Baxi Solo HE Installation & Service Instructions Manual
Wall mounted powered flue condensing boilers gas fired central heating units
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- Operating instructions manual (12 pages) ,
- User's operating instructions & important warranty information (12 pages)
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Summary of Contents for Baxi Solo HE
- Page 1 Installation & Servicing Instructions Solo HE Range Wall Mounted Powered Flue Condensing Boilers Gas Fired Central Heating Units These instructions include the Benchmark Commissioning Checklist and should be left with the user for safe keeping. © Baxi Heating UK Ltd 2012...
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Page 2: Natural Gas
The flowchart opposite gives guidance for installers on the © Baxi Heating UK Ltd 2012 All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, or stored in any... -
Page 3: Installer Notification Guidelines
Benchmark Checklist ‘Gas Safe Register’ will issue a LABC will record the data Building Regulations Compliance and will issue a Certificate to the property owner certificate of compliance and inform the relevant LABC © Baxi Heating UK Ltd 2012... - Page 4 BS EN 14336 Installation & commissioning of water based heating systems. BS 7074 Expansion vessels and ancillary equipment for sealed water systems. BS 7593 Treatment of water in domestic hot water central heating systems. © Baxi Heating UK Ltd 2012...
- Page 5 If at any time when installing the boiler you feel that you may have injured yourself STOP !! DO NOT ‘work through’ the pain - you may cause further injury. IF IN ANY DOUBT DO NOT HANDLE OR LIFT THE BOILER - OBTAIN ADVICE OR ASSISTANCE BEFORE PROCEEDING !! © Baxi Heating UK Ltd 2012...
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Page 6: Table Of Contents
Changing Components 16.0 Short Parts List 17.0 Fault Finding Benchmark Checklist Contents of Pack The pack contains:- • Boiler • Wall Plate • Template & ‘Quick Fit’ Guide • Literature Pack • Fittings Pack © Baxi Heating UK Ltd 2012... -
Page 7: Introduction
Description 1. The Baxi Solo HE range are gas fired room sealed fan assisted condensing central heating boilers. 2. The maximum outputs of the Baxi Solo models are:- 12 HE - 11.82 kW (Non Condensing) 12.81 kW (Condensing) 15 HE - 15.24 kW (Non Condensing) -
Page 8: General Layout
Gas Tap Gas / Air Ratio Valve Flow Pipe Connection Return Pipe Connection Flow Temperature Safety Thermostat - Black Flow Temperature Thermistor - Red Flow Switch (dry fire protection) Fig. 3 Fig. 4 Fig. 6 © Baxi Heating UK Ltd 2012... -
Page 9: Appliance Operation
? 9. Ignition Lockout: The pump, fan, spark generator and gas valve are off. The boiler can only be reset by manually using the reset button. 1 minute Pump Overrun. 3 minute Anti-cycle. © Baxi Heating UK Ltd 2012... -
Page 10: Technical Data
This value is used in the UK Government’s Standard Assessment Procedure (SAP) for energy rating of dwellings. The test data from which it has been Water Flow Rate (litres/min) calculated has been certified by 0086. © Baxi Heating UK Ltd 2012... -
Page 11: Dimensions And Fixings
27.5mm to incorporate the 1.5° fall in the flue from the terminal to the elbow. Flue length (Y) Clearance (X) up to 1m 27.5mm 1m - 2m 55mm 2m - 3m 82.5mm Fig. 8 © Baxi Heating UK Ltd 2012... -
Page 12: System Details
• It is important to check the inhibitor concentration after installation, system modification and at every service in accordance with the manufacturer’s instructions. (Test kits are available from inhibitor stockists.) • For information or advice regarding any of the above contact Technical Enquiries. © Baxi Heating UK Ltd 2012... - Page 13 (e.g. the system is not prone to pumping over, air entrainment etc.) the pump may be 22mm fitted on the primary return pipe. 200mm Feed & Vent Pipe Separator Boiler Pump Flow Return Fig. 12 Alternative Low Head Installation © Baxi Heating UK Ltd 2012...
