Radiant R2K 55 Installation And Maintenance Manual
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Radiant R2K 55 Installation And Maintenance Manual

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Installation and
Maintenance Manual for
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WARNING
If the information in these instructions is not followed exactly, a fire or explosion may result causing property
damage, personal injury or death.
— Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
• If you cannot reach your gas supplier, call the fire department.
— Installation on and service must be performed by a qualified installer, service agency or the gas supplier.
R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA
R2K 55
FOR YOUR SAFETY

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Summary of Contents for Radiant R2K 55

  • Page 1 • If you cannot reach your gas supplier, call the fire department. — Installation on and service must be performed by a qualified installer, service agency or the gas supplier. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 2: Table Of Contents

    2.1.5. DIGITECH CS (MIAH402) PARAMETERS TABLE 2.1.6. COMBUSTION BLOWER FREQUENCY/HEAT CAPACITY DIAGRAM 2.2. MAINTENANCE 2.2.7. GENERAL MAINTENANCE WARNINGS 2.2.8. TECHNICAL DATA 2.2.9. TECHNICAL ASSEMBLYTECHNICAL ASSEMBLY 2.2.10. INTERNAL PIPING SCHEMATIC 2.2.11. 3-WAY VALVE OPERATION R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 3 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. CONVERSION TO A DIFFERENT GAS TYPE 2.2.19. POSITIONS OF THE ELECTRODES R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • 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 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 5 PRODUCT CONFORMITY RADIANT BRUCIATORI spa with reference to ANSI Z21.13-2017 • CSA 4.9-2017 GAS FIRED LOW PRESSURE STEAM AND HOT WATER BOILERS, declares that its gas boilers are professionally manufactured. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • 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 Codes, or local codes having jurisdiction. an air vent. Where an exhaust fan or any other air consumption appliance is installed in the same space as the R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 9: Reference Legislation

    This boiler must be installed in accordance with local codes, if any; if not, follow the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CAN/CSA B149.1, as applicable. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • 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 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 11: Overall Dimensions (Inch)

    A - CENTRAL HEATING SUPPLY Ø 3/4” NPT F - COLD WATER INLET Ø 1/2” * ( * ) NOTE: THESE ARE CONNECTION SIZES BEFORE VALVE KIT/CONNECTION CONVERSION KIT IS INSTALLED. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 12: Positioning And Clearances To Combustible Material And Service Clearances

    9 8 " 1 5 . 9 8 " 1 5 . ( 4 0 ( 4 0 fig. C FIXING fig. A fig. B HOLES fig. E fig. D fig. F R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 13 1-1.5° (fig. 8). Perform the connections. LOWER WALL BRACKET fig. 6 LOWER WALL BRACKET 1-1.5° LOWER WALL fig. 7 fig. 8 BRACKET R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 14: Circulator Performance Curve

    1. INSTALLATION 1.1.9. CIRCULATOR PERFORMANCE CURVE UPSO 15-58 AOKR H (ft) Q (US gpm) FLOW RATE US gpm fig. 9 Circulator priority maximum speed - - - - Appliance Loss R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 15: Water Connections

    Based on the characteristics of the inlet water, you should install suitable water R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 16: Pressure Relief Valve Kit

    (150-300mm) of the floor. › Ensure that the discharge line will allow free and complete drainage without restriction. Do not install a reducing coupling or other restriction on the discharge line. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 17: System Filling

    Use pressure gauge “M” (fig. 12) to make sure that the system pressure reaches 1.2 bar (fig. 14); fig. 13 After performing this operation, make sure that the loading tap “R” (fig. 12) is properly closed. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 18: Filling The Condensate Collection Siphon

    These deposits could cause a malfunctioning of the trap. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 19 First phase: nitrates and sulphates filtration through active carbons contained in the first part of the carbon site pipe. In the second phase the pH rises. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 20: Anti-Freeze Protection

