Baxi Solo 2 50 RS Installation And Servicing Instructions Download

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BaxiSolo 2 PF

Wall Mounted Powered Flue

Gas Fired Central Heating Unit

Installation and
Servicing Instructions

Please leave these instructions with the user

Summary of Contents for Solo 2 50 RS

Page 1: ...BaxiSolo 2 PF Wall Mounted Powered Flue Gas Fired Central Heating Unit Installation and Servicing Instructions Please leave these instructions with the user ...

Page 2: ...to quality because as shareholders we know that satisfied customers mean continued success We hope you get a satisfactory service from Baxi If not please let us know Natural Gas Baxi Solo 2 30 PF G C No 41 077 71 Baxi Solo 2 40 PF G C No 41 077 72 Baxi Solo 2 50 PF G C No 41 077 73 Baxi Solo 2 60 PF G C No 41 077 74 Baxi Solo 2 70 PF G C No 41 075 01 Baxi Solo 2 80 PF G C No 41 077 75 Baxi is a BS...

Page 3: ...s 7 4 0 Site Requirement 10 5 0 Installation 13 6 0 Commissioning the Appliance 31 7 0 Fitting the Outercase 33 8 0 Overheat Cut Off Device 34 9 0 Annual Servicing 35 8 0 Changing Components 37 9 0 Short Parts List 41 10 0 Fault Finding 42 Section Page Contents ...

Page 4: ...irements of GAS SAFETY Installation and Use REGULATIONS the BUILDING REGULATIONS Scotland Consolidation the LOCAL BUILDING REGULATIONS the CURRENT I E E WIRING REGULATIONS and the bye laws of the Local Water Undertaking Where no specific instructions are given reference should be made to the relevant BRITISH STANDARD CODES OF PRACTICE 2 All systems must be thoroughly flushed and treated with inhib...

Page 5: ...3 1 04m3 h 1 39m3 h 1 74m3 h 2 08m3 h 2 78m3 h 2 78m3 h after 10 mins 36 86ft3 h 49 0ft3 h 61 3ft3 h 73 5ft3 h 98 1ft3 h 98 1ft3 h Lifting Weight kg 23 1 23 1 23 1 32 2 32 2 34 2 lbs 51 51 51 71 71 75 5 Water Content litres 1 1 1 1 1 1 1 6 1 6 1 3 pints 1 9 1 9 1 9 2 8 2 8 2 3 Outercase Height 600mm 600mm 600mm 600mm 600mm 600mm Dimensions Width 350mm 350mm 350mm 462mm 462mm 462mm Depth 287mm 287m...

Page 6: ...ints 60 70 and 80 PF models 287mm 300mm for servicing 5mm during operation 5mm 350mm 30 40 50 models 5mm 100mm 600mm 50mm 462mm 60 70 80 models 4 10 8 20 16 40 24 60 12 30 20 50 28 70 32 80 36 90 40 100 44 110 48 120 2 4 6 8 10121416182022 Water Flow Rate litres min Pressure Drop mbar in wg 242628 30 52 130 4 10 8 20 16 40 24 60 12 30 20 50 28 70 32 80 36 90 40 100 44 110 48 120 2 4 6 8 1012141618...

Page 7: ... Drain cocks should be fitted to all system low points All gas and water pipes and electrical wiring must be installed in a way which would not restrict the servicing of the boiler Position isolating valves as close to circulating pump as possible Treatment of Water Circulating Systems All recirculatory water systems will be subject to corrosion unless an appropriate water treatment is applied Thi...

Page 8: ...gas supplies to be isolated It is recommended that a label be affixed to the appliance to draw attention to the fact that the system has been drained 3 5 Low Head Installation For boilers up to 50 000 Btu h output 1 Using a close couple arrangement the minimum head is as shown in the diagrams Figs 5 6 subject to the following conditions a The correct heat input b The pump being adjusted to give an...

Page 9: ...ING POINT A filling point and an approved stop valve to BS 1010 must be fitted at low level and the method used for filling the system should be approved by the local water undertaking For further details see BS 6798 5 MAKE UP SYSTEM A method of replacing water lost from the system should be provided either by means of a make up vessel of not more than 3 litres 5 pints capacity mounted above the h...

