Potterton Performa 24, Installation And Servicing Instructions

Page 1: ...Installation and Servicing Instructions Performa 24 Gas Fired Wall Mounted Combination Boiler Please leave these instructions with the user ...

Page 2: ...which will help you to run your boiler correctly and efficiently Do not leave any parts of the packaging plastic bags polystyrene etc within children s reach as they are a potential source of danger POTTERTON attests that these models of boiler bear the CE mark in compliance with the basic requirements as laid down in the following Directives Gas Directive 90 396 CEE Performance Directive 92 42 CE...

Page 3: ...rior to installation 8 The template to fix the boiler on the wall 10 Boiler size 10 Installation of flue and air ducts 11 Connecting the mains supply 16 Fitting a room thermostat 16 Connecting a programming clock 16 Gas change 17 Control operation devices 20 Positioning of the ignition and flame sensing electrode 22 Electronic board calibration 22 Check of combustion parameters 22 Output pump head...

Page 4: ...may come off during operation of the boiler and obstruct the flue duct thus engendering dangerous situations Instructions prior to commissioning Initial lighting of the boiler must be carried out by a licensed technician Ensure the following operations are carried out a compliance of boiler parameters with electricity water gas supply systems settings b compliance of installation with the laws and...

Page 5: ...ature values turn the control clockwise and anticlockwise to decrease it Electronic modulation of the flame will enable the boiler to reach the set temperature by adapting the gas supply to the burner to the actual heat exchange demand DHW temperature adjustment The gas valve is provided with an electronic flame modulating function which operates depending on the DHW temperature adjusting control ...

Page 6: ...cking or the pump is blocked Turning off the boiler To turn off the boiler turn the selector switch 1 on 0 you will thus isolate the electrical supply to the boiler Prolonged standstill of the system Frost protection central heating system We recommend you avoid draining the whole system as water replacements engender purposeless and harmful limestone deposits inside the boiler and on the heating ...

Page 7: ...servicing will ensure economical operation of the system Do not clean the outer casing of the appliance with abrasive aggressive and or easily flammable cleaners i e gasoline alcohol and so on Always isolate the electrical supply to the appliance before cleaning it see section Turning off the boiler on page 6 Trouble Gas block No draught No water in the heating circuit or pump jammed Probe broken ...

Page 8: ...styrene etc within children s reach as they are a potential source of danger Initial lighting of the boiler must be effected by a Qualified Service Engineer Failure to observe the above will render the guarantee null and void Instructions prior to installation This boiler is designed to heat water at a lower than boiling temperature at atmospheric pressure The boiler must be connected to a central...

Page 9: ...to eliminate residual thread cutting swarf solder and solvents if any using suitable proprietary products 2 2 existing system Before proceeding with installation of the boiler the system must be cleaned and flushed out to remove sludge and contaminants using suitable proprietary products To avoid damaging metal plastic and rubber parts use only neutral cleaners i e non acid and non alkaline e g SE...

Page 10: ...e either installing the boiler on a pre existent system or substituting it we suggest you also fit settling tanks on the system return pipework and under the boiler to collect the deposits and scaling which may remain and be circulated in the system after the purge When the boiler is fixed on the template connect the flue and air ducts fittings supplied by the manufacturer according to the instruc...

Page 11: ...es and to draw combustion air both outside the building and in case a LAS flue is fitted The 90 coaxial bend allows to connect the boiler to a flue air duct in any direction as it can rotate by 360 It can moreover be used as a supplementary bend and be coupled with a coaxial duct or a 45 bend The restrictor must be removed in case the flue duct length exceeds 1 5 m If the flue outlet is placed out...

Page 12: ...12 Horizontal flue terminal installation options L max 5 m L max 5 m L max 4 m L max 4 m L max 5 m LAS flue duct installation options 0209_3018 0209_3017 0010171500 ...

Page 13: ...h into single flue ducts Comburant air may be drawn in at a different site from where the flue terminal is located The splitting kit consists of a flue duct adaptor 100 80 and of an air duct adaptor the latter may be placed either on the left or on the right of the flue terminal according to installation requirements For the air duct adaptor fit the screws and seals previously removed from the cap...

Page 14: ... the event of installation of the condensate collection kit the angle of the drain duct must be directed towards the boiler L max 10 m NB For C52 types terminal for combustion air suction and combustion product extraction must never be fitted on walls opposite the building The maximum length of the suction duct must be 10 metres If the flue duct exceeds 6 m the condensate collection kit supplied a...

Page 15: ...which may be mounted on the left or right of the flue duct can be rotated to adjust excess air according to the total length of the flue and intake ducts for the combus tion air Turn this control clockwise to decrease excess combustion air and anti clockwise to increase it To improve optimisation a combustion product analyser can be used to measure the CO2 contents of the flue at maxi mum heat out...

