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Radiant R2K 34 RAIN Installation, Use And Maintenance Manual

Condensing boiler, with integrated heatexchanger for domestic hot water side,suitable for outdoor installation
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Installation, Use
and Maintenance Manual
for model
R2K 34 RAIN
Condensing boiler, with integrated heat
exchanger for domestic hot water side,
suitable for outdoor installation
0476
R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E

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Summary of Contents for Radiant R2K 34 RAIN

  • Page 1 Installation, Use and Maintenance Manual for model R2K 34 RAIN Condensing boiler, with integrated heat exchanger for domestic hot water side, suitable for outdoor installation 0476 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 2: Table Of Contents

    2.1.5. DIGITECH CS PARAMETERS TABLE 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM 2.2. MAINTENANCE 2.2.7. GENERAL MAINTENANCE WARNINGS 2.2.8. TECHNICAL DATA 2.2.9. TECHNICAL ASSEMBLY 2.2.10. HYDRAULIC BOARD 2.2.11. 3-WAY VALVE OPERATION 2.2.12. WIRING DIAGRAM R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 3 3.1.7. INFORMATIONAL NOTE ON ANTI-FREEZE FUNCTION 3.1.8. SYSTEM FILLING 3.1.9. FAULT SIGNALLING CODES 3.1.10. ACTIVE FUNCTIONS SIGNALLING CODES 3.1.11. FAST H2O FUNCTION 3.1.12. MAINTENANCE 3.1.13. COVER CLEANING 3.1.14. DISPOSAL R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 4: Introduction

    › (See chap “chapter name”): this entry indicates another section in the Manual that you should refer to. › Device: this term is used referring to the boiler. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 5 PRODUCT CONFORMITY RADIANT BRUCIATORI spa declares that its gas boilers comply with the European Directives and with the requirements provided in the European standards below: › Eco-design Directive 2009/125 CE, R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 7: Installer Section

    1. INSTALLER SECTION 1. INSTALLER SECTION The installation operations described in this section should be performed only by qualified personnel, having the appropriate technical training in the field for the installation and maintenance of components of civil and industrial domestic hot water production and heating plants.

  • Page 8: Installation

    The air vent must be placed at floor level to prevent exposition to atmospheric agents and, in particular, it from being obstructed, protected by a grid that to UV rays. does not hamper the useful section of passage. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 9: Reference Legislation

    1.1.3. REFERENCE LEGISLATION The installation must be realized according to the requirements of current legislation and in compliance with local technical regulations, according to the indications of the good technique. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 10: Unpacking

    › Turn the boiler at 90° holding it with your hand (fig. 1-B). › Lift the box (fig. 1-C) and remove the guards (fig. 1-D). fig. 1 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 11: Overall Dimensions

    1. INSTALLATION 1.1.5. OVERALL DIMENSIONS 1.1.6. JIG RETURN Ø 3/4 Ø 1/2 Ø 3/4 COLD Ø 1/2 INFEED Ø 3/4 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 12: Positioning And Minimal Technical Spaces

    X - 60 mm fig.1 It is allowed an outdoor installation in a partially protected location (i.e. shelter, balcony) that respect the minimum measure indicated in figure 1200 mm R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 13 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 14: Circulator Prevalence/Flow Diagram

    (see fig.1) so as to allow the condense to drain. fig.1 1.1.8. CIRCULATOR PREVALENCE/FLOW DIAGRAM Wilo-Yonos PARA MSL 12/6B p/kPa Q/m³/ h Q/l/s Q/Igpm max. Q/m³/ h Appliance Loss R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 15: Hydraulic Connection

    15 °f. However, please check the characteristics of the water used and install suitable treating devices. The heat exchanger coil cleaning frequency depends on the hardness of the supply water and on R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 16: System Filling

    “M” (fig. 2) to make sure that the system pressure reaches 1.2 bar (fig. fig. 2 after performing this operation, make sure that the loading tap “R” (fig. 2) is properly closed. fig. 3 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 17: Filling The Condensate Collection Siphon

    › Connect the dedicated flexible condensate draining tube “P” to a waste disposal system. The condensate can be drained directly in the sewerage system by inserting an easily serviceable siphon. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 18: Anti-Freeze Protection

    If the temperature goes below -10° centigrades, please fill the plant with anti-freeze liquid (CLEANPASS FLUIDO AG cod. 98716LA) and insert and electrical resistances kit (cod. 82259LP). R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 19: Gas Connection

