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Installation, Use and Maintenance Manual for model R2KA 24 /20 Condensing boiler with integrated heat exchanger for domestic hot water side and storage 0476 R2KA 24 /20 - RAD - ING - Manuale - 1806.1_SK.2...
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SUMMARY 2.2.12. WIRING DIAGRAM 2.2.13. ACCESSING THE BOILER 2.2.14. ACCESSING THE ELECTRONIC BOARD 2.2.15. SYSTEM EMPTYING 2.2.16. BOILER MAINTENANCE 2.2.17. FAULT SIGNALLING CODES 2.2.18. ACTIVE FUNCTIONS SIGNALLING CODES 2.2.19. GAS TYPE TRANSFORMATION 3. USER SECTION 3.1. USE 3.1.1. GENERAL USE WARNINGS 3.1.2.
As an alternative, the use and maintenance manual can be downloaded free from the on-line site www. › On the outer margin of the page is placed a radiant.it, accessing the “download” section and thumb index indicating the type of user to which entering the boiler model.
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The warranty of the Manufacturer is provided only through its own authorized Technical Support › EU regulation 813/2013, Centres, listed for each Region and Provence on the site www.radiant.it, and covers all conformity › Gas Directive 2009/142/CE, defects at the moment of sale. › Electromagnetic...
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.
ATTENTION This boiler should be installed only WARNING by qualified personnel, having the appropriate Use only original RADIANT optional or kit technical training in the field for the installation and accessories (including electrical). maintenance of components of civil and industrial domestic hot water production and heating plants.
1. INSTALLATION WARNING If the temperature in the boiler installation location goes below -10° centigrades, please fill the plant with anti-freeze liquid and insert and electrical resistances kit (see chapter ‘ANTI-FREEZE PROTECTION’). WARNING The manufacturer will not be held responsible for damages caused by incorrect installation not in conformity with the over mentioned instructions and not protected adequately from the freeze.
1. INSTALLATION 1.1.4. UNPACKING WARNING Please unpack the boiler just before installing it. The Company is not responsible for the damages caused to the device due to incorrect storage. WARNING The packing elements (cardboard box, wooden crate, nails, fasteners, plastic bags, expanded polystyrene, etc.) must be kept out of the reach of children as they may be dangerous.
1. INSTALLATION 1.1.7. POSITIONING AND MINIMAL TECHNICAL SPACES The boiler must be installed only on a vertical solid wall, able to sustain its weight. In order to allow the access inside the boiler for maintenance operations, you have to respect the minimum technical spaces indicated in figure 1.
1. INSTALLATION WARNING Make sure, using a level, that the boiler is properly inclined being levelled (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.
1. INSTALLATION 1.1.9. HYDRAULIC CONNECTION DOMESTIC CIRCUIT DANGER In order to prevent limestone build-up and Make sure that the tubes of the water and damages to the domestic water heat exchanger, heating plant are not used as grounding system for the hardness of the domestic supply water the electrical plant.
1. INSTALLATION 1.1.10. D.H.W. CIRCULATING LOOP In order to joint the D.H.W out loop pipe, proceed as follows: › unscrew the ½” cap A (fig.1); › joint the nipple to the D.H.W. circulating pipe. fig. 1 D.H.W. CIRCULATING LOOP VR- NO-RETURN VALVE CIRCULATOR TAPS COLD WATER MAINS...
1. INSTALLATION 1.1.11. SYSTEM FILLING WARNING For system filling use only clean tap water. WARNING If the system is filled by adding ethylene glycol-type chemical agents you have to install on the loading system a hydraulic trip unit in order to separate the heating circuit from the domestic circuit.
1. INSTALLATION open the air relief valves of the radiators and check the air removal process. When the water starts to leak close the radiators air relief valves. if after performing these operations you observe a decrease of the water pressure inside the system, open once again the loading tap “R”...
1. INSTALLATION 1.1.13. ANTI-FREEZE PROTECTION DILUTION PERCENTAGE CLEANPASS The boiler is protected against freezing thanks to FLUIDO AG the electronic board preparation with functions that start the burner and heat the concerned parts ANTIFREEZE - TEMPERATURE when their temperature goes below the minimum ETHYLENE GLYCOL FREEZING POINT pre-set values, protecting the boiler up to an...
