Ferroli BLUEHELIX HITECH RRT H Instructions For Use, Installation & Maintenance
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Ferroli BLUEHELIX HITECH RRT H Instructions For Use, Installation & Maintenance

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INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE

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Summary of Contents for Ferroli BLUEHELIX HITECH RRT H

  • Page 1 INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE...
  • Page 2 • Read the warnings in this follow the instructions pro- instruction booklet carefully vided. since they provide impor- • Before carrying out any tant information on safe in- cleaning or maintenance stallation, operation, disconnect the maintenance. unit from the power supply •...
  • Page 3 tents. The packing materi- years only if under supervi- potentially sion. hazardous and must not be • In case of doubt, do not use left within the reach of chil- the unit. Contact the suppli- dren. • The unit can be used by •...
  • Page 4 1 Operating instructions ......................300 1.1 Introduction............................300 1.2 Control panel ............................300 1.3 Connection to the power supply, switching on and off ...............303 1.4 Adjustments............................306 2 Installation ..........................316 2.1 General Instructions ........................... 316 2.2 Place of installation ..........................316 2.3 Plumbing connections ........................

  • Page 5: Control Panel

    1.1 Introduction Dear Customer, BlueHelix HiTech RRT H is a high-efficiency, low emissions premix condensing heat generator with heat exchanger in s/steel and incorporated DHW production, using Natural Gas (G20), Liq- uefied Gas (G30-G31) or Propane-Air (G230) and equipped with a microprocessor control sys- tem.
  • Page 6 Indication during operation Heating A heating request (generated by the Room Thermostat or Remote Timer Control) is in- dicated by the flashing radiator symbol. When the burner is lit, the flame symbol ap- pears and the 3 levels indicate the actual in- tensity.

  • Page 7: Frost Protection

    Comfort During Comfort mode (hot water tank temperature restoring) the flame symbol appears and the faucet flashes. Frost protection In frost protection mode (flow temperature below 5°C) the flame symbol appears. Fault In case of a fault, the display shows the fault code with different graphics depending on the type. A-type fault (fig.

  • Page 8: Connection To The Power Supply, Switching On And Off

    1.3 Connection to the power supply, switching on and off Boiler not electrically powered To avoid damage caused by freezing during long idle pe- riods in winter, it is advisable to drain all the water from the boiler. Boiler electrically powered Electrically power to the boiler.
  • Page 9 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 cod. 3541V481 - Rev. 00 - 06/2021...
  • Page 10 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.
  • Page 11 1.4 Adjustments Winter/summer switchover Repeatedly press the button until the summer symbol (sun) appears, with the word "OFF" for heating (detail 10 - fig. 1): the boiler will only deliver hot water. The frost protection system remains To reactivate the winter mode, repeatedly press the button until the snowflake appears.
  • Page 12 Room temperature adjustment (with optional room thermostat) Using the room thermostat, set the temperature required in the rooms. If the room thermostat is not installed, the boiler will keep the system at the set system delivery setpoint temperature. Room temperature adjustment (with optional remote timer control) Using the remote timer control, set the required temperature in the rooms.
  • Page 13 Installer menu [SERVICE] After selecting the installer menu [Service], press the button . To continue, enter the pass- word “1234”. Use the buttons DHW to set the cell value, and the buttons heating to shift position (fig. 17). fig. 17- Password entry Confirm with the button to access the installer menu[SERVICE] screen where the following menus are available:...
  • Page 14 Boiler information menu [Diagnostic] This menu provides the information, in real time, of the various sensors present in the boiler. To access it, press the button from the main screen, select the item [Diagnostic] and confirm with the button fig. 19 Table 1- Description - Boiler information menu [Diagnostic] Parameter displayed Description...
  • Page 15 Boiler counters menu [Counters] The system counters are displayed in this menu: [Burner] pump operation hours in DHW. 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] fig.
  • Page 16 Boiler faults menu [Alarm] The card can store the last 10 faults. Alarm 1 represents the most recent fault that occurred. The codes of the faults saved are also displayed in the relevant menu of the Remote Timer Con- trol. Press the buttons Heating to scroll the list of faults.
  • Page 17 Display adjustment menu [Display] In this menu it is possible to set some dis- play parameters. [Contrast] Contrast adjustment. [Brightness] Brightness adjustment [Backlight time] Display backlight duration. [Reset] fig. 22 Restore factory values. Sliding Temperature When the external probe (optional) is installed, the boiler adjustment system works with "Sliding Temperature".
  • Page 18 Curve: select this item and use the buttons DHW to adjust the de- sired curve from 1 to 10. By adjusting the curve to 0, the slid- ing temperature adjustment is disa- bled (see fig. 24). Offset: Access this sub-menu to access par- allel offset of the curves using the buttons DHW.
  • Page 19 Adjustments from Remote Timer Control If the boiler is connected to the Remote Timer Control (optional), the previously described adjustments are managed as described in table 2. Table 2 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.

