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USE

USEFUL ADVICE

Water comes out of the pressure relief

valve

Check if the filling cock is closed tightly (see

"Refilling procedure" on page 12).

Check on the pressure gauge that the pres

sure in the central heating circuit is not

close to 3 bars. In this case, temperature

rise in the circuit can cause the pressure

relief valve to open. So that this does not

happen and to decrease the pressure to a

normal value, it is advisable to vent some of

the water in the appliance through the bleed

valves present in the radiators.

Reduced domestic hot water tempera-

ture

The likely causes may be impurities caught

in the domestic hot water flow switch filter or

limescale deposited in the domestic hot wa

ter heat exchanger. It is advisable to have

the appliance cleaned out by an Authorised

Service Centre Engineer.

Should occasionally leak from the boiler

Shut off the valves positioned under the

boiler to page 16 and call an Authorised

Service Centre Engineer.

In this case or in case of prob-

lems other than those men-

tioned here, switch off the boil-

er, as described in section

"Switching off" on page 16

and call a competent and re-

sponsible Service Engineer.

3.7 Displaying in INFO mode

The INFO mode allows the display of some

information on the boiler functioning status.

In case of malfunctioning of the boiler, it may

be useful to communicate such information

to the Authorised Service Centre Engineer

so that the causes can be understood.

To access INFO mode, press key 18 (Fig.

3.5) and hold for 5 seconds until the code

n02

shows on the display (Fig. 3.6).

Fig. 3.5

Fig. 3.6

bar

RESET

To scroll the values press 12 (previous

INFO) and 13 (next INFO) keys.

To exit INFO mode, either:

•

press and hold the 17 key for 5 seconds

(Fig. 3.5) (one level up).

The table summarises the possible values

visible in INFO mode.

Table of

contents

Value shown

n02

DHW output temp.

n03

NTC return temperature (not

present)

n04

Flue gas temperature (not

present)

n05

Outdoor temperature

n08

Maximum set fan speed

(RPM/100)

Содержание BASICA COND

Страница 1: ...igh efficiency gas boiler User manual and Installation instructions BASICA COND Product name Models G C Appl No BASICA COND 24C M275V 2024 SM 47 583 49 BASICA COND 28C M275V 2428 SM 47 583 50 BASICA COND 32C M275V 2832 SM 47 583 51 ...

Страница 2: ...ting and hot water systems in the UK and to encourage regular servicing to optimise safety efficiency and performance Benchmark is managed and promoted by the Heating and Hot water Industry Council For more information visit www hhic co uk DANGER The indications marked with this symbol must be observed to pre vent accidents of mechanical or generic origin e g Injuries or bruises DANGER The indicat...

Страница 3: ... All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme A Building Regulations Compliance Certificate will then be issued to the customer who should on receipt write the Notification Number on the Bench mark Checklist This product should be serviced regularly to optimise its safety efficiency and performance The service engineer shou...

Страница 4: ...com patible with its performance and output can be used only for those purposes for which it has been specially designed must not be touched by children or by those unfamiliar with its operation must not be exposed to weather conditions During the operation it is quite normal that the boiler produces a white plume of conden sation vapour from the flue terminal This is due to the high efficiency of...

Страница 5: ...food drinking or using the toilet First aid Medical attention must be sought following eye contact or prolonged reddening of the skin Sharp Edges Caution should be taken when handling the boiler to avoid sharp edges on the boiler Boiler installation and commissioning tips The installation must be carried out by a qualified Gas Safe Registered Engineer who will be responsible for observing the curr...

Страница 6: ...ed to stop the boiler in case that the water temperature exceeds the design temperature You are strongly advised to flush out the system both hot and cold in order to remove any system and installation debris to the British Standard BS 7593 code of practice It is also sensible to initially fire and commission the boiler before connecting any external controls such as a room thermostat By following...

Страница 7: ...allation 54 7 3 Gas supply installation 54 7 4 Filling the D H W system 54 7 5 Initial filling of the system 54 7 6 Condensate pipe and traps 56 7 7 Checking the gas supply pressure 56 7 8 Checking the inlet pressure 57 7 9 Lighting the boiler 57 7 10 Checking the ignition device 59 7 11 Checking the flue system 59 7 12 Checking the condensate drain pipe 59 7 13 Instructing the user 59 8 ADVANCED ...

