Biasi RINNOVA CV Series User Manual And Installation Instructions
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Biasi RINNOVA CV Series User Manual And Installation Instructions

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Summary of Contents for Biasi RINNOVA CV Series

  • Page 1 RINNOVA CV User manual and installation instructions...
  • Page 2 Congratulations on choosing this product. Your modulating boiler is electronically adjusted and ignited. • It is highly efficient • It has a sealed chamber. The materials used and the control systems offer safety, high levels of comfort and energy savings so you can appreciate the maximum advantages of autonomous heating. DANGER: Instructions marked with this symbol must be observed to prevent mechanical or generic accidents (e.g.
  • Page 3 IMPORTANT The manual must be read carefully to ensure rational and safe use of the boiler. It must be stored with care as it may be necessary to consult it in the future. If the unit is trans- ferred to another owner, the manual must accompany the boiler. The initial switch-on must be carried out by an Authorised Service Centre;...
  • Page 4 DURING USE It is prohibited and dangerous to obstruct, even partially, the air intakes for the ventila- tion of the room where the boiler is installed (UNI 11071 and related standards); Repairs must only be carried out by authorised service centres using original spare parts. Therefore, in the case of a problem, deactivate the boiler only (see instructions).

  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1 BOILER DESCRIPTION ....6 5.14 Electrical connection of the remote control (optional) ......40 1.1 Assembly view.

  • Page 6: Boiler Description

    BOILER DESCRIPTION BOILER DESCRIPTION 1.2 Shut-off valves and cocks Install a shut-off cock for the 1.1 Assembly view DHW inlet. The boiler model and serial number are printed on the warranty certificate. Install an isolation valve for the gas inlet. The figures in this manual only show one of the possible ways of installing cocks, pipes and fit-...

  • Page 7: Control Panel

    BOILER DESCRIPTION 1.3 Control panel The symbol indicates a volatile error. The boiler is reactivated automatically once the fault has been resolved The symbol indicates that the boiler can be restarted directly by the user by pressing the re- set button All symbols with lines radiat- Figure 1.3 ing from them indicate that the...
  • Page 8 BOILER DESCRIPTION FUNCTION FUNCTION Heating delivery tem- Boiler perature between 90°C ti-freeze phase (the and 100°C symbol flashes) Boiler in antifreeze Gas valve fault Boiler in heating an- ti-freeze phase (the Tank NTC probe failure symbol flashes) Communication with remote control lost Heating set tempera- Maximum number of ture...

  • Page 9: User Instructions

    USER INSTRUCTIONS USER INSTRUCTIONS LCD display shows the OFF status (only the heating and DHW antifreeze functions 2.1 Warnings are active) Figure 2.2. Check that the heating circuit is correctly filled with water, even if the boiler is only used for pro- RESET ducing domestic hot water.

  • Page 10: Heating Circuit Temperature

    USER INSTRUCTIONS • from 60 to 80 with an outdoor temperature and the symbol (Figure 2.5). of below -5°C. Your qualified installer may suggest more RESET suitable settings for your system. The set temperature has been reached when the symbol is not visible on the LCD display.

  • Page 11: Domestic Hot Water Temperature

    USER INSTRUCTIONS 2.4 Domestic hot water tempera- mation of micro-organisms (legionella) in ture the domestic hot water, the anti-legionella function can be activated (see "Anti-legio- With hot water tank connected and hot nella function" on page 39). water tank NTC probe: This function raises the temperature of the The temperature of the hot water contained water contained in the hot water tank to...

  • Page 12: Shutdown

    USER INSTRUCTIONS symbol followed by an increase in the temperature of the domestic hot water. The symbol flashes (Figure 2.11). RESET Figure 2.11 Closed position 2.5 Shutdown Press the 16 button (Figure 2.12) until the Figure 2.14 message OFF appears on the LCD display •...

  • Page 13: Useful Tips

    USEFUL TIPS USEFUL TIPS 3.2 Heating For rational and economical service, have a 3.1 Filling the heating circuit room thermostat installed. Never turn off the radiator in the room where CLOSED the room thermostat is installed. If a radiator (or convector) does not heat up, check if there is any air in the system and Heating circuit make sure that the cock is open.

  • Page 14: Periodic Maintenance

    USEFUL TIPS RESET RESET Figure 3.4 Figure 3.5 If the boiler is turned off, have a qualified technician empty the boiler (heating and Each fault is classified accord- DHW circuit) and empty the heating system ing to the level of priority. If more than one faults are detect- and the DHW system.