  • Page 20: System Draining

    System draining The drain cock ring nut is located under 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.

  • Page 21: General Instructions

    2. Installation 2.1 General Instructions BOILER INSTALLATION MUST ONLY BE PERFORMED BY QUALIFIED PERSONNEL, IN AC- CORDANCE WITH ALL THE INSTRUCTIONS GIVEN IN THIS TECHNICAL MANUAL, THE PROVISIONS OF CURRENT LAW, THE PRESCRIPTIONS OF NATIONAL AND LOCAL STANDARDS AND THE RULES OF PROPER WORKMANSHIP. 2.2 Place of installation The combustion circuit is sealed with respect to the place of installation and therefore the unit can be in-...
  • Page 22 System water characteristics BlueHelix HiTech RRT H boilers are suitable for installation in heating systems with non- significant entry of oxygen (ref. systems "case I" EN14868). A physical separator (e.g.

  • Page 23: Gas Connection

    Recommended chemical conditioners: SENTINEL X100 and SENTINEL X200 FERNOX F1 and FERNOX F3 The unit is equipped with a frost protection system that activates the boiler in heating mode when the system flow water temperature falls below 6°C. The device is not active if the power and/or gas supply to the unit is turned off.
  • Page 24 Have the efficiency and suitability of the grounding system checked by professionally qualified personnel; the Manu- facturer declines any liability for damage caused by failure to ground the system. The boiler is pre-wired and equipped with a three-core connection cable to the electric line without plug. The con- nections to the grid must be made with a permanent con- nection and equipped with a bipolar switch with contact opening of at least 3 mm, interposing fuses of max.
  • Page 25 Accessing the electrical terminal block and fuse Remove the front panel ( *** 'Opening the front panel' on page 336 ***) to access the terminal block (M) and fuse (F) by proceeding as follows ( and fig. 28). The terminals indicated in must be with voltage-free contacts (not 230V).

  • Page 26: Fume Ducts

    To use the desired function refer to table 3. Table 3- Settings LC32 Parameter b07 Function LC32 Action LC32 The contacts are closed when the gas valve (in the boiler) is Manages a secondary gas valve (default) powered The contacts are closed when there is an error condition Use as an alarm output (warning light comes on) (generic) The contacts are closed until the water pressure in the hea-...
  • Page 27 In case of installation with maximum resistance (coaxial or separate flue) it is advisable to carry out a calibration procedure [AUTO SETUP] to optimize boiler combustion. Connection with coaxial pipes fig. 30- Examples of connection with coaxial pipes ( = Air / = Fumes) For coaxial connection, fit the unit with one of the following starting accessories.
  • Page 28 Connection with separate pipes fig. 32- Examples of connection with separate pipes ( = Air / = Fumes) Table 6- Typology Type Description Wall horizontal exhaust and intake. The inlet/outlet terminals must be concentric or close enough to be subjected to similar wind conditions (within 50cm) Roof vertical exhaust and intake.
  • Page 29 Table 8- Accessories Losses in m Fume exhaust intake Vertical Horizontal PIPE 1 m M/F 1KWMA83W BEND 45° M/F 1KWMA65W 90° M/F 1KWMA01W PIPE SECTION with test point 1KWMA70W Ø 80 TERMINAL air, wall 1KWMA85A fumes, wall with antiwind 1KWMA86A FLUE Split air/fumes 80/80 010027X0 12.0...
  • Page 30 Use of Ø50 and Ø60 flexible and rigid pipes The calculation shown in the tables below includes the starting accessories code 041087X0 for Ø50 and code 041050X0 for Ø60. Flexible pipe It is possible to use up to 4 m of Ø80 mm flue between the boiler and the reduced diameter (Ø50 or Ø60), and not more than 4 m of Ø80 mm flue on the intake (with maximum length of Ø50 and Ø60 flues) See .
  • Page 31 Exhaust to a vertical terminal and intake from existing flue. If the BlueHelix HiTech RRT H boiler is to be connected to a flue or a single chimney with natural draft, the flue or chimney must be expressly designed by professionally qualified technical person- nel in conformity with the current regulations and be suitable for sealed chamber units equipped with fan.

