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Ferroli 0T4D1AWA, Instructions For Use, Installation & Maintenance

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Ferroli 0T4D1AWA Instructions For Use, Installation & Maintenance Download Page 10

305

EN

cod. 3541V481  -  Rev. 00  -  06/2021

Turning the boiler off and on

Changing from one mode to another is possible by repeatedly pressing the button 

, following

the sequence shown in fig. 11.

A =

“Summer” mode - 

B =

 “Winter” mode - 

C =

 “Off” mode

To turn the boiler off, repeatedly press the button 

 until detail 

C

 of fig. 11 is displayed.

fig. 11- Turning the boiler off

When the boiler is turned off, the PCB is still powered. DHW and heating are disabled. The frost
protection system remains on. To relight the boiler, press the button 

.

The boiler will be immediately ready in Winter and DHW mode.

B

The frost protection system does not work when the power
and/or  gas  to  the  unit  are  turned  off.  To  avoid  damage
caused by freezing during long shutdowns in winter, it is
advisable to drain all water from the boiler, the DHW circuit
and the heating system water; or drain just the DHW cir-
cuit and add a suitable antifreeze to the heating system,
as prescribed in sec. 2.3.

Summary of Contents for 0T4D1AWA

Page 1: ...INSTRUCTIONS FOR USE INSTALLATION AND MAINTENANCE ...

Page 2: ...ge or injury The manufacturer declines any liability for damage caused by errors in installa tion and use or by failure to follow the instructions pro vided Before carrying out any cleaning or maintenance operation disconnect the unit from the power supply using the system switch and or the special cut off devices In case of a fault and or poor operation deactivate the unit and do not try to re pa...

Page 3: ...erience or the necessary knowledge only if under supervision or they have received instructions on its safe use and the re lated risks Children must not play with the unit Cleaning and maintenance intended to be done by the user can be carried out by children aged at least 8 years only if under supervi sion In case of doubt do not use the unit Contact the suppli er The unit and its accesso ries mu...

Page 4: ...lumbing connections 316 2 4 Gas connection 318 2 5 Electrical connections 318 2 6 Fume ducts 321 2 7 Condensate drain connection 327 3 Service and maintenance 328 3 1 Adjustments 328 3 2 Commissioning 335 3 3 Maintenance 336 3 4 Troubleshooting 343 4 Technical data and characteristics 346 4 1 Dimensions and connections 346 4 2 General view 347 4 3 Hydraulic circuit 347 4 4 Technical data table 348...

Page 5: ...o 5 C A The boiler is arranged for connection to an external storage tank for hot water op tional In this manual all the functions relevant to domestic hot water production are only active with the optional hot water tank connected as indicated in sec 2 3 1 2 Control panel fig 1 Control panel Panel legend fig 1 1 DHW temperature setting decrease button 2 DHW temperature setting increase but ton 3 ...

Page 6: ...ted by the flashing radiator symbol When the burner is lit the flame symbol ap pears and the 3 levels indicate the actual in tensity fig 2 DHW domestic hot water A DHW request generated by the hot water tank probe is indicated by the faucet icon flashing When the burner is lit the flame symbol ap pears and the 3 levels indicate the actual in tensity fig 3 ...

Page 7: ...he display shows the fault code with different graphics depending on the type A type fault fig 5 For this fault manual intervention is required by pressing the button for about 2 seconds Then confirm with the button F type fault fig 4 A fault which will be automatically reset after the problem has been eliminat ed Message type fault fig 6 The fault is such as not to compromise boiler operation The...

Page 8: ...e display shows the software version of the board and display fig 7 For the following 20 seconds the display will show FH which identifies the heating system air venting cycle with the fan running fig 8 In the next 280 seconds the venting cycle continues with the fan off fig 9 Open the gas valve ahead of the boiler When the message Fh disappears the boiler is ready to operate automatically wheneve...

Page 9: ...304 EN cod 3541V481 Rev 00 06 2021 To interrupt the venting phase FH or Fh keep the button pressed for about 2 seconds until the symbol appears on the display Confirm by pressing the button fig 10 ...

Page 10: ...ed off the PCB is still powered DHW and heating are disabled The frost protection system remains on To relight the boiler press the button The boiler will be immediately ready in Winter and DHW mode B The frost protection system does not work when the power and or gas to the unit are turned off To avoid damage caused by freezing during long shutdowns in winter it is advisable to drain all water fr...

