Radiant RHR 25 Instruction Manual

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[Page 1] Radiant RHR 25

Installation, operating, commissioning and maintenance instructions. CE 0694 RHR 25-RAD- ING-MAN.INST-1411.1-DIGITECH_TR-MIAH6-DIMA-E04 Technical specification RADIANT BRUCIATORI S.p.A. Montelabbate (PU) ITALY ENGLISH I...

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CONTENTS 1. General information 1.1 General warnings pag. 1 1.2 Product conformity pag. 3 2. Technical characteristics 2.1 Technical data pag. 4 2.2 Dimensions pag. 5 2.3 Internal parts of the boiler pag. 6 2.4 Cir...

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CONTENTS 6. Maintenance (authorised personnel) 6.1 General warnings pag. 44 6.2 Boiler inspection pag. 44 6.3 Accessing the boiler pag. 45 6.4 Draining the central heating system pag. 46 6.5 Flue safety thermostat pag. 46 ...

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GENERAL INFORMATION 1 1. GENERAL INFORMATION 1.1 General warnings Professionally qualified personnel in accordance with current laws and standards and in line with the manufacturer’s instructions must install the appliance. With �...

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GENERAL INFORMATION 2 • As dictated by current legislation, this appliance must be installed exclusively by qualified personnel. Before starting the boiler for the first time, make sure that it is connected to a water supply and central heat...

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GENERAL INFORMATION 3 1.2 Product conformity RADIANT BRUCIATORI S.p.A. declares that all its products are manufactured to a high specification and in compliance with the relevant standards. All RADIANT boilers are CE...

[Page 8] Radiant RHR 25

INSTALLATION INSTRUCTIONS 4 2. TECHNICAL CHARACTERISTICS 2.1 Technical data Model RHR 25 CE Certification n° 0694CO7385 Appliance Type II2H3+ Appliance Category C12 - C32 - C42 - C52 - C62 - C82 Heat Input max kW ...

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INSTALLATION INSTRUCTIONS 5 785 330 115 150 185 135 210 64.5 78 70 80 102 55.5 HFCWI GHWO HR 450 125 HF CWI G HWO HR 2.2 Dimensions HR HEATING RETURN Ø3/4” HF HEATING FLOW Ø3/4” G GAS Ø3/4” CWI COLD W...

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INSTALLATION INSTRUCTIONS 6 2.3 Internal parts of the boiler LEGEND 1. FLUE SAFETY THERMOSTAT 2. FAN 3. HEAT EXCHANGER 4. COMBUSTION CHAMBER 5. IGNITION ELECTROCODE 6. BURNER 7. 3 ...

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INSTALLATION INSTRUCTIONS 7 2.4 Circulation pump head/flow graph Pump head at minimum speed I II Pump head at second speed Pump head at maximum speed III Appliance Loss Flow m3/h Head (m) I II III ...

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INSTALLATION INSTRUCTIONS 8 1 2 3 4 5 6 14 7 8 10 9 11 12 13 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 2.5 Water circuit LEGEND 1. FLUE SAFETY THERMOSTAT 2. FAN 3. EXPANSION VESSEL 4. HEAT EXCHAN...

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INSTALLATION INSTRUCTIONS 9 2.6 DIGITECH ® TR Printed Circuit Board (MIAH6) Technical characteristics Adjustments possible by service personnel only ...

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INSTALLATION INSTRUCTIONS 10 2.8 INFO Menu Press the ‘ ’ INFO Button to display the boiler data. Once pressed, the parameter number will appear on the left side of the display and the associated parameter value will ...

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INSTALLATION INSTRUCTIONS 11 3. INSTALLATION 3.1 Reference standard Failure to install a gas appliance correctly and in accordance with the above norms could lead to prosecution. It is in the interest of the installer and safety that th...

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INSTALLATION INSTRUCTIONS 12 B C A 3.3 Unpacking ■ The materials (cardboard) used for packing the appliance are fully recyclable. ■ It is recommended that the packing material is only removed prior to installing the b...

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INSTALLATION INSTRUCTIONS 13 3.4 Installing the boiler ■ The appliance must be installed exclusively on a flat vertical solid wall capable of supporting its weight. ■ The boiler should be fitted within the bu...

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INSTALLATION INSTRUCTIONS 14 3.5 Water connections In order to safeguard the heat exchanger and circulation pump, especially in case of boiler replacement, it is recommended that the system is hot-flushed to remove any impu...

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INSTALLATION INSTRUCTIONS 15 3.6 Gas Connection The connection to the gas supply must be carried out by professionally qualified personnel in accordance with relevant standards: When connecting the boiler to the gas supp...

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INSTALLATION INSTRUCTIONS 16 3.7 Electrical connections General warnings The connection to the mains power supply must be carried out by professionally qualified personnel, registered in accordance with current legislation and authorise...

