Glowworm Ultracom 24cxi Bedienungsanleitung

To b e l e f t w i t h t h e u s e r

www.glow-worm.co.uk

Instructions for Use

High Efﬁciency Condensing System Boilers

Ultracom cxi

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,

ef ciency and performance.

Benchmark is managed and promoted by the Heating and Hotwater Industry Council.

For more information visit www.centralheating.co.uk

www.glow-worm.co.uk

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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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 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 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 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.

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) Regula-

tions, Section 35.

Servicing

This product should be serviced regularly to optimise its safety,

efciency 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 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 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 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

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

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 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.

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 tem-

perature 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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