NeOvo EFU C 50, EFU 22, EFU 29, EFU C 19, EFU C 32 User Manual

NeOvo

en

User Manual

Oil-fired Condensing Boiler

NeOvo Condens

EFU C 19
EFU C 24
EFU C 32

Dear Customer,

Thank you very much for buying this appliance.

Please read through the manual carefully before using the product, and keep it in a safe place for later reference. In order to
ensure continued safe and efficient operation we recommend that the product is serviced regularly. Our service and customer
service organisation can assist with this.

We hope you enjoy years of problem-free operation with the product.

Contents

1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.2 Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.3 Liabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3.1 Manufacturer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3.2 Installer's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1.3.3 User's liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

2 About this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1 Symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1.1 Symbols used in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1.2 Symbols used on the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

3 Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1 Homologations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1.1 Certifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.1.2 Oil categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

3.2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

4 Description of the product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1 General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

4.2 Main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2.1 Boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.3 Description of the control panel B-Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.3.1 Description of the keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.3.2 Description of the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

4.4 Description of the control panel IniControl 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.4.1 Description of the keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.4.2 Description of the display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

5 Utilisation with the control panel B-Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.1 Use of the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.1.1 Browsing in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.2 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.3 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.3.1 Switching off the heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.3.2 Stopping domestic hot water production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.3.3 Shutting down the installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.4 Frost Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

6 Utilisation with the control panel IniControl 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.1 Use of the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.1.1 Browsing in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.2 Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

6.2.1 Selecting a PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.3 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.3.1 Switching off the heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.3.2 Stopping domestic hot water production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.3.3 Shutting down the installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

6.4 Frost Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

7 Control panel settings B-Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.1 List of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.1.1 Information menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

7.2 Setting the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.2.1 Setting the heating water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

7.2.2 Modifying the domestic hot water temperature setpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

8 Control panel settings IniControl 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.1 List of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.1.1 User menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8.1.2 COUNTERS/TIME PROG/CLOCK menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28

8.2 Setting the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Contents

7640198 - v03 - 12012017 EFU C 3

8.2.1 Modifying the User parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

8.2.2 Setting the heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

8.2.3 Setting the domestic hot water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

8.2.4 Setting the timer programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

9 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

9.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

9.2 Maintenance instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

9.2.1 Check the hydraulic pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

9.2.2 Topping up the installation with water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

9.3 Venting the installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

10 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

10.1 Error messages B-Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

10.1.1 Error code display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

10.1.2 Fault code display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

10.2 Error messages IniControl 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

10.2.1 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

10.2.2 Accessing the error log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

11 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

11.1 Disposal and Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

11.2 Energy savings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

12 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

12.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

12.2 Terms of warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

13 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

13.1 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

13.2 Product fiche - Temperature Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

13.3 Product data sheet - Temperature controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

13.4 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Contents

4 EFU C 7640198 - v03 - 12012017

1 Safety

1.1 General safety instructions

Danger
This appliance is not intended for use by persons
(including children) with reduced physical, senso
ry or mental capabilities, or lack of experience
and knowledge, unless they have been given su
pervision or instruction concerning use of the ap
pliance by a person responsible for their safety.
Children should be supervised to ensure that they
do not play with the appliance.

Danger of electric shock
Before any work, switch off the mains supply to
the boiler.

Caution
Only use original spare parts.

Important
Only qualified professionals are permitted to in
stall the boiler, in accordance with prevailing local
and national regulations.

Important
Allow the space required to correctly install the
boiler. Refer to the Overall space needed for the
boiler section in the installation and service man
ual.

Warning
Do not touch the flue gas pipes. Depending on
the boiler settings, the temperature of the flue gas
pipes may exceed 60°C.

Warning
Do not touch the radiators for long periods. De
pending on the boiler settings, the temperature of
the radiators may exceed 60°C.

Warning
Take precautions with the domestic hot water.
Depending on the boiler settings, the domestic
hot water temperature may exceed 65°C.

Warning
Only qualified professionals are authorised to
work on the boiler and the heating system.

1 Safety

7640198 - v03 - 12012017 EFU C 5

Important
The installation must comply on all points with
prevailing regulations and directives, which gov
ern work and interventions in individual homes,
blocks of flats and other buildings.

Hydraulic safety

Important
Respect the minimum and maximum water inlet
pressure to ensure correct operation of the boiler:
refer to the chapter Technical Specifications.

Electrical safety

Caution
A disconnection method must be allowed in the
fixed pipes in accordance with the rules on instal
lation in force in the country.

Caution
If a power cord comes with the appliance and it
turns out to be damaged, it must be replaced by
the manufacturer, its after sales service or per
sons with similar qualifications in order to obviate
any danger.