Страница 8: ...t off cock for the D H W inlet The figures in this manual only show one of the possible ways of installing cocks pipes and fit tings Fig 1 2 2 4 3 5 6 8 10 9 7 11 2 Gas supply label 3 Condensate drain pipe 4 C H flow valve 5 D H W outlet pipe 6 Gas inlet valve 7 C H pressure relief valve pipe 8 D C W inlet valve 9 Main circuit drain valve 10 C H return valve 11 Model and serial number of the boile...

Страница 9: ... 3 Control panel Fig 1 3 12 13 14 15 16 17 18 12 D H W temperature increase key 13 D H W temperature reduce key 14 LCD display 15 C H temperature reduce key 16 C H temperature increase key 17 Stand by Winter Summer key 18 Reset key ...

Страница 10: ...flashing SIGNAL DISPLAYED BY THE LCD LCD FUNCTION E01 Safety lockout due to failed ignition E02 Lockout due to safety thermostat E03 EEPROM error E04 Pump circulation failure or insufficient system pressure E05 Fan control anomaly E06 Heating NTC probe fail ure E07 DHW NTC probe fail ure E08 External NTC probe failure E09 Flue gas NTC probe failure interruption E10 Lockout due to tripping of the f...

Страница 11: ...r request The DHW temperature is displayed Boiler with heating power request The temperature of the primary heating circuit is displayed Burner ignition discharge Flame detected burner ignited Boiler in DHW anti freeze phase the symbol flashes LCD FUNCTION Boiler in heating anti freeze phase the symbol flashes Heating set tempera ture all other symbols are disabled DHW set temperature all other sy...

Страница 12: ...rly filled with water even if the boiler is only used for D H W supply If the pressure reading on the display is be low that shown in Fig 2 4 then the system will require topping up A filling loop is nor mally provided by the Installer for this pur pose If you are in any doubt regarding this procedure you are advised to contact your Installer or an Approved Engineer This appliance is provided with...

Страница 13: ...ediately at the fused spur iso lation switch and contact your Installer or an approved Service Engineer Air introduced into the boiler during this fill ing process will vent through the automatic air purger fitted to the boiler You may also find it necessary to vent air from your radia tor circuit using your radiator key however be aware that excessive venting will cause the pressure in the system...

Страница 14: ...ce and 16 increase Fig 2 9 from a minimum of about 25 C to a maximum of about 85 C or from a minimum of about 50 C to a maxi mum of about 80 C or from a minimum of about 25 C to a maximum of about 55 C see Selecting the heating temperature set on page 65 Press one of the two keys once to display the set value Press again to access the modification Signal given by the LCD display The heating flow s...

Страница 15: ... heating system can be adjusted by 15 C by pressing on keys 15 reduce and 16 in crease Fig 2 9 2 5 D H W temperature The temperature of the D H W can be ad justed by pressing keys 12 increase and 13 reduce Fig 2 9 from a minimum of about 30 C to a maximum of about 60 C Press one of the two keys once to display the set value Press again to access the modification Signal given by the LCD display the...

Страница 16: ...tion is active If a long period of inactivity is envisioned Switch off the electricity supply to the boil er by means of the fused spur isolation switch Shut off the gas supply cock and the valves for the water circuits fitted under the boiler Fig 2 17 Fig 2 17 Close position If necessary empty the hydraulic circuits see section Emptying the D H W sys tem on page 76 and section Emptying the C H sy...

Страница 17: ...old weather with consequent risk of freezing do not switch off the boiler at the fused spur isolation switch or close the gas inlet cock If the boiler is deactivated have a qualified technician empty the boiler heating and domestic hot water circuit the C H system and the D H W system 3 3 Condensate drain The condensate drain must not be modi fied or blocked Blockage of the condensate drain caused...

Страница 18: ...eneral features on page 10 the boiler is in lockout mode The display background flashes Fig 3 3 Fig 3 3 bar RESET Each fault is classified accord ing to the level of priority If more than one faults are detect ed at the same time the most urgent error code is shown Frequent safety lockouts should be reported to an authorised service centre Other operational faults signalled on the LCD display If a...

Страница 19: ... to page 16 and call an Authorised Service Centre Engineer In this case or in case of prob lems other than those men tioned here switch off the boil er as described in section Switching off on page 16 and call a competent and re sponsible Service Engineer 3 7 Displaying in INFO mode The INFO mode allows the display of some information on the boiler functioning status In case of malfunctioning of t...