- Page 14 Pump must be run from Boiler P/F connection for Part L1 compliance By-pass not permitted (must be valved off) for Part L1 compliance By-pass not permitted (must be valved off) for Part L1 compliance © Baxi Heating UK Ltd 2012...
- Page 15 All components Valve Valve Valve used in the system must be suitable for operation at 110°C (230°F) and at the pressure allowed by the safety valve. Temporary Hose Return Fig. 14 © Baxi Heating UK Ltd 2012...
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Page 16: Site Requirements
3. Any compartment should be large enough to house the boiler only. 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. © Baxi Heating UK Ltd 2012... - Page 17 3mm in all poles and servicing the boiler and system controls only. WARNING: The PCB Control and Fan Assembly are 325 Vdc. Isolate at supply before access. 285mm In Operation Fig. 16 © Baxi Heating UK Ltd 2012...
- Page 18 *It is NOT RECOMMENDED to connect upstream of the sink or other waste water receptacle ! © Baxi Heating UK Ltd 2012...
- Page 19 45° iv) Termination to a purpose made soakaway Further specific requirements for soakaway Boiler design are referred to in BS 6798. 500mm min Holes in the soak-away must face away from the building © Baxi Heating UK Ltd 2012...
- Page 20 Boiler External runs & those in unheated locations still require insulation. Condensate Pump Pipe must terminate above water level but below surrounding surface. Cut end at 45° © Baxi Heating UK Ltd 2012...
- Page 21 6. * Reduction to the boundary is possible down to 25mm but the flue deflector kit (part no. 248167) must be fitted. 7. If required a suitable terminal guard is available from Baxi for use with the flue deflector. NOTE: The distance from a fanned draught appliance terminal installed parallel to a boundary may not be less than 300mm in 8.
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Page 22: Flue Options
NOTE: Horizontal flue pipes should always be installed with a 1.5° fall from the terminal to allow condensate to run back to the boiler. This bend is equivalent to 0.5 metre This bend is equivalent to 0.5 metre Total equivalent length (up to 4m) = A+B+2x45°Bends © Baxi Heating UK Ltd 2012... - Page 23 This bend is equivalent to Equivalent Length Air Duct = 17.2m 1 metre FLUE DUCT Equivalent Sub total Length Value fittings/pipes 1m extension 10.0m 135°bend 5.2m 2.6m 91.5°bend 19.2m 9.6m Equivalent Length Flue Duct = 34.4m © Baxi Heating UK Ltd 2012...
- Page 24 Vertical Flue Boiler Adaptor Kit 242757 Pipe Support (pair) 80mm 5111081 FLUE GROUP B,P Vertical Flue Kits Vertical Flue Terminal 242802 Pitched Roof Flashing 25°/50° 243015 Roof Cover Plate 243131 Flat Roof Flashing 243016BAX © Baxi Heating UK Ltd 2012...
- Page 25 Discard the plate. 2. Fix both the air and flue adaptors with their gaskets onto the boiler top panel. Secure with screws. For Twin Flues Air Duct Adaptor Flue Duct Adaptor Gasket Gasket © Baxi Heating UK Ltd 2012...
- Page 26 Flue Deflector (Fig. 18a) 1. If required, push the flue deflector over the terminal end and rotate to the optimum angle for deflecting plume. Fig. 19 Secure the deflector to the terminal with screws provided. © Baxi Heating UK Ltd 2012...
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Page 27: Plume Displacement
Installation & Outlet Connection Servicing Instructions and BS5440 Pt. 1. It is NOT upwards necessary to fit a terminal guard over the air inlet or the plume outlet. Fig. B © Baxi Heating UK Ltd 2012... - Page 28 Additional Accessories that the concentric flue could be up to approximately 3.25 A - 93° Elbow 5121373 metres long. B - 45° Elbow (Pair) 5121374 C - 1 metre 70Ø Extension 5121372 Fig. D © Baxi Heating UK Ltd 2012...
- Page 29 Fit the 93° elbow and plume outlet. Ensure the plume outlet is at least 45° to the wall and that the ‘peak’ is uppermost. 15. Continue with installation and commissioning of the boiler. © Baxi Heating UK Ltd 2012...
