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Radiant RBS 24, Instruction Manual

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Radiant RBS 24 Instruction Manual Download Page 4

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  Wiring diagrams 

pag. 

47 

6.6  Electrical connections (Option) 

pag. 

48 

6.7  Troubleshooting 

pag. 

50 

6.8  Function codes 

pag. 

51 

6.9  Parts list 

pag. 

52

Summary of Contents for RBS 24

Page 1: ...nce instructions CE 0694 RSA 24 8 RAD ING MAN INST 1410 1 DIGITECH TR MIAH6 E04 Technical specification RADIANT BRUCIATORI S p A Montelabbate PU ITALY ENGLISH Instruction Manual for model RSA 24 8 Wall mounted storage combi boiler room sealed chamber ...

Page 2: ......

Page 3: ...1 3 3 Unpacking pag 12 3 4 Installing the boiler pag 13 3 5 Water connections pag 14 3 6 D H W circulating loop pag 15 3 7 Gas connection pag 16 3 8 Electrical connections pag 17 3 9 Flue connections pag 19 4 Commissioning the appliance authorised personnel 4 1 General warnings pag 26 4 2 Filling the system pag 27 4 3 Frost Protection pag 28 4 4 Starting up the boiler pag 30 5 Regulating the boile...

Page 4: ...ings 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 Wiring diagrams pag 47 6 6 Electrical connections Option pag 48 6 7 Troubleshooting pag 50 6 8 Function codes pag 51 6 9 Parts list pag 52 ...

Page 5: ... of doubt do not attempt to use the product but refer to the supplier Packing materials cardboard box wooden crate nails staples plastic bags polystyrene etc must not be left within reach of children in that these items represent a potential hazard and must be disposed of in a responsible manner Before carrying out any cleaning or maintenance operations disconnect the appliance from the mains elec...

Page 6: ...ient earth system installed in accordance with the requirements of current safety standards This fundamental safety requirement must be checked and verified In case of doubt have the electrical system checked by a qualified electrician The manufacturer will not be held liable for any damage or injury caused as a result of an ineffective or non existent earth system The domestic power supply must b...

Page 7: ...ral heating needs All boilers are fully inspected and are accompanied by a quality certificate signed by the inspector and a guarantee certificate This manual must be kept in a safe place and must accompany the boiler at all times RADIANT BRUCIATORI S p A will not be held responsible for any misinterpretation of this manual resulting from the inaccurate translation of same RADIANT BRUCIATORI S p A...

Page 8: ...Hot water working pressure bar 6 Min Hot water working pressure bar 0 5 D H W 40 C water supply t 30 C for 1 hour litres 690 Max D H W 40 C water supply t 30 C first 10 minutes litres 130 Storage cylinder capacity litres 8 Dimensions Boiler casing size Width mm 450 Height mm 800 Depth mm 330 Weight net kg 48 Hydraulic connections Central Heating Flow connection Ø Central heating Return connection ...

Page 9: ...TIONS 5 450 330 147 43 140 72 115 263 G 60 102 72 78 78 60 125 G 785 820 HR HWO CWI HF HR HWO CWI HF 2 2 Dimensions HR HEATING RETURN Ø3 4 HF HEATING FLOW Ø3 4 G GAS Ø3 4 CWI COLD WATER INLET Ø1 2 HWO HOT WATER OUTLET Ø1 2 ...

Page 10: ...ALVE 8 PUMP 9 3 bar PRESSURE RELIEF VALVE 10 ELECTRONIC GAS VALVE 11 SISTEM DRAIN VALVE 12 BY PASS 13 ANODE 14 AIR PRESSURE SWITCH 15 SAFETY VALVE 1 2 8 atm 16 STORAGE CYLINDER 17 HEATING SENSOR 18 D H W SENSOR 19 FLAME IONISATION ELECTRODE 20 FLAT PLATE TYPE EXCHANGER 21 FLOWSWITCH 22 3 WAY DIVERTER VALVE 23 WATER PRESSURE SWITCH 24 WATER PRESSURE GAUGE 25 FILLING TAP ...

Page 11: ...UCTIONS 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 III II I 0 1 2 3 4 5 6 0 0 5 1 1 5 2 2 5 3 UPS 15 50 ...