Page 11: ...n until the snowflake appears fig 12 Summer fig 13 Winter Heating temperature adjustment Use the heating buttons details 3 and 4 fig 1 to adjust the temperature from a mini mum of 20 C to a maximum of 80 C The maximum value can be changed inside the parameters menu TSP via parameter P40 fig 14 DHW temperature adjustment Use the DHW buttons details 1 and 2 fig 1 to vary the temperature from a mini ...

Page 12: ...ivate the hot water tank ECO mode by pressing the button for 2 seconds In ECO mode the display activates the symbol detail 12 fig 1 To activate COMFORT mode hot water tank on press the button again for 2 seconds the symbol disappears Main menu MENU Pressing the button displays the main menu of the boiler MENU shown in fig 16 The desired items can be selected with the and heating buttons To access ...

Page 13: ...on fig 17 fig 17 Password entry Confirm with the button to access the installer menu SERVICE screen where the following menus are available TSP Menu for modifying transparent parameters TEST Activation of boiler Test mode OTC Setting of climatic curves for ad justment with external probe Zone Settings of climatic curves of ad ditional zones Auto Setup This menu is used to acti vate calibration Vis...

Page 14: ...o return to the main screen press the button repeatedly or wait for automatic switching after 15 minutes Parameter displayed Description Range CH 1 temp NTC Heating sensor C 0 125 C CH 2 temp NTC Return sensor C 0 125 C DHW temp NTC DHW sensor C 0 125 C Ext temp NTC External sensor C 70 30 C Fume temp NTC Fume sensor C 0 125 C Fan rpm Actual fan rpm 0 9999 RPM Pump speed Actual modulating circulat...

Page 15: ...rs The system counters are displayed in this menu Burner Burner operation total hours Ignition ok Number of successful ignitions Ignition error Number of failed ignitions CH pump time Pump operation hours in heating DHW pump time pump operation hours in DHW fig 20 ...

Page 16: ...splayed in the relevant menu of the Remote Timer Con trol Press the buttons and Heating to scroll the list of faults Cancel is the last item in the list and which once selected and confirmed with the button allows all the faults history to be re set To exit the Boiler faults menu ALARM press the button repeatedly until reaching the main screen or wait for automatic exit after 15 minutes fig 21 ...

Page 17: ...ccording to a specific compensation curve With Sliding Temperature the temperature set using the heating buttons details 3 and 4 fig 1 becomes the maximum system flow temperature It is advisable to set a maximum value to allow system adjustment throughout its useful operating range The boiler must be adjusted at the time of installation by qualified personnel However the user can make any further ...

Page 18: ...shutdown value Use the buttons and DHW to modify the value from 0 to 40 C if set to 0 the function is disabled Igni tion occurs when the temperature of the external probe is more than 2 C lower than the set temperature fig 23 To exit the Climatic curves setting OTC menu press the button repeatedly until reaching the main screen If the room temperature is lower than the desired value it is advisabl...

Page 19: ...illing knob Heating temperature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler control panel DHW temperature adjustment Adjustment can be made from the Remote Timer Control menu and the boiler control panel Summer Winter Switchover Summer mode has priority over a possible Remote Timer Control heating demand Eco Comfort selection On disabling DHW from the Remote...

Page 20: ... the safety valve inside the boiler To drain the system turn the ring nut ref 3 fig 27 counter clockwise to open the cock Do not use any tools use hands only To drain only the water in the boiler first close the shut off valves between the sys tem and boiler before turning the ring nut fig 27 ...

Page 21: ...nimum temperature of 5 C If provided with the special antifreeze kit it can be used with a minimum temperature down to 15 C The boiler must be installed in a sheltered place for instance under the slope of a roof in side a balcony or in a protected recess The place of installation must be free of flammable materials objects and dusts or corrosive gas es The boiler is arranged for wall mounting and...

Page 22: ...system must comply with the applicable laws and regulations the characteristics required by UNI 8065 and the indications of EN14868 protection of metal materials against corrosion must be observed The filling water first filling and subsequent replenishment must be clear with hardness below 15 F and treated with suitable chemical conditioners against the initiation of corro sion that are not aggre...