Страница 20: ...tore nor mal boiler operation please contact an Authorized Service Centre The flue probe and safety thermal fuse 19 indicated in Fig 3 7 are a safety device The flue probe 19 intervenes when the flue tem perature exceeds 110 C placing the boiler in safety block switching it off To reset normal boiler functioning just press the 17 Fig 3 5 key If flue probe 19 does not intervene and therefore does n...

Страница 21: ... 21 INSTALLATION TECHNICAL INFORMATION 4 TECHNICAL INFORMATION 4 1 Overview Fig 4 1 19 20 39 22 21 38 35 34 30 33 28 40 31 26 3 7 37 32 25 9 24 23 36 41 44 45 ...

Страница 22: ...8 D C W inlet valve 9 Main circuit drain valve 10 C H return valve 19 Flue temperature probe NTC and Safety thermal fuse 20 Condensing heat exchanger 21 NTC heating delivery probe NTC maxi mum temperature 22 Flame detecting electrode Ignition elec trode 23 C H pressure relief valve 44 45 46 20 22 39 36 28 41 25 31 35 23 6 10 9 3 4 8 5 32 27 29 24 30 40 34 43 42 33 47 19 48 21 ...

Страница 23: ...it pressure switch 32 Condensate trap 33 D H W heat exchanger 34 Three way diverter valve 35 Three way electric actuator motor 36 Fan 37 Air manifold 38 Air gas mixer 39 Burner 40 Domestic hot water flow switch 41 C H expansion tank 42 Domestic water circuit filter 43 Domestic hot water flow limiter optional 44 Flue outlet pipe 45 Air intake pipe 46 Flue exhaust sampling point 47 Air sampling poin...

Страница 24: ... h 91787 Minimum condensing C H D H W kW 5 3 BTU h 18084 Central heating Min Max flow temperature settings C 25 85 Maximum pressure kPa 250 bar 2 5 Minimum pressure kPa 30 bar 0 3 Available head in 1000 l h kPa 38 5 bar 0 39 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m3 G31 46 34 MJ kg B referred to the gross calorific value at 15 C and...

Страница 25: ...re E C 82 0 Mass flow rate E kg s 0 0111 Flue gas figures Nominal heat input A E kW 25 0 CO2 content with gas G20 9 1 9 7 O2 content with gas G20 4 1 CO content with gas G20 ppm 140 0 Exhaust temperature E C 82 0 NOx class 6 Weighted NOx ppm 16 E Values refer tests with a 1 m flue working at the nominal heat input CO2 contents central heating Nominal heat input A E kW 21 0 CO2 content with gas G20...

Страница 26: ... 26 INSTALLATION TECHNICAL INFORMATION Other specifications Height mm 703 Width mm 400 Depth mm 295 Weight dry kg 29 3 Water volume in the boiler up to 1 bar l kg 2 0 2434 ...

Страница 27: ... At 30 of rated heat output and low temperature regime η1 98 2 Auxiliary electricity consumption Other items At full load elmax 0 038 kW Standby heat loss Pstby 0 110 kW At part load elmin 0 014 kW Ignition burner power con sumption Pign kW In standby mode PSB 0 003 kW Annual energy consumption QHE 64 GJ Sound power level indoors LWA 52 dB Emission of nitrogen oxides NOx 29 mg kWh For combination ...

Страница 28: ...h 106118 Minimum condensing C H D H W kW 5 3 BTU h 18084 Central heating Min Max flow temperature settings C 25 85 Maximum pressure kPa 250 bar 2 5 Minimum pressure kPa 30 bar 0 3 Available head in 1000 l h kPa 38 5 bar 0 39 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m3 G31 46 34 MJ kg B referred to the gross calorific value at 15 C and...

Страница 29: ...re E C 85 0 Mass flow rate E kg s 0 0129 Flue gas figures Nominal heat input A E kW 29 0 CO2 content with gas G20 9 1 9 7 O2 content with gas G20 4 1 CO content with gas G20 ppm 180 0 Exhaust temperature E C 85 0 NOx class 6 Weighted NOx ppm 16 E Values refer tests with a 1 m flue working at the nominal heat input CO2 contents central heating Nominal heat input A E kW 25 0 CO2 content with gas G20...

Страница 30: ... 30 INSTALLATION TECHNICAL INFORMATION Other specifications Height mm 703 Width mm 400 Depth mm 295 Weight dry kg 31 3 Water volume in the boiler up to 1 bar l kg 2 0 2435 ...