1. INSTALLATION 1.1.14. GAS CONNECTION 1.1.15. ELECTRICAL CONNECTION DANGER DANGER In order to connect the gas connector of The equipment is electrically safe only the boiler to the supply pipe use a stop seal of an if it is properly connected to an efficient grounding appropriate size and material.
1. INSTALLATION 1.1.16. POWER SUPPLY To power the boiler connect the electrical cables to the terminal inside the control panel as follows: DANGER Cut off the voltage from the main switch. › remove the boiler's front casing (refer to chapter ACCESSING THE BOILER).
1. INSTALLATION 1.1.17. OPTIONAL ELECTRICAL CONNECTIONS To wire the optionals below: • (SE) EXTERNAL TEMPERATURE PROBE COD. 73518LA • (TA) ENVIRONMENT THERMOSTAT • (CR) REMOTE CONTROL OPEN THERM COD. 40- 00017 use the terminal placed inside the control panel as follows: DANGER Cut off the voltage from the main switch.
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1. INSTALLATION To wire the optionals below: DANGER Cut off the voltage from the main switch. • (TP) DOMESTIC HOT WATER PRE-HEATING DEACTIVATION TIMER › remove the boiler's front casing (refer to chapter ACCESSING THE BOILER). • (CT) TELEPHONE DIALER ›...
It is recommended to install discharge systems approved by Radiant. WARNING You cannot use traditional flue fittings for the discharge ducts of the condensing boilers, nor vice versa.
1. INSTALLATION 1.1.19. INSTALLATION MODES For this type of boiler are available the following fumes discharge configurations: B23P, B33, C13, C33, C43, C53, C63, C83 e C93 (see Fig. 1). › B23P- Indoor suction outdoor C33 C33 discharge. › B33- Indoor suction and fumes exhaust duct discharge.
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1. INSTALLATION DISCHARGE OF COMBUSTION PRODUCTS FOR · permanent openings on the external walls of B-TYPE DEVICES the location (windows); The gas devices, provided with connection for · single or collective, ramified ventilation ducts. fumes exhaust tube, must be directly connected to efficient chimneys or fume exhaust ducts: The openings on the external walls of the location only if these are missing you can discharge the...
1. INSTALLATION 1.1.20. TYPES OF FUME EXHAUST SYSTEMS KIT K - HORIZONTAL CO-AXIAL SYSTEM Ø60/100 INTERNAL POLYPROPYLENE DUCT ADJUSTABLE AT 360°. It allows fumes discharge and air intake from external wall. Suitable only for condensing boilers. It allows fuel gas discharge and air intake for combustion through co-axial ducts, the external one for air intake, the plastic internal one for fumes discharge.
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1. INSTALLATION KIT H - HORIZONTAL SPLIT SYSTEM Ø80/80 MADE OF POLYPROPYLENE, ADJUSTABLE AT 360°. The two tubes system allows fumes discharge through the fumes exhaust duct and air intake from outside. Suitable only for condensing boilers. It allows discharging fuel gas and air suctioning for combustion through two separated ducts.
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1. INSTALLATION KIT V - VERTICAL CO-AXIAL SYSTEM Ø60/100 INTERNAL POLYPROPYLENE DUCT. It allows fumes discharge and air intake directly from roof. Suitable only for condensing boilers. It allows fuel gas discharge and air intake for combustion through co-axial ducts, the external one for air intake, the plastic internal one for fumes discharge.
1. 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.
2. FIRST START-UP 2.1. FIRST START-UP 2.1.1. PRELIMINARY OPERATIONS › make sure that there are no flammable liquids FOR FIRST START-UP or materials near the device; The first start-up operations consist in checking › open the boiler gas tap and make sure that there the correct installation, adjustment and operation are no gas leaks upstream from the device (the of the device.
2. FIRST START-UP 2.1.2. BOILER COMMISSIONING tube. Before repeating the operation, wait at least 5 seconds from the last start-up attempt WARNING and unlock the boiler from “E01” error code by Make sure that the system is correctly pressing the Reset ‘ ’...
2. FIRST START-UP 2.1.3. CO2 VALUE CHECK AND › Press the key ‘ ’ of the heating temperature CALIBRATION setting and make sure that the CO value did not change to minimum, if changed repeat the WARNING calibration described in the previous paragraph. The CO value should be checked with the casing assembled, while the gas valve should be...
2. FIRST START-UP 2.1.4. ACCESSING AND PROGRAMMING THE PARAMETERS To access the parameters menu and adjust their values, follow the procedure below: Press the button ‘ ’ to select the OFF mode displayed using the symbol ‘ ’. Hold at the same time the keys ‘ ’...
