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TECHNICAL CHARACTERISTCS

TA05A140.A0307

2.4 Water circuit

LEGEND

PRIMARY CONDENSING HEAT
EXCHANGER

PREMIX BURNER UNIT (GAS
MBURNER)

PRIMARY CONDENSING HEAT
EXCHANGER CONDENSATE DRAIN PIPE

IONISATION ELECTRODE

IGNITION ELECTRODE

FAN

VENTURI

IGNITION TRANSFORMER

ELECTRONIC 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.

SAFETY THERMO FUSE

18.

EXPANSION VESSEL

19.

ROOM SEAL CHAMBER BACK SIDE

20.

CONDENSATE TRAP

21.

WATER PRESSURE GAUGE

22.

AUTOMATIC BY-PASS

23.

CONDENSATE DRAIN PIPE

24.

SYSTEM DRAIN VALVE

LEGEND

HEATING RETURN

Ø3/4”

HEATING FLOW

Ø3/4”

GAS

Ø1/2”

CONDENSATE DRAIN

Ø25

Содержание RK 25

Страница 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...

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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