background image

75

EN

–  press the button 

>

 to scroll up the list of parameters and then 

<

 to scroll down the list

NB:

  holding  the  buttons 

>

  or 

<

  increases  the  speed  of  the 

scrolling movement.

–  once  the  required  parameter  has  been  reached,  press  the 

button 

o

 for approximately 3 seconds to confirm and access 

the set value which will then flash and can then be modified

–  to modify the value in the permitted range, press the buttons 

>

 to increase it or  

<

 to decrease it

–  once the required value has been reached, press the button 

o

 to confirm.

When all the parameter modifications have been made, exit the 

parameter menu by pressing and holding down the buttons 

<

 

and 

o

 

 at the same time

 for approximately 5 seconds until the 

initial screen is displayed.

3.4 

List of parameters

Type

No.

Description

Range

U/M

Step

Default

CONFIGURATION

tS

0.1

Index showing boiler power in kW

0 = 24

-

-

-

0

tS

0.2

Hydraulic configuration

0 = rapid

1 = storage tank with thermostat or heating only

2 = hot water tank with sensor

3 = two programmer

4=instant with solar power input

0 .. 4

-

1

0

tS

0.3

Gas Type Configuration

0 = G20; 1 = G31

0 .. 1

-

1

0 or 1

tS

0.4

Combustion configuration

0 = sealed chamber with combustion control

1 = open chamber with smoke thermostat

2 = low NOx

0 .. 2

-

1

1

tS

0.8

External sensor value correction

-5 .. +5

°C

1

0

DOMESTIC HOT WATER - HEATING

tS

1.0

Boiler Antifreeze Threshold

0 .. +10

°C

1

3

tS

1.1

External Sensor Antifreeze Threshold

-- = Disabled

-9 .. +5

°C

1

-2

tS

1.2

Heating Curve Incline

0 .. 80

-

1

20

tS

1.3

Minimum Heating Temperature Adjustment

20 .. Par tS 1.4

°C

1

20

tS

1.4

Maximum Heating Temperature Adjustment

Par tS 1.3 .. 80

°C

1

80

tS

1.5

Maximum power heating

0 .. 100

%

1

100

tS

1.6

Heating Post-Circulation Time

0 .. 99

seconds 

x 10

1

3

tS

1.7

Heating Pump Activation Delay

0 .. 60

seconds 

x 10

1

0

tS

1.8

Re-ignition Delay

0 .. 60

Min

1

3

tS

1.9

Domestic Hot Water Modulation with Flow meter

0 = Disabled

1 = Enabled

0 .. 1

-

1

1

tS

2.0

Maximum power domestic hot water

0 .. 100

%

1

100

tS

2.1

Minimum power heating/domestic hot water (premixed)

0 .. 100

%

1

0

tS

2.2

Domestic hot water preheating enabling

0 = OFF;  1 = ON

0 .. 1

-

1

0

tS

2.5

Internal parameter (no change)

-

-

-

0

tS

2.6

Zone Valve / Pump Relaunch Delay

0 .. 99

Min

1

1

tS

2.9

Anti-legionella Function (Only hot water tank)

-- = Disabled

50 .. 80

-

1

--

Summary of Contents for Brava One 25 OF ErP

Page 1: ...parede de baixa temperaturao Low temperature wall mounted boiler Навесные низкотемпературные котлы MANUAL DE INSTALACIÓN Y MANTENIMIENTO MANUAL PARA A INSTALAÇÃO E A MANUTENÇÃO INSTALLATION AND MAINTENANCE MANUAL ИНСТРУКЦИЯ ПО МОНТАЖУ И ТЕХНИЧЕСКОМУ ОБСЛУЖИВАНИЮ BRAVA ONE OF ErP EN PT ES RU ...

Page 2: ...1 3 1 Technical Data Plate 61 1 4 Structure 62 1 5 Technical features 63 1 6 Main water circuit 64 1 7 Sensors 64 1 8 Expansion vessel 64 1 9 Circulation pump 65 1 10 Control panel 65 1 11 Wiring diagram 66 2 INSTALLATION 67 2 1 Receiving the product 67 2 2 Dimensions and weight 67 2 3 Handling 67 2 4 Installation room 67 2 5 New installation or installation of a replacement appliance 68 2 6 Clean...

Page 3: ...ion operations issue a statement of compliance with national and local Technical Standards and Legislation in force RESTRICTIONS d IT IS FORBIDDEN The appliance is not to be used by children or unassisted disabled persons Do not use electrical devices or appliances such as switches electrical appliances etc if you can smell fuel If this should happen open the doors and windows to air the room clos...

Page 4: ...tically every 24 hours if no request for heat has been made the chimney sweep function lasts 15 minutes and makes the job of the qualified technician easier when measuring the parameters and combustion efficiency and when checking gas pressure at the nozzles screen display of the operating and self diagnostic parameters with error code display when the fault occurs This makes repair interventions ...