Страница 31: ... At 30 of rated heat output and low temperature regime η1 98 1 Auxiliary electricity consumption Other items At full load elmax 0 051 kW Standby heat loss Pstby 0 110 kW At part load elmin 0 014 kW Ignition burner power con sumption Pign kW In standby mode PSB 0 003 kW Annual energy consumption QHE 76 GJ Sound power level indoors LWA 53 dB Emission of nitrogen oxides NOx 28 mg kWh For combination ...

Страница 32: ...U h 118742 Minimum condensing C H D H W kW 6 6 BTU h 22520 Central heating Min Max flow temperature settings C 25 85 Maximum pressure kPa 250 bar 2 5 Minimum pressure kPa 30 bar 0 3 Available head in 1000 l h kPa 38 5 bar 0 39 to the minimum useful output A referred to the net calorific value at 15 C and 1013 25 mbar G20 34 02 MJ m3 G31 46 34 MJ kg B referred to the gross calorific value at 15 C a...

Страница 33: ...re E C 83 0 Mass flow rate E kg s 0 0142 Flue gas figures Nominal heat input A E kW 32 0 CO2 content with gas G20 9 1 9 7 O2 content with gas G20 4 1 CO content with gas G20 ppm 190 0 Exhaust temperature E C 83 0 NOx class 6 Weighted NOx ppm 19 E Values refer tests with a 1 m flue working at the nominal heat input CO2 contents central heating Nominal heat input A E kW 27 5 CO2 content with gas G20...

Страница 34: ... 34 INSTALLATION TECHNICAL INFORMATION Other specifications Height mm 703 Width mm 400 Depth mm 295 Weight dry kg 31 3 Water volume in the boiler up to 1 bar l kg 2 5 2436 ...

Страница 35: ...At 30 of rated heat output and low temperature regime η1 98 2 Auxiliary electricity consumption Other items At full load elmax 0 047 kW Standby heat loss Pstby 0 110 kW At part load elmin 0 014 kW Ignition burner power con sumption Pign kW In standby mode PSB 0 003 kW Annual energy consumption QHE 84 GJ Sound power level indoors LWA 53 dB Emission of nitrogen oxides NOx 33 mg kWh For combination h...

Страница 36: ... reduction or total stopping of water circulation in the heating system due to the closing of thermostatic valves or circuit elements valves the by pass ensures a minimum water circulation inside the condensing primary exchanger The by pass is calibrated to a differential pressure of about 0 3 0 4 bar 4 7 Expansion vessel Note this boiler is designed for opera tion only in a sealed central heating...

Страница 37: ...lations 5 1 Related documents The installation of this appliance must be in accordance with the relevant requirements of the current Gas Safe Installation Use Regulations the Local Building Regulations the current I E E Wiring Regulations the Regulations and by laws of the local water un dertaking and in Scotland in accordance with the Building Standards Scotland Regulation Health and safety docum...

Страница 38: ...s into another room or space as an outhouse or lean to It is important that the position of the terminal allows a free passage of air across at all times The terminal should be located with due regard for the damage or discoloration that might occur to building products in the vicinity In cold and or humid weather water vapour may condense on leaving the flue terminal the effect of such steaming m...

Страница 39: ...l structure on the roof 600 Q Above intersection with the roof 600 R From a roof window and terminal 600 S From a roof window and terminal 2 500 In addition for temperature and structural reasons the terminal should not be near than 150 mm to an opening in the building fabric formed for the purpose of accommodating a built in element such as a sealed window frame A heat protection shield should al...

Страница 40: ...BS 6798 2008 The schematic diagrams of possible connec tions are given in Fig 5 2 and Fig 5 3 The length of the condensate pipe should be kept to a minimum any external pipe should not be more than 3 m in 32 mm pipe and insu lated to prevent freezing To avoid condensate being trapped the drain pipe should be run with a fall of at least 2 5 45 mm m away from the boiler the number of bends and joint...

Страница 41: ...2003 BSEN 14446 2004 the following notes are given for general guidance For Ireland IE refer to I S 813 2002 Pipework Copper tubing to BSEN 1057 is recommended for water pipes Jointing should be either with capillary soldered or with compression fittings Where possible pipes should have a gradient to ensure air is carried naturally to air release points and water flows naturally to drain taps The ...

Страница 42: ...d replacing water lost during servicing must be provided and it must comply with local water authority regulations The correct method is shown in Fig 5 5 The temporary connection must be removed immediately after filling Fig 5 5 Temporary connection Control valve Control valve Double check valve Supply pipe cold water inlet C H return pipe The installer should ensure that no leaks ex ist either in...