    If the temperature goes below 14 °F (-10 °C) centigrades, please fill the plant with anti-freeze liquid (CLEANPASS FLUIDO AG cod. 98716LA) and insert and electrical resistances kit (cod. 82259LP). R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 21: Gas Connection

    › The gas supply pressure falls within the values WARNING indicated on the data plate. It is strictly forbidden to use adaptors, multiple plugs and/or extensions for the general power supply of the equipment from the electrical supply. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 22: Power Supply

    · the brown cable to the terminal marked with “L”. After performing these operations, remount plate “A” and the front casing. Note: A 3-prong plug is provide with every unit and the above wiring has been performed. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 23: Optional Electrical Connections

    The communication between board and remote control takes place independently from the boiler’s operating mode and after establishing the connection, the used interface on the board is disabled and the display shows the symbol ‘ ’. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 24 GREY 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 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 25: Venting

    BH Gas Venting Systems certified to ULC S636. Types of venting configurations for this appliance are, co-axial vent (pipe with in a pipe), co-linear vent (separate pipes for exhaust and combustion R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 26 Vertical clearance to ventilated 12 in (30 cm) 12 in (30 cm) soffit located above the terminal within a horizontal distance of 2 ft (61 cm) from the center line of the terminal. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 27 † A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings. ‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 28: Types Of Exhaust Systems

    Traps, if used, should have pipe slopes not less than 1/4 Exterior wall Exhaust Distance above avg. in/ft [21 mm/m] downwards to the trap. snow fall or grade Ref: CSA B149.1 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 29 Please refer to Table 1: Allowable vent lenghts for maximum vent run. Single vent installations can be either be installed through the wall or through the roof. 3PPS-VKC-N PolyPro 3” x 5” Concentric Termination Vertical 3”/5” (80/125 mm) R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 30 Please refer to figure ‘F’ for through the roof single vent installations. fig. E 12” minimum above average snow fall fig. F 12” minimum Exhaust 12” minimum 12” minimum Intake above average snow fall Roof R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 31 3” X 2” schedule 40 PVC or CPVC bushing until it bottoms out. · Finally use the gear clamp to tighten the first piece of either 3” or 2” pipe to the adapter. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 32 Ø 3.1/4.9 in 3PPC-HKRAD (fig. 23) (Ø 80/125 mm) * Kits must be purchased via Radiant North America for proper kit. Ø2.3 in (Ø60 mm) Ø3.9 in (Ø100 mm) fig. 23 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 33 * The frequency must be change to a value of 270 Hz only with 2” diameter pipe that has a total vent run of above 18 ft (5.5 ** Vent run consists of allowable vent length for exhaust pipe and an additional allowable vent length for combustible air. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 34 44 ft (13.4 m) 196116 197117 52CVKGVS6503-44 52CVKGVSF9003-44 4” (100 mm) 36 ft (10.9 m) 196021 197021 52CVKGVS6504 52CVKGVSF9004-36 *Kits must be purchased via Radiant North America for proper kit. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 35 3PPS-72C Single Wall Pipe PolyPro 3PPS-E45C Single Wall 45° Elbow PolyPro 3PPS-E90C Single Wall 90° Elbow PolyPro 3PPS-CDC Single Wall Condensate Drain PolyPro 3PPS-TCDC Single Wall Tee w/ Drain Cap R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 37: Support Center Section

    1. SUPPORT CENTER SECTION 2. SUPPORT CENTER SECTION All operations described below relative to first start-up, maintenance and replacement and should be performed only by qualified service technician.