Page 5: ...NO YEAR OF MANUFACTURE SERIAL NUMBER NAME MAX USEFUL OUTPUT 50 30 C MAX OPERATING PRESSURE MAX USEFUL OUTPUT 80 60 C MAX HEAT INPUT WATER CONTENT IN BOILER FLOW RATE MAX OPERATING PRESSURE ELECTRICAL SUPPLY MAXIMUM ABSORBED POWER MAX HEAT INPUT COUNTRY OF INTENDED INSTALLTION APPLIANCE CATEGORY D H W CONTENT Fig 2 m CAUTION Tampering with removing or failing to display the identification plate or ...

Page 6: ...ition detection electrode 6 Diverter valve 7 System filling unit 8 Domestic hot water sensor 9 Control panel 10 Secondary heat exchanger 11 Gas valve 12 Domestic water filter and flow regulator 13 System relief valve 14 Boiler drain 15 System pump 16 Water pressure switch 17 Automatic bleed valve 18 Burner 19 Primary heat exchanger 20 Expansion vessel 21 Smoke outlet Fig 3 ...

Page 7: ...FORMANCE HEATING Heating seasonal energy efficiency class C Heating seasonal energy efficiency 79 Sound power db A 48 DOMESTIC HOT WATER Domestic hot water energy efficiency class B Domestic hot water energy efficiency 73 Stated domestic hot water profile load XL ELECTRICAL SPECIFICATIONS Power supply voltage V 230 Frequency Hz 50 Absorbed electrical power Qn max W 79 Absorbed electrical power at ...

Page 8: ...of Temperature Detected Resistance Examples of reading TR 75 C R 1925Ω TR 80 C R 1669Ω TR 0 C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 C 9 C Resistance R Ω 0 C 27279 17959 12090 8313 5828 4161 3021 2229 1669 1266 973 26135 17245 11634 8016 5630 4026 2928 2164 1622 1232 25044 16563 11199 7731 5440 3897 2839 2101 1577 1199 24004 15912 10781 7458 5258 3773 2753 2040 1534 1168 23014 15289 10382 7196 5082 3653 26...

Page 9: ...these buttons for more than 30 seconds generates a fault on the display without preventing boiler operation The warning disappears when normal conditions are restored 3 DISPLAY l SUMMER This symbol appears when the boiler is operating in Summer mode or if only the domestic hot water mode is enabled via the remote control If the symbols l and n are flashing this indicates that the chimney sweep fun...

Page 10: ...re switch TA Air thermostat SE External sensor CR Remote control instead of air thermostat To connect the Air Thermostat or alternatively the Remote Control remove the bridge between terminals 5 6 Fig 8 m CAUTION Users must Use an omnipolar cut off switch disconnect switch in compliance with EN Standards Respect the connections L Live N Neutral Ensure that the special power cable is only replaced ...

Page 11: ... 26 2 3 Handling Once the packaging has been removed the appliance is to be handled manually tilting it slightly lifting it and applying pressure in the points indicated in the figure Fig 11 d IT IS FORBIDDEN DO NOT hold onto the appliance cladding but use the solid parts such as the base and the rear structure a DANGER Use suitable tools and accident protection when removing the packaging and whe...

Page 12: ...m it is recommended that the user puts a descaling additive into the water system allows the system to work with the generator active for a few days drains the dirty water from the system and flushes the system with clean water once or more than once If the old generator has already been removed or is not available replace it with a pump to circulate water in the system and then proceed as describ...

Page 13: ...ntire GAS CONVERSION phase of the appliance Boiler connection to the gas mains must be carried out in full compliance with installation Standards in force Before connecting the boiler to the gas mains the user must ensure that the type of gas is correct for the appliance the pipes are clean the gas supply pipe is the same dimension as or greater than that of the boiler fitting G3 4 and with a load...

Page 14: ...092281 m CAUTION The maintenance interventions described must ONLY be carried out the professionally qualified personnel a DANGER Before carrying out any interventions described set the main system switch to OFF close the gas valve make sure that no hot parts inside the appliance are touched OFF Fig 16 To facilitate introduction of the connection wires of the optional components into the boiler re...

Page 15: ...ns provided on the packaging of the product itself Climatic curve Delivery temperature 20 15 10 5 0 10 15 5 20 80 90 70 60 50 40 30 20 C C K 9 K 6 K 4 5 K 3 K 2 2 K 1 5 K 0 75 External temperature Fig 21 m CAUTION If there is an external sensor turn the heating knob t until the required curve K has been selected within the rangeK 0 0 K 9 0 in order to select the optimal climatic curve for the syst...

Page 16: ...alves Heating circuit open the isolation and air bleeding valves in the highest points of the system loosen the automatic bleed valve 3 open the isolation valves of the heating circuit if present open the filling valve 4 and fill the heating system until a pressure of 1 1 2 bar is shown on the display close the filling valve 4 check that there is no air in the system by bleeding all the radiators ...

