Glowworm Compact 28c-AS/1 Bedienungsanleitung

en Operating instructions

Compact

24c-AS/1, 28c-AS/1

0020313974_00 - 27.11.2020

2Operating instructions Compact 0020313974_00

Operating instructions

Contents

1 Safety ............................................ 3

1.1 Intended use .................................. 3

1.2 Qualification ................................... 3

1.3 General safety information............. 3

2 Notes on the documentation ...... 6

2.1 Benchmark..................................... 6

3 Notes on the documentation ...... 6

4 Product description..................... 6

4.1 Display and control elements......... 6

4.2 Displayed symbols......................... 7

4.3 Data plate ...................................... 7

4.4 Serial number ................................ 7

4.5 CE marking .................................... 7

5 Function........................................ 7

5.1 Operating concept ......................... 7

5.2 Setting the heating flow

temperature ................................... 8

5.3 Setting the domestic hot water

temperature ................................... 8

5.4 Switching off heating mode

(Summer mode)............................. 8

6 Care and maintenance ................ 9

6.1 Caring for the product .................... 9

6.2 Maintenance .................................. 9

6.3 Guaranteeing the filling pressure

of the heating installation ............... 9

6.4 Checking the condensate

discharge pipe and tundish.......... 10

7 Troubleshooting ........................ 10

7.1 Eliminating faults.......................... 10

7.2 Clearing faults on the product...... 10

8 Decommissioning...................... 10

8.1 Temporarily decommissioning

the product................................... 10

8.2 Permanently decommissioning

the product................................... 11

9 Restarting ................................... 11

10 Recycling and disposal............. 11

11 Guarantee and customer

service ........................................ 11

11.1 Guarantee.................................... 11

11.2 Customer service......................... 11

Appendix ............................................... 12

A Eliminating faults....................... 12

B Troubleshooting ........................ 12

0020313974_00 Compact Operating instructions 3

1 Safety

1.1 Intended use

The product is intended as a

heat generator for sealed heat-

ing installations and for do-

mestic hot water generation.

Intended use also includes the

following:

–Using the product while ob-

serving the operating instruc-

tions included for the product

and any other installation

components

–Observing all inspection and

maintenance intervals listed in

the instructions

Any other use that is not spe-

cified in these instructions, or

use beyond that specified in this

document, shall be considered

improper use.

Improper use of any kind is

prohibited.

1.2 Qualification

▶Employ only a qualified com-

petent person to install, con-

vert and set the product.

As the end user, you may carry

out all of the work that is de-

scribed in these instructions.

Exception: This product can be

used by children aged from 8

years and above and persons

with reduced physical, sensory

or mental capabilities or lack of

experience and knowledge if

they have been given supervi-

sion or instruction concerning

use of the product in a safe way

and understand the hazards in-

volved. Children must not play

with the product. Cleaning and

user maintenance work must

not be carried out by children

unless they are supervised.

Work that is described in other

instructions must only be car-

ried out by persons who meet

the requirements described

therein.

1.3 General safety

information

The following sections convey

important safety information. It

is essential to read and observe

this information in order to pre-

vent risk of death, risk of injury,

material damage or environ-

mental damage.

1.3.1 Risk of death from

escaping gas

What to do if you smell gas in

the building:

▶Avoid rooms that smell of

gas.

▶If possible, open doors and

windows fully and ensure

adequate ventilation.

▶Do not use naked flames (e.g.

lighters, matches).

▶Do not smoke.

4Operating instructions Compact 0020313974_00

▶Do not use any electrical

switches, mains plugs, door-

bells, telephones or other

communication systems in

the building.

▶If it is safe to do so, close the

emergency control valve or

the main isolator.

▶If possible, close the gas

stopcock on the product.

▶Warn other occupants in the

building by yelling or banging

on doors or walls.

▶Leave the building immedi-

ately and ensure that others

do not enter the building.

▶Notify the gas supply

company or the Emer-

gency Service Provider

+44 (0) 800 111999 by tele-

phone once you are outside

of the building.

1.3.2 Flue gas

If you smell flue gas:

▶Open all accessible doors

and windows fully to provide

ventilation.

▶Switch off the product.

▶Contact a competent person.

1.3.3 Retroactive changes

▶Never remove, bridge or

block the safety devices.

▶Do not tamper with any of the

safety devices.

▶Do not damage or remove

any tamper-proof seals on

components.

▶Do not make any changes:

–The product itself

–to the gas, supply air, water

and electricity supply lines

–to the entire flue system

–to the entire condensate dis-

charge system

–to the expansion relief valve

–to the drain pipework

–to constructional conditions

that may affect the operational

reliability of the product

▶Ensure that there is an evenly

sufficient combustion air sup-

ply.

1.3.4 Material damage

▶Ensure that the combustion

air supply is always free of

fluorine, chlorine, sulphur,

dust, etc.