Page 23: ...cifications The presence of deposits on the boiler exchange surfaces due to non compliance with the above requirements will involve non recognition of the warranty 2 4 Gas connection B Before making the connection ensure that the unit is arranged for operation with the type of fuel available The gas connection must be made to the relevant con nection see and fig 59 in compliance with current legis...

Page 24: ...s LINE brown wire NEUTRAL blue wire GROUND yellow green wire in the connections to the electric line B The unit s power cable MUST NOT BE REPLACED BY THE USER If the cable gets damaged turn the unit off and have the cable replaced only by professionally qualified personnel In case of replacement use exclu sively HAR H05 VV F 3x0 75 mm2 cable with maximum ext diameter of 8 mm Room thermostat option...

Page 25: ...e contacts not 230V The arrangement of the terminals for the various connec tions is also given in the wiring diagram in fig 65 fig 28 fig 29 Variable output relay card LC32 optional 043011X0 The variable output relay LC32 consists of a small card with a switchover of free contacts closed means contact between C and NO Operation is managed by the software For installation carefully follow the inst...

Page 26: ...e contacts are closed when the gas valve in the boiler is powered 1 Use as an alarm output warning light comes on The contacts are closed when there is an error condition generic 2 Manages a water filling valve The contacts are closed until the water pressure in the hea ting circuit is restored to the normal level after manual or automatic topping up 3 Manages a legionella pump The contacts are cl...

Page 27: ...mensions refer to the figure on the cover Any horizontal sections of the fume exhaust must be kept sloping slightly towards the boiler to prevent possible condensate from flowing back towards the outside and causing dripping fig 31 Starting accessories for coaxial ducts Table 5 Max length coaxial ducts Coaxial 60 100 Coaxial 80 125 Max permissible length horizontal All models 7 m BLUEHELIX HITECH ...

Page 28: ...total of losses is less than or equal to the maximum permissible length in table 7 Table 7 Max length separate ducts Type Description C1X Wall horizontal exhaust and intake The inlet outlet terminals must be concentric or close enough to be subjected to similar wind conditions within 50cm C3X Roof vertical exhaust and intake Inlet outlet terminals like for C12 C5X Separate wall or roof intake and ...

Page 29: ...5A 2 0 fumes wall with antiwind 1KWMA86A 5 0 FLUE Split air fumes 80 80 010027X0 12 0 Fume outlet only Ø80 010026X0 1KWMA86U 4 0 Ø 60 PIPE 1 m M F 1KWMA89W 6 0 BEND 90 M F 1KWMA88W 4 5 REDUCTION 80 60 041050X0 5 0 TERMINAL fumes wall with antiwind 1KWMA90A 7 0 Ø 50 PIPE 1 m M F 041086X0 12 BEND 90 M F 041085X0 9 REDUCTION 80 50 041087X0 10 ATTENTION CONSIDER THE HIGH PRESSURE LOSSES OF Ø50 and Ø60...

Page 30: ...with flexible pipe BLUEHELIX HITECH RRT 18 H Ø50 A 28 m MAX Ø60 A 78 m MAX BLUEHELIX HITECH RRT 28 H Ø50 A 22 m MAX Ø60 A 60 m MAX BLUEHELIX HITECH RRT 34 H Ø50 A 17 m MAX Ø60 A 45 m MAX Flexible and rigid pipes To use these diameters follow the instructions below Access the parameters menu TSP and bring the value of parameter P68 to the value correspond ing to the length of flue used After changi...

Page 31: ...rd with a clapet non return valve backflow preventer therefore it can be connected only if running on G20 gas to collective flues in posi tive pressure Using this type of installation parameter P67 must be set to 1 In case of C10 type boiler installation apply the relevant white adhesive plate included in the document bag supplied with the unit in a CLEARLY VISIBLE PLACE on the FRONT PANEL Type De...

Page 32: ...trap with approx 0 5 L of water and connect the hose to the disposal system Drains connected to the drainage system must be resistant to acidic condensate If the condensate drain is not connected to the waste water drainage system a neutralizer must be installed B ATTENTION THE UNIT MUST NEVER BE OPERATED WITH THE TRAP EMPTY OTHERWISE THERE IS A DANGER OF SUFFOCATION DUE TO THE EMISSION OF COMBUST...

