Radiant RK 25 Instruction Manual Download Page 1

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SEDBUK BAND A

Installation, operating, commissioning and maintenance instructions

0694

TA05A140

.A0307

Technical specification

RADIANT BRUCIATORI S.p.A.

Montelabbate (PU) ITALY

ENGLISH

Instruction Manual

for model

RK 25

Premix condensing system boiler

Summary of Contents for RK 25

Page 1: ...on operating commissioning and maintenance instructions CE 0694 TA05A140 A0307 Technical specification RADIANT BRUCIATORI S p A Montelabbate PU ITALY ENGLISH Instruction Manual for model RK 25 Premix...

Page 2: ......

Page 3: ...tandard 10 3 2 Boiler room installation requirements 11 3 3 Unpacking 11 3 4 Installation boiler 12 3 5 Water connections 13 3 6 Central heating circuit 14 3 7 Condensate drain 15 3 8 Gas connection 1...

Page 4: ...6 2 Boiler inspection 37 6 3 Accessing the boiler 38 6 4 Flushing out the primary side 38 6 5 Draining the central heating and domestic hot water system 39 6 6 Maintenance operations 40 6 7 Wiring di...

Page 5: ...re reference This Manual must be left along with the Benchmark commissioning booklet with the boiler as Regulation 29 of the HSC Gas safety installation and use Regulations 1998 The warnings contained...

Page 6: ...tight and that there are no gas leaks Prior to start up the central heating pipes should be flushed to remove any residues that could compromise the operation of the appliance The appliance can be re...

Page 7: ...ghly functional unit that is easy to install and simple to operate In its simplicity the wall mounted appliance is equipped with all the appropriate accessories required to make it a fully independent...

Page 8: ...e C 80 Expansion vessel capacity litres 8 Max working pressure heating bar 2 5 Min working pressure heating bar 0 3 Dimensions Boiler casing size Width mm 410 Height mm 730 Depth mm 285 Weight net kg...

Page 9: ...RACTERISTCS TA05A140 A0307 5 110 137 163 285 132 730 HF G HR 49 31 285 730 111 5 187 111 5 48 5 313 48 5 105 182 148 2 2 Dimensions LEGEND HR HEATING RETURN 3 4 HF HEATING FLOW 3 4 G GAS 1 2 SC CONDEN...

Page 10: ...ECTRONIC GAS VALVE 10 3 BAR PRESSURE RELIEF VALVE HTG CIRCUIT 11 AUTOMATIC AIR VENT VALVE 12 HEATING SAFETY THERMOSTAT 13 HEATING SENSOR 14 PUMP WITH AIR VENT 15 WATER PRESSURE SWITCH 16 FLUE HOOD 17...

Page 11: ...3 BAR PRESSURE RELIEF VALVE HTG CIRCUIT 11 AUTOMATIC AIR VENT VALVE 12 HEATING SAFETY THERMOSTAT 13 HEATING SENSOR 14 PUMP WITH AIR VENT 15 WATER PRESSURE SWITCH 16 FLUE HOOD 17 SAFETY THERMO FUSE 18...

Page 12: ...5 Circulation pump head flow graph I II I II III 1400 1200 1600 70 50 60 40 1000 800 400 600 30 10 20 0 0 200 III Appliance Loss Available head at minimum speed Available head at second speed Availab...

Page 13: ...re Water deficiency indicator Temperature display When the boiler is switched off at the switch on the control panel the word OFF appears on the display The central heating frost protection system nev...

Page 14: ...2nd and 3rd family gases BS 5449 Forced circulation hot water systems BS 6700 Installation of cold water supplies for domestic purposes 1st 2nd and 3rd family gases BS 6798 Installation of gas fired h...

Page 15: ...for packing the appliance are fully recyclable It is recommended that the packing material is only removed prior to installing the boiler The manufacturer will not be held responsible for damage caus...

Page 16: ...t that the necessary 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 fixi...

Page 17: ...ted To facilitate the installation the boiler is supplied with an hydraulic connection kit see fig 2 Central heating circuit In order to prevent scaling or deposits in the primary heat exchanger the m...