Page 12: ...TY THERMOSTAT 8 FLAME IONISATION ELECTRODE 9 IGNITION ELECTRODE 10 COMBUSTION CHAMBER 11 BURNER 12 ELECTRONIC GAS VALVE 13 AIR VENT VALVE 14 PUMP 15 3 bar PRESSURE RELIEF VALVE 16 SISTEM DRAIN VALVE 17 BY PASS 18 ANODE 19 SAFETY VALVE 1 2 8 atm 20 HEATING SENSOR 21 D H W SENSOR 22 STORAGE CYLINDER 23 CYLINDER DRAINING TAP 24 FLAT PLATE TYPE EXCHANGER 25 FLOWSWITCH 26 3 WAY DIVERTER VALVE 27 FLOW L...

Page 13: ...ow 2 different power levels according to the flame modulation of the boiler see fig 2 Error history display last 5 errors To switch the boiler OFF press INFO button the word OFF appears on the display The central heating frost protection system remains enabled If the boiler was previously ON it is switched OFF and the fan overrun and pump overrun functions are enabled 2 7 Control panel Key 1 HEATI...

Page 14: ...lue will appear on the centre of the display Use and buttons of Heating Temperature setting to scroll the list of available data Press the INFO button to exit the display mode The list of available display data is the following Parameter Description d00 D H W temperature sensor d01 Outdoor temperature sensor d02 Kd Thermoregulation value d03 Low temperature circuit sensor only with Zone PCB connec...

Page 15: ...instructions form an integral part of the installation and should be left with the appliance but do not over ride in anyway statutory obligations 3 2 Boiler room Installation requirements Please refer to local and national standards in force in the Country of destination of the product In particular the manufacturer recommends The presence of threaded connections on the gas line require that the r...

Page 16: ...resent a potential hazard A Place the packed appliance on the floor see fig 1 making sure that the up arrow is facing down Remove the staples and open out the four flaps of the box B Rotate the boiler 90 while manually supporting it from underneath C Lift the box and remove the protections Lift the boiler by grasping the rear part and proceed with the installation STORAGE HANDLING Please note that...

Page 17: ...cessary clearances indicated in figure 1 are respected To make the installation easier the boiler is supplied with a template to enable the pipe connections to be positioned prior to fixing the appliance to the wall To install the boiler proceed as follows see fig 2 a Use a spirit level of not less than 25 mm long to mark a horizontal line on the wall where the boiler is to be fitted b Position th...

Page 18: ...sary The cold water supply pressure at the inlet to the boiler must be between 0 5 and 6 bar In areas with higher water inlet pressure a pressure reducing valve must be fitted before the boiler The frequency of the heat exchanger coil cleaning depends on the hardness of the mains water supply and the presence of residual solids or impurities which are often present in the case of a new installatio...

Page 19: ...STALLATION INSTRUCTIONS 15 3 6 D H W circulating loop In order to joint the D H W out loop pipe proceed as follows a unscrew the cap A and insert a nipple b joint the nipple to the D H W circulating pipe ...

Page 20: ... a 22 mm diameter pipe with an uninterrupted supply from meter to boiler and comply with current standards and regulations Check the internal and external seals of the gas supply system A gas shut off valve must be installed upstream of the appliance The gas pipe work must have and bigger or equal section to the one of the boiler Before starting up the boiler make sure that the type of gas corresp...

Page 21: ...d be protected by a 3 A fuse The connection to the mains electricity supply must be via a single pole switch with at least 3 millimetres gap between open contacts mounted upstream of the appliance Make sure that the positions of the live and neutral wires correspond to the wiring diagram Ensure the domestic power supply is checked by a qualified electrician to ensure that it can support the maximu...

Page 22: ...e wires to the terminal board B as follows Connect the earth wire normally coloured green yellow to the terminal marked with the earth symbol Connect the neutral wire normally coloured blue to the terminal marked with the letter N Connect the live wire normally coloured brown to the terminal marked with the letter L Terminals identified by the letters Ta Room thermostat Se Outside temperature sens...

Page 23: ...rtant to provide for horizontal air intake flue exhaust pipes a minimum slope of 2 downwards from the boiler towards the external wall see fig 1 For each individual installation air intake and flue exhaust pipes must be protected with accessories to prevent the penetration of foreign bodies or atmospheric agents Flue Duct connection Connect the flue to the chimney according to the following specif...

Page 24: ...r can be connected to a suitable combined flue system MAXIMUM FLUE LENGTH 3 m The maximum flue length linear equivalent is obtained by summing the length of linear pipe and the equivalent lengths of each bend fitted The linear equivalent is intended as being the total length of the duct from the connection with the combustion chamber of the appliance excluding the first bend The linear equivalent ...