Page 33: ...nd DHW 0 G20 1 G30 G31 2 G230 To confirm press the button Turn the power off for 10 seconds and then back on Wait until the Fh mode has finished Put the boiler in standby mode and activate the calibration mode AUTO SETUP see IMPORTANT on page 328 Checking the combustion values MAKE SURE THE FRONT PANEL IS CLOSED AND THE INTAKE FUME EXHAUST DUCTS ARE COMPLETELY ASSEMBLED 1 Put the boiler in heating...

Page 34: ...not successful the display shows the message max_err at point and an error code at point fig 38 9 Exit with the button and unlock the boiler Repeat the sequence from point 1 fig 38 The calibration procedure Auto Setup can only be performed if parameter b27 is set to 5 Parameter b27 can be set manually to the value 5 or by changing the parameter gas type b03 setting parameter P67 to 1 changing the ...

Page 35: ...W buttons Pressing the DHW button will increase the Offset value by one unit point Pressing the and DHW buttons for more than 2 sec will change the Offset value by 3 units When the Power value is followed by ok the combustion value will be saved 5 The Offset adjustment range is from 8 to 8 Increasing the value decreases the CO2 decreasing it increases the CO2 The CO2 adjustment must not be done wi...

Page 36: ...ystem filling solenoid valve 3 Legionella pump 4 Second heating pump 5 Alarm2 6 Burner lit 7 Frost protection On 0 b08 Not implemented 24 b09 Fault 20 status selection 0 Deactivated 1 Enabled only for versions with pressure transducer 0 b10 Not implemented b11 Hot water tank preparation 0 Fixed primary P44 1 Linked to DHW Setpoint P51 0 b12 Hot water tank priority 0 255 min 30 b13 Heating priority...

Page 37: ... C 80 P45 DHW standby time 30 255 seconds 120 P46 DHW user max setpoint 40 70 C 65 P47 DHW pump Post Circulation 0 255 seconds 30 P48 Max output in DHW 0 100 BLUEHELIX HITECH RRT 18 H 75 BLUEHELIX HITECH RRT 28 H 100 BLUEHELIX HITECH RRT 34 H 100 P49 Not implemented P50 Not implemented P51 Hot water tank Off Delta 0 20 C 10 P52 Not implemented 5 P53 Not implemented 10 P54 System pre circulation ti...

Page 38: ...Reset Restore factory values P63 Fan On speed DO NOT MODIFY The parameters are automatically updated G20 G230 BLUEHELIX HITECH RRT 18 H 160 BLUEHELIX HITECH RRT 28 H 160 BLUEHELIX HITECH RRT 34 H 140 G30 G31 BLUEHELIX HITECH RRT 18 H 152 BLUEHELIX HITECH RRT 28 H 152 BLUEHELIX HITECH RRT 34 H 132 P64 Fan maximum speed DO NOT MODIFY The parameters are automatically updated G20 G230 BLUEHELIX HITECH...

Page 39: ...334 EN cod 3541V481 Rev 00 06 2021 fig 40 ...

Page 40: ...he tolerance provided for by the regulations Turn on the power to the boiler the display shows the software version number of the control unit and the display and then FH and Fh air venting cycle see cap 1 3 Connection to the pow er supply switching on and off on page 303 At the end of the Fh cycle the winter mode screen will appear on the display fig 11 make the temperature adjustments heating fl...

Page 41: ...o sion electric shock suffocation or poisoning Opening the front panel B Some internal components of the boiler can reach temperatures high enough to cause severe burns Be fore carrying out any operation wait for these compo nents to cool or else wear suitable gloves To open the boiler casing 1 Undo the screws 1 see fig 41 2 Pull the panel outwards and lift it fig 41 Front panel opening B On this ...

Page 42: ...nd leaks The burner and exchanger must be clean and free of deposits Use suitable brushes for clean ing Never use chemical products The electrode must be properly positioned and free of scale The electrode can be cleaned of incrustations only with a non metallic brush and must NOT be sanded The gas and water systems must be tight The water pressure in the system when cold must be approx 1 bar othe...

Page 43: ...in the paragraph Checking the combustion values on page 328 Gas valve replacement Disconnect the power supply and close the gas cock ahead of the valve Disconnect the electrical connectors 1 fig 43 Disconnect the gas supply pipe 2 fig 43 Undo the screws 3 fig 44 Remove the gas valve 4 and the gas diaphragm 5 fig 45 Fit the new valve carrying out the above steps in reverse order Refer to the instru...