▶Ensure that no chemical sub-

stances are stored at the in-

stallation site.

▶Ensure that the heating in-

stallation always remains in

operation during freezing con-

ditions and that all rooms are

sufficiently heated.

▶If you cannot ensure the oper-

ation, have a competent per-

son drain the heating installa-

tion.

0020313974_00 Compact Operating instructions 5

▶Only fill the heating installa-

tion with suitable heating wa-

ter and, in cases of doubt, ask

a competent person about

this.

6Operating instructions Compact 0020313974_00

2 Notes on the

documentation

2.1 Benchmark

Glow-worm is a licensed member of the

Benchmark Scheme which aims to im-

prove the standards of installation and

commissioning of domestic heating and

hot water systems in the UK and to en-

courage 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.benchmark.org.uk.

▶Please ensure that the installer has fully

completed the Benchmark Checklist on

the inside back 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 ex-

planation of its operation. The installer

is legally required to complete a com-

missioning checklist as a means of

complying with the appropriate Build-

ing 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 Certi-

ficate will then be issued to the customer

who should, on receipt, write the Notifica-

tion Number on the Benchmark Checklist.

This product should be serviced regularly

to optimise its safety, efficiency and per-

formance. The service engineer should

complete the relevant Service Record on

the Benchmark Checklist after each ser-

vice.

The Benchmark Checklist will be required

in the event of any warranty.

3 Notes on the

documentation

▶Always observe all operating instruc-

tions enclosed with the installation com-

ponents.

▶Store these instructions and all other

applicable documents for further use.

These instructions apply for the following

products only:

Product article number

Article

number

Gas Coun-

cil Number

Compact 24c-

AS/1 (H-GB)

0010040105 47-019-63

Compact 28c-

AS/1 (H-GB)

0010040106 47-019-64

Compact 24c-

AS/1 (P-GB)

0010040107 47-019-65

Compact 28c-

AS/1 (P-GB)

0010040108 47-019-66

4 Product description

This product is a gas-fired wall-hung con-

densing boiler.

4.1 Display and control elements

0020313974_00 Compact Operating instructions 7

Control

element

Operation

–Switch the product on/off

–Activate/deactivate standby

mode

–Go back one level

–Calling up the menu

–Confirming the selection

–Reducing or increasing the set

value

–Scrolling through menu entries

4.2 Displayed symbols

Sym-

bol

Meaning

Burner in operation

Heating mode active:

–Permanently on: Target heating

flow temperature

–Flashing: Current heat demand +

target heating flow temperature

displayed

Domestic hot water generation act-

ive:

–Permanently on: Target domestic

hot water temperature

–Flashing: Current domestic hot

water demand + target domestic

hot water temperature displayed

Installer level active

Current system pressure:

–Flashing: Current filling pressure

Warning if a fault occurs

4.3 Data plate

The data plate is mounted on the rear of

the electronics box and on the upper side

of the product at the factory.

4.4 Serial number

You can find the serial number on the data

plate and on the sticker on the upper side

of the product.

The serial number and the product desig-

nation can also be found on a sticker un-

der the product's front casing.

4.5 CE marking

The CE marking shows that the products

comply with the basic requirements of the

applicable directives as stated on the de-

claration of conformity.

The declaration of conformity can be

viewed at the manufacturer's site.

5 Function

5.1 Operating concept

The adjustable values and menu items

can be changed using the and

buttons.

Each value change must confirmed using

. The new setting is only implemented

once it has been confirmed.

5.1.1 Basic display

A Screensaver B Basic display

The screensaver (A) appears if no operat-

ing procedure is carried out on the product

8Operating instructions Compact 0020313974_00

for longer than two minutes. The display

either shows the target flow temperature

(if no control is connected) or the message

on and/or oF (if a control is connected).

The basic display (B) shows the current

product status. If you press a selection

button, the activated function is displayed

in the display.

The functions that are available depend

on whether a control is connected to the

product.

To return to the basic display, press .

5.1.2 Operating levels

The product has two operating levels:

–The end user level shows the informa-

tion and offers setting options which do

not require any special prior knowledge.

–Specialised knowledge is required in or-

der to use the installer level (access for

competent persons). This is therefore

protected by an access code.

5.2 Setting the heating flow

temperature

Condition: No control connected

▶In the basic display, press once to

ensure that the symbol flashes.

◁The set heating flow temperature

appears in the display.

▶Press or to set the required

heating flow temperature.

▶Confirm by pressing .

◁The set temperature flashes twice

rapidly.

Condition: Control connected

▶In the basic display, press once to

ensure that the symbol flashes.

◁on or oF appears in the display.

–on indicates that heating mode is

switched on.

–oF indicates that heating mode is

switched off.

▶If oF is shown in the display, press the

button to switch on heating mode.

▶Confirm by pressing .