Important
The installation must comply on all points with
prevailing regulations and directives, which gov
ern work and interventions in individual homes,
blocks of flats and other buildings.

Caution

The boiler must always be connected to the pro
tective earthing.
Earthing must comply with the prevailing instal
lation standards.
Earth the appliance before making any electrical
connections.

For the type and calibre of the protective equip
ment, refer to the chapter Electrical Connections
in the Installation and Service Manual.

Danger of electric shock
Only qualified professionals are permitted access
to the inside of the appliance, in accordance with
the prevailing electrical safety standard.

1 Safety

6 EFU C 7640198 - v03 - 12012017

Danger
If you smell flue gases:

1. Switch off the appliance.

2. Open the windows.

3. Evacuate the premises.

4. Contact a qualified professional.

Caution
Do not neglect to service the boiler. Contact a
qualified professional or take out a maintenance
contract for the obligatory annual servicing of the
boiler.
Failure to service the appliance voids the warran
ty.

Important
This manual can also be found on our internet
site.

1.2

Recommendations

Caution
The system must satisfy each point in the rules
(DTU, EN and others, etc.) that govern works and
interventions in individual homes, blocks of flats
or other buildings.

Note
Keep the boiler accessible at all times.

Caution
Install the boiler in a frost-free environment.

Note
Regularly check the presence of water and pres
sure in the heating system.

Important
Never remove or cover labels and data plates af
fixed to the appliances. Labels and data plates
must be legible throughout the entire lifetime of
the appliance.
Immediately replace damaged or illegible instruc
tions and warning stickers.

Important
Remove the casing only to perform maintenance
and repair work. Put the casing back in place af
ter maintenance and repair work.

1 Safety

7640198 - v03 - 12012017 EFU C 7

Important
Insulate the pipes to reduce heat losses to a mini
mum.

Caution
Have the boiler and heating system drained by a
qualified professional if the home is left empty for
a long period of time and there is a chance of
frost.

1.3

Liabilities

1.3.1

Manufacturer's liability

Our products are manufactured in compliance with the
requirements of the various Directives applicable. They
are therefore delivered with the

marking and any
documents necessary. In the interests of the quality of
our products, we strive constantly to improve them. We
therefore reserve the right to modify the specifications
given in this document.

Our liability as manufacturer may not be invoked in the
following cases:

Failure to abide by the instructions on installing the
appliance.
Failure to abide by the instructions on using the appli
ance.
Faulty or insufficient maintenance of the appliance.

1.3.2

Installer's liability

The installer is responsible for the installation and initial
commissioning of the appliance. The installer must ob
serve the following instructions:

Read and follow the instructions given in the manuals
provided with the appliance.
Install the appliance in compliance with prevailing leg
islation and standards.
Carry out initial commissioning and any checks neces
sary.
Explain the installation to the user.
If maintenance is necessary, warn the user of the obli
gation to check the appliance and keep it in good
working order.
Give all the instruction manuals to the user.

1 Safety

8 EFU C 7640198 - v03 - 12012017

1.3.3

User's liability

To guarantee optimum operation of the system, you
must abide by the following instructions:

Read and follow the instructions given in the manuals
provided with the appliance.
Call on a qualified professional to carry out installation
and initial commissioning.
Get your installer to explain your installation to you.
Have the required inspections and maintenance car
ried out by a qualified installer.
Keep the instruction manuals in good condition close
to the appliance.

1 Safety

7640198 - v03 - 12012017 EFU C 9

2 About this manual

2.1 Symbols used

2.1.1 Symbols used in the manual

This manual uses various danger levels to draw attention to special in
structions. We do this to improve user safety, to prevent problems and to
guarantee correct operation of the appliance.

Danger
Risk of dangerous situations that may result in serious personal
injury.

Danger of electric shock
Risk of electric shock.

Warning
Risk of dangerous situations that may result in minor personal in
jury.

Caution
Risk of material damage.

Important
Please note: important information.

See
Reference to other manuals or pages in this manual.

2.1.2 Symbols used on the appliance

1 Alternating current.
2 Protective earthing.
3 Before installing and commissioning the appliance, carefully read

the instruction manuals provided.

4 Dispose of used products through an appropriate recovery and re

cycling structure.

5 Caution: danger of electric shock, live parts. Disconnect the mains

power prior to carrying out any work.

6 Connect the appliance to the protective earthing.

Fig.1 Symbols used on the appliance

1 2

MW-1000123-2

1

2

3

4

5

6

2 About this manual

10 EFU C 7640198 - v03 - 12012017

3 Technical specifications

3.1 Homologations

3.1.1 Certifications

The boiler complies with current standards.

CE identification number: 0085CQ0002

3.1.2 Oil categories

Tab.1

Type of oil that can be used Maximum viscosity

GNR
Non-road diesel with a maximum FAME content of 7 %

(1)

Note
To be used exclusively for a boiler fitted with a burner with a heater.