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REGULATION INSTRUCTIONS 17 Remote control connection Connect the power supply to the terminal board inside the control panel as follows: a. Switch off the power supply at the main switch. b. Remove the front case panel of the boiler. c. ...

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REGULATION INSTRUCTIONS 18 3.8 Flue connections In order to ensure that the appliance functions correctly and efficiently, the flue connection between the boiler and the flue terminal must be made using original components...

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REGULATION INSTRUCTIONS 19 Flue type - kit K Horizontal concentric flue kit Ø60/100 mm polypropylene inner pipe adjustable through 360°. Discharges exhaust fumes and draws air from atmosphere. Suitable for condensing boil...

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MAINTENANCE INSTRUCTIONS 20 Flue type - kit H Horizontal twin pipe flue kit Ø80/80 – Ø60/60 in polypropylene adjustable through 360°. The dual pipe system discharges exhaust fumes into a chimney and draws air...

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MAINTENANCE INSTRUCTIONS 21 Flue type - kit V Vertical concentric flue kit Ø60/100 polypropylene inner pipe. Discharges exhaust fumes and draws air directly from high Level. Suitable for condensing boilers only. Discharges exhaust ga...

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MAINTENANCE INSTRUCTIONS 22 Adjustable Flue Diaphragms • Coaxial flue kit system (horizontal-coaxial or vertical-coaxial) Adjustable flue diaphragms have to be installed on the top of boiler. Installation Instructions: (see fig. 1):...

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MAINTENANCE INSTRUCTIONS 23 Twin pipe flue kit system Adjustable flue diaphragms have to be installed on the air intake hole on the top of the boiler. Installation Instructions: (see fig. 1): − Install the Ø60mm. aluminium collar onto...

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MAINTENANCE INSTRUCTIONS 24 Diaphragms system setting • kit K - Horizontal-Coaxial Flue Kit System with intake / exhaust pipes Ø100/60 • kit V - Vertical-Coaxial Flue Kit System with intake / exhaust pipes Ø100/60 ...

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MAINTENANCE INSTRUCTIONS 25 4. COMMISSIONING THE APPLIANCE 4.1 General warnings The following operations must be carried out by professionally qualified personnel, registered in accordance with current legislation. The boil...

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MAINTENANCE INSTRUCTIONS 26 4 AIR VENT VALVE PLUG PUMP PLUG AIR VENT VALVE 3 2 1 3 bar 1.5 bar 0.5 bar 1.2 bar GREEN AREA M R 4.2 Filling the system Check the properties of the water supply and install the appropriate treatment de...

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MAINTENANCE INSTRUCTIONS 27 4.3 Filling the condensate trap The condensation trap must be pre-filled when starting the boiler for the first time in order to prevent flue gases from flowing back through the trap. The filling operation is ...

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MAINTENANCE INSTRUCTIONS 28 4.4 Frost Protection The boiler is protected from freezing by electronic board settings and special functions that provide the starting of the burner to heat all the interested parts, when their temperature drops...

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MAINTENANCE INSTRUCTIONS 29 TaL N Ta Se Se 220 V - 50 Hz Terminal Board heating elements Fig. 1 brown white w h i t e blue thermostat fixing clip Heating elements Kit installation and wiring Please proceed as follows: a. Switch OFF the...

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MAINTENANCE INSTRUCTIONS 30 4.5 Starting up the boiler Once the system has been filled, proceed as follows: • Check that the exhaust duct is free from obstructions and correctly connected to the flue exhaust system. • Remove the fro...

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MAINTENANCE INSTRUCTIONS 31 5. REGULATING THE BOILER 5.1 Parameters table PARAMETER N° TYPE OF OPERATION PARAMETER VALUE FUNCTION P00 Selects the type of boiler 00-05 00 = Instantaneous boiler (w/dual circuit exchanger) 01 = In...

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MAINTENANCE INSTRUCTIONS 32 5.2 Accessing the parameters menu To modify the preset values of the parameters reported in the previous table, open the parameter settings menu as follows: 1. Place mode selection button �...

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MAINTENANCE INSTRUCTIONS 33 5.3 Setting the parameters P ARAMETER P00 – SELECTS THE TYPE OF BOILER To enter the parameters menu, follow the previously described procedure (see paragraph 5.2 ‘Accessing the parameters menu’ - steps...

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MAINTENANCE INSTRUCTIONS 34 P ARAMETER P03 - W ATER HAMMER PREVENTION FUNCTION Activating this function, the D.H.W contact is delayed for 2 seconds. To enter the parameters menu, follow the previously described procedure (see parag...

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MAINTENANCE INSTRUCTIONS 35 P ARAMETER P05 - C ENTRAL HEATING PUMP OVERRUN TIMER This parameter is used to set the pump functioning time, in heating mode, after switching off the main burner for the intervention of the r...

