Baxi Solo 2 30 PF Installation And Servicing Instructions
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Baxi Solo 2 30 PF Installation And Servicing Instructions

Baxi Solo 2 30 PF Installation And Servicing Instructions

Wall mounted powered flue gas fired central heating unit
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BaxiSolo 2 PF
Wall Mounted Powered Flue
Gas Fired Central Heating Unit
Servicing Instructions
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  • Page 1 Please leave these instructions with the user BaxiSolo 2 PF Wall Mounted Powered Flue Gas Fired Central Heating Unit Installation and Servicing Instructions...
  • Page 2 Type test for purpose of Regulation 5 certified by: mean continued success. Notified Body 0086. We hope you get a satisfactory service from Baxi. If Product/Production certified by: Notified Body 0086. not, please let us know.

  • Page 3: Table Of Contents

    Contents Section Page Introduction Technical Data System Details Site Requirement Installation Commissioning the Appliance Fitting the Outercase Overheat Cut-Off Device Annual Servicing Changing Components Short Parts List 10.0 Fault Finding...

  • Page 4: Introduction

    1.0 Introduction Description 1. The Baxi Solo 2 PF is a gas fired room sealed fan assisted central heating boiler with range rated outputs as shown in the table below HEAT OUTPUT Model 5.86kW (20,000 Btu/h) 8.79kW (30,000 Btu/h) 9.09kW (31,000 Btu/h) 11.72kW (40,000 Btu/h)

  • Page 5: Technical Data

    2.0 Technical Data Model Heat Output (Max) 11.72 14.65 17.58 20.5 23.45 Btu/h 30,000 40,000 50,000 60,000 70,000 80,000 Heat Output (Min) 5.86 9.09 12.02 14.95 17.88 20.8 Btu/h 20,000 31,000 41,000 51,000 61,000 71,000 Heat Input (Max) 10.99 14.65 18.32 21.98 25.64...
  • Page 6 2.0 Technical Data Hydraulic Resistance Charts (52) 130 (52) 130 (48) 120 (48) 120 (44) 110 (44) 110 (40) 100 (40) 100 (36) 90 (36) 90 (32) 80 (32) 80 (28) 70 (28) 70 (24) 60 (24) 60 (20) 50 (20) 50 (16) 40 (16) 40...

  • Page 7: System Details

    • For information or advice regarding any of the Arrangement of 22mm pipe, for 60/70/80 PF a minimum above contact the Baxi Helpline. of 8 metres of 28mm pipe (measured between the boiler flow and return connections). It should be fitted with a lock...
  • Page 8 3.0 System Details Pipework 22mm 1. The sizes of flow and return pipes from the Open Vent boiler should be determined by normal methods, 45° according to the requirements of the system. 2. An 11 °C (20°F) drop in temperature across the 1000mm 15mm system is recommended.
  • Page 9 BS 5449 and the British Gas Method of determining minimum publication entitled 'Specifications for Domestic value of expansion vessel volume for sealed systems using Baxi Boilers Wet Central Heating Systems'. Multiply Total 4. FILLING POINT - A filling point and an...

  • Page 10: Site Requirement

    4.0 Site Requirements Location 1. The appliance may be fitted to any suitable wall with the flue passing through an outside wall and discharging to atmosphere in a position permitting satisfactory removal of combustion products and providing an adequate air supply (Fig. 9). The appliance should be fitted within the building unless otherwise protected by a suitable enclosure ie.
  • Page 11 WARNING - The addition of anything that may interfere with the normal operation of the appliance (e.g. FLUE DAMPERS, ECONOMISERS,etc.) without the express written permission of Baxi Heating Ltd could invalidate the appliance warranty and infringe the GAS SAFETY (Installation and Use) REGULATIONS.
  • Page 12 4.0 Site Requirements Ventilation of Compartments 1. Where the appliance is installed in a cupboard or compartment, no air vents are required. NOTE: The ventilation label on the front of the outer case MUST NOT BE REMOVED when the appliance is installed in a compartment or cupboard.