  • Page 38: First Start-Up

    Local and National Laws and Standards in force; › Make sure that the venting and their connections and comply with the requirements of the Local and National Laws and Standards; R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 39: Boiler Commissioning

    Before repeating the operation, wait at least 5 seconds from the last start-up attempt and unlock the boiler from “E01” error code by pressing the Reset ‘ ’ key. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 40: Co2 Value Check And Calibration

    ‘1’ (fig. 25) of the gas flow adjuster. To increase the CO value, turn the fig. 25 screw counter-clockwise and clockwise if you want to decrease it. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 41: Accessing And Programming The Parameters

    ’with the message ‘P00’, and release the keys ‘ ’ and ‘ ’. fig. 27 Use the keys ‘ ’ and ‘ ’ of the heating circuit to select the parameter to be edited. fig. 28 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 42 To exit the parameters menu, hold at the same time the keys ‘ ’ and ‘ ’ and wait for the symbol ‘ ’ to appear on the display. fig. 31 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 43: Digitech Cs (Miah402) Parameters Table

    THE BOILER ACTIVITY IN CASE OF HIGH HEATING FLOW 1 = REDUCED 77-113 °F (25-45 TEMPERATURE. THE COMPANY ASSUMES NO LIABILITY FOR °C) FOR FLOOR SYSTEMS DAMAGE CAUSED TO PERSONS OR FOR FAILURE TO COMPLY WITH THESE INSTRUCTIONS. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 44 THROUGH THIS PARAMETER YOU CAN SET THE PUMP MULTIPLES OF 5 SECONDS OPERATION DURATION ON THE DOMESTIC CIRCUIT, AFTER THE (PRE-SET AT 18 X 5 = 90 TAP IS CLOSED. SECONDS) R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 45 PA R A M E T E R SET AT 120 HZ) THE VALUE IS PRE-SET BASED ON THE SET POWER (SEE P10 - 203 PARAMETER P00) AND ON THE GAS TYPE (SEE PARAMETER P02). R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 46 SUCH DOMESTIC HOT WATER TREATMENT (AND INFORM THE USERS) TO AVOID UNFORESEEABLE DAMAGES TO PERSONS, ANIMALS, PROPERTY. A THERMOSTATIC VALVE SHOULD BE INSTALLED AT THE DOMESTIC HOT WATER OUTLET TO AVOID ANY BURNS. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 47 (SET BY DEFAULT) BUS INDUSTRIAL INPUT 0-10 V TO SET THROUGH EXTERNAL BUS THE BURNER POWER OR THE DELIVERY TEMPERATURE. 1 = TEMPERATURE CONTROL MODE 2 = POWER CONTROL MODE R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 48 BY MEANS OF THIS PARAMETER, IT IS POSSIBLE TO SET THE DEFAULT) ADDRESS OF THE BOARD ON MODBUS IN ORDER TO PERFORM A CASCADE SYSTEM. 1 - 16 BOILER NUMBERING MODBUS R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 49 0 = 86-167 °F (30-75 °C) 1 = STANDARD RESET FUNCTION 86-140 °F (30-60 °C) WITHOUT OUTDOOR TEMPERATURE SENSOR OR 86-167 °F (30-75 °C) WITH OUTDOOR TEMPERATURE SENSOR (SET BY DEFAULT). R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 50 DEFAULT) OPERATION OF THE CIRCULATING PUMP. SHOULD THE PUMP NOT RUN CORRECTLY, THIS PROTECTS THE HEAT EXCHANGER, AS WELL THE OTHER PARTS THAT MIGHT BE AFFECTED BY THE UN-DISSIPATED HEAT. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 51: Combustion Blower Frequency/Heat Capacity Diagram

    WATER LINE Natural Propane Note: The frequency would change based on vent length. See section ‘1.1.21 TABLE 1: ALLOWABLE VENT LENGTHS’ for change on frequency with feference to vent lengths. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 52: Maintenance

    › check the integrity and the position of the sealed chamber sealing gasket; › check the flow and temperature of domestic hot water. › check the primary exchanger, if necessary, clean R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 53: Technical Data

    3/4” * Cold water inlet Ø 1/2” * Hot water outlet Ø 1/2” * Ø 1/2” * (*) NOTE: THESE ARE CONNECTION SIZES BEFORE VALVE KIT/CONNECTION CONVERSION KIT IS INSTALLED. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 54 7 (17.4) Fuel consumption - Gas A /h (m 183.7 (5.20) Nominal supply pressure - Gas E inWC (mbar) 11 (27.4) Fuel consumption - Gas E lb/h (kg/h) 8.56 (3.88) R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 55: Technical Assemblytechnical Assembly

