remeha Avanta Plus Combi 24C, Avanta Plus Combi 28C, Avanta Plus Combi 35C, Avanta Plus Combi 39C, Avanta Plus System 18S User guide

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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 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 notified to Local Area Building Control either directly or through
a Competent Persons Scheme. A Building Regulations Compliance Certificate will then
be issued to the customer who should, on receipt, write the Notification Number on the
Benchmark Checklist.

This product should be serviced regularly to optimise its safety, efficiency 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.

User Guide

Remeha Avanta Range

24c | 28c | 35c | 39c | 18s | 24s | 30s

© Copyright
All technical and technological information contained in these
technical instructions, as well as any drawings and technical
descriptions furnished by us remain our property and may not be
multiplied without our prior consent in writing.

Broag Ltd.
Remeha House
Molly Millars Lane
RG41 2QP WOKINGHAM,
Berks.

Tel: [phone]
Fax: [phone]
Internet: uk.remeha.com

www.avantarange.com

E-mail: [e-mail]

Remeha Avanta Plus

230 V

Gas

2bar

Min. 1 bar

230 V

R

R

R

R

R

R

R

R

R

R

24c / 28c / 35c / 39c / 18s / 24s / 30s

5 ENABLING THE BOILER

LT.AL.W7H.000.224

LT.AL.W7H.000.228

2. Disable boiler without frost protection, during longer
periods of non-use

• Switch off the boiler.

• Turn off the boiler gas tap.

 Drain boiler

Drain the boiler and central heating system if you will not be
using the home for a long period and there is a chance of
night frost.

SHORT USER GUIDE

1 SAFETY

 Can you smell gas? What to do:

• Do not smoke and do not create any flame or sparks.

• Do not use any electric switches.

• Turn off the main gas stop cock.

• Open windows and doors.

• Warn those present and leave the building together.

• Call your gas suppliers / installer once you are outside the
building, TRANSCO tel. [phone].

 Can you smell smoke or flue gases? What to do:

• Switch off the boiler.

• Open windows and doors.

• Warn those present and leave the building together.

• Call your installer once you are outside the building.

 Installation location for the boiler!

• Do not store or use any flammable materials,
aggressive substance and/or aerosols near the boiler.

• The installation area must be frost-free.

• The switched spur unit for the boiler must always be
accessible.

 Water and pipe temperatures!

• The factory setting for the tap water temperature is 55°C;
this temperature can be set to 65°C.

• The maximum water temperature in the Avanta Plus can
reach 90°C. This means that pipes and/or radiators can
reach this temperature.

• If the boiler is running, the flue duct can reach a high
temperature.

2 PROBLEMS WITH BOILER AND/OR CENTRAL HEATING SYSTEM

Error codes – errors which can be resolved by the user

• Check the boiler water pressure. If the water pressure

is less than 1 bar, the system has to be topped up with
water.

LT.AL.W7H.000.054

é1 / é2

Check water
pressure:
water pressure
is greater or

equal to 1 bar.

Press R-key

Wait for
recovery;
display shows

0,

boiler functions
properly.

Display shows , ,  or
 again; note down the error code

and boiler type and call your installer

• Switch on the boiler at the fused spur unit; the boiler will

run the start-up program.

é7 / é10

Or

- A display test will briefly appear showing all segments of the

LT.AL.W7H.000.225

display.

f[ xx software version;
p[ xx parameter version;

- A venting cycle of 3 minutes now follows, the version num-

bers will be displayed alternately;

Check water
pressure:
water pressure
is lower than

1 bar.

Top up your
central heating

system

Press R-keyOrWait for recovery;

display shows

0, boiler

functions
properly.

Display shows , ,  or
 again; note down the error code

and boiler type and call your installer

- Next, the following will appear in the display;

[1 pre-purge stage
[2 ignition stage

LT.AL.W7H.000.212

[3 operating in CH mode or:
[4 operating in DHW mode
[7 pump run on after CH or DHW is satisfied
[0 stand-by mode

• Set the room thermostat to the desired room temperature.

The boiler will now automatically start operating.

é4

Check yellow
gas valve,
bottom boiler,
gas valve must
be in line with
gas supply pipe,
if necessary
open gas valve.

Press R-key Wait for

recovery;
display shows

0, boiler

functions
properly.

LT.NL.W6H.000.079

4

Error codes – errors which have to be remedied by the installer

If the display indicates a different error code from that described above, note down the error code and boiler type and call your
installer. Contact your installer also in the event of a water leak.

Or

Display shows
E4 again:
note down the
error code and
boiler type
and call your
installer.

