DeDietrich EFU C–S 32 FF, EFU C–S 19 FF, EFU C–S 24 FF User Manual

EASYLIFE

S U S T A I N A B L E C O M F O R T

®

Neovo

MW-8000030-5

Australia Jordan Lebanon Serbia Syria

en

User Manual

Oil-fired condensing boiler

NeOvo Condens

EFU C–S 19 FF
EFU C–S 24 FF
EFU C–S 32 FF

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

7718497 - v03 - 04012019 EFU-C S FF 3

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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

2 Symbols used . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1 Symbols used in the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2.2 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 Browsing in the menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

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

5.3 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.3.1 Switching off the heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

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

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

6.2.1 Description of the PCBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

6.2.2 Selecting a PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

6.3 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.3.1 Switching off the heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

6.3.2 Stopping domestic hot water production . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

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

6.4 Frost protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

7 Control panel settings B-Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.1 List of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.1.1 Information menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

7.2 Setting the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.2.1 Setting the heating water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24

7.2.2 Modifying the domestic hot water temperature setpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

8 Control panel settings IniControl 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8.1 List of parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

8.1.1 User menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

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

8.2 Setting the parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

8.2.1 Modifying the User parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

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

Contents

4 EFU-C S FF 7718497 - v03 - 04012019

8.2.3 Setting the domestic hot water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

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

8.2.5 Activating Manual Forcing for heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

8.3 Reading out measured values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

8.3.1 Control system sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

9 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9.2 Maintenance instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9.2.1 Check the hydraulic pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9.2.2 Topping up the installation with water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

9.3 Venting the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

10 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

10.1 Error messages B-Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

10.1.1 Error code display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

10.1.2 Fault code display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

10.2 Error messages IniControl 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

10.2.1 Error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

10.2.2 Accessing the error memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

11 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

11.1 Disposal and Recycling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

11.2 Energy savings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

12 Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

12.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

12.2 Terms of warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

13 Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

13.1 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

13.2 Product fiche - Temperature Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41

13.3 Product data sheet - Temperature controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

13.4 Product fiche . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

1 Safety

7718497 - v03 - 04012019 EFU-C S FF 5

1.1 General safety instructions

1 Safety

Danger
This appliance is not intended for use by persons
(including children) with reduced physical,
sensory or mental capabilities, or lack of
experience and knowledge, unless they have
been given supervision or instruction concerning
use of the appliance 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 genuine spare parts may be used.

Important
Only qualified professionals are permitted to
install 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
manual.

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.
Depending 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

6 EFU-C S FF 7718497 - v03 - 04012019

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
installation 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
persons with similar qualifications in order to
obviate any danger.

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

Caution

The boiler must always be connected to the
protective earthing.
Earthing must comply with the prevailing
installation standards.
Earth the appliance before making any electrical
connections.

For the type and calibre of the protective
equipment, 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.

Danger
If you smell flue gases:

1. Switch off the appliance.

2. Open the windows.

3. Evacuate the premises.

4. Contact a qualified professional.

1 Safety

7718497 - v03 - 04012019 EFU-C S FF 7

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
warranty.

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.

Important
Keep the boiler accessible at all times.

Caution
Install the boiler in a frost-free environment.

Important
Regularly check the presence of water and
pressure in the heating installation.

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

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

Important
Insulate the pipes to reduce heat losses to a
minimum.

1 Safety

8 EFU-C S FF 7718497 - v03 - 04012019

1.3 Liabilities

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.

1.3.1

Our products are manufactured in compliance with the
requirements of the various Directives applicable. They
are therefore delivered with the
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 and
maintaining the appliance.
Failure to abide by the instructions on using the
appliance.
Faulty or insufficient maintenance of the appliance.

1.3.2

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

Manufacturer's liability

marking and any

Installer's liability

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

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.

1 Safety

7718497 - v03 - 04012019 EFU-C S FF 9

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
carried out by a qualified installer.
Keep the instruction manuals in good condition close
to the appliance.

1 2

MW-1000123-2

1

2

3

4

5

6

2 Symbols used

10 EFU-C S FF 7718497 - v03 - 04012019

2 Symbols used

2.1 Symbols used in the manual

This manual uses various danger levels to draw attention to special
instructions. 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
injury.

Caution
Risk of material damage.

2.2 Symbols used on the appliance

Fig.1

Important
Please note: important information.

See
Reference to other manuals or pages in this manual.

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

recycling 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.