  • Page 15: Displays In Info Mode

    USEFUL TIPS The user is responsible for periodically To scroll through the values, press 11 (in- checking the pressure of the heating sys- crease) and 12 (decrease). Press 16 and tem. hold for 5 seconds to exit INFO mode (Fig- If water needs to be added too often, have ure 3.3).

  • Page 16: Technical Specifications

    TECHNICAL SPECIFICATIONS TECHNICAL SPECIFICATIONS 4.1 Assembly view Figure 4.1 - 16 -...

  • Page 17: Schematic Diagram

    TECHNICAL SPECIFICATIONS 4.2 Schematic diagram Figure 4.2 3 Heating delivery pipe 9 Tank coil and heating return pipe 4 Tank coil delivery pipe 10 Heating circuit pressure gauge 5 Gas cock 18 Heating NTC - Max temperature NTC 6 Heating circuit safety valve discharge 19 Primary exchanger pipe 20 Flame detection electrode/ignition...
  • Page 18 TECHNICAL SPECIFICATIONS 22 Automatic bleed valve 23 Pump 24 Pump bleed cap 25 Gas valve 26 Gas valve outlet tapping point 27 Modulating operator 28 Gas valve inlet tapping point 29 Control panel containing: Terminal board for external temperature probe, low-voltage ambient thermo- stat cable or remote control (optional), thermostat or hot water tank sensor, electric power supply cable...

  • Page 19: Wiring Diagram

    TECHNICAL SPECIFICATIONS 4.3 Wiring diagram Electrical power Heating pressure Pump Boiler thermostat supply switch Ignition and detection Flue gas pressure Gas valve Boiler NTC probe electrode switch Remote control / room NTC heating - Max NTC 12 Three-way valve thermostat cable temperature orange white...

  • Page 20: Technical Data M290E.24Cv

    TECHNICAL SPECIFICATIONS 4.4 Technical data M290E.24CV 25,5 Heating (nom.Q.) Nominal heating/d.h.w. heat input (Hi) kcal/h 21926 Adjustable temperature ** °C 38 - 85 Max. operating temp. °C (nom.Q.) Minimum heat input (Hi) for heating kcal/h 9458 Maximum pressure 11,0 (nom.Q.) Minimum d.h.w. heat input (Hi) kcal/h 9458...
  • Page 21 TECHNICAL SPECIFICATIONS Heating/d.h.w. maximum gas flow rate Chimney design # Methane G20 2,70 Max. flue gas temperature °C Propane G31 kg/h 1,98 Min. flue gas temperature °C Minimum gas flow rate in heating mode Max. flue gas mass flow rate kg/s 0,0154 Methane G20...

  • Page 22: Technical Data M290E.28Cv

    TECHNICAL SPECIFICATIONS 4.5 Technical data M290E.28CV 31,1 Heating (nom.Q.) Nominal heating/d.h.w. heat input (Hi) kcal/h 26741 Adjustable temperature ** °C 38 - 85 Max. operating temp. °C (nom.Q.) Minimum heat input (Hi) for heating kcal/h 11178 Maximum pressure 13,0 (nom.Q.) Minimum d.h.w. heat input (Hi) kcal/h 11178...
  • Page 23 TECHNICAL SPECIFICATIONS Heating/d.h.w. maximum gas flow rate Chimney design # Methane G20 3,29 Max. flue gas temperature °C Propane G31 kg/h 2,42 Min. flue gas temperature °C Minimum gas flow rate in heating mode Max. flue gas mass flow rate kg/s 0,0171 Methane G20...

  • Page 24: Technical Data M290E.32Cv

    TECHNICAL SPECIFICATIONS 4.6 Technical data M290E.32CV 33,9 Heating (nom.Q.) Nominal heating/d.h.w. heat input (Hi) kcal/h 29149 Adjustable temperature ** °C 38 - 85 15,5 Max. operating temp. °C (nom.Q.) Minimum heat input (Hi) for heating kcal/h 13328 Maximum pressure 15,5 (nom.Q.) Minimum d.h.w.
  • Page 25 TECHNICAL SPECIFICATIONS Heating/d.h.w. maximum gas flow rate Chimney design # Methane G20 3,59 Max. flue gas temperature °C Propane G31 kg/h 2,63 Min. flue gas temperature °C Minimum gas flow rate in heating mode Max. flue gas mass flow rate kg/s 0,0196 Methane G20...

  • Page 26: Hydraulic Characteristics

    TECHNICAL SPECIFICATIONS 4.7 Hydraulic characteristics The by-pass is calibrated for a differential pressure of approx. 0.3-0.4 bar. The hydraulic characteristics represent the pressure (head) available in the heating system based on the flow rate. 4.8 Expansion vessel The difference in height between the safety valve and the highest point in the system can be max.