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2. FIRST START-UP Use the keys ‘ ’ and ‘ ’ of the domestic circuit to change the value of the parameter. Press the key ‘ ’ to confirm the action and wait for the display to stop blinking, indication of the fact that the adjustment was implemented.
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2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION GAS TYPE SELECTION 0 - 1 0 = METHANE ATTENTION: READ THE INSTRUCTION IN CHAPTER ‘GAS TRANSFORMATION’ BEFORE CHANGING THIS PARAMETER. 1 = LPG SETTING THE HEATING TEMPERATURE 0 - 1 0 = STANDARD (30-80 °C) IN CASE THE BOILER IS INSTALLED AS PART OF A LOW (SET BY DEFAULT) TEMPERATURE...
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2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION POST-CIRCULATION HEATING TIMING 0 - 90 VALUE EXPRESSED IN THROUGH THIS PARAMETER YOU CAN SET THE PUMP MULTIPLES OF 5 SECONDS DURATION OF OPERATION DURING HEATING CYCLE, AFTER (PRE-SET AT 36 X 5 = 180 THE MAIN BURNER TURNS OFF DUE TO THE ENVIRONMENT SECONDS) THERMOSTAT.
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2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION HEATING FAN MAXIMUM SPEED ADJUSTMENT VALUE SET FOR THE VALUE IS EXPRESSED IN THROUGH THIS PARAMETER YOU CAN SET THE FAN MAXIMUM PARAMETER P12 HERTZ SPEED IN HEATING PHASE, THAT CORRESPONDS TO THE - 203 (1HZ = 30 RPM) MAXIMUM BURNER POWER DURING A REQUEST TO OPERATE...
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2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION CLIMATE COMPENSATION CURVE 0 - 30 (SET BY DEFAULT AT 15) THE (ONLY WITH EXTERNAL PROBE CONNECTED) NUMBERING OF THE VALUE YOU CAN CONNECT AN EXTERNAL TEMPERATURE PROBE CORRESPONDS TO ‘KD’ (SEE CHAPTER ‘ELECTRICAL CONNECTIONS’) THAT...
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2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION ENABLING BUS INDUSTRIAL PILOTING 0 -10V 0 - 2 0 = DISABLED THROUGH THIS PARAMETER YOU CAN ENABLE OR DISABLE (SET BY DEFAULT) THE BUS INDUSTRIAL INPUT 0-10 V TO SET THROUGH EXTERNAL BUS THE BURNER POWER OR THE DELIVERY 1 = TEMPERATURE CONTROL TEMPERATURE.
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2. FIRST START-UP PARAMETER DESCRIPTION RANGE FUNCTION D.H.W STORAGE TANK TEMPERATURE SETPOINT 3 - 9 THE VALUE IS EXPRESSED IN (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.
2. FIRST START-UP 2.1.6. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM FREQUENCY (Hz) GAS TYPE MINIMUM FREQUENCY MAXIMUM FREQUENCY R2KA 24 /20 - RAD - ING - Manuale - 1806.1_SK.2...
The operations described below, are essential › check the pre-load pressure of the expansion to the validity of the standard RADIANT warranty and vessel; must be performed by professionally qualified personnel in accordance with current legislation and authorized by ›...
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2. MAINTENANCE › check that the liquid flow is not obstructed and that there are no combustion gas refluxes inside the internal system. R2KA 24 /20 - RAD - ING - Manuale - 1806.1_SK.2...
2. MAINTENANCE 2.2.8. TECHNICAL DATA Model R2KA 24 /20 CE certification 0476CQ0134 Gas category II2H3B/P Discharge type type B 2 3 p - B 3 3 - C13 - C 3 3 - C43-C53-C63-C83-C93 Energy efficiency 92/42 CEE no. stars Energy efficiency EN13203-1 no.
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2. MAINTENANCE Continuous hot water supply - ΔT 30° - mixed water - litres for the first 10 minutes Dimensional characteristics Width Depth Height Gross weight Water connections Flow Ø 3/4” Cold water Ø 1/2” Hot water Ø 1/2” Ø 1/2”...
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2. MAINTENANCE Heating Min. fan speed - G30 D.H.W Min. fan speed - G30 Fuel consumption - G30 kg/h 1,85 Nominal Supply pressure - G31 mbar Heating Max. fan speed - G31 D.H.W Max fan speed - G31 Heating Min. fan speed - G31 D.H.W Min.