3 Technical specifications

7718497 - v03 - 04012019 EFU-C S FF 11

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 EMAG content of 7 %

(1)

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

6 mm2/s at 20 °C

Standard fuel oil

Low-sulphur oil

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

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

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

(1)

(1)

6 mm2/s at 20 °C

6 mm2/s at 20 °C

6 mm2/s at 20 °C

6 mm2/s at 20 °C

3.2 Technical data

Tab.2 Technical parameters for boiler space heaters

Product name EFU C–S

19 FF

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 Yes Yes Yes

Rated heat output

Useful heat output at rated heat output and high tempera
ture regime

(2)

Useful heat output at 30% of rated heat output and low tem
perature regime

(1)

Seasonal space heating energy efficiency

Useful efficiency at rated heat output and high temperature

(2)

regime

Useful efficiency at 30% of rated heat output and low tem
perature regime

(1)

Prated
P

4

P

1

ƞ

s

ƞ

4

ƞ

1

kW 18 23 31

kW 18.3 23.1 30.7

kW 5.8 7.3 9.6

% 88 89 88

% 90.4 90.3 89.8

% 95.2 94.6 93.7

Auxiliary electricity consumption

Full load

Part load

Stand-by

elmax
elmin
P

SB

kW 0.194 0.154 0.156

kW 0.076 0.063 0.066

kW 0.004 0.004 0.004

Other specifications

Standby heat loss

Ignition burner power consumption

P

stby

P

ign

kW 0.084 0.084 0.100

kW - - -

EFU C–S
24 FF

EFU C–S
32 FF

3 Technical specifications

12 EFU-C S FF 7718497 - v03 - 04012019

Product name EFU C–S

19 FF

Annual energy consumption

Sound power level, indoors

Emissions of nitrogen oxides NO

(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.

Q

HE

L

WA

x

GJ 59 74 101

dB 60 60 60

mg/kWh 118 118 118

EFU C–S
24 FF

EFU C–S
32 FF

See
The back cover for contact details.

4 Description of the product

MW-5000451-1

2

1

3

4

MW-5000031-3

7718497 - v03 - 04012019 EFU-C S FF 13

4.1 General description

4 Description of the product

Floor-standing condensing oil boilers from the EFU-C S FF range have the
following 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 forced flue type connection

4.2

Main components

4.2.1

Fig.2

1
2
3 Access to the burner manual reset button
4

4.3 Description of the control panel B-Control

4.3.1 Description of the keys

Boiler

Control panel
On/Off switch

Data plate

Fig.3

Heating temperature setting button

Level access key: Information, Installer or Chimney Sweep
Manual reset key
Domestic hot water temperature setting button

h

MW-3000235-3

MW-1000043-5

1 2 3 4

MW-1000085-4

MW-1000083-5

4 Description of the product

14 EFU-C S FF 7718497 - v03 - 04012019

4.3.2 Description of the display

Fig.4

4.4

Fig.5

Description of the control panel IniControl 2

4.4.1 Description of the keys

1

2

3

Hour run meter
Malfunctions
Maintenance
Reset necessary

Burner status

Heating mode

Outside temperature sensor
Domestic hot water mode

: back to the previous level without saving the modifications

made

: manual reset

: accessing the heating parameters

: lowering the value

: accessing the domestic hot water parameters

: raising the value

Fig.6

Fig.7

4

: MODE display

: accessing the menu selected or confirming the value

modification

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

Menu display

MW-1000670-1

MW-1000683-2

...CUO / H04...

MW-1000687-1

...SCB / 04- / B...

MW-1000575-2

7718497 - v03 - 04012019 EFU-C S FF 15

4 Description of the product

Fig.8

Fig.9

Fig.10

Information menu: displays the measured values and the statuses
of the appliance
User menu: provides access to the User level setting parameters

Installer menu: provides access to the Installer level setting
parameters
Manual Forcing menu: the appliance runs at the set point
displayed, the pumps operate and the three-way valves are not
controlled.
Malfunction menu: the appliance has malfunctioned. This
information is signalled by an error code and a flashing display.

Sub-Menu COUNTERS
TIME PROG sub-menu: Timer programming dedicated to
heating and domestic hot water production

Sub-Menu CLOCK
PCB selection menu: access to information on the additional PCBs
connected

Display of PCB names

The name of the PCB for which the parameters are displayed is
shown as 3 characters.

CU-OH04 central unit PCB for the boiler

Fig.11

Fig.12

SCB-04B additional PCB: 2nd circuit

COUNTERS / TIME PROG / Sub-Menus CLOCK

COUNTERS sub-menu (CNT)

TIME PROG sub-menu: Timer programming dedicated to

heating and domestic hot water production (CIRC A, CIRC B,

ECS)

Timer program for Monday
Timer program for Tuesday
Timer program for Wednesday
Timer program for Thursday
Timer program for Friday
Timer program for Saturday
Timer program for Sunday

CLOCK sub-menu (CLK)