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Radiant R2K 34 RAIN Installation And Maintenance Manual

Condensing boiler with integrated heat exchanger for domestic hot water side, suitable for outdoor installation
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Installation
and Maintenance Manual
for model
R2K 34 RAIN
Condensing boiler with integrated heat
exchanger for domestic hot water side,
suitable for outdoor installation
R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS

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  • Page 1 Installation and Maintenance Manual for model R2K 34 RAIN Condensing boiler with integrated heat exchanger for domestic hot water side, suitable for outdoor installation R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 2 Contact Details Office Address: 10 Frankston Gardens Drive, Carrum Downs, Victoria, Australia, 3201 Email Address: sales@hydronicsupplies.com.au Website: www.hydronicsupplies.com.au Phone: (+61 3) 9708 2600 Fax: (+61 3) 9708 2700...

  • Page 3: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 4 TABLE OF CONTENTS 2.2.13. ACCESSING THE BOILER 2.2.14. ACCESSING THE ELECTRONIC BOARD 2.2.15. SYSTEM EMPTYING 2.2.16. FAULT SIGNALLING CODES 2.2.17. ACTIVE FUNCTIONS SIGNALLING CODES 2.2.18. GAS CONVERSION R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 5: Introduction

    DO NOT PLACE ARTICLES ON OR AGAINST THIS another section in the Manual that you should APPLIANCE. refer to. DO NOT MODIFY THIS APPLIANCE. › Device: this term is used referring to the boiler. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 6 › the material and intellectual ownership of this manual and forbids its distribution and duplication, even partial, without prior written authorization. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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 location must be properly vented through an avoid that the combustion air is exposed to chlorine, air vent. ammonia or alkaline agents that may worsen the corrosion phenomenon of the heat exchanger. Failure R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 9: Reference Legislation

    AS/NZS 5601 – Gas installations (installation and pipe sizing), local gas fitting regulations, local electrical regulations, local water regulations, local health regulations, Building Code of Australia and any other government authority. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 11: 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 2. 1200 mm R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 12 R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 13: Overall Dimensions

    1. INSTALLATION 1.1.6. OVERALL DIMENSIONS 1.1.7. JIG HEATING RETURN Ø 3/4 Ø 1/2 Ø 3/4 COLD Ø 1/2 HEATING FLOW Ø 3/4 R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 14: Circulator Prevalence/Flow Diagram

    3210/ 35 PWM1 2730/ 45 FLOW RATE (m PWM1 2250/ 55 PWM1 1760/ 65 PWM1 1280/ 75 Q/m³/ h Q/l/s Circulator priority maximum speed Q/Igpm max. Appliance Loss Q/m³/ h R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 15: Check List

    This is just a air purge function and will last for commissioning mins. (Please Allow This Cycle To Finish) “Refer to Pg 31 for more details” “Refer to Pg 22 for more details” Control Panel R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 16: Hydraulic Connection

    The company assumes no liability for plant overpressure. damage caused to persons or for failure to comply with these instructions. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 17: System Filling

    3 the loading tap “R” (fig. 2) is properly closed. Unscrew the circulator cap (2-fig.1) to release any air bubbles and close it to prevent water leakage; R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 18: Filling The Condensate Collection Siphon

    › Connect the dedicated flexible condensate draining tube 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 19: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 20: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 21: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 22: Optional Electrical Connections

    “A” and the front casing. establishing the connection, the used interface on the board is disabled and the display shows the symbol ‘ ’. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 23 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 24: Fume Exhaust Fittings

    › In order to discharge the fumes through a fumes exhaust duct carefully follow the technical standards in force. INSTALLATION REQUIREMENTS For Australia – refer to AS/NZS 5601 and local authority for minimum clearances as illustrated below: R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 25 1. INSTALLATION R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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° = R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • 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° = R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 28 PLEASE NOTE: during the flue analysys tests, place the analyser inside the frontal flue kit terminal slots. SECTION A-A R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 29: Support Centre Section

    2. SUPPORT CENTRE 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. Gas leakage and operation of the appliance must be tested by the installer before leaving. When satisfied with the operation, please instruct the consumer on the correct method of operation.

  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 31: Boiler Commissioning

    2 minutes. Throughout this function the display will show the code “F33”. The boiler can work normally only after completing the operation. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 36 THROUGH THIS PARAMETER YOU CAN SET THE MINIMUM TIME FOR WHICH IN MULTIPLES OF 5 THE BURNER WILL BE TURNED OFF ONCE THE HEATING TEMPERATURE SECONDS REACHED THE USER SET TEMPERATURE. (PRE-SET AT 36 X 5 = 180 SECONDS) R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 37 DURING A REQUEST TO OPERATE 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 38 SUCH 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 39 FOR DOMESTIC HOT WATER, THE FLOW SWITCH 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 40 (FOR STORAGE BOILERS ONLY) IN °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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 41 THE VALUE IS EXPRESSED THROUGH THIS PARAMETER, IT IS POSSIBLE TO SET THE HEATING WATER IN °C (SET BY DEFAULT TEMPERATURE AT WHICH THE ANTI-FREEZE PROTECTION DEVICE STARTS AT 8 °C) WORKING. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 42 39 Hz = 7 l/min 44 Hz = 8 l/min 50 Hz = 9 l/min 55 Hz = 10 l/min 61 Hz = 11 l/min 66 Hz = 12 l/min R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 43: Electric Fan Frequency/Heat Capacity Diagram

    2. FIRST START-UP 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM Natural Gas (Black) Propane only (Orange) FREQUENCY (Hz) GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY Natural Gas (Black) Universal LPG (Orange) R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 44: Maintenance

    › remove and clean the burner from oxidation; or neutralization devices for acid condensate. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 45 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 46: Technical Data

    Specific capacity in continuous service - Δt 30°C litres/min Dimensional characteristics Width Depth Height Gross weight Water connections Flow Ø 3/4” Cold water Ø 1/2” Hot water Ø 1/2” Ø 3/4” R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 47 Heating Max. fan speed - Universal LPG D.H.W Max fan speed - Universal LPG Heating Min. fan speed - Universal LPG D.H.W Min. fan speed - Universal LPG Fuel consumption - Universal LPG MJ/h R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 48: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 49: Hydraulic Board

    AIR RELIEF VALVE CIRCULATOR 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 R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 50: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 51: Wiring Diagram

    SR: HEATING PROBE L: LINE 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 R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 52: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 53: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 54: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 55: 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 56 THE FLOW RATE VALUE INCREASE THE FLOW RATE OR LOWER AUTOMATIC. DETECTED BY THE THE VALUE AT PARAMETER P33. FLOWMETER IS LOWER THAN THE VALUE SET AT PARAMETER P33. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 57 REMOTE CONTROL IS NOT COMPATIBLE WITH THE P.C.B. COMMUNICATION ERROR NO ELECTRICAL CHECK THE WIRING; AUTOMATIC. BETWEEN THE BOILER CONNECTION; BOARD AND THE MODBUS BOARD MODBUS BOARD BROKEN; REPLACE IT; R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 58 SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS). COMMUNICATION FAULT NO ELECTRICAL CHECK THE WIRING; AUTOMATIC. BETWEEN MODBUS CONNECTION; CONTROLLER AND MODBUS CONTROL UNIT MODBUS CONTROL UNIT REPLACE IT; BROKEN. R2K 34 RAIN - RAD - ING - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...

  • Page 60: Gas Conversion

    TYPE SELECTION’ from the control panel (see fig. 3 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 - Man.Inst. - 1901.1_V3_firm.L224C_AHS...
  • Page 64 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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R2k 34

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