Manuel d'utilisation / d'entretien du produit G.C.No 47 393 21 du fabricant Baxi Potterton
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© Baxi Heating UK Ltd 2011 Installation & Service Instructions These instructions include the Benchmark Commissioning Checklist and should be left with the user for safe keeping.
2 © Baxi Heating UK Ltd 2011 Natural Gas Potterton Promax Combi 24 HE Plus A G.C.N o 47 393 21 Potterton Promax Combi 28 HE Plus A G.C.N o 47 393 22 Potterton Promax Combi 33 HE Plus A G.
3 Installer Notification Guidelines © Baxi Heating UK Ltd 2011 Choose Building Regulations Notification Route Contact your rele v ant Local A uthor ity Building Control (LABC) who will arrange an ins.
4 Legislation © Baxi Heating UK Ltd 2011 Codes of Practice - refer to the most recent version IMPORTANT - Installation, Commissioning, Service & Repair This appliance must be installed in accordance with the manufacturer’s instructions and the regulations in force.
5 Safe Manual Handling © Baxi Heating UK Ltd 2011 General The following advice should be adhered to, from when first handling the boiler to the final stages of installation, and also during maintenance.
6 © Baxi Heating UK Ltd 2011 CONTENTS 1.0 Introduction 7 2.0 General Layout 8 3.0 Appliance Operation 9 4.0 Technical Data 10 5.0 Dimensions and Fixings 11 6.0 System Details 12 7.0 Site Requirements 15 8.0 Flue Options 19 9.0 Plume Displacement 24 10.
7 1.0 Intr oduction © Baxi Heating UK Ltd 2011 1.1 Description 1. The Potterton Promax Combi HE Plus A is a fully automatic gas fired wall mounted condensing combination boiler. It is room sealed and fan assisted, and will serve central heating and mains fed domestic hot water.
8 2.0 General La yout © Baxi Heating UK Ltd 2011 2.1 Layout 1. Expansion Vessel 2. Automatic Air Vent 3. DHW Plate Heat Exchanger / Automatic Bypass 4. Circulation Pump 5. Drain Off Point 6. Pressure Relief Valve 7. Optional Integral Timer Position 8.
9 3.0 Appliance Operation © Baxi Heating UK Ltd 2011 3.1 Central Heating Mode (Fig. 2) 1. With a demand for heating, the pump circulates water through the primary circuit. 2. Once main burner ignites the fan speed controls the gas rate to maintain the heating temperature measured by the temperature sensor.
10 4.0 T echnical Data © Baxi Heating UK Ltd 2011 4.1 Promax Combi 24, 28 & 33 Flue Terminal Diameter 100mm Dimensions Projection 125mm Outercase Dimensions Casing Height - 780mm Overall Height Inc Flue Elbow - 965mm Casing Width - 450mm Casing Depth - 345mm Central Heating Primary Circuit Pressures bar Safety Discharge 3 Max Operating 2.
11 5.0 Dimensions and Fixings © Baxi Heating UK Ltd 2011 Dimensions A 780mm B 345mm C 450mm D 116mm Ø Min. E 185mm (207mm for 80/125mm flue systems) F 145mm G 131mm H 180mm Domestic Hot W ater Outle.
12 6.0 System Details © Baxi Heating UK Ltd 2011 6.1 Information 1. The Promax Combi Condensing Combination Boiler is a ‘Water Byelaws Scheme - Approved Product’. To comply with the Water Byelaws your attention is drawn to the following installation requirements and notes (IRN).
13 6.0 System Details © Baxi Heating UK Ltd 2011 6.5 System Filling and Pressurising (Fig. 4) 1. A filling point connection on the central heating return pipework must be provided to facilitate initial filling and pressurising and also any subsequent water loss replacement/refilling.
14 6.0 System Details © Baxi Heating UK Ltd 2011 6.8 Domestic Hot Water Circuit (Fig. 7) 1. All DHW circuits, connections, fittings, etc. should be fully in accordance with relevant standards and water supply regulations. 2. Your attention is drawn to: for GB: Guidance G17 to G24 and recommendation R17 to R24 of the Water Regulations Guide.
15 7.0 Site Requirements © Baxi Heating UK Ltd 2011 7.1 Location 1. The boiler may be fitted to any suitable wall with the flue passing through an outside wall or roof and discharging to atmosphere in a position permitting satisfactory removal of combustion products and providing an adequate air supply.
