Glowworm 12hxi Manuale utente
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1
www.glow-worm.co.uk
To be left with the user
Instructions for Use
High Efficiency Condensing Boilers
Ultracom hxi
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) 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
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G.C. No. 41-019-01
G.C. No. 41-019-02
G.C. No. 41-019-03
Ultracom
12hxi
Ultracom
15hxi
Ultracom
18hxi
G.C. No. 41-019-04
G.C. No. 41-019-05
G.C. No. 41-019-06
Ultracom
24hxi
Ultracom
30hxi
Ultracom
38hxi
13204
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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
Fault Finding 11
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 read these instructions and follow them carefully for the safe and economical use of your boiler.
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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 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.
Important Information
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.
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Boiler Design and Clearances
Description
These boilers are designed to provide central heating from a
fully pumped open vented or sealed water system and domestic
hot water using a fully indirect cylinder.
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 cupboard for
storage.
Diagram 1
13204
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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 8OC.
The pump will stop after 10 minutes if the temperature is
higher than 10OC or has already reached 35OC.
The burner will only activate if the boiler temperature does not
reach 10OC after 30 minutes or at any time if the temperature
drops to 5OC.
The burner will switch off when the temperature reaches
35OC.
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.
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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 Use)
Regulations, Section 35.
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.
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.
Servicing, Maintenance and Spare Parts
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.
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 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.
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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
13474
Control Panel
MODE
PROG
SYMBOLS DISPLAYED ON THE LCD AND DESCRIPTIONS
Max burner display
Glow-worm control (Optional)
Min burner display
Temperature
Appliance OFF
Central Heating Function
Ext
LCD
DISPLAY
RESET
BUTTON
NOT
USED
CH TEMPERATURE
ADJUSTMENT
TOGGLE BUTTON
MODE and PROG
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Initial Lighting
Remove the cover plate, see diagram 3.
Check that the gas service cock, on the appliance, is open.
Note: If you are 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.
Lighting the Boiler
13475
Diagram 4
2. Select your required function, refer to diagram 2, press
"MODE" repeatedly to scroll through your options and
select one of the following:-
Central heating.
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 water
temperature or a fault code (see section Fault Finding).
GAS SERVICE
COCK
(shown open)
COVER PLATE
13540
Diagram 3
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3
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