Страница 43: ...pply The mains supply to this appli ance must be protected with a 3A mains fuse under no circum stance should this fuse rating be exceeded The method of connection to the electricity supply must facilitate complete electrical iso lation of the appliance by the use of a fused spur isolation switch Its installation permits a complete switching off in the conditions of the overvoltage category III Al...

Страница 44: ...rom failure to com ply with such provisions For Propane the appliance must also con form with the requirements of the distribu tors and comply with current Regulations and laws in force The safety relief valve and the condensate drain must be connected to a suitable drain or discharged in a safe manner The electrical wiring must conform with cur rent Regulations in particular the boiler must be ea...

Страница 45: ...alising gases present in the water We recommend the use of a suitable Build cert approved universal inhibitor to protect the C H system from corrosion Biasi UK strongly recommend that matched system chemicals are used this will ensure that no unwanted chemical reactions take place as system chemical manufactures en sure own brand compatibility 6 3 Installing the bracket Precautions Before mounting...

Страница 46: ...ings Functions Pipe sizes o d Gas C H return C H flow Ø 22 mm D C W inlet Ø 15 mm D H W outlet Ø 15 mm Pressure relief valve Ø 15 mm Condensate drain Ø 20 mm rubber sizes in mm o d Condensate drained with Ø 21 5 mm solvent weld pipe 6 6 Mounting the boiler Take the protective caps off the boiler pipework Thoroughly clean the connections Fix the water valve O to position J Fig 6 2 using the gasket ...

Страница 47: ...e the terminal must be higher than the intake at the boiler The standard horizontal flue kit must be fit ted horizontal as the inner flue exhaust pipe is already angled with the correct incline CORRECT system for installing the wall flue Fig 6 5 A S ASA A air intake S flue exhaust 6 8 Choice of flue The flue exhaust air intake can be installed in the mode C13 C33 C53 C63 The terminal must be highe...

Страница 48: ...h the pipe re duce the maximum length of the flue pipe by For the bend of 45 loss 0 5 m For the bend of 90 loss 1 m Exhaust intake split pipes kit Ø 80 mm Fig 6 7 Fig 6 8 This kit allows the flue exhaust to be sepa rated from the air intake Split pipes kit Ø 80 mm Minimum length 0 5 m Maximum length a b 40 m N B The air intake and the flue outlet must not terminate on opposite sides of the buildin...

Страница 49: ... coaxial flue 0 45 0 95 m Maximum length a b 15 m This kit allows the products of combustion to be discharged at a different location to the air intake to avoid nuisance issues Fig 6 10 90 1 m 45 0 5 m 90 0 85 m 45 0 65 m ø 60 mm ø 60 100 mm 60 mm elbows and extensions can be add ed to the vertical section Each additional elbow reduces the overall acceptable length of the flue system as fol lows F...

Страница 50: ...For the bend of 90 60 mm loss 0 85 m The chart Fig 6 12 gives the maximum al lowed value for a b of Fig 6 11 Fig 6 12 a vertical length m b horizontal length m 0 1 2 3 4 5 6 7 8 9 10 11 0 1 2 3 4 5 6 7 8 9 10 11 Allowed values o d u A Plume deflector is available to assist in overcoming boundary nuisance issues Fig 6 13 6 9 Electric connection Unscrew screws R and remove the front panel S by pulli...

Страница 51: ...he same connections for the live brown wire and the neutral blue wire External 3A fuse or fused plug with same current rating is recommended Connect the earth cable yellow green to an effective earth plant Fig 6 16 Electric power supply TA The earth cable must be the longest of the electric power supply cables The appliance s electric power supply cable or wire must have a section no less than 0 7...

Страница 52: ...iding Direct sunlight Humid walls or walls subject to the forma tion of mildew Installation near to fans drain outlets or chimneys It is recommended to be installed on a north aspect wall at least 1 m below any eaves and at least 2 m above ground 6 12 Electric connection between the boiler and the external probe To connect the external probe to the boiler use electric cables with a section no less...

Страница 53: ...e Therefore by means of a hydraulic separa tor the secondary circuit s flow rate is put into circulation only when the relative pump is on When the pump of the secondary is off there is no circulation in the correspond ing circuit and therefore the entire flow rate pushed by the primary is by passed through the separator Thus with the hydraulic separator it is pos sible to have a constant flow rat...