  • Page 13: Installation

    5.0 Installation Initial Preparation 1. Unpack contents of carton. 2. Remove the lower door panel from the outer case. Remove the 2 screws holding the outer case to the combustion box. 3. Place the ready assembled outer case in a safe place until required.
  • Page 14 5.0 Installation Fan Outlet Restrictor (30, 40, 50, 60, 70 and 80) Rear Flue only up to 686mm (27 in) 1. Release the four latches holding the combustion box door (Fig 16a). Remove the combustion box door by pulling forward from the Fig.
  • Page 15 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 N 226441. Fig. 20 2. If using the internal fitting kit a 117mm in) diameter hole is required.
  • Page 16 5.0 Installation Rear Flue Preparation 1. Measure the wall thickness (Fig. 22) and to this dimension add 60mm (2 in). Wall Thickness 2. Take the flue duct and mark off wall thickness + 60mm (2 in) from the swaged end of the duct and cut to size (Fig.
  • Page 17 5.0 Installation Rear Air Box Blanking Plate Assembly of Rear Flue 1. Remove the rear air box blanking plate from the back plate by releasing the three screws (Fig. 27). Fig. 27 2. Remove the blanking cap at the rear of the turret, by pushing and turning anti-clockwise to release the bayonet fitting (Fig.
  • Page 18 5.0 Installation Fitting the Back Plate 1. Engage the assembly into the hole previously cut in the wall and slide in place (Fig. 31). 2. Secure the assembly to the wall at the previously drilled anchorage points with suitable screws (Fig. 31). Before finally tightening the screws, check that the assembly is level.
  • Page 19 5.0 Installation Left or Right Flue NOTE: If the flue terminal is inaccessible from outside the building, it is necessary to fix the internal fitting kit in position before continuing with the installation. (See section 5.15 Internal Fitting Kit of these instructions). 1.
  • Page 20 5.0 Installation Side Flue Preparation 1. For both Left and Right Hand Flue - Measure the distance from the wall to the nearest line marked from the template. This will be known as distance R (Fig. 40). Fig. 40 2. Measure the thickness of the wall from the inside.
  • Page 21 5.0 Installation Air Box Blanking Plate 5.10 Fitting the Flue and Back Plate 1. NOTE: There are two options for fitting the flue and back plate they are: Method A - Fitting the flue and back plate as an assembly (usually used where there are no side Fig.
  • Page 22 5.0 Installation 5.11 Method A (Cont) 7. Engage the assembly into the hole previously cut in the wall and slide into place. 8. Secure the assembly to the wall at the previously drilled anchorage points with suitable screws. Before finally tightening the screws, check that the assembly is level (Fig.
  • Page 23 5.0 Installation Air Box Blanking Plate 5.12 Method B 1. Remove the left or right hand air box blanking plate, as appropriate, from the back plate air box by releasing the three screws (Fig. 54). 2. Rotate the turret to face the selected opening Fig.
  • Page 24 5.0 Installation 5.13 Terminal Guard 1. When codes of practice dictate the use of terminal guards, they can be obtained from most plumbers and builders merchants nationwide. 2. When ordering a terminal guard, quote the appliance model number. 3. The guard manufacturers listed below can be contacted for terminal sizes and guard model numbers.
  • Page 25 5.0 Installation 5.15 Internal Fitting Kit 1. The internal fitting kit (available from merchants free of charge quoting Baxi Part Wall Thickness . 226441) is suitable for walls between 100mm (4in) and 280mm (11in) in thickness. 2. TO INSTALL THE KIT - Mark the flue hole centre as described in section 5.4 or 5.8.
  • Page 26 5.0 Installation 5.15 Internal Fitting Kit (Cont) 6. Refit the end piece to the liner and open out to Fig. 64 the thickness of the wall. Seal the two pieces together using the tape provided with the kit (Fig 64). 7.
  • Page 27 5.0 Installation 5.16 Fitting the Combustion Box 1. Offer up the combustion box to the back plate and locate the rear bottom edge of the combustion box onto the self locating support at the base of the wall plate (Fig. 69). 2.
  • Page 28 5.0 Installation 5.17 Electrical Connections Pressure Switch Gas Valve Spark Electrode Overheat Thermostat Control Potentiometer br - brown b - blue or/bk Thermostat Sensor & Switch r - red w - white bk - black or - orange gy - grey y - yellow g - green g/y - green &...
  • Page 29 5.0 Installation 5.18 Making the Electrical Connections 1. Remove the cover from the control box by removing the 2 screws (Fig. 72). 2. Slide the box forward for easier access. 3. The terminal strips may be removed by carefully pulling them forward. Connect the supply cable and the pump cable to the terminal strips (Fig.
  • Page 30 5.0 Installation 5.19 Water Connections 1. The boiler has two side water connections, the top connection being FLOW and the bottom connection being RETURN (Fig. 75). 2. It is essential that FLOW and RETURN pipes are connected to the correct fittings. 3.