Page 25: ...ed by summing the length of linear pipe and the equivalent lengths of each bend fitted The linear equivalent is intended as being the total length of the duct exhaust discharge air intake from the connection with the combustion chamber of the appliance excluding the first bend The addition of a bend has the effect of increasing the linear equivalent length of the duct as follows Ø80 x 90 bend 1 5 ...

Page 26: ... FLUE LENGTH 6 m The maximum flue length linear equivalent is obtained by summing the length of linear pipe and the equivalent lengths of each bend fitted The linear equivalent is intended as being the total length of the duct from the connection with the combustion chamber of the appliance excluding the first bend The linear equivalent of additional bends is as follows Ø80 125 x 90 0 8 m Ø80 125 ...

Page 27: ...st with graduated numbers then the upper disc Fix the flange to the flue elbow using the screw and nut provided with the flue kit Install the Ø60 aluminium collar onto the flue elbow and when it is fully assembled i e flange aluminium collar install it on the flue outlet Do not push it too strongly to avoid the elbow flange sliding up Fix the system with self tapping screws provided with the flue ...

Page 28: ...area of the air intake hole Stick the neoprene washer paying attention to centre holes of the washer with those on the air intake opening Position flue diaphragms respecting this order lower disc first with graduated numbers then the upper disc Install the flue connector or other accessory according to the chosen type of twin pipe flue kit system Fix the system with self tapping screws provided wi...

Page 29: ...t fumes discharge system through 360 MAXIMUM FLUE LENGTH linear length DIAPHRAGM REGULATION from 0 5 to 1 m from 1 to 2 m from 2 to 3 m Remove tags MAXIMUM FLUE LENGTH 3 m MAXIMUM FLUE LENGTH linear length DIAPHRAGM REGULATION from 0 5 0 5 to 4 4 m from 4 4 to 9 9 m from 9 9 to 15 15 m MAXIMUM FLUE LENGTH 30 m UPPER DISK ADJUSTMENT NUMBERS FOR 2 1 INDICATOR 3 LOWER DISK 3 INDICATOR 5 2 1 4 FOR ADJ...

Page 30: ...ected properly Also make sure that the earth connection is sound Check the seals on the gas supply pipe from the mains and make sure that the meter does not register any flow of gas Turn the gas supply on and purge Test for gas soundness Check that the gas supply is correctly sized for the flow rate required by the boiler and that it is fitted with all the safety and control devices as lay down by...

Page 31: ...ly Check that the plug of the air vent valve has been slackened slightly to allow air to escape from the system fig 1 Open the filling tap R fig 2 use the pressure gauge M fig 2 to check that the systems pressure reaches the middle of the green area equal to 1 2 bar see fig 3 On completion make sure that the filling tap R is perfectly closed Unscrew the plug on the pump to remove any trapped air c...

Page 32: ... the boiler is in OFF mode as long as it is electrically powered 230 V and the gas supply is open In case of long periods of inactivity it is recommended to empty the boiler and the hydraulic system Warning for the service technician In case of a boiler locked out because of freezing before putting it into operation make sure that any part is blocked by ice heat exchanger pump etc Warning for the ...

Page 33: ... the 4 resistances onto the heating flow pipe heating return pipe cold water pipe and domestic hot water pipe with the exception of the gas pipe See Fig 1 c Protect the pipes with isolating material d Connect the thermostat to the heating flow pipe using the supplied clip See Fig 1 e Connect the power supply cables to the terminal board located onto the control panel and following the wiring instr...

Page 34: ...pressing the reset button Check minimum and maximum gas pressure setting values Make sure that they comply with those stated on the gas data plate see paragraph 5 4 Gas Data Gas pressure adjustment table to check the maximum gas pressure value turn ON the hot water tap at the maximum flow and check that the maximum pressure value corresponds to that stated on the gas data plate to check the minimu...

Page 35: ...0 P06 D H W storage cylinder pump overrun timer Not applicable to instantaneous boilers w dual circuit exchanger and only heating boilers 00 90 Displayed in multiples of 5 seconds default value 18 x 5 90 P07 Minimum central heating output 00 Max gas P08 Displayed in P08 Sets the maximum central heating output and maximum gas pressure Min gas P07 99 Displayed in P09 Sets the ignition sequence 00 99...

Page 36: ...n OFF position 2 Keep pressed and buttons simultaneously and wait for P 00 to appear on the display 3 Release buttons and 4 Use and buttons of heating temperature setting to select the parameter to modify 5 Press mode selection button and release it The display will indicate the value of the parameter to modify Adjust the value of the parameter using the procedure described in the following pages ...