    WARNING It is strictly forbidden the use of adaptors, multiple plugs and/or extensions for the general power supply of the equipment from the electrical network. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 20: Power Supply

    · the blue cable to the terminal marked with “N”. · the brown cable to the terminal marked with “L”. After performing these operations, remount plate “A” and the front casing. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 21: Optional Electrical Connections

    “A” and the front casing. mode and after establishing the connection, the used interface on the board is disabled and the display shows the symbol ‘ ’. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 22 TAZ1: ENVIRONMENT THERMOSTAT AREA 1 ORANGE TAZ 2: ENVIRONMENT THERMOSTAT AREA 2 BLACK VZ1: AREA 1 VALVE BROWN VZ2: AREA 2 VALVE LIGHT BLUE VZR: REMOTE CONTROLLED AREA VALVE R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 23: Fume Exhaust Fittings

    › In order to discharge the fumes through a fumes exhaust duct carefully follow the technical standards in force. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 24: Installation Modes

    · they must be realized so as to make sure that · Be sealed and realised in materials suitable the opening inlets are not obstructed (neither to resist normal mechanical stress, heat, indoors nor outdoors); R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 25 50% the section of the vents. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 26: Types Of Fume Exhaust Systems

    Subsequent addition of a curve is similar to adding a linear length of tube according to the indications below: co-axial curve Ø80 to 90° = 1.5 m co-axial curve Ø80 to 45° = 1.2 m R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 27 Subsequent addition of a curve is similar to adding Ø80 a linear length of tube according to the indications below: co-axial curve Ø80 to 90° = 1.5 m co-axial curve Ø80 to 45° = 1.2 m R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 29: Support Center Section

    1. SUPPORT CENTRE SECTION 2. SUPPORT CENTER SECTION All operations described below relative to first start- up, maintenance and replacement should be performed only by qualified personnel and authorized by RADIANT BRUCIATORI S.p.A.

  • Page 30: First Start-Up

    Local and National Laws and Standards; › make sure that the heating system gate valves are open; › make sure that there is no intake of gaseous products within the system; R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 31: Boiler Commissioning

    › If the flame is missing, the board will repeat the start-up operations after post-ventilation (20 seconds). › You might have to repeat the start-up operation several times to release all the air inside the gas R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 32: Co2 Value Check And Calibration

    › After each adjustment variation on screw ‘1’ (fig. 2) of the gas flow adjuster you have to wait for the boiler to stabilize itself to the set value (about 30 seconds). R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 33: Accessing And Programming The Parameters

    ’with the message ‘P00’, and release the keys ‘ ’ and ‘ ’. Use the keys ‘ ’ and ‘ ’ of the heating circuit to select the parameter to be edited. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 34 To exit the parameters menu, hold at the same time the keys ‘ ’ and ‘ ’ and wait for the symbol ‘ ’ to appear on the display. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 35: Digitech Cs Parameters Table

    0 - 5 0 = ISTANTANEOUS R2K 1 = ISTANTANEOUS RKR 2 = ACCUMULATION 3 = ACCUMULATION COMFORT 4 = ISTANTANEOUS COMFORT - FAST H2O 5 = HEATING ONLY R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 36 MULTIPLES OF 5 SECONDS TIME FOR WHICH THE BURNER WILL BE TURNED OFF ONCE (PRE-SET AT 36 X 5 = 180 THE HEATING TEMPERATURE REACHED THE USER SET SECONDS) TEMPERATURE. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 37 IN HEATING MODE. [SEE CHAPTER ‘HEAT CAPACITY DIAGRAM (KW) – ELECTRIC FAN FREQUENCY (HZ)’]. THE VALUE IS PRE-SET BASED ON THE SET POWER (SEE PARAMETER P00) AND ON THE GAS TYPE (SEE PARAMETER P02) R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 38 DOMESTICH HOT WATER TREATMENT (AND INFORM THE USERS) TO AVOID UNFORSEEABLE DAMAGES TO PERSONS, ANIMALS AND PROPERTY. A THERMOSTATIC VALVE SHOULD BE INSTALLED AT THE DOMESTIC HOT WATER OUTLET TO AVOID ANY BURNS. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 39 AND THE BOILER WILL TURN ON. EXAMPLE 2: WITH THE BOILER CLOCK SWITCH CLOSE, UPON THE REQUEST FOR DOMESTIC HOT WATER, THE FLOW SWITCH AND THE BOILER WILL NOT TURN ON. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 40 (ONLY WITH MODULATING PUMP AND RETURN PROBE PERCENTAGE CONNECTED) THROUGH THIS PARAMETER YOU CAN SET THE MAXIMUM SPEED VALUE OF THE MODULATING PUMP DURING A REQUEST TO OPERATE IN HEATING MODE. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 41 (FOR STORAGE BOILERS ONLY) °C (PRE-SET AT 9°C) THROUGH THIS PARAMETER YOU CAN SET THE PRIORITY STARTING VALUE OF THE STORAGE TANK, COMPARED TO THE USER ADJUSTABLE D.H.W SETPOINT. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 42: Electric Fan Frequency/Heat Capacity Diagram