◁on flashes twice rapidly.

▶Set the required heating flow temperat-

ure on the control (→Control operating

instructions).

5.3 Setting the domestic hot water

temperature

1. Press twice in the basic display to

ensure that the symbol flashes.

◁The set domestic hot water temper-

ature appears in the display.

Condition: No control connected

▶Press or to set the required

water temperature.

▶Confirm by pressing .

◁The set temperature flashes twice

rapidly.

Condition: Control connected

▶Set the required domestic hot water

temperature on the control (→Control

operating instructions).

5.4 Switching off heating mode

(Summer mode)

Condition: No control connected

▶To switch off heating mode, press .

◁The value of the heating flow temper-

ature appears in the display.

▶Press to reduce the heating flow

temperature and set it to oF.

▶Confirm by pressing .

◁oF flashes twice rapidly, heating

mode is deactivated.

◁The symbol is no longer shown in

the display.

0020313974_00 Compact Operating instructions 9

◁The target domestic hot water tem-

perature is displayed.

Condition: Control connected

▶Switch off heating mode on the control

(→Control operating instructions).

6 Care and maintenance

6.1 Caring for the product

▶Clean the casing with a damp cloth and

a little solvent-free soap.

▶Do not use sprays, scouring agents,

detergents, solvents or cleaning agents

that contain chlorine.

6.2 Maintenance

An annual inspection of the product carried

out by a competent person is a prerequis-

ite for ensuring that the product is perman-

ently ready and safe for operation, reliable,

and has a long working life.

6.3 Guaranteeing

the filling pressure of the

heating installation

6.3.1 Checking the filling pressure of

the heating installation

1. In the basic display, press three

times.

◁The display shows the current filling

pressure value.

◁The symbol flashes in the

display.

2. Check the filling pressure in the

display.

3. If the filling pressure is lower than

0.5 bar (0.05 MPa), top up the heating

installation. (→Page 9)

Note

If the heating installation ex-

tends over several storeys, a

higher filling pressure may be

required for the heating install-

ation. Ask a competent person

for details.

6.3.2 Topping up the heating

installation

Note

Filling the heating installation de-

pends on the actual installation

configuration. If the following steps

are not suitable for the installation,

contact a competent person.

1. Use a hose to connect the filling tap to

a cold water pipe.

2. Open all thermostatic radiator valves in

the heating installation.

3. Open the cold water pipe's water tap.

4. Turn the installation's filling tap on

slowly, fill with water until the required

system pressure is reached, and then

close the filling tap again.

–Required system pressure: 1.0 to

1.4 bar (0.10 to 0.14 MPa)

5. Close the cold water pipe's water tap.

6. Purge all of the radiators at the con-

nection provided (top left or right on the

radiator).

10 Operating instructions Compact 0020313974_00

Note

A purging key can be used for

the purging.

7. Check the system pressure after pur-

ging. (→Page 9)

8. If required, repeat the work steps for

filling and purging.

9. Disconnect the filling tap from the cold

water pipe.

6.4 Checking the condensate

discharge pipe and tundish

The condensate discharge pipe and tun-

dish must always be penetrable.

▶Regularly check the condensate dis-

charge pipe and tundish for faults and,

particularly, for blockages.

You must not be able to see or feel any

obstructions in the condensate discharge

pipe and tundish.

▶If you notice a fault, have it eliminated

by a competent person.

7 Troubleshooting

Danger!

Risk of death caused by im-

proper repair work

▶If the power supply cable is

damaged, never replace this

yourself.

▶Contact the manufacturer,

customer service or a simil-

arly qualified person.

▶If faults occur, proceed in accordance

with the "Troubleshooting" table in the

appendix.

Troubleshooting

▶If you have been unable to eliminate

the fault using the specified measures,

consult a competent person.

7.1 Eliminating faults

–If one or more faults occur, the basic

display switches between the active

fault code(s) and the target heating flow

temperature.

F. →XX →XX °C

–If fault F.22 (system pressure too low)

occurs, the basic display switches

between the active fault code(s), the

current water pressure and the target

heating flow temperature.

F. →22 →X,X bar →XX °C

▶If a fault code (F.xx) occurs, proceed in

accordance with the fault code table in

the appendix.

Eliminating faults

▶If you have been unable to eliminate

the fault using the specified measures,

consult a competent person.

7.2 Clearing faults on the product

▶Press and hold the on/off button

in the basic display for longer than

three seconds to reset the product

(maximum five times).

◁rE is shown in the display.

▽rE flashes rapidly after five reset

attempts.

▶Press to stop the flashing and

to restart the product.

8 Decommissioning

8.1 Temporarily decommissioning

the product

1. In the basic display, press the on/off

button .

◁The display goes out.

2. Only close the gas stopcock on the

product if no frost is expected.

3. Close the cold-water isolation valve.

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