Page 37: ... THE TYPE OF GAS SUPPLY To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 5 6 Use and buttons D H W temperature setting to modify the value of the parameter 00 Natural Gas 01 LPG 7 Press mode selection button to confirm and to render the new adjustment operative The parameter number P01 will appear on the display 8 To exi...

Page 38: ...PARAMETER P04 CENTRAL HEATING TIMER This parameter is used to set the minimum time in which the burner is kept switched off once the heating flow temperature has exceeded the temperature set by the user To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 5 6 Use and buttons D H W temperature setting to modify the value of t...

Page 39: ...P05 will appear on the display 8 To exit from the parameters menu press simultaneously and buttons PARAMETER P06 D H W STORAGE CYLINDER PUMP OVERRUN TIMER Not applicable to instantaneous boilers w dual circuit exchanger This parameter is used to set the pump functioning time in D H W mode after closing the water tap To enter the parameters menu follow the previously described procedure see paragra...

Page 40: ...button for 7 seconds until the number 07 flashes on the display chimney sweeper function In this way the boiler will run at maximum heating power for 15 minutes The pressure gauge will indicate the gas pressure If this pressure value is different to that on the rating plate of the boiler see paragraph 5 4 Gas Data remove the modulator plastic cap A fig 1 and screw in the nut C to adjust the maximu...

Page 41: ... Data use and buttons D H W temperature setting to modify the value of the parameter The range of settings is 00 80 13 Press mode selection button to confirm and to render the new adjustment operative The parameter number P07 will appear on the display 14 Press simultaneously and buttons until OFF appears on the display 15 Disconnect the pressure gauge from the pressure tale off point B on the gas...

Page 42: ...ain the diverter valve on D H W mode for a time equal to the post circulation keeping hot the secondary heat exchanger To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 5 6 Use and buttons D H W temperature setting to modify the value of the parameter 00 Off 01 On 7 Press mode selection button to confirm and to render the...

Page 43: ...um flow temperature Tm and the minimum outdoor temperature Te taking into consideration the house insulation degree The values of the flow temperature Tm refer to standard 30 80 C appliances or 25 45 C for under floor heating systems The type of appliance can be set using parameter P02 To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters...

Page 44: ...r number P13 will appear on the display 8 To exit from the parameters menu press simultaneously and buttons PARAMETER P14 CENTRAL HEATING MAXIMUM SET POINT This parameter is used to set the central heating maximum user set point To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 5 6 Use and buttons D H W temperature settin...

Page 45: ...t operative The parameter number P15 will appear on the display 8 To exit from the parameters menu press simultaneously and buttons PARAMETER P16 POST VENTILATION This parameter is used to set the fan functioning time after switching off the burner To enter the parameters menu follow the previously described procedure see paragraph 5 2 Accessing the parameters menu steps 1 5 6 Use and buttons D H ...

Page 46: ...8 15 x 0 78 Consumption 15 C 1013 mbar m 3 h 2 71 Consumption 15 C 1013 mbar kg h 2 02 1 99 Gas pressure adjustment table 5 6 Heating output maximum pressure diagram 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 35 36 G 20 G 30 G 31 Gas pressure in mbar Output capacity in kW Natural Gas G20 Liquid Butane Gas G30 Liquid Propane Gas G31 min m...

Page 47: ...are dismantled and reassembled 6 select the new gas type by changing parameter P01 see Parameters table 5 1 7 to convert the appliance from L P G to Natural Gas proceed with the min and max gas pressure adjustment see Gas Valve adjustment 5 3 8 to convert the appliance from Natural Gas to L P G proceed as follows remove the modulator plastic cap A fig 1 and screw in the nut 12 using a 10mm spanner...

Page 48: ...eck that the combustion is correctly regulated and if necessary proceed in line with section Commissioning the boiler Remove and clean any oxidation from the burner Check that the seal of the room sealed chamber is undamaged and positioned correctly Check the primary heat exchanger and clean if necessary Check the maximum and minimum modulation pressures and the modulation itself Check the conditi...

Page 49: ...Left and right side panel Remove the fixing screws at the front and lower edge of the side panel to remove Grasp the bottom of the panel move it sideways and then upwards to remove it To access the electrical connections of the control panel proceed as follows Switch off the power supply at the main switch Remove the front panel see fig 1 and fig 2 Grasp the left and right control panel support br...