Page 10: ...ctions such as joists running parallel to the front face of the appliance 3 If fitted inside a cupboard the clearance of 300mm shown is only necessary when the cupboard door is open A clearance of 5mm 3 16 in is required when the door is closed 4 3 Flue Position 1 For installations where the flue terminal is inaccesible from the outside an internal fitting kit is available This can be obtained fre...

Page 11: ...393 8 in and up to 2 metres 793 4 in 2 metre kit is not available for the 70 and 80 PF model 3 A vertical flue kit with flue breaker is also available as an optional extra Sol Ver Kit 4 Where it is intended to pass the flue through a combustible wall or timber framed dwelling reference should be made to British Gas publication DM2 5 If the flue is more than 1 8 metres 707 8 in long it is required ...

Page 12: ...91 2 The connection of the appliance is a RC1 2 1 2 in BSPT internal located at the rear of the gas cock 3 Ensure that the pipework from the meter to the appliance is of adequate size Do not use pipes of a smaller diameter than the appliance gas connection 4 7 Electrical Supply External wiring must be correctly earthed polarized and in accordance with CURRENT I E E WIRING REGULATIONS The mains sup...

Page 13: ...x to the back plate and release the latches Fig 14 5 Lift and remove the combustion box from the back plate Fig 15 Place the combustion box on its back IMPORTANT When installing a Solo 2 with a rear flue see section 5 2 before continuing the installation 6 Proceed to the relevant section for flueing the appliance either to the Rear Left Right or Vertically NOTE For Vertical flueing or flue lengths...

Page 14: ... pressure switch and fan Fig 17 Withdraw the fan assembly by pulling forwards from the top edge Fig 16 3 Take the sheetmetal restrictor supplied in the kit of parts check that the number stamped on the restrictor matches the appliance e g 50 stamped on the restrictor is for 50 PF appliance 4 Fit the restrictor to the fan outlet flange bending the 3 lugs equally over the flange to secure Fig 18 5 R...

Page 15: ...e the uppermost and lowest fixing hole positions otherwise space the fixing holes as far apart as possible Fig 20 5 4 Rear Flue 1 For installations where the flue terminal is inaccessible from the outside an internal fitting kit is available This can be obtained free of charge from your local merchant quoting Baxi Part No 226441 2 If using the internal fitting kit a 117mm 45 8 in diameter hole is ...

Page 16: ...n at each joint Fig 24 NOTE The seams of all three sections must be in line 4 Wall Thickness 100mm 280mm 4in 11in If the wall thickness is less than 280mm 11 in it will be necessary to cut the components of the air duct to the appropriate size Dispose of the centre section as this is not required Fig 25 5 Measure the wall thickness and subtract 30mm 13 16 in from this dimension Cut the remaining s...

Page 17: ...e Fig 29 4 Ensure all seams of the air duct sections are uppermost and that the O ring seal is in position against the sealing flange 5 Fit the air duct over the flue duct and draw towards the back plate ensuring that the flue duct locates into position in the terminal end of the air duct 6 Engage the bayonet slots of the air duct over the location lugs of the back plate opening and press and turn...

Page 18: ... wall and the air duct outside the building if the internal fitting kit has not been used Fig 32 4 The flue trim provided may be fitted if required to neaten up the make up around the terminal This plate may also be used as a protection plate on outside walls of combustible material 5 Fit the trim over the flue terminal and mark through the four securing holes Remove the trim drill holes 63mm 21 2...

Page 19: ... in line and make sure that the flat of the template is butted up against the corner of the wall Fig 36 8 If the appliance mounting wall is out of true use string or a straight edge to determine the true corner position and mark a vertical line to accommodate the flat edge of the template 9 Holding the template firmly mark the vertical centre line for the flue assembly by marking the point at the ...

Page 20: ...pen the air duct out to the length 30 40 50 PF R W 91mm 39 16 in 60 70 80 PF R W 147mm 53 4 in 8 Using the tape provided seal the joints of the three sections of the air duct ensuring an overlap of at least 30mm 1 3 16 in at each joint Fig 43 NOTE The seams of all three sections must be in line 9 If the wall thickness W plus the distance from the wall to the side of the boiler case R is less than ...

Page 21: ...i clockwise to release the bayonet fitting Fig 48 3 Locate the swaged end of the flue duct over the bayonet fitting on the turret taking care not to damage the O ring Lock the flue in place by pressing in and turning clockwise Fig 49 4 Ensure all seams of the air duct sections are uppermost and that the O ring seal is in position against the sealing flange 5 Fit the air duct over the flue duct and...