Page 18: ...rred Radiator valve Filling point DHW outlet Pressure reducing valve supplied Mains water inlet Static head of system Make up vessel Heating by pass if required Lockshield valve Filling the central he...

Page 19: ...diameter is increased to 32mm 8 If the boiler is fitted in an unheated location the entire condensate discharge pipe should be treated as an external run 9 In alI cases discharge pipe must be installe...

Page 20: ...st be a minimum of 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 sys...

Page 21: ...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 sur...

Page 22: ...te removed connect the 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 col...

Page 23: ...tallation and connected into drainage system see fig 1 In the case where a horizontal coaxial system is installed the coaxial terminal must be positioned horizontally in that the exhaust duct has been...

Page 24: ...ere the lowest part of the terminal is fitted less than 2m 6 6ft above a balcony above ground or above a flat roof to which people have access the terminal MUST be protected by a purpose designed guar...

Page 25: ...onnected directly to the outside or can be connected to a suitable combined flue system MAXIMUM FLUE LENGTH 5 m The maximum flue length linear equivalent is obtained by summing the length of linear pi...

Page 26: ...valent 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 exhaust discharge air int...

Page 27: ...inner duct discharges the exhaust fumes MAXIMUM FLUE LENGTH 5 m The maximum flue length linear equivalent is obtained by summing the length of linear pipe and the equivalent lengths of each bend fitte...

Page 28: ...ake 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 accord...

Page 29: ...the external filling loop Unscrew the plug on the pump to remove any trapped air check that the pump is free then re tighten it when water starts to flow out Open the air vents on the radiators and m...

Page 30: ...ator allowing water to flow through then turn that radiator off and repeat for all radiators on the system e Turn off the filling loop and close the drain cock open all radiators and open the filling...

Page 31: ...roximately three minutes before re attempting to light the boiler To reset the boiler Switch off switch 1 see 2 7 Control Panel and switch it back on again and repeat the lighting procedure With the b...

Page 32: ...x 5 180 7 Central heating pump overrun timer 00 90 default 36 The overrun timer can be modified Expressed in steps of 5 sec factory set at 36 x 5 180 8 not applicable D H W pump overrun timer 00 90 de...

Page 33: ...F position 2 Activate the On Off switch while keeping buttons and pressed Wait for PL 0 to appear on the display 3 Release buttons and 4 Keep button S pressed and use button to select the parameter to...

Page 34: ...tive PARAMETER 2 GAS SUPPLY 6 Use buttons and to modify the value of the parameter 00 natural gas 01 lpg 7 Press and release button S to confirm The parameter number 2 will appear on the display 8 Swi...

Page 35: ...the value of the parameter 00 off 01 on default 2 7 Press and release button S to confirm The parameter number 5 will appear on the display 8 Switch off the appliance and switch it back on again to re...

Page 36: ...nd switch it back on again to render the new parameter operative PARAMETER 8 D H W PUMP OVERRUN TIMER Not applicable PARAMETER NO 9 MINIMUM GAS PRESSURE SETTING Not applicable for premix burner only f...

Page 37: ...is installed an extra interface board must be installed to control the zone valves Then set the parameter at 01 7 Press and release button S to confirm The parameter number 15 will appear on the displ...

Page 38: ...onfirm The parameter number 19 will appear in the display 8 Switch off the appliance and switch it back on again to render the new parameter operative PARAMETER 20 MAXIMUM FAN SPEED SETTING CENTRAL HE...

Page 39: ...he display 8 Switch off the appliance and switch it back on again to render the new parameter operative PARAMETER 22 FAN FREQUENCY VALUE DISPLAY 6 Use buttons o to modify the value of the parameter 00...

Page 40: ...C 1013 mbar kg h 1 97 1 94 5 3 2 Heating Power kW Fan frequency Hz diagram 5 3 2 Heating Power kW Fan frequency Hz diagram Table no 1 CO2 Values Gas type CO2 Natural gas G20 9 4 Liquid Butan Gas G 30...

Page 41: ...oceed 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 primar...

Page 42: ...p the left and right control panel support brackets see fig 5 and pull them outwards at the same time rotating the panel downwards Unscrew the four fixing screws see fig 6 and remove the panel back pi...