Page 50: ...tem If there is a danger of freezing the domestic hot water system should be drained This can be done as follows Close the mains water supply valve Joint the water draining pipe and open the cylinder draining tap see fig 2 A Open all the hot and cold water taps On completion close all the previously opened taps Boiler maintenance It s necessary to check and replace the magnesium anode after a year...

Page 51: ... ce ne C SS 6 5 Wiring diagrams DIGITECH TR Printed Circuit Board MIAH6 Key TRA Ignition transformer ER Ionisation electrode EA Ignition electrode VG Gas valve MD Modulator C Circulating pump PA Air pressure switch TS Safety thermostat SR Heating sensor SS D H W sensor MF Flowswitch micro Pacq Water pressure switch EV Fan VD 3 Way diverter valve MP Terminal board SE Outdoor temperature sensor TA R...

Page 52: ...t or telephone control removing the jumper Ta Ta from the terminal board B first and then connecting the room thermostat telephone control wires d When wires have been connected place plate A back to position and then the front case panel In case of a simultaneously outdoor temperature sensor and remote control installation the printed circuit board sends the outdoor temperature value to the remot...

Page 53: ...ption only if parameter P00 2 3 or 4 CT Telephone control SRB Remote boiler Lock Out indicator Option SVZ Zone Valves Management PCB if Remote control is installed TAZ 1 ZONE 1 Room thermostat TAZ 2 ZONE 2 Room thermostat VZ1 Zone valve 1 VZ2 Zone valve 2 VZR Zone valve Remote control FC Zone valve limit switch ...

Page 54: ...ED h THERMOSTAT MALFUNCTION OR OUT OF CALIBRATION i THERMOSTAT CABLE DISCONNECTED h REPLACE PART i CHECK THE WIRING Manual Reset press the Reset button E03 AIR PRESSURE SWITCH j SWITCH OUT OF ORDER k INLET OR OUTLET FLUE GAS DUCTS OBSTRUCTED l SWITCH CABLE NOT STABLE j REPLACE PART k CHECK FLUE GAS DUCTS l CHECK CABLE Manual Reset press the Reset button E04 NO WATER IN THE SYSTEM m INSUFFICIENT WA...

Page 55: ...n The function is disabled when the temperature detected by the sensor is 8 C in the D H W circuit or 30 C in the central heating circuit F28 Legionella Prevention Function Function active for storage boilers only It comes into operation every 7 days It brings the hot water temperature of the storage cylinder up to 60 C whatever temperature value is set for hot water ERROR CODE PROBLEM POSSIBLE CA...

Page 56: ...LVE HTG CIRC 25 00196 WATER PRESSURE GAUGE 30 00023 AIR PRESSURE SWITCH 2 14 1 96 30 00035 GAS VALVE SIT 35007LA IGNITION ELECTRODE 35009LA IONISATION ELECTRODE 37016LA FAN 40 00078 PRINTED CIRCUIT BOARD MIAH6 59015LA WATER PRESSURE SWITCH 73507LA 1 8 IMMERSED WHITE SENSOR 73516LA HTG CLIP SENSOR FOR PIPE 17 18 mm RED 86006LA SAFETY THERMOSTAT 95 C 95019LA EXPANSION VESSEL LT 8 96032LA 3 WAY DIVER...

Page 57: ...LA WASHER D 15x8x2 3 8 AFM34 43135LA 3 WAY VALVE WASHER 43139LA PLATE EXCHANGER O RING 43145LA 3 WAY VALVE MOTOR O RING MULTIPLEX 43150LA SEAL O RING 43151LA BY PASS O RING 43159LA WASHER EPDM 80 SH M PLEX 16x24x2 5 43248LA OR 4081 EPDM Di18 68x3 53 OR4081E 43276LA OR EPDM 17 00x4 OR17 00x4 54022LA FIXING CLIP 54032LA FIXING CLIP STAINLESS STEEL 61004LP FLOWSWITCH PISTON 64066LA FLOWSWITCH CAP MUL...

Page 58: ... THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION NEITHER WILL THE COMPANY BE HELD RESPONSIBLE FOR ANY INACCURACIES IN THIS HANDBOOK DERIVING FROM PRINTING OR TRANSLATION ERRORS E OEALL RIGHTS RESERVED NO PART OF THIS DOCUMENT MAY BE REPRODUCED MEMORISED IN ANY FILING SYSTEMS OR TRANSMITTED IN ANY FORM WHATSOEVER INCLUDING ELECTRONIC MECHANICAL PHOTOCOPIES RECORDINGS O...

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