  • Page 27: Installation

    INSTALLATION INSTALLATION distributing companies and with the require- ments of current technical standards and laws. 5.1 Warnings The safety valve must be connected to a suit- able discharge duct to avoid flooding if it is Protective gloves must be worn. triggered.

  • Page 28: Installing The Boiler Bracket

    INSTALLATION • Do not add antifreeze or anticorrosion products to the heating water in the wrong concentrations or use those with chemical/ physical characteristics that are incompati- ble with the boiler’s hydraulic components. The manufacturer does not assume any liabil- ity for this type of damage.

  • Page 29: Fittings

    INSTALLATION J RR - Heating and tank return 35 165 H-I-J Figure 5.3 • Tighten the quick fittings and taps on the hy- draulic system. Figure 5.2 5.5 Fittings The boiler uses the following fittings: Cock Pipe ø Ø 16/18 Ø...

  • Page 30: Installing The Dhw Tank

    INSTALLATION Figure 5.7 Figure 5.5 Connect the hot water tank coil return (RR) to the heating return pipe (9 in Figure 5.8). 5.7 Installing the DHW tank The DHW tank must be positioned under the boiler as shown in Figure 5.6. Figure 5.8 5.8 Flue gas outlet dimensions and Figure 5.6...
  • Page 31 INSTALLATION The outlet duct must be con- Coaxials Ø 60/100 mm Diaphragm structed in such a way as to abso- lutely prevent the stagnation of M290E.24CV condensate inside the duct as For lengths between Ø 38 mm well as the backflow of the con- 0.5 m and 1 m densate inside the combustion For lengths between...
  • Page 32 INSTALLATION with the parameters in the previous tables. Model Max length (A+B) The terminal must always discharge horizon- 24 kW 30 metres tally. 28 kW 30 metres Additional 45° or 90° elbows (Figure 5.12 32 kW 15 metres Extensions are available in order to achieve Coaxial elbows Ø...
  • Page 33 INSTALLATION If the flue gas outlet pipe crosses M290E.24CV through inflammable walls, it Diaphragm must be insulated with at least 5 Twin split pipes cm of insulation. Ø 80/80 mm Flue gas For lengths between Ø 38 mm Ø no 90°...
  • Page 34 INSTALLATION In the flue gas exhaust duct Extensions are available for reaching the there's a risk of condensation for maximum height. sections longer than 7 metres. Its maximum height (L Figure 5.19) with the extensions is: TYPE C Coaxials Ø 80/125 mm Diaphragm If using ducts and terminals from another man- (Roof outlet)
  • Page 35 INSTALLATION For lengths greater than 1 metre, Extensions are available in order to achieve install the condensate collection the maximum permissible lengths. fitting. B22 Ø 80 mm outlet Diaphragm M290E.24CV Outlet kit TYPE B (Figure 5.21) For lengths This type of flue gas outlet extracts the nec- Ø...

  • Page 36: Electrical Connections

    INSTALLATION 5.9 Electrical connections to release the cables from the cable gland (Figure 5.24). • Unscrew the screws K and remove the front • Loosen the screws Q and lift the cover R panel L by pulling it towards you Figure 5.23. (Figure 5.24).

  • Page 37: Connecting A Room Thermostat Or Zone

    INSTALLATION must have a minimum section of 0.75 mm , be Connecting zone valves controlled by the room thermostat kept away from hot or sharp parts, and comply with current technical standards. Combustion chamber ambient 5.10 Connecting a room thermostat or zone valves Connect the cable for the room thermostat with a label in Figure 5.26.

  • Page 38: Electrical Connection Of The Dhw Tank Thermostat Or Ntc Probe And Setting

    INSTALLATION 5.12 Electrical connection of the DHW tank thermostat or NTC probe and setting To connect the hot water tank thermostat to the boiler use electric cables with a section no less than 0.50 mm The electrical conductors for connecting the probes to the boiler must go through different channels from those for the mains voltage (230 V), as they are supplied...

  • Page 39: Anti-Legionella Function

    INSTALLATION PROGRAMMING The boiler is set by the manufacturer to oper- ate with a boiler thermostat. RESET Checking hot water tank with thermostat • Enter “programming mode” by following the procedure indicated in "Accessing the "pro- Figure 5.34 gramming mode"" on page 37. •...