Page 22: ... air duct inside and outside the building if the internal fitting kit has not been used Fig 52 10 The flue trim provided may be fitted if required to neaten up the make up around the terminal This plate may also be used as a protection plate on outside walls of combustible material 11 Fit the trim over the flue terminal and mark through the four securing holes Remove the trim drill holes 63mm 21 2...

Page 23: ... assembly is level Fig 57 7 Draw the flue duct towards the back plate air box and locate the swaged end of the flue duct over the bayonet fitting on the turret taking care not to damage the O ring Lock the flue in place by pressing in and turning clockwise 8 Draw the air duct towards the air box on the back plate ensuring that the flue duct is located into position in the terminal end of the air d...

Page 24: ...below can be contacted for terminal sizes and guard model numbers Tower Flue Components Ltd Tower House Vale Rise Tonbridge Kent Tel 01732 351555 Quinnell Barrett Quinnell 884 Old Kent Road London SE15 1NL Tel 0171 639 1357 5 14 Fitting a Terminal Guard Fig 60 1 Position the guard over the terminal on the outside wall Ensure the guard is equally spaced about the terminal Mark the fixing positions ...

Page 25: ...er for the internal fitting kit The use of a core drill is recommended When using a core drill it is important to keep the drill level and square 3 Measure the wall thickness and from this dimension subtract 10mm 3 8 in Fig 61 4 Remove the wall liner from its packing and remove the end piece Fig 62 5 Mark off the dimension wall thickness 10mm 3 8 in measuring from the beaded end of the duct and cu...

Page 26: ... liner so that tags reveal marks Fig 65 8 Drill and plug the wall in these positions Fig 66 9 Rotate liner back until the tags align with the holes drilled and secure it to the wall using suitable screws Fig 67 10 Make good between the edge of the liner and the outside wall with cement mortar or a similar substance by reaching through the liner and pressing the mortar between liner and the outside...

Page 27: ...locate the rear bottom edge of the combustion box onto the self locating support at the base of the wall plate Fig 69 2 Swing the top of the combustion box backwards against the top air box Fig 70 3 Engage the two retaining latches and secure with the R clips previously removed Fig 71 Fig 70 Fig 69 Fig 71 ...

Page 28: ...UST be supplied via the same isolator NOTE Polarity of the appliance MUST be correct otherwise the appliance will not operate correctly or b r g y w br b gy bk w y y or bk y r y bk r b or or g w bk gy br b Pump N Main Gas Valve Pilot Gas Valve Fan Pressure Switch Thermostat Sensor Overheat Thermostat Control Potentiometer Switch Spark Electrode N N N External Controls S L L 230V L b r b or b br gy...

Page 29: ... The pump must be connected to the boiler terminals 5 A permanent live must be connected to the L terminal 6 The switched live must be connected to the S L terminal 7 Clamp the cables in the grips provided Ensure that the lengths of the supply cables are such that the current carrying wires become taut before the earth wires if the cable should pull out of the cable clamp Fig 73 8 Tuck the cables ...

Page 30: ...he vent as possible Fig 76 77 7 Connect the two electrical tags from the wiring harness to the terminals on the overheat thermostat Fig 77 either wire can be connected onto either terminal there is no polarity 5 20 Pipe Routes 1 Ensure that any pipework is routed so as to leave the boiler via the spaces at the rear of the outer case either at the top or at the bottom 2 Pipes may be dropped down wi...

Page 31: ...control knob fully anti clockwise to the OFF position marked 0 Fig 80 8 Ensure that the electricity supply is turned ON and set any external controls to the ON position 9 Turn the boiler thermostat knob fully clockwise 10 The fan will start running and after approximately 5 seconds the ignition spark will commence NOTE This may increase up to 1 minute in extremely cold weather 11 The sparking will...

Page 32: ...mer s specific requirements 8 The boiler is protected by an integral frost stat but if the boiler is not to be used for a long period of time the system should be drained NOTE The frost thermostat operates even if the boiler thermostat is in the OFF position and it is necessary therefore if the system is drained for the external electrical and gas supplies to be isolated It is recommended that a l...

Page 33: ...aining clips and fixing screws Fig 83 4 Offer the outer case up to the hooks on the top of the back plate Fig 85 5 Ensure that the outer case is located over the lower tabs on the back plate on both sides Fig 86 6 Using the two screws previously removed secure the outer case to the combustion box Fig 84 7 Replace the lower front door panel 8 Instruct the user in the operation of the boiler control...