Страница 54: ...e carried out by a competent person i e polarity earth continu ity resistance to earth and short circuit If a fault has occurred on the appliance the fault finding procedure should be followed as specified in the service manual 7 3 Gas supply installation Inspect the entire installation including the gas meter test for tightness and purge all as described in BS 6891 For Ireland IE refer to I S 813...

Страница 55: ... procedure must be in line with BS7593 2006 Treatment of Water in D H W C H Systems When the installation and second filling are completed turn on the C H system and run it until the temperature has reached the boiler operating temperature The system must then be immediately flushed through This procedure must be repeated twice more During this operation a C H flushing de tergent must be used in t...

Страница 56: ...g 7 4 key until the message OFF appears on the LCD display Fig 7 3 7 6 Condensate pipe and traps The full length of the condensate pipe should be check for leaks Before running the boiler ensure that the built in condensate trap and any other trap in the drain system is correctly filled with water Fill the built in condensate trap by removing the flue elbow and pour ing a cupful of water into the ...

Страница 57: ...to a gas sup ply which has a zero set governor then it is necessary under the Gas Safe Installa tion and Use Regulations 26 9 to perform a combustion analysis test for CO CO2 The limits for the boiler is given in sec tion Technical data BASICA COND 24C M275V 2024 SM on pag 24 Technical data BASICA COND 28C M275V 2428 SM on pag 28 and Technical data BASICA COND 32C M275V 2832 SM on pag 32 CO2 conte...

Страница 58: ...g 7 13 Fig 7 13 bar RESET Open the gas cock Make sure that the ambient thermostat is in the heat request position Check the correct functioning of the boiler both in domestic hot water mode and in heating mode Check the gas pressures and flow rates as shown in section GAS CONVERSION on page 72 of this booklet Check that the condensate produced during operation fills the syphon and is regularly dra...

Страница 59: ... about four min utes the boiler does not function and a code that alternates between the letter E and the writing RESET appear on the LCD display it indicates that the safety lock out has stopped the boiler The display background flashes Fig 7 15 Fig 7 15 Press the reset key 18 on the boiler control panel to reset its functioning 7 11 Checking the flue system The flue system should be visually che...

Страница 60: ...temperature controls if fitted Explain how to turn off the appliance for both short and long periods and advise on the pre cautions necessary to prevent damage should the appliance be inoperative when freezing conditions may occur Fill in the details required on the Boiler Guar antee Certificate and hand to the User advis ing them to return the correct section for boiler Guarantee registration Fin...

Страница 61: ...to set 1 9 then press 12 to confirm the 9 and go to the next segment Press the 16 button to set 1 9 8 then press 12 to confirm the 8 and go back to the list of parameters Press button 12 or 13 to move to the de sired parameter and continue configura tion see following paragraphs 8 2 Enabling of operation with re mote control optional The boiler leaves the factory with a room thermostat enabled To ...

Страница 62: ...e remote control optional this parameter must be set based on the efficiency of the heating system to optimise the delivery tempera ture With heating temperature setting 25 85 C Fig 8 6 factory set or temperature set ting 25 55 C Fig 8 7 or temperature set ting 50 80 C Fig 8 8 see Selecting the heating temperature set on page 65 In this case K setting must be done from the remote control Fig 8 6 E...

Страница 63: ...it is possible to modify the value of parameter P07 00 probe disabled preset 01 probe enabled 12kOhm 02 probe enabled 10kOhm Press 12 or 13 Fig 8 9 to confirm the value entered and return to the list of pa rameters Fig 8 11 Press the 17 button Fig 8 9 to exit pro gramming mode Press 13 and hold until the LCD display shows the code P08 indicating entry into parameter P08 Fig 8 13 Fig 8 13 bar RESET...

Страница 64: ...20 25 20 15 10 5 0 5 10 15 20 30 40 50 60 70 80 90 Delivery temperature C 25 85 C K 2 0 5 C 5 C Fig 8 15 External temperature C 20 25 20 15 10 5 0 5 10 15 20 30 40 50 60 K 2 0 5 C 5 C Delivery temperature C 25 55 C Fig 8 16 External temperature C 20 25 20 15 10 5 0 5 10 15 20 30 40 50 60 70 80 90 K 2 0 5 C 5 C Delivery temperature C 50 80 C 8 4 Selecting the maximum heat ing temperature setpoint w...