Page 44: ...Disconnect the connector of the ignition electrode connected to the board Drain the water from the boiler heating circuit Remove the flue connection concentric or accessory for separate ducts Remove the fan Remove the clips of the two pipes on the exchanger pump and hydraulic unit Loosen the 2 bottom screws 5 securing the exchanger to the frame fig 49 Remove the 2 top screws 6 securing the exchang...

Page 45: ...340 EN cod 3541V481 Rev 00 06 2021 fig 48 fig 49 fig 50 ...

Page 46: ...head of the valve Undo the two screws 1 and rotate the control panel Raise the electrical box cover by operating on the tabs 2 Undo the screws 3 Raise the board by operating on the side tabs 4 Remove all the electrical connectors Insert the new board and reconnect the electrical connections fig 51 fig 52 ...

Page 47: ...ri 3 fig 53 fig 54 Water pressure transducer replacement A Before carrying out the following instructions it is advisable to protect the room and the boiler s electrical box against accidental water spillage Disconnect the power supply and close the gas cock ahead of the valve Drain the water from the heating circuit Remove the pressure transducer connector and retaining clip 1 Remove the pressure...

Page 48: ... boiler s normal working range Table of faults Table 11 List of faults Fault code Fault Possible cause Cure A01 No burner ignition No gas Check the regular gas flow to the boiler and that the air has been eliminated from the pipes Ignition detection electrode fault Check the wiring of the electrode and that it is correctly positioned and free of any deposits replace the electrode if necessary Insu...

Page 49: ...circulating pump and heating system Air in the system Vent the system F10 Flow sensor fault Sensor damaged Check the wiring or replace the sensor Wiring shorted Wiring disconnected F11 Return sensor fault Sensor damaged Check the wiring or replace the sensor Wiring shorted Wiring disconnected A11 Gas valve connection Damaged electrical connection between the control unit and gas valve check the wi...

Page 50: ...ct gas supply pressure Do the CO2 adjustment in TEST mode If neces sary do the Calibration procedure AUTO SETUP F99 Communication fault between display and control unit Connection cable interrupted or not inserted Check the connection Misalignment of parameters bet ween control unit and display Turn the power off and on Factory values reset Turn the power off and on A98 Too many SW errors or error...

Page 51: ...ensions and connections 7 Gas inlet Ø 3 4 10 System flow Ø 3 4 11 System return Ø 3 4 209 Hot water tank flow Ø 3 4 210 Hot water tank return Ø 3 4 231 Filling connection Ø 1 2 A6 Condensate discharge connection fig 56 Front view fig 57 Side view fig 58 Top view fig 59 Bottom view ...

Page 52: ...Return sensor 191 Fume temperature sensor 193 Trap 196 Condensate tray 294 Pressure transducer 350 Fan Burner assembly fig 61 Hydraulic circuit 10 System flow 11 System return 14 Safety valve 32 Heating circulating pump 34 Heating temperature sensor 36 Automatic air vent 56 Expansion vessel 74 System filling faucet 95 Diverter valve 186 Return sensor 193 Trap 209 Hot water tank delivery 210 Hot wa...

Page 53: ...348 EN cod 3541V481 Rev 00 06 2021 4 4 Technical data table ...

Page 54: ...349 EN cod 3541V481 Rev 00 06 2021 ...

Page 55: ...350 EN cod 3541V481 Rev 00 06 2021 ...

Page 56: ...351 EN cod 3541V481 Rev 00 06 2021 ...

Page 57: ...grams Residual head available for system BLUEHELIX HITECH RRT 18 H fig 62 Residual head available for system BLUEHELIX HITECH RRT 28 H fig 63 Residual head available for system BLUEHELIX HITECH RRT 34 H fig 64 Residual head available for system ...

Page 58: ...4 Pressure transducer A ON OFF switch configurable fig 65 Wiring diagram A Attention Remove the jumper on the terminal block before connecting the room thermo stat or the remote timer control If wanting to connect more zones of the hydraulic system that are controlled by thermo stats with voltage free contact and the timer control has to be used as a remote control for the boiler it is necessary t...

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