    13. AIR PRESSURE SWITCHES 14. SPARK ELECTRODE 15. IGNITION TRANSFORMER 16. D.H.W. EXCHANGER 17. AIR SUCTION TUBE 18. PROPORTIONAL VENTURI 19. BY-PASS 20. WATER PRESSURE SWITCH 21. DIVERTER VALVE 22. CHECK VALVE R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 56: Internal Piping Schematic

    PRESSURE RELEIF VALVE 30 psi (2 bar) SYSTEM DRAINING TAP 10. CENTRAL HEATING TEMPERATURE PROBE 11. WATER TEMPERATURE HIGH LIMIT SWITCH 12. AIR SUCTION TUBE 13. D.H.W. EXCHANGER 14. PROPORTIONAL VENTURI 15. DOMESTIC TEMPERATURE PROBE R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 57: 3-Way Valve Operation

    (see ‘C’ - fig. 36). › 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. fig. 36 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 58: Wiring Diagram

    N: NEUTRAL W: WHITE TF: EXHAUST SAFETY HIGH LIMIT EV: COMBUSTION BLOWER BK: BLACK GY. GREY SWITCH_(102°C) VD: DIVERTER VALVE PA: AIR PRESSURE SWITCH G: GREEN SF: CONDENSATE COLLECTION SIPHON R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 59: Accessing The Boiler

    › grab the bottom of the panel and remove it by moving it sideways and then pulling it upwards (see fig. 38). R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 60: Accessing The Electronic Board

    (fig. 39) loosening them and turn the panel downwards; › unscrew the four fastening screws 1 - fig. 39; › remove the crankcase pulling it upwards. fig. 39 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 61: 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 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 62: Fault Signalling Codes

    CHECK VENTING, CHECK CABLE, TRIPPED REPLACE PART WITH FLAME LIGHT UP REVERSE POLARITY; PROPERLY CONNECT THE POWER SUPPLY; IONIZATION ELECTRODE REPLACE IT; BROKEN; IONIZATION ELECTRODE CHECK THE WIRING. CABLE DISCONNECTED. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 63 CHECK THE WIRING. PROBE CONNECTOR. RETURN PROBE BROKEN OR INCORRECTLY REPLACE IT; AUTOMATIC. CALIBRATED PROBE (RESISTANCE VALUE 10 KOHM AT 77°F (25 °C) NTC); DISCONNECTED OR WET CHECK THE WIRING. PROBE CONNECTOR. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 64 SUPPLY VOLTAGE SUPPLY VOLTAGE OUT OF CHECK THE POWER SUPPLY LINE (THE AUTOMATIC. THE OPERATION RANGE. ERROR DEACTIVATES AUTOMATICALLY AS SOON AS THE SUPPLY VOLTAGE FALLS BACK WITHIN THE REQUESTED LIMITS). R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 65: 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 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 66: Conversion To Adifferent Gas Type

    ‘GAS TYPE SELECTION’ from the control panel (see 2.1.5 and 2.1.4 ‘DIGITECH CS PARAMETERS TABLE’ and ‘ACCESSING AND PROGRAMMING THE PARAMETERS’); › adjust the CO2 combustion value as indicated in 2.1.3 ‘CO2 VALUE CHECK AND CALIBRATION’. R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...

  • Page 67: Positions Of The Electrodes

    If the boiler does not restart, check the positions of the electrodes (especially the ignition electrode). LIGHT UP ELECTRODE DETECTION ELECTRODE 0.16" (3mm) LIGHT UP ELECTRODE LIGHT UP ELECTRODE DETECTION ELECTRODE fig. 44 R2K 55 - RAD - ING - Inst.Manual - 2002.1_CSA...
  • Page 68 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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