Page 34: ...he boiler Turn the boiler thermostat control knob fully anti clockwise to the OFF position marked 0 Fig 88 Wait ten seconds turn the control knob clockwise to the required thermostat setting the red neon goes out the boiler will start automatically 4 No adjustment to the gas controls or main thermostat are required 5 If the overheat thermostat drops out repeatedly refer to the fault finding chart ...

Page 35: ...supply to the boiler 4 Remove the outer case lower door panel by following the sequence of diagrams Fig 89 5 Remove the outer case from the boiler by unscrewing the two screws and lift the case clear Fig 90 6 Release the four latches holding the combustion box door Fig 91 Remove the combustion box door by pulling forward from the bottom and unhooking its top edge Fig 93 7 Release the 5 pin electri...

Page 36: ...lectrode Fig 96 2 Unscrew the electrode from the manifold and withdraw the electrode Fig 96 3 Remove the right hand side insulation carrier bracket by releasing the screw Remove the side insulation Fig 94 4 Release the screw securing the pilot hood and remove Fig 96a 5 Carefully remove the pilot injector Fig 96a Examine and clean it as necessary Do not use a wire or pin to clean the injector orifi...

Page 37: ...s box Fig 100 3 Release the mains cables from the cable clamps and unplug the mains connection blocks from the circuit board Fig 101 4 Remove the screw retaining the thermostat control panel and slide the circuit board from the box 5 Carefully withdraw the centre pin from the retaining rivet which then allows the retaining rivet to be removed Remove the thermostat control panel Fig 102 On reassemb...

Page 38: ...wo electrical tags from the sensor 2 Unscrew the sensor from the top flow water connection 3 Screw in the new sensor with the plastic shroud in place as a cover guard Make sure that the sensor is fully tightened into the top flow water connection and connect the two electrical tags either wire can be connected onto either connection there is no polarity 10 6 Over Heat Thermostat Figs 106 107 1 Dis...

Page 39: ...sensing probe Remove the 3 screws securing the fan to the fan hood 3 Remove the two screws securing the fan outlet flange to the fan and remove Clean all sealing mastic from the outlet flange 4 Fit the outlet flange onto the new fan fix with the 2 screws and seal the outside gap between the fan body and the outlet fan with the mastic provided 5 Fit the new fan and re assemble all components in rev...

Page 40: ...e new pilot injector ensuring the new sealing washer is in position Tighten the injector fully 3 Re assemble all components in reverse order 10 13 Gas Manifold Fig 116 1 Remove the right hand side insulation carrier bracket by releasing the screw Remove the side insulation panel Fig 113 2 Remove the two screws securing the manifold from the inside of the combustion box and slide the manifold forwa...

Page 41: ...9 230653 24 Insulation L H All models 364 890 230652 26 Retaining Brackets All models 364 891 230817 61 Control Valve All models 379 202 231857 77 Overheat Thermostat All models E03 921 241792 66a Fuse All models 364 892 231402 48 Fan 30 40 50 60 229421 80 up to serial no 8999 364 979 229422 after serial no 9000 170 615 237578 70 from serial no 00001 170 615 237578 73 Thermostat Sensor All models ...

Page 42: ...pipes for leaking or blockage Note Under cold conditions fan run up time may exceed 1 min Ensure external controls are calling for heat Does pump run Is Pilot On light on Is lockout light on Is Boiler On light on Is there mains voltage at P L input Is there mains at the fan connection Is there continuity across the overheat thermostat YES NO YES YES YES YES YES NO YES YES NO NO NO NO NO YES YES YE...

Page 43: ... YES YES Check pilot hood position and pilot air flow Check continuity across mains solenoid 5 K OHM Change gas valve NO Change PCB YES Testing Potentiometer Three Pin Connector Set multimeter to the 2 M OHM scale Turn potentiometer to the OFF position connect the multimeter leads to the blue red wire and centre black yellow wire of three pin connector The reading on the multimeter should indicate...

Page 44: ...ad Bamber Bridge Preston Lancashire PR5 6SN www baxiheating co uk The Baxi Helplines For General Enquiries 44 0 1772 695555 For After Sales Service 44 0 1772 695505 For Technical Enquiries 44 0 1772 695504 Comp No 230988 Issue 22 11 98 ...

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