  • Page 31: Commissioning The Appliance

    6.0 Commissioning the Appliance Commissioning the Appliance 1. Flush the whole system in accordance with BS 5793:1992 (see Section 3.1 Water Circulating Systems). Check for water leaks. 2. Purge away air from the supply pipe at the gas service cock. (BS 6891: 1988) (Fig. 79). 3.
  • Page 32 6.0 Commissioning the Appliance Input Setting Pressure Model Btu/h mbar in wg Commissioning the Appliance (Cont) 16.0 + 0.5 6.4 + 0.2 Maximum 10.99 37, 500 8.0 + 0.5 3.2 + 0.2 Minimum 7.33 25, 000 1. From the table opposite check that the main 16.0 + 0.5 6.4 + 0.2 Maximum...

  • Page 33: Fitting The Outercase

    7.0 Fitting the Outercase Fitting the Outercase 1. The warning label may be removed unless the boiler is to be fitted within a cupboard. 2. Taking the ready assembled outercase, the front door of which has already been removed, Infill Panel Fig.

  • Page 34: Overheat Cut-Off Device

    8.0 Overheat Cut-off Device Operation 1. The overheat cut-off device is of the manual reset type and therefore it is important that the user knows how to reset the control should it ever cut out. NOTE: Cut-out is indicated by illumination of the neon light on the control box.

  • Page 35: Annual Servicing

    9.0 Annual Servicing Dismantling the Boiler 1. To ensure its continued safe and efficient operation, it is important that the appliance is regularly serviced. ( For location of British Gas service test point see Changing Components section of these instructions). 2.
  • Page 36 9.0 Annual Servicing Cleaning the Combustion Box Baffles - 30, 40, 50, 60, 70 models 1. Remove the burner assembly by pulling it forward (Fig. 94). 2. Lightly brush any dirt from the top of the burner blades and ensure that the ports are free from obstruction.

  • Page 37: Changing Components

    10.0 Changing Components 10.1 Changing Components 1. When changing components ensure that the gas and electrical supplies are isolated before the work is started. 2. Before changing any components please read Section 1.3 Important Information. 3. Remove the outer case lower door panel Fig.
  • Page 38 10.0 Changing Components 10.3 Ignition Electrode (Fig. 104) 1. Disconnect the spark electrode lead at the electrode. 2. Unscrew the electrode from the manifold and withdraw the electrode. 3. Replace the new electrode in reverse order, ensuring that the sleeving is pushed over the end of the electrode.
  • Page 39 8999 use replacement fan Baxi Part N 229422 G.C.N 364 979. From serial n 9000 use replacement fan Baxi Fig. 110 Part N 237578 G.C.No 170 615. 1. Disconnect sensing probe from the pressure switch at rubber tube connector.
  • Page 40 10.0 Changing Components 10.10 Burner (Fig. 113) 1. Remove the burner assembly by pulling it forward. 2. Fit new burner and re-assemble all components in reverse order of dismantling. 10.11 Burner Injector (Fig. 114) 1. Release and remove the burner injector which is screwed into the burner feed manifold.

  • Page 41: Short Parts List

    1.0 Introduction 11.0 Short parts list 11.1 Short Parts List Description Model G.C. Manuf'rs Part N Burner 30-40-50 364 878 231708 60-70-80 364 879 231709 Burner Injector 364 880 231354 364 881 231355 364 882 228104 364 873 231776 E01 623 239619 364 981 231777...

  • Page 42: Fault Finding

    12.0 Fault Finding Before starting FAULT FINDING carry out preliminary electrical system checks i.e. Earth Continuity, Polarity, Short Circuit and Resistance to Earth. START there a clear Does pump run ? constant spark at Does fan run ? the electrode ? Ensure external controls are calling for heat...
  • Page 43 12.0 Fault Finding Does Does Does the boiler shut Does down when the water the pilot burner the main burner pump run flow reaches light ? light ? on ? 80-84 Boiler satisfactory Check there is 20mbar gas pressure at the inlet to gas valve "Burner On"...
  • Page 44 Comp N 230988 - Issue 22 - 11/98 The Baxi Helplines For General Enquiries +44 (0)1772 6 9 5 5 5 5 For After Sales Service +44 (0)1772 6 9 5 5 0 5 For Technical Enquiries +44 (0)1772 6 9 5 5 0 4...

This manual is also suitable for:

Solo 2 40 pfSolo 2 70 pfSolo 2 80 pfSolo 2 50 rsSolo 2 60 rs

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