1.1.17. INSTALLATION MODES 1.1.18. TYPES OF FUME EXHAUST SYSTEMS 2. SERVICE CENTRE SECTION 2.1. FIRST START-UP 2.1.1. PRELIMINARY OPERATIONS FOR FIRST START-UP 2.1.2. BOILER COMMISSIONING 2.1.3. CO2 VALUE CHECK AND CALIBRATION R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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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. EXTERNAL CASING CLEANING 3.1.14. DISPOSAL R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› On the outer margin of the page It identifies a precaution is placed a thumb index indicating information that must be observed in the type of user to which the R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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› the right to modify the tools and relative technical documentation without any obligation to third parties; neither will the company be held responsible for any inaccuracies in this handbook deriving from printing translation errors; R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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All boilers are tested and delivered with a quality certificate signed by the tester. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
1. INSTALLER SECTION 1. INSTALLER SECTION The installation operations described in this section, must 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.
After having removed the device, value indicated on the data packing, make sure the device is intact. plate. In case of doubt, do not use the device and contact the supplier. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
The ABS material boiler casing according to the indications of the is approved for the exposition good technique. to atmospheric agents and, in particular, to UV rays. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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1. INSTALLATION WARNING Make sure, using a spirit level, that the boiler is properly inclined being levelled (see fig.3) so as to allow the condensate to drain. fig.3 R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
1.1.7. PUMP HEAD / FLOW DIAGRAM GPA15-7.5 Pro Z178 p/kPa Q/m³/ h Q/l/s Q/Igpm Q/m³/ h Appliance head losses Fixed head selection button at maximum speed (It disables the control from the PWM) R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
Moreover, it is necessary to install bending and recovery operations a protection security filter of the system. from any off axis positioning that may R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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The company assumes no liability for damages caused to persons or R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
1.2 bar (fig. 4); after performing this operation, make sure that the filling tap “R” (fig. 2) is properly closed. open the air relief valves of the radiators and check the air R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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4 of the water pressure inside the system, open the filling tap “R” once again, until the pressure gauge indicates the value of 1.2 bar (fig. 4). R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
“T” (fig. 5); › Connect the dedicated flexible condensate draining pipe a waste disposal system. The condensate drained directly in the sewerage system by inserting an easily serviceable siphon. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
If the temperature goes below -10° centigrades, please fill the system with anti-freeze liquid (CLEANPASS FLUIDO AG cod. 98716LA) and insert a frost protection kit (cod. 82259LP). R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› make sure that the cables section is appropriate for the maximum power absorbed by the boiler and that it is however not lower than 1 mm R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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(see chapter POWER SUPPLY). WARNING It is strictly forbidden the use of adaptors, multiple plugs and/or extensions for the general power supply of the boiler from the electrical network. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
”. ·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 RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
(see chapter ACCESSING THE BOILER); unscrew the screws and remove plate “A” (see fig. 2). › After removing the plate, connect the electrical cables to terminal block “B” (see fig. 2): R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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P.C.B. and the remote control takes place independently from the boiler’s operating mode and after establishing the connection, the user interface on the P.C.B. is disabled and the display shows the symbol ‘ ’. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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P.C.B. placed inside the control panel as follows: DANGER Cut off the voltage from the main switch. › remove the boiler front casing (refer to chapter ACCESSING THE BOILER). R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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AUXILIARY RELAY GREY TAZ1: ROOM THERMOSTAT ZONE 1 ORANGE TAZ 2: ROOM THERMOSTAT ZONE 2 BLACK VZ1: ZONE VALVE 1 BROWN VZ2: ZONE VALVE 2 BLUE VZR: REMOTE CONTROLLED ZONE VALVE R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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Upon D.H.W. request through flow-switch, boiler activates in instantaneous mode. HEATING REQUEST – if parameter P01 value is set to ‘5’ (see chapter ‘DIGITECH PARAMETERS R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› For all air suction ducts, with regard to the air path, you should fig. 1 provide an uphill slope (towards R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
B23P fume exhaust duct; ·have, along its entire length, a section equal to or greater then that of the connection of the device discharge tube; R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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100 ·they must be realized so as to make sure that the opening inlets obstructed (neither indoors nor outdoors); ·they must be protected with grids, metal meshes, etc. so R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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 RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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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° = 0.8 m R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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PLEASE NOTE: during the flue analysys tests, place the analyser inside the frontal flue kit terminal slots ‘F’ (fig. SECTION A-A R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
1. SERVICE CENTRE SECTION 2. SERVICE CENTRE SECTION All operations described below relative to first start-up, maintenance and replacement should be performed only by qualified personnel...