Page 43: ...tem drain point and locate the other end of the hose in a suitable drainage system Open the system drain valve see fig 1 Open the air vents on the radiators starting with the highest and moving down t...

Page 44: ...ible for damage to any of the boiler s components caused by non compliance with this instruction For all maintenance operations requiring removal of the boiler casing refer to the procedures described...

Page 45: ...n the electrodes carefully without altering their positions with respect to the burner Clean the burner cylinder using a non metal brush and without damaging the ceramic fibre Check the integrity of t...

Page 46: ...nd distances between the electrodes and the burner are respected to avoid a boiler malfunction 6 6 3 Safety thermostat see fig 2 Disconnect the connecting wire Unscrew the fixing screws and remove the...

Page 47: ...heck for any gas leaks using a soapy solution or leak detector spray 6 6 6 Electric fan see fig 2 Remove and dismantle the entire burner unit see 6 6 1 Cleaning the burner unit Use an 8 mm spanner to...

Page 48: ...Check for any leaks from the joints and bleed off any air from the circuit 6 6 8 Circulating pump motor body see fig 2 Close the shut off valves and drain the central heating circuit of the boiler Us...

Page 49: ...the printed circuit board correspond to an instantaneous type boiler fed by natural gas When replacing the modulation circuit board check the Minimum heating flow rate Parameter 19 and Max Heating pow...

Page 50: ...ivery and return pipes Remove the support brackets and pull out the heat exchanger Remove the regulation sensor from the old heat exchanger and refit it together with the two condensate drainpipes to...

Page 51: ...NTED CIRCUIT BOARD KOND DT SK11003 COD 76702LA PRINTED CIRCUIT BOARD DIGITECH SM20019 COD 76677LA EXHAUST FAN type RG128 1300 3612 N L yellow green fusibile 2A brown light blue brown orange orange lig...

Page 52: ...have been connected place plate A back to position and then the front case panel 6 7 3 Connecting the outside temperature sensor Option Connect the wires to the terminal board inside the instrument p...

Page 53: ...ect the remote controller wires When the wires have been connected place plate A back to position and then the front case panel 6 7 5 Connecting the remote controller and the telephone control option...

Page 54: ...THERM Zone valve management option remote controller board 6 7 6 Remote control and zone valves wiring For the installation of a zone valve p c b it is necessary to access the main p c b for electric...

Page 55: ...ONS TA05A140 A0307 51 REMOTE OPEN THERM Telephone control Terminal block Outside temperature sensor option Zone valve management option remote controller board 6 7 7 Remote control zone valves and tel...

Page 56: ...The factors governing the correction is reported in figure 1 The selection of the compensation curve is determined by the maximum delivery temperature Tm and the minimum outdoor temperature Te N B Th...

Page 57: ...REPLACE PART j CHECK THE WIRING E03 FLUE SAFETY THERMOSTAT k THERMOSTAT BROKEN l THERMOSTAT CABLE DICONNECTED m THERMOSTAT LOCK OUT HIGH FLUE TEMPERATURE k REPLACE PART l CHECK THE ELECTRICAL CONNECT...

Page 58: ...he Flue test function operates the boiler at the maximum heating pressure for 15 minutes without any modulation The function is useful for combustion testing 8 Frost Protection Central heating circuit...

Page 59: ...R OR CLIPS KIT FOR MULTIPLEX 9 59015LA WATER PRESSURE SWITCH PC 5411 BRASS 9 73516LA HTG CLIP SENSOR X PIPE 17 18 m m BLUE T7335D1123B 9 73517LA THERMO FUSE 102 C RED ISOTHERM 1 4 4X45 9 76677LA PRINT...

Page 60: ...FORMATION PURPOSES ONLY AND ARE NOT BINDING THE COMPANY RESERVES THE RIGHT TO APPLY VARIATIONS WITHOUT PRIOR NOTIFICATION NEITHER WILL THE COMPANY BE HELD RESPONSIBLE FOR ANY INACCURACIES IN THIS HAND...

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Radiant RK 25, Instruction Manual

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