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MAINTENANCE INSTRUCTIONS 36 5.4 Gas valve adjustment P ARAMETER P08 - M AXIMUM DOMESTIC HOT WATER OUTPUT Before switching on the boiler to adjust the setting, insert a pressure gauge in the pressure take-off po...

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MAINTENANCE INSTRUCTIONS 37 P ARAMETER P07 - M INIMUM CENTRAL HEATING OUTPUT 12. Enter the parameters menu and select parameter P07. The pressure gauge will indicate the gas pressure. If this pressure value is di...

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MAINTENANCE INSTRUCTIONS 38 P ARAMETER P09 – S ETS THE IGNITION SEQUENCE This parameter is used to set the gas pressure during the starting up of the boiler.. To enter the parameters menu, follow the previously described ...

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MAINTENANCE INSTRUCTIONS 39 Te (°C) 353025201510 75 8045 MAX Tm (°C) 50-5-10 65 55 60 50 40 45 35 30 30 -15-20 25 MIN 35 70 Kd = 0 Kd = 5 Kd = 10 Kd = 15 Kd = 20 Kd = 25 Kd = 30 P ARAMETER P12 – SETS THE CLIMATIC COMPENSATION CURVE (w...

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MAINTENANCE INSTRUCTIONS 40 P ARAMETER P13 – C ENTRAL HEATING M INIMUM S ET POINT This parameter is used to set the central heating minimum user set point. To enter the parameters menu, follow the previously described ...

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MAINTENANCE INSTRUCTIONS 41 P ARAMETER P15 – D. H . W . MAXIMUM SET POINT This parameter is used to set the D.H.W maximum user set point. To enter the parameters menu, follow the previously described procedure...

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MAINTENANCE INSTRUCTIONS 42 5.5 Gas Data Technical data tables Natural Gas G20 Liquid Butane Gas G30 Liquid Propane Gas G31 Lower Wobbe index (15°C; 1013 mbar) MJ/Nm 3 45.67 80.58 70.69 Nominal supply pressure ...

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MAINTENANCE INSTRUCTIONS 43 5.7 Converting the boiler to a different gas type The conversion of a boiler from burning natural gas to LPG, or vice versa, must be carried out exclusively by professionally qualified person...

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MAINTENANCE INSTRUCTIONS 44 6. MAINTENANCE (authorised personnel) 6.1 General Warnings All maintenance operations must be carried out by professionally qualified personnel, authorised by Radiant Bruciatori Spa. The frequenc...

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MAINTENANCE INSTRUCTIONS 45 6.3 Accessing the boiler All maintenance operations require one or more of the boiler casing panels to be removed. The side panels can only be removed after the front panel has been removed. Front pan...

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MAINTENANCE INSTRUCTIONS 46 6.4 Draining the central heating system If the need arises to drain the system, this can be done as follows: • Switch the system to “WINTER” mode and ignite the boiler. • Switch off the power...

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MAINTENANCE INSTRUCTIONS 47 SR TS Pacq ma ce Tra EA M9 M7 M4 M8 M6 M13 M11 M12 M15 M3 M10 ER 43211 2 3 4 5 8 1 2 3 4 5 6 7 1 2 3 4 5 6 7 2 1 1 2 3 4 5 6 1 2 ce ma ne ne ce ma EV VG MD MF ar ar ce ma ma ce ne ne ne ne ne ce ma ne 1 2 3 PA MP Se ...

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MAINTENANCE INSTRUCTIONS 48 Ta B L N Ta Se Se A TA CR SE Fig. 1 6.7 Electrical connections (Option) Connect the power supply to the terminal board located onto the control panel as follows: a. switch off the power suppl...

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MAINTENANCE INSTRUCTIONS 49 SVZ SRB MIAH6 N L TP CT Wiring diagrams: Key TP Storage cylinder pre-heating timer option (only if parameter P00 = 2, 3 or 4) ...

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MAINTENANCE INSTRUCTIONS 50 6.8 Troubleshooting To display the last 5 errors, keep pressed the ‘ ’ INFO button, in OFF mode position, for 5 seconds. The errors number will appear in chronological order (-1- = first fault… -5-...

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MAINTENANCE INSTRUCTIONS 51 6.9 Function codes Code Function Description F07 Flue test function enabled (Chimney- Sweeper) Pressing ‘ ’ button for 7 seconds the Flue test function is enabled. Pressing the boiler Off bu...

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MAINTENANCE INSTRUCTIONS 52 6.10 Parts List Main components CODE DESCRIPTION 20047LA 20-PLATE D.H.W HEAT EXCHANGER 21001LA BURNER 13 R- 1.25 NAT.GAS 25-00131 3 bar PRESSURE RELIEF VALVE -HTG CIRC. 25-00196 WATER PRESSURE GAUGE...

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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 THE TECHNICAL DATA AND MEASUREMENTS ARE P...