› make sure that the combustion air adduction and fumes and condensate discharge take place properly in compliance with the Local and National Laws and Standards in force; R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
(further 3 minutes), and switch off the power supply and switch it on again. › Open the gas tap. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
CO value, turn the screw clockwise and vice-versa if you want to decrease it. Once completed the adjustment, tighten the protection screw ‘A’ (fig. 2) on the Off-Set adjuster. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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› Deactivate the chimney sweeper function by selecting the OFF mode by using the key ‘ ’. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
2. FIRST START-UP 2.1.4. ELECTRIC FAN FREQUENCY/HEAT CAPACITY DIAGRAM 24 kW FREQUENCY (Hz) MINIMUM MAXIMUM STARTING STEP TYPE FREQUENCY FREQUENCY ADJUSTMENT R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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2. FIRST START-UP 28 kW FREQUENCY (Hz) MINIMUM MAXIMUM STARTING STEP TYPE FREQUENCY FREQUENCY ADJUSTMENT R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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2. FIRST START-UP 34 kW FREQUENCY (Hz) MINIMUM MAXIMUM STARTING STEP TYPE FREQUENCY FREQUENCY ADJUSTMENT R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› Check that the system’s water PH is chamber; between 6.5 and 8.5; › if necessary make sure that the combustion is suitably adjusted and R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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Check that the liquid flow is not obstructed and that there are no combustion gas refluxes inside the internal system; › check the flow and temperature of domestic hot water. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
Efficiency at 100% Heat Input - 30/50°C 105,50 106,43 Efficiency Heat Output min - 30/50°C 104,20 103,60 105,91 Maximum combustion efficiency 97,80 97,70 97,60 Minimum combustion efficiency 98,10 98,20 97,90 R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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Central heating circuit Temperature setting - Central heating °C 30-80 / 25-45 30-80 / 25-45 30-80 /25-45 Max. operating temperature - Central °C heating Max. operating pressure - Central heating R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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1/2” 1/2” D.H.W. outlet Ø 1/2” 1/2” 1/2” Ø 3/4” 3/4” 3/4” C.H. Return Ø 3/4” 3/4” 3/4” Flue systems Fan - Max. available pressure Fan - Min. available pressure R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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Flue bend 45° MF Ø80 - Pressure loss Flue bend 90° MF Ø80 - Pressure loss Flue extension MF Ø80 L=1000 - Pressure loss T-connection MF Ø80 - Pressure loss Gas supply Supply pressure - G20 mbar R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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Fan speed Max. HEATING output - G31 Fan speed Max. D.H.W. output - G31 Fan speed Min. HEATING output - G31 Fan speed Min. D.H.W. output - G31 Gas consumption - G31 kg/h 1,83 2,17 2,64 R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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For cogeneration space heaters: Electrical efficiency At rated heat output of cogeneration space heater with supplementary heater disabled η el,CHP100+Sup0 At rated heat output of cogeneration space heater with supplementary heater enabled η el,CHP100+Sup100 R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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0,000 0,000 Ignition burner power consumption P Emissions of nitrogen oxides NOx mg/kWh Annual energy consumption Q 20513 / 24422 / 29444 / 73,85 87,92 Sound power level, indoors L R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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(*) 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 RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
16. PROPORTIONAL VENTURI INTEGRATED HEAT 17. CONDENSATE COLLECTION EXCHANGER SIPHON BURNER UNIT 18. DIVERTER VALVE ELECTRIC FAN 19. FLOW SWITCH BY-PASS 20. WATER PRESSURE SWITCH AIR RELIEF VALVE 21. SYSTEM FILLING TAP R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› 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 RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
(fig. 1) loosening them and turn the panel downwards; › unscrew the four fastening screws 1 - fig. 1; › remove the crankcase pulling it upwards. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› 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 RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
(fig.3) is adjusted downwards on the aluminium ring nut (see fig.3); › remount components following demounting operations in reverse making sure that gasket ‘G’ is re-assembled as shown in fig.1; R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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SELECTION’ from the control panel (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 RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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.