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2. MAINTENANCE Technical parameters for boiler space heaters, boiler combination heaters and cogeneration space heaters Model R2KA 24 /20 Condensing boiler [yes/no] Low-temperature (**) boiler: [yes/no] B11 boiler [yes/no] Cogeneration space heater [yes/no] If yes, equipped with a supplementary heater [yes/no] Combination heater [yes/no]...
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Daily fuel consumption Q 23,929 fuel Annual fuel consumption AFC Contact details Tel. +39 0721 9079.1 - fax. +39 0721 9079299 - e-mail: info@radiant.it - http:// www.radiant.it Name and address of the supplier RADIANT BRUCIATORI S.p.A. Via Pantanelli, 164/166 - 61025 - Montelabbate (PU) (*) High-temperature regime means 60 °C return temperature at heater inlet and 80 °C feed temperature...
2. MAINTENANCE 2.2.10. HYDRAULIC BOARD 16. BY-PASS R. HEATING RETURN 17. WATER PRESSURE SWITCH C. DOMESTIC HOT WATER OUTLET 18. DIVERTER VALVE G. GAS INLET 19. FLOW SWITCH SC. CONDENSATE DRAIN 20. CONDENSATE COLLECTION SIPHON F. COLD WATER INLET 21. SYSTEM FILLING TAP A.
2. MAINTENANCE 2.2.11. 3-WAY VALVE OPERATION Important: The working position of the 3-way valve is indicated by the color (Red or Blue) visible in the inside of the valve. (see ‘C’ - fig. 1). › The RED color (with C-A) indicates the operation in the Domestic Hot water mode.
2. MAINTENANCE 2.2.13. ACCESSING THE BOILER For the majority of the control and maintenance operations you have to remove one or more panels of the casing. The side panels can be removed only after removing the front panel. To intervene on the front of the boiler proceed as follows: ›...
2. MAINTENANCE 2.2.14. ACCESSING THE ELECTRONIC BOARD In order ot intervene on the wirings of the control panel, please proceed as follows: DANGER Cut off the voltage from the main switch. › Grab at the same time the support brackets of the control panel (fig.
2. MAINTENANCE 2.2.15. SYSTEM EMPTYING HEATING SYSTEM EMPTYING Whenever you need to empty the system, proceed as follows: › switch the boiler to “WINTER” mode and activate it; › turn off the main power supply switch; › wait for the boiler to cool down; fig.
2. MAINTENANCE 2.2.16. BOILER MAINTENANCE fig. 1 It’s necessary to check and replace the magnesium anode after a year or more frequently if the quality and the water worn require it. In order to check the anode functioning it’s necessary to open the cap ‘V’ (fig.1) situated on the top of the boiler.
2. MAINTENANCE 2.2.17. FAULT SIGNALLING CODES To view the last 5 fault signalling codes chronologically, starting with the most recent one, activate the ‘OFF’ mode by pressing the FUNCTION ‘ ’ key and hold the key INFO ‘ ’ for 5 seconds. Use keys ‘ ’...
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2. MAINTENANCE CODE FAULT POSSIBLE CAUSE SOLUTION RESET SAFETY THERMOSTAT THERMOSTAT CABLE CHECK THE WIRING: AUTOMATIC. (95°C) DISCONNECTED; BROKEN THERMOSTAT. REPLACE IT. FUMES SAFETY THERMOFUSE BROKEN; REPLACE IT; MANUAL RESET THERMOFUSE (102°C) (PRESS THE RESET THERMOFUSE CABLE CHECK THE WIRING. ‘...
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2. MAINTENANCE CODE FAULT POSSIBLE CAUSE SOLUTION RESET ELECTRIC FAN ELECTRIC FAN BOARD REPLACE IT; AUTOMATIC. BROKEN; ELECTRIC FAN BROKEN; REPLACE IT; FAULTY POWER SUPPLY REPLACE IT. CABLE. I N S U F F I C I E N T EXCHANGER OBSTRUCTED;...