- Page 30 18. When the plume outlet is positioned under a balcony or other projection (Figs. I & J) it must protrude at least Fig. H 200mm (it is not necessary to extend it further than this). 200mm Min. Fig. I 200mm Min. Fig. J © Baxi Heating UK Ltd 2012...
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Page 31: Installation
8. Loosely route the condensate discharge pipe to the for every additional metre to maintain approx 1.5° inclination. lower left hand side of the wall plate. Fig. 21 Relief Holes Wall Plate Fig. 22 © Baxi Heating UK Ltd 2012... - Page 32 1. Remove the outer carton and packaging. 2. Lift the outercase upwards and remove. 3. Remove the internal packaging. Fig. 22a Lower Door Panel Outercase Break Off Upper & Lower Pipe Run Options Fig. 23 © Baxi Heating UK Ltd 2012...
- Page 33 - Carefully pour approximately 1 cupful (250ml) of water into the flue products exhaust, at the top of the heat exchanger (Fig. 25a) to ensure a seal is made in the trap. © Baxi Heating UK Ltd 2012...
- Page 34 Deburr both tube ends. IMPORTANT: Check all measurements before cutting. NOTE: When cutting ensure the cut does not interfere with the inner flue support bracket Fig. 27a (Fig. 27a). © Baxi Heating UK Ltd 2012...
- Page 35 13. If necessary fit a terminal guard (see Section 8.8). VERTICAL FLUEING Apply Lubricant for ease of assembly. Ensure Flue is fully 1. Only a flue approved with the Baxi Solo HE range engaged into Flue Elbow can be used.
- Page 36 WARNING: This appliance must be earthed 1. The electrical connections are on the right hand side of the unit. 2. The Baxi Solo 30 HE is factory set to give a maximum output of 22.0 kW. The Control PCB jumper positions are...
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Page 37: Electrical
Trap Key To Wiring Colours b - Blue r - Red bk - Black g - Green w - White g/y- Green/Yellow br - Brown op - Opaque gy - Grey y - Yellow © Baxi Heating UK Ltd 2012... - Page 38 Fan Overheat Thermostat Flow Overheat Thermostat Wiring Key - Blue bk - Black br - Brown - Red w - White g/y - Green/Yellow - Green gy - Grey op - Opaque - Yellow © Baxi Heating UK Ltd 2012...
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Page 39: Commissioning The Boiler
•The integrity of the flue system and the flue seals. •The integrity of the boiler combustion circuit and the DO NOT check gas pressure here relevant seals. Proceed to put the boiler into operation as follows: Fig. 36 Inlet Gas Pressure Test Point © Baxi Heating UK Ltd 2012... - Page 40 Conformity” to indicate compliance with I.S. 813. An Fig. 36a example of this is given in I.S. 813 “Domestic Gas Inlet Gas Pressure Test Point Installations”. This is in addition to the Benchmark Commissioning Checklist. © Baxi Heating UK Ltd 2012...
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Page 41: Fitting The Outer Case
10. Complete the label supplied with the inhibitor and stick to the inside of the boiler case. Detail of system Fig. 38 Lower Door Panel treatment must be recorded in the Benchmark Commissioning Checklist. © Baxi Heating UK Ltd 2012... -
Page 42: Servicing The Boiler
• Perform the ‘Annual Servicing - Inspection’ (Section 14.2) & re-check. • Replace the gas valve (Section 15.8) & re-check. © Baxi Heating UK Ltd 2012... - Page 43 (care should be taken as this could be hot). Clean the trap and refit the drain plug. Check for leaks. h) Top of heat exchanger. Fig. 41 Combustion Box Door Panel © Baxi Heating UK Ltd 2012...
- Page 44 13. Complete the relevant Service Interval Record Securing Screws Burner Securing section of the Benchmark Commissioning Checklist at Screws the rear of this publication and then hand it back to the Fig. 44 user. © Baxi Heating UK Ltd 2012...