  • Page 40: Electrical Connection Of The Remote Control

    INSTALLATION 5.14 Electrical connection of the re- Setting the anti-legionella activation fre- quency mote control (optional) • Enter “programming mode” by following the Use the ambient thermostat cable marked procedure indicated in "Accessing the "pro- with a label indicated in Figure 5.26 to connect gramming mode""...

  • Page 41: (Optional)

    INSTALLATION Boiler side RESET Figure 5.40 • Press 11 or 12 (Figure 5.38) to confirm the value entered and return to the list of param- eters (Figure 5.39). Voltage free contacts for • Press the 16 button (Figure 5.38) to exit the Room thermostat “programming mode”.
  • Page 42 INSTALLATION Delivery temperature °C (28-55°C) Figure 5.44 External temperature °C K=0.2 K=0.5 K=1.0 K=1.5 K=2.0 K=2.5 K=3.0 K=A52 Figure 5.42 RESET Delivery temperature °C (50-80°C) Figure 5.45 • Scroll through the various parameters using 11 or 12 until the LCD display shows the code P07, indicating entry into “parameter P07”...

  • Page 43: Selecting The Maximum Heating

    INSTALLATION is possible to modify the value of parameter temperature trend for K 1.0 is shown in Figure 5.49, while, with temperature setting 50-80°C P07: 00 = probe disabled (preset) (factory preset), the temperature trend for K 01 = probe enabled 1.0 is shown in Figure 5.50.

  • Page 44: Selecting The Heating Temperature Set

    INSTALLATION (low temperature). Please see also “Selecting • Press 11 or 12 (Figure 5.51) to confirm the the heating temperature setpoint”. For specific value entered and return to the list of param- heating system needs, once the climatic curve eters (Figure 5.53). has been set, the maximum temperature can •...

  • Page 45: Setting Pump Post-Circulation

    INSTALLATION A02: code P03, indicating entry into “parameter 01 = high temperature (50/80°C) P03” (Figure 5.58). 02 = low temperature (28/55°C) • Press 11 or 12 (Figure 5.54) to confirm the RESET value entered and return to the list of param- eters (Figure 5.55).

  • Page 46: Examples Of Hydraulic Systems With Hydraulic Separator (Optional)

    INSTALLATION modify the value of parameter P05 from 0 to 255 minutes. • Press 11 or 12 (Figure 5.60) to confirm the value entered and return to the list of param- eters (Figure 5.62). • Press the 16 button (Figure 5.60) to exit “programming mode”.
  • Page 47 INSTALLATION Examples of hydraulic systems High temperature zone + low temperature zone. External temp. probe Low temp. zone High temp. zone Figure 5.64 High temperature zone + 2 low temperature zones. External Low temp. temp. zone 1 probe Low temp High temp.

  • Page 48: Preparation For Service

    PREPARATION FOR SERVICE PREPARATION FOR SERVICE Filling the circuit • Remove the front panel on the body, see 6.1 Warnings section "Removing the body panels" on page 57. Before performing the opera- • Open the installed water cocks. tions described below, make sure that the installed two-way •...
  • Page 49 PREPARATION FOR SERVICE • Electrically power the boiler by activating shown in section "CHECKING THE GAS the installed bipolar switch. The LCD dis- SETTING" on page 50 of this manual. play will show the message OFF (Figure • Check that the condensate produced 6.4).

  • Page 50: Checking The Gas Setting

    CHECKING THE GAS SETTINGS CHECKING THE GAS SETTING 7.1 Warnings Each time after measuring the gas pressure, fully close all tapping points that were used. After each gas adjustment, the valve adjustment components must be sealed. Warning: risk of electrocution. Figure 7.1 The boiler is live during the opera- •...
  • Page 51 CHECKING THE GAS SETTINGS Compare the pressure value measured with that shown in the "Maximum gas pressure at burner" tables. To calibrate the pressure at the RESET burner turn the large brass hexagonal nut of the modulating operator 27 MAX in Figure 7.8 (turning it clockwise increases the pressure).
  • Page 52 CHECKING THE GAS SETTINGS Check minimum burner pressure • Enter “programming mode” by holding down buttons 16 and 17 for 5 seconds at the same RESET time (Figure 7.2). The code P00 appears on the display, indicating entry into “parameter P00”...

  • Page 53: Setting Burner Ignition

    CHECKING THE GAS SETTINGS the valve adjustment components must be L1P34-LUCA 32 S - Min. gas pressure at the burner sealed. Methane G20 mbar 7.3 Setting burner ignition Propane G31 • Disconnect the boiler from the electric pow- mbar er supply. 1 mbar corresponds to approx.
  • Page 54 CHECKING THE GAS SETTINGS on the display, indicating entry into “parame- ter P01” (Figure 7.24). RESET RESET Figure 7.22 • Press 15 (Figure 7.21) to show the value of Figure 7.24 parameter P00 on the LCD display (Figure 7.23). • Press 15 (Figure 7.21) to show the value of parameter P01 on the LCD display (Figure 7.25).