    2. FIRST START-UP 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM FREQUENCY (Hz) GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 43: Maintenance

    › remove and clean the burner from oxidation; or neutralization devices for acid condensate. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 44 2. MAINTENANCE › check that the liquid flow is not obstructed and that there are no combustion gas refluxes inside the internal system. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 45: Technical Data

    Adjustable domestic temperature °C 35-60 Maximum pressure for domestic circuit Minimum pressure for domestic circuit Specific capacity in continuous service - Δt 30°C litres/min Dimensional characteristics Width Depth Height Gross weight R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 46 Heating Max. fan speed - G31 D.H.W Max fan speed - G31 Heating Min. fan speed - G31 D.H.W Min. fan speed - G31 Fuel consumption - G31 kg/h 2.64 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 47 At rated heat output of cogeneration space heater with CHP100+Sup100 Rated heat output Psup Type of energy input Other items Standby heat loss P stby Ignition burner power consumption P R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 48 (*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature at heater outlet. (**) 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). R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 49: Technical Assembly

    14. LIGHT UP ELECTRODE 15. EXPANSION TANK 16. START-UP TRANSFORMER 17. AIR SUCTION TUBE 18. PROPORTIONAL VENTURI 19. WATER PRESSURE SWITCH 20. CONDENSATE COLLECTION SIPHON 21. DIVERTER VALVE 22. FLOW SWITCH R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 50: Hydraulic Board

    SAFETY VALVE 3 bar SYSTEM DRAINING TAP 10. GAS VALVE 11. DOMESTIC CIRCUIT PROBE 12. SAFETY THERMOSTAT 13. HEATING PROBE 14. EXPANSION TANK 15. AIR SUCTION TUBE 16. PROPORTIONAL VENTURI R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 51: 3-Way Valve Operation

    (see ‘C’ - fig. 1). › The RED color (with C-A) indicates the operation in the Domestic Hot water mode. › The BLUE color (with C-B) indicates the operation in Heating mode. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 52: Wiring Diagram

    GI: YELLOW TRA:START-UP TRANSFORMER SS: DOMESTIC CIRCUIT PROBE N: NEUTRAL BI: WHITE TF: FUMES THERMOFUSE (102°C) EV: ELECTRIC FAN NE: BLACK GR. GREY VD: DIVERTER VALVE SRI: RETURN SENSOR R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 53: Accessing The Boiler

    › remove the fastening screws (5) placed on the front edge of the side panel; › grab the bottom of the panel, and remove it by moving it sideways and pulling it upwards. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 54: Accessing The Electronic Board

    (fig. 1) loosening them and turn the panel downwards; › unscrew the four fastening screws 1 - fig. 1; › remove the crankcase pulling it upwards. fig. 1 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 55: System Emptying

    › close the main supply tap of the water supply network; › open all cold and hot water taps; › after completing all operations, close the discharge tap and all previously opened water taps. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 56: Fault Signalling Codes

    IF THE TENSION MEASURES BETWEEN PHASE-PHASE NEUTRAL AND GROUND IS ALMOST EQUAL TO THE ONE MEASURED BETWEEN PHASE AND GROUND, YOU HAVE TO INSTALL A PHASE-PHASE TRANSFORMER KIT (COD. 88021LA) R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 57 CHECK THE WIRING. PROBE CONNECTOR. RETURN PROBE BROKEN OR INCORRECTLY REPLACE IT; AUTOMATIC. CALIBRATED PROBE (RESISTANCE VALUE 10 KOHM AT 25 °C NTC); DISCONNECTED OR WET CHECK THE WIRING. PROBE CONNECTOR. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 58 SUPPLY VOLTAGE OFF THE CHECK THE POWER SUPPLY AUTOMATIC. OPERATION RANGE ( 160 NETWORK (THE ERROR DEACTIVATES VOLTS). AUTOMATICALLY AS SOON AS THE SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS). R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 59: Active Functions Signalling Codes