Страница 65: ...d and return to the list of pa rameters Fig 8 18 Press the 17 button Fig 8 17 to exit pro gramming mode 8 5 Selecting the heating tempera ture set Depending on the type of high or low tem perature heating system the temperature setting range can be set In heating mode the boiler is set for temper atures between 50 C and 80 C This range can be changed to a minimum of 28 C and a maximum of 55 C Ente...

Страница 66: ...2 bar RESET Scroll through the various menus by pressing the keys 12 back or 13 for ward until the LCD display shows the code P03 indicating entry into parameter P03 Fig 8 23 Fig 8 23 bar RESET Press the keys 16 until the value of pa rameter P03 on the LCD display Fig 8 24 Fig 8 24 bar RESET It is possible to modify the value of param eter 03 from 0 to 99 seconds by pressing the 15 or 16 keys Pres...

Страница 67: ...e of pa rameter P05 on the LCD display Fig 8 28 Fig 8 28 bar RESET It is possible to modify the value of param eter 05 from 0 to 255 minutes by pressing the 15 or 16 keys Press 12 or 13 Fig 8 21 to confirm the value entered and return to the list of pa rameters Fig 8 23 Press the 17 button Fig 8 21 to exit pro gramming mode 8 8 Factory reset The RESET returns all parame ters to the factory setting...

Страница 68: ... code P00 appears on the display indicating entry into parameter P00 Fig 8 32 Fig 8 31 12 13 14 15 16 17 18 Fig 8 32 bar RESET Scroll through the various parameters us ing 12 or 13 until the LCD display shows the message Cod indicating entry into parameter Cod Fig 8 33 and then dis plays three dashes Fig 8 33 bar RESET Press the 16 button to set 2 then press 12 to confirm the 2 and go to the next ...

Страница 69: ... code P02 indicating entry into parameter P02 Fig 8 36 Fig 8 36 bar RESET By using buttons 15 or 16 Fig 8 31 it is possible to modify the value of parameter P02 Fig 8 37 78 Default 83 Correct Fig 8 37 bar RESET Press 12 and hold until the LCD display shows the code P09 indicating entry into parameter P09 Fig 8 38 Fig 8 38 bar RESET By using buttons 15 or 16 Fig 8 31 it is possible to modify the va...

Страница 70: ...gh temperature 50 80 C 02 low temperature 25 55 C 03 full range temperature set 25 85 C factory setting Press 12 or 13 Fig 8 31 to confirm the value entered and return to the list of pa rameters Fig 8 42 Press button 12 and hold until the LCD display shows the code A12 indicating entry into parameter A12 Fig 8 43 Fig 8 43 bar RESET By using buttons 15 or 16 Fig 8 31 it is possible to modify the va...

Страница 71: ...e LCD display shows the code A38 indicating entry into parameter A38 Fig 8 47 Fig 8 47 bar RESET By using buttons 15 or 16 Fig 8 31 it is possible to modify the value of parameter A38 Fig 8 48 60 Default 10 Correct Fig 8 48 bar RESET Press 12 or 13 Fig 8 31 to confirm the value entered and return to the list of pa rameters Fig 8 45 Press the 17 button Fig 8 31 to exit pro gramming mode ...

Страница 72: ...and remove the pipe A Fig 9 1 Fig 9 1 A B Carry out gas conversion by correctly replacing the gas restrictor Fig 9 2 re ferring to section Technical data BASICA COND 24C M275V 2024 SM on pag 24 Technical data BASICA COND 28C M275V 2428 SM on pag 28 and Tech nical data BASICA COND 32C M275V 2832 SM on pag 32 Fig 9 2 Gas restrictor Attention to reassemble repeat the operations carried out in re vers...

Страница 73: ...n Fig 9 3 to exit pro gramming mode Calibrate the gas valve according to the instructions given in the Service manual section Gas valve Adjustment Reposition the control panel and reas semble the front panel of the body Apply the label indicating the type of gas and the pressure value for which the unit is set The self adhesive label is contained in the documentation envelope attached to the boile...

Страница 74: ...vices i e external con trols may lead dangerous volt age inside the appliance as well Ensure they are isolated In case of doubt turn off the gen eral system switch The Engineer should complete the Service Interval Record at the back of the manual 10 2 Programming the mainte nance period Enter programming mode by following the steps described in the section Access parameters for installer on page 6...