2. MAINTENANCE 2.2.18. ACTIVE FUNCTIONS SIGNALLING CODES CODE FUNCTION DESCRIPTION CHIMNEY SWEEP ACTIVE YOU CAN ACTIVATE IT BY HOLDING FOR 7 SECONDS THE RESET ‘ ’ KEY AND YOU CAN DEACTIVATE IT BY TURNING OFF THE BOILER. THIS FUNCTION BRINGS THE BOILER TO ITS MINIMUM AND MAXIMUM HEATING POWER FOR 15 MINUTES DEACTIVATING THE MODULATION FUNCTION.
2. MAINTENANCE 2.2.19. GAS TYPE TRANSFORMATION ATTENTION Make sure that the gas adduction tube is suitable for the new type of fuel with which the boiler is supplied. › loosen the two screws ‘1’ (fig.1) from the fastening bush, and remove the air suction tube; ›...
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.
To validate the warranty, the boiler must create an air exchange that can quickly clean be started by a technical Support Centre authorized the location; by RADIANT no later than 30 days from the date of installation. › Close the gas valves; WARNING ›...
3. USE 3.1.2. CONTROL PANEL DISPLAY HEATING TEMPERATURE ADJUSTMENT KEYS INFO KEY: PRESS ONCE TO VIEW THE TEMPERATURES AND OTHER INFORMATION (see chapter ‘INFO MENU DISPLAY) - HOLD FOR 5 SECONDS, IN OFF OPERATING MODE, TO VIEW THE LAST 5 FAULTS OPERATING MODE SELECTION KEY: SUMMER / ONLY HEATING / WINTER / OFF RESET KEY: FAULTS RESET -...
3. USE 3.1.3. DISPLAY ICONS INDICATION OF PARAMETER NUMBER OR DISPLAYED INFO CODE PARAMETERS PROGRAMMING FUNCTION ACTIVE SIGNALLING CONNECTED SOLAR BOARD / SOLAR COLLECTOR TEMPERATURE DISPLAY (d5) fig. 1 SOLAR PUMP ACTIVE BOILER LOWER TEMPERATURE DISPLAY (d6) / BOILER UPPER TEMPERATURE DISPLAY (d7) EXTERNAL PROBE INSTALLED / EXTERNAL ≤...
3. USE 3.1.4. INFO MENU DISPLAY DATA To view the boiler data from info menu you just have to press the INFO ‘ ’ key. The info code will be displayed on the left side of the screen and its relative value will be displayed on the centre of the screen. Use keys ‘...
3. USE 3.1.5. START-UP WINTER MODE Before starting the boiler make sure that it is In this mode the boiler meets the demands of powered and that the gas tap below the boiler is heating and of domestic hot water. open.
3. USE 3.1.7. INFORMATIONAL NOTE ON pump anti-locking and diverter valve anti-locking ANTI-FREEZE FUNCTION systems still remain active. To switch the boiler to OFF operating mode, press The boiler is protected against freezing thanks to the function key ‘ ’, the symbol ‘ ’...
3. USE 3.1.8. SYSTEM FILLING To restore the water pressure inside the system open the loading tap “R” (fig. 1) and make sure using pressure gauge “M” (fig. 1), that the system pressure reaches 1.2 bar (see fig. 2). After performing this operation, make sure that the loading tap “R”...
3. USE 3.1.9. FAULT SIGNALLING CODES The boiler might signal some faults by displaying a code. Below you have a list of the codes and of the operations to be performed in order to unlock the boiler. CODE ICON FAULT INTERVENTION FLAME BLOCK MAKE SURE THAT THE BOILER AND CONTACTOR GAS VALVES...
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3. USE CODE ICON FAULT INTERVENTION PARAMETERS PROGRAMMING CUT OFF THE POWER SUPPLY FROM THE MAIN SWITCH AND REQUEST THEN RESTORE IT, AS SOON AS THE ERROR CODE DISAPPEARS, THE BOILER WILL RESTART AUTOMATICALLY. IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE.
3. USE 3.1.10. ACTIVE FUNCTIONS SIGNALLING CODES CODE FUNCTION INTERVENTION H E A T I N G WAIT UNTIL A N T I - F R E E Z E OPERATION IS COMPLETED FUNCTION ACTIVE D.H.W CIRCUIT WAIT UNTIL A N T I - F R E E Z E OPERATION IS COMPLETED FUNCTION ACTIVE WAIT...
3. USE 3.1.11. MAINTENANCE To ensure proper boiler safety and efficiency, please contact RADIANT technical support network to check the device every year. An accurate maintenance should improve system management. 3.1.12. COVER CLEANING Clean the cover of the device using a wet cloth and come neutral soap.