  • Page 55: Gas Conversion

    GAS CONVERSION GAS CONVERSION • Restore electric power to the boiler. 8.1 Warnings The boiler is factory set to operate with natural gas (G20). The operations to adapt the boiler to the type of gas available must be carried out by an authorised To set boiler operation to LPG gas (G31), car- service centre.
  • Page 56 GAS CONVERSION • Press 11 or 12 (Figure 8.2) to confirm the value entered and return to the list of param- eters (Figure 8.3). • Press the 16 button (Figure 8.2) to exit “pro- gramming mode”. • Calibrate the gas valve according to the in- structions in section "CHECKING THE GAS SETTING"...

  • Page 57: Maintenance

    MAINTENANCE MAINTENANCE 9.1 Warnings Protective gloves must be worn. Cool down the appliance by shut- ting off the gas cock and with- drawing a large quantity of water by opening the system's DHW cocks. The operations described in this section must only be performed by professionally qualified per- sonnel, therefore you are advised Figure 9.1...

  • Page 58: Emptying The Dhw Circuit

    MAINTENANCE • To make draining easier, unscrew the auto- matic bleed valve cap 22 in Figure 9.5. Figure 9.3 9.3 Emptying the DHW circuit • Close the installed DHW inlet cocks . Figure 9.5 • Open the system's DHW cocks. 9.5 Cleaning the primary exchanger 9.4 Emptying the heating circuit Remove the front body panel and the front...

  • Page 59: Cleaning The Burner

    MAINTENANCE 9.8 Cleaning the burner 9.10 Checking boiler efficiency The ramp and multi-gas type burner does not Carry out performance checks at the intervals require any special maintenance, simply dust anticipated by the regulations in force. it off using a bristle brush. More specific main- tenance for this component will be assessed •...

  • Page 60: Setting The Boiler's Chimney Sweep Function

    MAINTENANCE Chimney sweep function at minimum out- Model L1P34-LUCA 32 S put in domestic hot water mode • Scroll through the various parameters using Nominal heat input 33,9 11 or 12 until the LCD display shows the Nominal efficiency 93,1 code P06, indicating entry into “parameter Combustion efficiency 94,1...

  • Page 61: Settings For Changing The Control Board

    MAINTENANCE put. • Press the button 11 or 12 (Figure 9.11) to confirm the value entered and activate the function. (Figure 9.16). RESET Figure 9.16 Figure 9.18 • To exit the chimney sweeper, reset the value of parameter P06 to 00 or wait 15 minutes with the boiler off (OFF).
  • Page 62 MAINTENANCE dicating entry into “parameter A00” (Figure 00 = Methane gas (G20) 01 = Propane gas - LPG (G31) 9.21). RESET RESET Figure 9.21 Figure 9.24 • By using buttons 14 or 15 (Figure 9.18) it • Press 11 or 12 (Figure 9.18) to confirm the is possible to modify the value of parameter value entered and return to the list of param- A00 (Figure 9.22).
  • Page 63 MAINTENANCE code A18, indicating entry into “parameter A18” (Figure 9.27). RESET RESET Figure 9.30 Figure 9.27 • Press 11 or 12 (Figure 9.18) to confirm the value entered and return to the list of param- • By using buttons 14 or 15 (Figure 9.18) it eters (Figure 9.29).

  • Page 64: Boiler Disposal And Recycling

    BOILER DISPOSAL AND RECYCLING BOILER DISPOSAL AND RECY- CLING The boiler and any accessories must be disposed of correctly, recycling the different materials where possible. The installer must dispose of the packaging used to transport the boiler. Please observe the regulations currently in force regarding re- cycling and disposing of the boiler and any accessories.
  • Page 65 NOTE - 65 -...
  • Page 66 NOTE - 66 -...
  • Page 68 BSG Caldaie a Gas S.p.a. Registered office, sales and administrative headquarters, plant and technical support 33170 PORDENONE (Italy) – Via Pravolton, 1/b +39 0434.238311 +39 0434.238312 www.biasi.it Sales headquarters +39 0434.238400 Technical support +39 0434.238387 This manual replaces previous versions.

This manual is also suitable for:

Rinnova m290e.24cvRinnova m290e.28cvRinnova m290e.32cv

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