6 mm2/s at 20 °C

Standard fuel oil

6 mm2/s at 20 °C

Low-sulphur oil

6 mm2/s at 20 °C

Bio-oil B10
Mixture of low-sulphur oil (<50 mg/kg) plus 5.9 to 10.9% (in volume) of FAME

(1)

6 mm2/s at 20 °C

Bio-oil B5 (or Bio 5)
Mixture of low-sulphur oil (<50 mg/kg) plus 3 to 5.9% (in volume) of FAME

(1)

6 mm2/s at 20 °C

(1) Liquid petroleum products — Fatty Acid Methyl Esters used as heating fuel

3.2

Technical data

Tab.2 Technical parameters for boiler space heaters

Product name EFU C 19 EFU C 24 EFU C 32

Condensing boiler Yes Yes Yes

Low-temperature boiler

(1)

No No No

B1 boiler No No No

Cogeneration space heater No No No

Combination heater No No No

Rated heat output

Prated

kW 18 23 31

Useful heat output at rated heat output and
high temperature regime

(2)

P

4

kW 18.3 23.1 30.7

Useful heat output at 30% of rated heat output
and low temperature regime

(1)

P

1

kW 5.8 7.3 9.6

Seasonal space heating energy efficiency

ƞ

s

% 88 89 88

Useful efficiency at rated heat output and high
temperature regime

(2)

ƞ

4

% 90.4 90.3 89.8

Useful efficiency at 30% of rated heat output
and low temperature regime

(1)

ƞ

1

% 95.2 94.6 93.7

Auxiliary electricity consumption

Full load

elmax

kW 0.172 0.143 0.143

3 Technical specifications

7640198 - v03 - 12012017 EFU C 11

Product name EFU C 19 EFU C 24 EFU C 32

Part load

elmin

kW 0.096 0.069 0.077

Stand-by

P

SB

kW 0.004 0.004 0.004

Other specifications

Standby heat loss

P

stby

kW 0.084 0.084 0.100

Ignition burner power consumption

P

ign

kW - - -

Annual energy consumption

Q

HE

GJ 59 74 101

Sound power level, indoors

L

WA

dB 63 63 63

Emissions of nitrogen oxides NO

X

mg/kWh 116 116 116

(1) Low temperature means for condensing boilers 30°C, for low temperature boilers 37°C and for other heaters 50°C return temperature

(at heater inlet).

(2) High temperature regime means 60°C return temperature at heater inlet and 80°C feed temperature at heater outlet.

See
The back cover for contact details.

3 Technical specifications

12 EFU C 7640198 - v03 - 12012017

4 Description of the product

4.1 General description

Floor-standing condensing oil boilers from the EFU C range have the fol
lowing specifications:

Heating only with possibility to produce domestic hot water by combining
them with a domestic hot water tank
High-efficiency heating
Low polluting emissions
Heating body in cast iron
Condenser with ceramic pipes and stainless steel walls
Pre-assembled and pre-set oil burner
Electronic control panel
Flue gas discharge via a chimney type connection
Flue gas evacuation via a forced flue connection with combustive air in
let kit

4.2

Main components

4.2.1

Boiler

1

Control panel

2

On/Off switch
3 Access to the burner manual reset button
4

Data plate

4.3 Description of the control panel B-Control

4.3.1

Description of the keys

Heating temperature setting button

Level access key: Information, Installer or Chimney Sweep

Manual reset key

Domestic hot water temperature setting button

Fig.2

MW-5000451-1

2

1

3

4

Fig.3

MW-5000031-3

4 Description of the product

7640198 - v03 - 12012017 EFU C 13

4.3.2 Description of the display

Hour run meter

Malfunctions

Maintenance

Reset necessary

Burner status

Heating mode

Outside temperature sensor

Domestic hot water mode

4.4 Description of the control panel IniControl 2

4.4.1 Description of the keys

1

h

: back to the previous level without saving the modifications

made

: manual reset

2

: accessing the heating parameters

: lowering the value

3

: accessing the domestic hot water parameters

: raising the value

4

: MODE display

: accessing the menu selected or confirming the value modifi

cation

4.4.2 Description of the display

Burner Operation

Burner ON

Operating modes

Steady symbol: heating function enabled

Flashing symbol: heating production running

Steady symbol: domestic hot water function enabled

Flashing symbol: domestic hot water production running

Heating function disabled

Domestic hot water function disabled

Fig.4

MW-3000235-3

Fig.5

MW-1000043-5

1 2 3 4

Fig.6

MW-1000085-4

Fig.7

MW-1000083-5

4 Description of the product

14 EFU C 7640198 - v03 - 12012017