Page 16: ... Fi gure 8 A 2A fast blowing fuse is in corporated in the power supply terminal block to check or replace the fuse pull out the black fuse carrier L Live brown N Neutral blue Ground yellow green 1 2 room thermostat terminal Figure 8 0010172100 Fitting a room thermostat gain access to the power supply terminal block Figu re 9 as described in the previous section remove the jumper placed on terminal...

Page 17: ...ol board cover and hinge it upward set the jumper or the switch according to the type of gas used as described in the chapter on page 21 C Pressure adjusting device setting connect the positive pressure test point of a differential possibly water operated manometer to the gas valve pressure test point Pb Figure 10 connect for sealed chamber models only the negative pressure test point of the manom...

Page 18: ...the pressure settings shown at table 1 check that boiler feeding dynamic pressure as measured at the inlet gas valve pressure test point Pa Figure 10 is correct 30 mbar for G 30 37 mbar for G 31 20 mbar for natural gas C2 Adjustment to reduced heat output detach the modulator feeding cable and unscrew the B Fig 11 screw to reach the pressure setting corresponding to reduced heat output see table 1...

Page 19: ...19 001121_1300 ...

Page 20: ...ctive the boiler will remain on standby and LED 3 will flash at high frequency The fan s electric power supply is cut off if the air pressure switch fails to provide a signal within a time of 10 minutes Momentarily move the selector 1 onto 0 to restore operation Safety thermostat This device which is connected to a sensor on the central heating delivery line cuts off the flow of gas to the burner ...

Page 21: ...ad is as required and protects the flue water exchanger from possible lacks of water or blockings of the pump LED 3 flashes slowly Hydraulic safety valve heating circuit This device is set to 3 bar and is used for the heating circuit The safety valve should be connected to a siphoned drain Use a a means of draining the heating circuit is strictly prohibited ...

Page 22: ... circulation in case of coaxial ducts The exhaust flue duct test point allows measurements of the following combustion products temperature concentration of oxygen O2 or alternatively of carbon dioxyde CO2 concentration of carbon monoxyde CO The comburant air temperature must be measured at the test point connected to the air inlet duct 9912070100 Electronic board calibration When the jumper or th...

Page 23: ...ipped with the appropriate taps supplied on demand placed on the hot water outlet and inlet To carry out the purge it is necessary to close the cold water inlet drain the DHW system from the water contained therein by means of a hot water tap close the DHW outlet unscrew the two stop cocks caps remove the filters In case the appropriate tap is not supplied it is necessary to disassemble the DHW he...

Page 24: ...e the two screws right in front of you securing the DHW heat exchanger and pull it off its seat Figure 14 Cleaning the cold water filter The boiler is equipped with acold water filters placed on the hydraulic assembly To clean it do the following drain the DHW system from water unscrew the nut on the flow sensing assembly Figure 14 pull out the flow sensing device and its filter remove the impurit...

Page 25: ...8 pressure relief valve 19 DHW flow priority microswitch 20 hydraulic differential pressure sensor microswitch 21 pump and air separator 22 automatic air vent 23 DHW NTC sensor 24 overheat thermostat 25 expansion vessel 26 gas valve 27 burner injector 28 main burner 29 ignition electrode 30 flame sensing electrode 31 flue water exchanger 32 flue hood 33 fan 34 air pressure switch 35 positive press...

Page 26: ...GPL Gas change connector CABLES COLOURS C light blue M brown N black R red G V yellow green GR grey G yellow B white 0401_0916 FAN IGNITION ELECTRODE GAS VALVE S W RESET SELECTOR PUMP FUSE FEEDING POWER GRID ROOM THERMOSTAT 230 V 230 V DOMESTIC WATER PRIORITY MICRO HIDRAULIC DIFFERENTIAL PRESSURE MICROSWITCH SAFETY THERMOSTAT NTC SENSOR FLUE PRESSURE SWITCH FLAME DETECTION ELECTRODE ...

Page 27: ...27 0210_0101 Technical data PERFORMA 24 ...

Page 28: ...N 50165 EN 60529 EN 61000 EN 55014 POTTERTON also declares that this appliance is tested in heating and sanitary mode working with gas with a pressure of 12 bar on the hydraulic sanitary circuit with a pressure of 4 5 bar on the hydraulic heating circuit with an electrical safety control in compliance to the European Standards EN 60 335 1 0209_3008 POTTERTON POTTERTON ...

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Page 32: ...Ediz 1 03 04 Potterton Baxi UK Limited Brownedge Road Bamber Bridge Preston Lancashire PR5 6SN After Sales Service 08706 096 096 Technical Enquiries 08706 049 049 www baxi com 923 345 1 ...