Страница 75: ...the external panels Front panel Unscrew screws A and remove the front panel E by pulling it and pushing it to wards the top so that it is freed from the top housings Fig 10 4 and Fig 10 5 Side panels Loosen screws B G and C I in Fig 10 4 and remove the two side panels F and H by pulling towards the outside Fig 10 4 A B C D Fig 10 5 E F G H I Control panel Remove screws D Fig 10 4 and turn the cont...

Страница 76: ...g the D H W system Turn off the D C W inlet isolating valve 8 Fig 10 7 Fig 10 7 Close position 8 4 10 Turn on the hot water taps and any drain cocks 10 6 Emptying the C H system Close the C H isolating valves 4 and 10 in Fig 10 7 Loosen the central heating drain cock 9 indicated in Fig 10 8 Fig 10 8 OPEN CLOSED Main circuit drain valve 9 To make draining easier lift the plug 24 of the automatic re...

Страница 77: ...onnector Fig 10 10 Fig 10 11 Fig 10 11 N O Unscrew screws M and remove the fan burner unit 39 Fig 10 10 Extract the burner casing by pulling it out wards The silicon seal on the front wall of the combustion chamber Fig 10 12 must be replaced if worn Fig 10 12 P The ignition detection electrode P in Fig 10 12 also functions as a sensor for the correct drainage of the condensate Should the mentioned...

Страница 78: ... and carried out by a competent Gas Safe Registered Engineer Attention to reassemble repeat the operations carried out in re verse order Be careful not to damage the OR gasket of the gas pipe when inserting the pipe in Air box After any service operation on the components of the gas cir cuit check all the connections for gas leaks 10 8 Check the pressure of the heating expansion vessel Drain the h...

Страница 79: ... temperature of 60 80 C Fig 10 16 Model BASICA COND 28C M275V 2428 SM Nominal heat input A E kW 25 0 Nominal efficiency 98 Combustion efficiency 98 2 Air index n 1 2 Flue gas CO2 content 9 0 9 6 Flue gas O2 content 4 1 Flue gas CO content ppm 180 Flue gas temperature C 85 0 Values refer to tests with a an 80 mm double exhaust split by 1 1 m and natural gas G20 and a supply return heating temperatu...

Страница 80: ...el of water treatment should be checked on an annual basis and re treated after full or par tial drain down A conductivity meter can be used to check the correct concentration of inhibitor in the heating water 10 16 Setting the boiler flue sweep function With the boiler set in flue sweep mode it is possible to exclude some boiler automatic functions making check and control opera tions easier Ente...

Страница 81: ...indicating activa tion of the chimney sweep function at minimum output in domestic hot water mode Press the 12 key Fig 10 19 to confirm the value entered and activate the func tion Fig 10 24 Fig 10 24 bar RESET Flue sweep function at maximum output in heating mode Press the 16 key and the LCD display shows the number 03 indicating activa tion of the chimney sweep function at maximum output in heat...

Страница 82: ...y their responsibility to register with the manufacturer within the allotted time period It is essential that the boiler is serviced in line with the manufacturers recommendations at least annually This must be carried out by a competent Gas Safe registered engineer The service details should be recorded on the Benchmark Service and Interim Boiler Work Record and left with the householder Failure ...

Страница 83: ...ers complete DHW mode gas rate m3 hr or ft3 hr Central heating output left at factory settings Yes No If no what is the maximum central heating output selected kW Dynamic gas inlet pressure mbar Central heating flow temperature C Central heating return temperature C System correctly balanced rebalanced Yes COMBINATION BOILERS ONLY Is the installation in a hard water area above 200ppm Yes No Water ...

Страница 84: ...l service in accordance with the manufacturers instructions and BS 7593 It is only acceptable to not have undertaken this if the service engineers attendance visit was in between annual services to attend a non water facing component SERVICE INTERIM WORK ON BOILER delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO...

Страница 85: ...l service in accordance with the manufacturers instructions and BS 7593 It is only acceptable to not have undertaken this if the service engineers attendance visit was in between annual services to attend a non water facing component SERVICE INTERIM WORK ON BOILER delete as appropriate Date Engineer name Company name Telephone No Gas Safe registration No Max rate CO ppm CO CO CO Min rate CO ppm CO...

Страница 86: ... 86 NOTES ...

Страница 87: ......

Страница 88: ...Biasi UK Ltd Commercial Road Leamore Enterprise Park WALSALL WS2 7NQ Sales Tel 01922 714600 Tech Service Tel 01922 714636 www biasi co uk 1796234840 17962 3484 0 1622 88A5 UK 21 04 2022 N ...

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