› Close the gas valves; people, animals or property due to › Request immediate intervention of incorrect use. qualified staff. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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› DO NOT leave the device exposed to atmospheric agents (rain, sun, etc.) unless specifically intended; › in case of cable damage, turn off the device and contact qualified professional staff to replace it. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
THE LAST 5 FAULTS OPERATING MODE SELECTION KEY: SUMMER / ONLY HEATING / WINTER / OFF RESET KEY: FAULTS RESET - CHIMNEY SWEEP FUNCTION ACTIVATION (HOLD SECONDS) DOMESTIC WATER TEMPERATURE ADJUSTMENT R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
INSUFFICIENT SYSTEM WATER PRESSURE SIGNALLING 10. FLAME PRESENT SIGNALLING / IT ALSO INDICATES, ON 3 fig. 2 PERCENTAGE LEVELS, MODULATING POWER LEVEL OF THE BOILER (fig.2) 11. OPERATION DOMESTIC MODE ENABLED R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
BOTTOM AREA PROBE TEMPERATURE [IF AREA BOARD INSTALLED] RETURN PROBE TEMPERATURE SOLAR COLLECTOR TEMPERATURE [IF SOLAR BOARD INSTALLED] (SCS) SOLAR BOILER TEMPERATURE (BOTTOM) [IF SOLAR BOARD INSTALLED] (SBSI) SOLAR BOILER TEMPERATURE (TOP) [IF SOLAR BOARD INSTALLED] (SBSS) R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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HYBRID DOMESTIC SYSTEM WITH OPTIONAL SENSOR) POWER SUPPLIED BY THE HEATING PUMP IN KW/H (ONLY FOR HYBRID DOMESTIC SYSTEM) HEATING FLOW RATE DISPLAY EXPRESSED IN L/MIN (IF THERE IS A FLOWMETER). R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
’ to decrease the To switch the boiler to ONLY HEATING temperature. operating mode, press the function ·press key ‘ ’ to increase the key ‘ ’, the symbol ‘ ’ will temperature. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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(for non condensing models will appear the message ‘OFF’). If the boiler was previously running, it will be turned off and the post- R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
This function is available only if: › the boiler is powered; › the gas supply is open; › the pressure of the system is proper; › the boiler is not blocked. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
2 minutes system relief cycle. Throughout this function the display will show the code “F33”. The boiler can work normally only after completing the operation. fig. 2 R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
CENTRE. WATER MISSING IF THE SYSTEM PRESSURE IS BELOW 1.2 SYSTEM BAR, FILL THE SYSTEM AS DESCRIBED IN CHAPTER “SYSTEM FILLING”. IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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THE MAIN SWITCH AND THEN RESTORE VOLTAGE / ELECTRICAL NOISE IT, AS SOON AS THE ERROR CODE DUE TO SPARK DISCHARGE DISAPPEARS, BOILER WILL RESTART AUTOMATICALLY. IF THE BLOCK PERSISTS CONTACT THE TECHNICAL SUPPORT CENTRE. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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DISAPPEARS FROM THE DISPLAY, THE BOILER WILL START AUTOMATICALLY. SUPPLY VOLTAGE CONTACT THE TECHNICAL SUPPORT CENTRE. COMMUNICATION FAULT CONTACT THE TECHNICAL SUPPORT BETWEEN MODBUS CENTRE. CONTROLLER AND MODBUS CONTROL UNIT R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
› water wastes are limited waiting that the water reaches the right temperature. To activate/deactivate the Fast H2O function please follow the instruction indicated in the paragraph ‘ACTIVE FUNCTIONS SIGNALLING CODES’. R2K RAIN - RAD - ING - Manual - 2301.1_MIAH4_B3_GPA_A5...
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