
reason, you may need to set the clock and day before con­tinuing, 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.
Constant central heating with domestic hot water.
Domestic hot water only.
Boiler functions ALL switched off.
3. Turn ON your external controls and select the room tem­perature required.
The boiler will operate automatically.
Note: The display will indicate the Heating system pressure in bar or:
Water temperature, when heating is on.
Domestic Hot Water temperature setpoint, when
there is a demand.
Fault Code (see section Fault Finding)
13469
Diagram 3
A - Central Heating Isolation Valve B - Domestic Hot Water C - Gas Service Cock D - Domestic Cold Water
E - Condensate drain F - Double Check Inlet Valve G - Safety Discharge Valve
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Adjusting Temperature
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" setting of 50OC is recom­mended and ideally suited to normal family use.
Central Heating
The temperature is factory preset to the minimum 38
O
C, but can be adjusted to
a maximum of 82
O
C as required, refer
to diagram 4.
OFF
Press the "+ or -" once
the current temperature
will be displayed "flashing".
STEP 1
STEP 2
Press "+ or -" to
increase or decrease the temperature.
The temperature setting will
automatically save after 5 seconds.
Eco
OFF
STEP 1
STEP 2
Press the "+ or -" once
the current temperature
will be displayed "flashing".
Press "+ or -" to
increase or decrease the temperature.
The temperature setting will
automatically save after 5 seconds.
Eco
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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, set as previously described.
Press the "+" or the "-"
to set the hour.
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13
Timed Central Heating
Factory preset timed intervals are:-
Monday - Friday - ON 6.00 - OFF 8.00 ON 16.00 - OFF 23.00
Saturday - Sunday - ON 8.00 - OFF 23.00
Setting the Programmer
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 "+" to add a time segment or "-" to remove a time segment.
STEP 1
STEP 2
"Running Time" Indicated by solid squares. Square represents 30 minutes.
STEP 3
Press "PROG" button once to view the factory default central heating running times.
Press "PROG" to validate the time intervals. The display returns back to display the current boiler status however if the 7 day function is enabled the display will move to the next day.
STEP 4
Domestic Hot Water
Factory preset times for preheat are:-
Monday to Sunday - ON 6.00 - OFF 24.00
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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 ash for 5 seconds.
Diagram 7
13181
Press + and hold for 5 seconds your appliance will operate until the next OFF period, or you can cancel by pressing + for 5 seconds.
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15
Double Check Inlet Valve
VALVES SHOWN CLOSED
Appliance fails to light
The LCD will display a ashing 'F' and code number, press
the reset button on the control panel, see diagram 2.
If the display shows a ashing 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 lling loop exible hose is securely
connected to the double check inlet valve, see diagram 9.
Fault Finding
Diagram 9
13470
2. Fully open tap "A", then gradually open tap "B" to ll the
heating system to a pressure of 1.0bar. When completed close
the lling taps.
3. IMPORTANT: To comply with the water regulations the
exible hose must be disconnected from the double check inlet valve - undo the nut and pull the exible 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 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 section, "Boiler Safety Devices".
Diagram 8
13539
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Because of our constant endeavour for improvement, details may vary slightly from those shown in these instructions.
0020020822-03 05.09
Glow-worm, Nottingham Road, Belper, Derbyshire. DE56 1JT
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