  • Page 32: Condensate Drain Connection

    After installation, check the tightness of the fumes and gas circuit. OTHERWISE THERE IS DANGER OF SUFFOCATION DUE TO THE EMISSION OF COMBUSTION FUMES. 2.7 Condensate drain connection IMPORTANT The boiler has an internal trap for draining condensate. Install the hose “B” by pressing it into place.

  • Page 33: Service And Maintenance

    3. Service and maintenance All adjustments described in this chapter can only be carried out by qualified personnel. 3.1 Adjustments Gas conversion The unit can work with 2 or 3 family gases, which is clearly indicated on the packaging and on the data plate of the unit.
  • Page 34 VALUE CHECK, the FRONT PANEL must be CLOSED and the INTAKE/FUME EXHAUST DUCTS completely assembled. Also, the boiler must not be in OFF mode (see detail C of fig. 11) and there must be no heating or DHW circuit request. Calibration procedure [AUTO SETUP] 1.
  • Page 35 The calibration procedure [Auto Setup] resets the combustion parameters previously recorded and must be done only in the cases described above. Test mode [Test] Do a heating or DHW request (with optional hot water tank connected). 1. Access the Main menu [MENU] with the 5.
  • Page 36 Parameter modification menu [TSP] Press the heating buttons to scroll the list, press the button to display the value To modify, press the DHW, buttons, confirm with the button or cancel with the button Table 10- Transparent Parameters Table Index Description Range Default...
  • Page 37 Index Description Range Default Restore Factory Values See *** '* Restore Factory Values' on page 333 ***. 10÷80 Heating ramp (ex. 10=20°C/min, 20=12°C/min, 40=6°C/min, 80=3°C/min) Heating standby time 0-10 minutes Heating Post-Circulation 0-255 minutes 0 = Continuous pump (active only in winter mode) Pump operation 1 = Modulating pump Pump modulation DeltaT...

  • Page 38: Contrast Adjustment

    Index Description Range Default G20/G230: BLUEHELIX HITECH RRT 18 H = 160 BLUEHELIX HITECH RRT 28 H = 160 BLUEHELIX HITECH RRT 34 H DO NOT MODIFY = 140 Fan On speed (The parameters are automatically updated) G30/G31: BLUEHELIX HITECH RRT 18 H = 152 BLUEHELIX HITECH RRT 28 H = 152...
  • Page 39 fig. 40 cod. 3541V481 - Rev. 00 - 06/2021...
  • Page 40 3.2 Commissioning Before lighting the boiler • Check the tightness of the gas system. • Check correct expansion vessel precharge. • Fill the hydraulic system and make sure that all air contained in the boiler and the system has been vented. •...
  • Page 41 3.3 Maintenance IMPORTANT ALL MAINTENANCE WORK AND REPLACEMENTS MUST BE CARRIED OUT BY SKILLED QUALIFIED PERSONNEL. Before carrying out any operation inside the boiler, disconnect the power and close the gas cock up- stream. Otherwise there may be a danger of explo- sion, electric shock, suffocation or poisoning.