LT.NL.W6H.000.114 + LT.NL.W6H.000.115 + LT.NL.W6H.000.116 + LT.AL.W7H.000.235 + LT.NL.W6H.000.118

LT.AL.W7H.000.230 + LT.NL.W6H.000.121 + LT.NL.W6H.000.122

1

Remeha Avanta Plus

R

1x

R

2x

R

3x

5x

R

R

R

24c / 28c / 35c / 39c / 18s / 24s / 30s

3 CHANGING BOILER SETTINGS

LT.NL.W6H.000.070

LT.NL.W6H.000.071

1. Changing P1 setting: flow temperature of water in central heating system

Reduce the flow temperature as follows:

• Press ‘Enter’- key until codes p [ and [ 1 are displayed alternately.

• Press ‘Enter’- key again; set value for maximum flow temperature is displayed:
75°C (factory setting).

• Press [+] or [-] -key to change this value, for example to 70°C.

• Press ‘Enter’- key to confirm value; codes p [ and [ 1 are displayed
alternately.

• Press ‘Reset’- key to switch boiler to operating mode.

2. Changing P2 setting: domestic hot water temperature

Increase the domestic hot water temperature as follows:

• Press ‘Enter’- key until codes p [ and [ 1 are displayed alternately.

• Press ‘[+]- key until codes p [ and [ 2 are displayed alternately.

• Press ‘Enter’- key; set value for domestic hot water temperature is displayed:
55°C (= factory setting).

• Press [+] or [-]- key to change this value, for example to 65°C.

• Press ‘Enter’- key to confirm value; codes p [ and [ 2 are displayed
alternately.

• Press ‘Reset’- key to switch boiler to operating mode.

LT.NL.W6H.000.073

4. Changing P4 setting: Eco or comfort mode

 No hot water

Beware; the system boiler in combination with an external calorifier will not warm
up the calorifier in the Eco-mode.
So, if the calorifier is empty, the tap water will be cold.

0 = Comfort mode

1 = Eco mode

2 = regulated by controller (= factory setting)

Change the mode as follows:

• Press ‘Enter’- key until codes p [ and [ 1 are displayed alternately.

• Press [+]- key 3x until codes p [ and [ 4 are displayed alternately.

• Press ‘Enter’- key; setting of ‘eco or heat retention’ mode is displayed
(mode 2 = heat retention and regulator-dependent, factory setting).

• Press [-]- key to change this mode, for example mode 1 (=eco mode).

• Press ‘Enter’- key to confirm this mode; codes p [ and [ 4 are displayed
alternately.

• Press ‘Reset’- key to switch boiler to operating mode.

P6 setting: display on/off

Change the display setting as follows:

• Press ‘Enter’- key until codes p [ and [ 1 are displayed alternately.

• Press [+]- key 5x until codes p [ and [ 6 are displayed alternately.

• Press ‘Enter’- key; you will see mode 2( = ‘Display automatically off’, factory
setting).

• Press [-]- key to change this mode to mode 1 (= ‘Display remains on’).

• Press ‘Enter’- key to confirm this mode; codes p [ and [ 6 are displayed
alternately.

• Press ‘Reset’- key to switch boiler to operating mode.

3. Changing P3 setting: boiler regulation
(domestic hot water and central heating mode)

0 = CH
1 = CH
2 = CH
3 = CH

/ DHW

off

/ DHW on (factory setting)

on

/ DHW

on

/ DHW

off

off

off

on

LT.NL.W6H.000.075

4 DISABLING THE BOILER

The boiler must be disabled before any maintenance or repairs are carried out. If the

Change the boiler regulation as follows:

• Press ‘Enter’- key until codes p [ and [ 1 are displayed alternately.

central heating system is not used for a long time (during the holidays, for instance,
or periods of milder weather) it is advisable to disable the boiler.

• Press [+]- key 2x until codes p [ and [ 3 are displayed alternately.

• Press ‘Enter’-key: central heating and domestic hot water mode setting is
displayed.

• Press [-] or [+]- key to change this mode, e.g. level 3 (= central heating OFF

LT.NL.W6H.000.072

and domestic hot water ON).

• Press ‘Enter’- key to confirm this mode; codes p [ and [ 3 are displayed
alternately.

1. Disable boiler with frost protection, during longer periods of non-use

• Set the room thermostat to a low temperature, e.g. 10°C,

• Switch setting p4 to 1 (Eco mode), this will switch off the heat retention function.
Now the boiler will only start working to protect itself against freezing.
With an external frost protection connected, the boiler can also prevent the central
heating system from freezing.

• Press ‘Reset’- key to switch boiler to operating mode.

Broag Remeha 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, efficiency and performance.

Benchmark is managed and promoted by the Heating and Hotwater Industry Council.
For more information visit www.centralheating.co.uk

LT.AL.W7H.000.217 + LT.AL.W7H.000.218

Pre and After Sales Service

Our dedicated pre-and-after-sales teams are
ready te give you the support you need.
It’s an integral part of the quality package that
Broag offers as standard with all
products.

For all your queries just call the Avanta team
on: 0118 978 3434

Contact Information

Sales: 0118 9743060
After Sales: 0118 9743070
Literature: 0118 9743043
Training: 0118 9743020
Technical: 0118 9743070
Spares: 0118 9743070

www.avantarange.com

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