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Page 45: Changing Components
1. The procedure is the same for both the thermistor and the safety thermostat. 2. Remove the electrical connections from the sensor. 3. Unscrew the sensor from the pipe. 4. Fit the new thermistor or safety thermostat and reassemble in reverse order. © Baxi Heating UK Ltd 2012... - Page 46 PCB Housing 3. Lift Control PCB housing out of hinge housing of metal bracket. 4. Fit the new PCB Housing Assembly and reassemble in reverse order. Blue (CN11) Jumper Red (CN12) Jumper Fig. 49 © Baxi Heating UK Ltd 2012...
- Page 47 6. Fit the new fan and reassemble in reverse order. Gasket The injector pipe, condensate trap and gas valve can be changed after the removal of the fan. Protection Sensor Venturi Electrical Connections Fig. 52 Electrical Connection Wing Nuts © Baxi Heating UK Ltd 2012...
- Page 48 Disconnect the sensor leads. Service Drain Plug 4. Fit the new condensate trap and reassemble in reverse Condensate order. Drain Pipe Fig. 54 5. Prime the condensate trap (fill first chamber), check for leaks. © Baxi Heating UK Ltd 2012...
- Page 49 6. Fit the new heat exchanger and reassemble in reverse order. Fig. 58 7. Recommission the boiler and check the inhibitor concentration (see Section 6.2 and 12.1). Heat Exchanger Manifold Heat Exchanger Assembly Fig. 59 © Baxi Heating UK Ltd 2012...
- Page 50 5. Remove the combustion box base. Combustion Box Base Securing Screws 6. Pull the central insulation panel down from the Burner Securing centre of the heat exchanger. Screws 7. Fit the new insulation pad and reassemble in reverse order. © Baxi Heating UK Ltd 2012...
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Page 51: Short Parts List
E06 060 Safety Thermostat (Black) 242235 5129147 5109925 Gas Valve 241900 E06 085 Viewing Window 242484 Condensate Trap 5111714 Electrodes Kit 5132097 Burner Assy 5107430 E06 097 Heat Exchanger Assy 242497 Control Knob 5109996 © Baxi Heating UK Ltd 2012... -
Page 52: Fault Finding
Lights On On Flash PCB Fault Replace PCB. Lights Go to Fan Lockout Flash Flash On section of the fault finding instructions. Lights Flash On On PCB Fault Replace PCB. © Baxi Heating UK Ltd 2012... - Page 53 Check wiring from 240V at B ? terminal block to PCB. Optional Pump Live Check for shorts on pump, fan & gas valve. PCB fuse OK ? Replace if shorted & replace fuse. Replace PCB. Fuse © Baxi Heating UK Ltd 2012...
- Page 54 Live Remove Is there a flow switch from boiler. Replace Flow Switch. Is there a physical blockage to blockage in the system ? the paddle within the flow switch ? Remove Blockage. Remove Blockage. © Baxi Heating UK Ltd 2012...
- Page 55 3 and 4mm ? Is the wiring from PCB to spark probe & flame burner blocked or Replace PCB. detection probe OK ? damaged ? Clean burner or replace as Rectify wiring. necessary. © Baxi Heating UK Ltd 2012...
- Page 56 (red sensor on flow pipe). Replace thermistor. Is resistance between 0.5k & 20k Replace combustion combustion chamber chamber door seal & trim door seal damaged or not in seal. place ? Replace PCB. © Baxi Heating UK Ltd 2012...
- Page 57 Is thermistor resistance between Replace thermistor. 0.5k & 20k Plug in thermistor, leave Wiring from PCB to 8-way connector unplugged. thermistor faulty. Viewed from Is resistance at D between 0.5k & 20k Wire Entry end Replace PCB. © Baxi Heating UK Ltd 2012...
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Page 58: Benchmark Checklist
GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. Failure to install and commission according to the manufacturer’s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty. -
Page 59: Service Record
Service Record It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appropriate Service Record below, please ensure you have carried out the service as described in the manufacturer’s instructions. - Page 60 A T r a d i n g D i v i s i o n o f B a x i H e a t i n g U K L t d ( 3 8 7 9 1 5 6 ) Brooks House, Coventry Road, Warwick. CV34 4LL After Sales Service 0844 871 1525 Technical Enquiries 0844 871 1555 Website www.baxi.co.uk e&oe 7204218 - 04 (9/12) © Baxi Heating UK Ltd 2012...