  • Page 42: Periodical Check

    fully check the correct refitting of the front panel and its seal. Proceed in reverse order to refit the front panel. Make sure it is correctly hooked to the upper fas- tenings and is correctly positioned at the sides. Once tightened, the head of the screw "1” must not be under the lower counter fold (see fig.
  • Page 43 Extraordinary maintenance and replacement of components After replacing the gas valve, burner, electrode and PCB, it is necessary to do the calibration [AUTO SETUP] procedure (see “Calibration procedure [AUTO SETUP]” on page 329). Then fol- low the instructions in the paragraph “Checking the combustion values” on page 328. Gas valve replacement •...
  • Page 44 Main exchanger replacement 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 • Disconnect the fume sensor connector 1. •...
  • Page 45 fig. 48 fig. 50 fig. 49 cod. 3541V481 - Rev. 00 - 06/2021...

  • Page 46: Pcb Replacement

    PCB replacement • Disconnect the power supply and close the gas cock ahead 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”. •...

  • Page 47: Fan Replacement

    Fan replacement • Disconnect the power supply and close the gas cock ahead of the valve. • Remove the fan electrical connections. • Undo the screws “1” and gas pipe connection “2”. • Remove the venturi “3”. fig. 54 fig. 53 Water pressure transducer replacement Before carrying out the following instructions it is advisable to protect the room and the boiler’s electrical box against accidental water spillage.

  • Page 48: Troubleshooting

    3.4 Troubleshooting Diagnostics LCD display Off If, even after touching the buttons, the display does not come on, check that the card is electrically powered. Using a digital multimeter, check for presence of power. In case of no voltage, check the wiring. If the voltage is sufficient ( Range 195 –...
  • Page 49 Fault code Fault Possible cause Cure Ionization electrode fault Check the position of the ionization electrode, free it from any encrustations and do the Calibration procedure [AUTO SETUP]. Replace the electrode if necessary. Flame unstable Check the burner No flame after the ignition phase Remove the obstruction from the flue, fume extrac- air/fume ducts obstructed tion ducts, air inlet and terminals...
  • Page 50 Fault code Fault Possible cause Cure No/poor water circulation in the Check the circulating pump and heating system system Limit thermostat fault with para- F50 - F53 meter b06 = 1 or 4 Air in the system Vent the system Incorrect parameter Check the correct parameter setting Maximum number of consecu-...

  • Page 51: Technical Data And Characteristics

    4. Technical data and characteristics 4.1 Dimensions and connections fig. 56- Front view fig. 57- Side view fig. 58- Top view fig. 59- Bottom view Gas inlet - Ø 3/4” 10 System flow - Ø 3/4” 11 System return - Ø 3/4” 209 Hot water tank flow - Ø...

  • Page 52: General View

    4.2 General view Safety valve Heating circulating pump Heating temperature sensor Automatic air vent Gas valve Expansion vessel Ionization/ignition electrode Diverter valve Water gauge Return sensor Fume temperature sensor Trap Condensate tray Pressure transducer Fan/Burner assembly fig. 60- General view 4.3 Hydraulic circuit System flow System return...

  • Page 53: Technical Data Table

    4.4 Technical data table cod. 3541V481 - Rev. 00 - 06/2021...
  • Page 54 cod. 3541V481 - Rev. 00 - 06/2021...
  • Page 55 cod. 3541V481 - Rev. 00 - 06/2021...
  • Page 56 cod. 3541V481 - Rev. 00 - 06/2021...
  • Page 57 4.5 Diagrams 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 cod.

  • Page 58: Wiring Diagram

    4.6 Wiring diagram 16 Fan 139 Remote timer control (optional) 32 Heating circulating pump 155 Hot water tank probe (optional) 34 Heating temperature sensor 186 Return sensor 44 Gas valve 191 Fume temperature sensor 72 Room thermostat (not supplied) 288 Frost protection kit 81 Ionization/ignition electrode 294 Pressure transducer 95 Diverter valve...

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