    YOU CAN ACTIVATE/DEACTIVATED IT BY HOLDING SIMULTANEOUSLY AND FOR 7 SECONDS THE RESET ‘ ’ AND ‘ ’ OF THE DOMESTIC CIRCUIT . THE “FAST H2O” FUNCTION GUARANTEES THE IMMEDIATE D.H.W SUPPLY AT THE REQUESTED TEMPERATURE. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 60: Gas Type Transformation

    3 (see chapters ‘DIGITECH CS PARAMETERS TABLE’ and ‘ACCESSING AND PROGRAMMING THE PARAMETERS’); › adjust the CO2 combustion value as indicated in chapter ‘CO2 VALUE CHECK AND CALIBRATION’. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 61: User Section

    1. USER SECTION 3. USER SECTION The operations described in this section are addressed to all those who will use the machine. The machine must be used and accessed only by qualified operators that fully read and understood the User section, paying particular attention to the warnings.

  • Page 62: Use

    DANGER DO NOT obstruct the air vents of the location in which the gas device is installed to prevent the formation of toxic explosive mixes. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 63: Control Panel

    SWEEP FUNCTION ACTIVATION (HOLD FOR 7 SECONDS). DOMESTIC WATER TEMPERATURE ADJUSTMENT KEY / HOLD THE KEYS AT THE SAME TIME FOR 5 SECONDS TO ACTIVATE DISPLAY BACK LIGHT FOR 10 MINUTES. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 64: Display Icons

    11. OPERATION IN DOMESTIC MODE ENABLED 12. ERROR DISPLAY THAT CAN BE RESET 13. OFF OPERATING MODE 14. ERROR DISPLAY THAT CAN NOT BE RESET 15. OPERATION IN HEATING MODE ENABLED R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 65: Info Menu Display Data

    SOLAR BOILER TEMPERATURE (BOTTOM) [IF SOLAR BOARD INSTALLED] (SBSI) SOLAR BOILER TEMPERATURE (TOP) [IF SOLAR BOARD INSTALLED] (SBSS) SOLAR COLLECTOR PROBE TEMPERATURE 2 [IF SOLAR BOARD INSTALLED] (SCS2) EXTRA SOLAR BOILER TEMPERATURE [IF SOLAR BOARD INSTALLED] (SBS3) R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 66: Start-Up

    OFF MODE burner; this is indicated by displaying the symbol ‘ ’ blinking. In this mode the boiler no longer meets the heating and domestic hot water demands, the anti-freeze, R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 67: Informational Note On Anti-Freeze Function

    › the boiler is not blocked. gas supply. › Or leave the boiler in OFF operating mode keeping active the electrical and gas supplies so that the anti-freeze function may activate. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 68: System Filling

    2 minutes system relief cycle. Throughout this function the display will fig. 1 show the code “F33”. The boiler can work normally only after completing the operation. fig. 2 R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 69: Fault Signalling Codes

    DOMESTIC CIRCUIT PROBE CONTACT THE TECHNICAL SUPPORT CENTRE. RETURN PROBE CONTACT THE TECHNICAL SUPPORT CENTRE. ELECTRIC FAN CONTACT THE TECHNICAL SUPPORT CENTRE. INSUFFICIENT CIRCULATION CONTACT THE TECHNICAL SUPPORT CENTRE. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 70 ’ BUTTON ON THE CONTROL PANEL TO RESET THE FAULT, AS SOON AS THE ERROR CODE DISAPPEARS FROM THE DISPLAY, THE BOILER WILL START AUTOMATICALLY. SUPPLY VOLTAGE CONTACT THE TECHNICAL SUPPORT CENTRE. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 71: Active Functions Signalling Codes

    › the hot water is immediately supplied at the requested temperature. › unnecessary delays are avoided by increasing the comfort of the final user. › water wastes are limited waiting that the water reaches the right temperature. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...

  • Page 72: Maintenance

    (Waste Electrical and Electronic Equipment) shows that this product can not be dismantled as domestic waste. Proper dismantle of this product helps preventing potentially negative consequences on human health and environment. R2K 34 RAIN - RAD - ING - Manuale - 1612.1_firm.L181E...
  • Page 76 RADIANT BRUCIATORI s.p.a. Via Pantanelli, 164/166 - 61025 Loc. Montelabbate (PU) Tel. +39 0721 9079.1 • fax. +39 0721 9079279 e-mail: info@radiant • Internet: http://www.radiant.it...

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