Page 17: ...water valve to fill and bleed the domestic hot water circuit Boiler loosen the automatic bleed valve 3 close the heating circuit isolation valves prearranged in installation check that the filling valve 4 is closed connect a rubber hose to the boiler drain valve 7 and open it when it has fully emptied close the drain valve 7 close the automatic bleed valve 3 4 3 7 Fig 28 ...

Page 18: ...han one hot water tap The boiler will work at maximum power until the taps are closed if there is a fault the message AL will appear on the display followed by the fault code eg 06 no flame detected m CAUTION If the boiler has blocked restore the start conditions by pressing and holding the button o R for more than 3 seconds This operation can be carried out no more than 6 times close the taps ope...

Page 19: ...lar power input 0 4 1 0 tS 0 3 Gas Type Configuration 0 G20 1 G31 0 1 1 0 or 1 tS 0 4 Combustion configuration 0 sealed chamber with combustion control 1 open chamber with smoke thermostat 2 low NOx 0 2 1 1 tS 0 8 External sensor value correction 5 5 C 1 0 DOMESTIC HOT WATER HEATING tS 1 0 Boiler Antifreeze Threshold 0 10 C 1 3 tS 1 1 External Sensor Antifreeze Threshold Disabled 9 5 C 1 2 tS 1 2 ...

Page 20: ...s the button o R for approximately 3 seconds to start the appliance up again 3 5 Fault malfunction codes Type No Description AL 01 Smoke thermostat AL 02 Low water pressure in system AL 04 Domestic hot water sensor fault AL 05 Delivery sensor fault AL 06 No flame detection AL 07 Sensor or safety thermostat intervenes AL 08 Fault in the flame detection circuit AL 09 No water circulating in the syst...

Page 21: ...0 99 bar 0 1 TABLE OF COUNTER DISPLAYED Type No Description Range U M Step CO 0 0 total no of boiler operating hours 0 99 h x 1000 0 1 from 0 0 to 9 9 1 from 10 to 99 CO 0 1 total no of burner operating hours 0 99 h x 1000 0 1 from 0 0 to 9 9 1 from 10 to 99 CO 0 2 total no of burner ignitions 0 99 h x 1000 0 1 from 0 0 to 9 9 1 from 10 to 99 CO 0 3 total no faults 0 99 x 1 1 CO 0 4 total no of ti...

Page 22: ...e button once again to make the boiler operate at maximum power If the gas pressure values are correct it is possible to determine the combustion data and take a reading of the combustion efficiency as provided for by legislation in force press the button s to exit the Chimney sweep Procedure The boiler water delivery temperature will appear on the display close the taps opened previously and chec...

Page 23: ... once the value indicated in the table has been reached press the button sfor approximately 2 seconds to confirm the value which will then flash once pressandholddownthebuttonsoandsatthesametimefor approximately 6 seconds until the water delivery temperature appears on the display and the boiler shuts down starts up close the valves which were opened previously 3 8 Gas conversion Brava One OF ErP ...

Page 24: ...de is essential for the correct detection of current ionization apply the label indicating the new gas configuration on the technical data plate 11 on the inside of the front panel carry out the Automatic calibration procedure and then refit the front panel 2 securing it with the two screws 1 1 2 14 Fig 39 3 9 Automatic calibration procedure This procedure MUST BE CARRIED OUT after replacing the n...

Page 25: ...to the parameter section if not already there by pressing the buttons and o approximately 5 seconds at the same time until tS installer appears on the 2 digits of the display which alternate with 0 1 parameter number and a 2 set value keep the button pressed and scroll through the parameters until reaching parameter tS 4 9 press the button oto confirm approximately 3 seconds and access the default...

Page 26: ...ure press the button o twice the message P00 will appear on the display press the buttons or until the pressure value indicated in the table appears on the pressure gauge once the value indicated in the table has been reached press the button sfor approximately 2 seconds to confirm the value which will then flash once pressandholddownthebuttonsoandsatthesametimefor approximately 6 seconds until th...

Page 27: ...aning the heat exchanger To clean the heat exchanger remove the two screws 1 pull the front panel 2 forwards and release it from the top by lifting it 1 2 Fig 43 remove the four screws 3 and remove the front panel 4 from the combustion chamber working carefully so as not to damage the gasket or the panel insulation 3 4 5 6 Fig 44 if there is any dirt on the heat exchanger 5 fins protect the burner...

Page 28: ... input 0 tS 0 3 Gas Type Configuration 0 G20 1 G31 0 or 1 tS 0 4 Combustion configuration 0 sealed chamber with combustion control 1 open chamber with smoke thermostat 2 low NOx 1 To enter Parameter setting and display refer to the indications provided in the specific section Once the parameters in the table have been set you must carry out the Automatic calibration procedure If the gas valve and ...

Page 29: ...43 Open Therm communication fault Check the electrical connection of the remote control AL 44 Anomaly inside electronic board Replace the board AL 62 The self calibrating procedure must be carried out Carry out the self calibrating procedure see the specific section AL 72 Incorrect positioning of the delivery sensor Check that the delivery sensor is attached to the delivery pipe AL 74 Fault in the...

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