16 7.0 Site Requirement © Baxi Heating UK Ltd 2011 7.3 Ventilation of Compartments 1. Where the appliance is installed in a cupboard or compartment, no air vents are required. 2. BS 5440: Part 2 refers to room sealed appliances installed in compartments.
17 7.0 Site Requirements © Baxi Heating UK Ltd 2011 7.7 Condensate Drain FAILURE TO INSTALL THE CONDENSATE DISCHARGE PIPEWORK CORRECTLY WILL AFFECT THE RELIABLE OPERATION OF THE BOILER The condensate discharge pipe MUST NOT RISE at any point along its length.
18 © Baxi Heating UK Ltd 2011 7.0 Site Requirements 7.8 Flue NOTE: Due to the nature of the boiler a plume of water vapour will be discharged from the flue. This should be taken into account when siting the flue terminal. 1. The following guidelines indicate the general requirements for siting balanced flue terminals.
19 © Baxi Heating UK Ltd 2011 8.0 Flue Options Horizontal Flues (ii) (i) Plume Displacement Kit 60 /100 Ø 1M Extensions, 45° & 93° bends are also available - see Section 9.0 (ii) (i) This bend is equivalent to 1 metre Total equivalent length = A+B+C+2x90°Bends B A C This bend is equivalent to 1 metre 8.
20 © Baxi Heating UK Ltd 2011 8.0 Flue Options Vertical Flues (ii) (i) The total equivalent length for this example is = 6.5 metres. 1m extension 135°bend 91.5°bend 1m 0.25m 0.5m 5 2 2 5.0m 0.5m 1.0m AIR DUCT N o of fittings/pipes Sub total Equivalent Length Value Equivalent Length Air Duct = 6.
21 © Baxi Heating UK Ltd 2011 8.0 Flue Options B K,K1 R D C N U,W S L H M E G F P Key Accessory Size Code No FLUE GROUP A Concentric Flue System 100mm diameter A Horizontal Flue Terminal (inc.
22 © Baxi Heating UK Ltd 2011 8.0 Flue Options 8.4 Twin Flue Duct Adaptor 1. The kit allows connection of a twin flue system to the boiler adaptor. 8.5 Twin Flue Connection 1. Engage the twin flue duct adaptor in the boiler adaptor, making sure that it is pushed down as far as possible.
23 © Baxi Heating UK Ltd 2011 8.0 Flue Options Fig. 19 Fig. 21 100mm 685mm Push Fit Adaptor Air Duct Flue Duct Cut the same amount off the Air Duct & Flue Duct Approx 1425mm 8.6 For Roof Terminals 1. In the case of a pitched roof 25 - 50 degrees, position the lead tile to replace/flash over existing roof tiling.
24 9.0 Plume Displacement © Baxi Heating UK Ltd 2011 9 .1 Plume Displacement Kit (Fig. 23) Kit No 5118638 Content of kit 1 0.9m 60/100 Concentric Flue 1 1m 60 Dia Exhaust Flue Pipe 1 Adaptor 2 60 Dia Support Brackets 1 93° Elbow/Plume Outlet Assembly 1 Flexible Flue Trim 3 “O” Rings 1 ‘Jubilee Clip 1 Boiler Elbow 1.
25 9.0 Plume Displacement © Baxi Heating UK Ltd 2011 Concentric 60/100 Flue 60Ø Exhaust X Y Fig. 26 2 0 2 4 6 8 10 12 14 60 Ø Exhaust (metres) X Concentric 60/100 Flue (metres) Y 0 16 1 34 6 57 9 8 24 28/33 Fig.
26 © Baxi Heating UK Ltd 2011 9.0 Plume Displacement Min. 2 metres Fig. 28 50mm Flue Trim Position of ‘Jubilee’ Clip screw Fig. 33 30mm 30mm Fig. 30 Fig. 32 Fig. 29 Fig. 31 Adaptor Spigot 9.3 General Fitting Notes 1. Cut a hole in the external wall which the concentric flue assembly will pass through.
27 9.0 Plume Displacement © Baxi Heating UK Ltd 2011 9.3 General Fitting Notes (cont.) 15. For aesthetic purposes it is permissible to route the 60Ø exhaust in an enclosed box, but the air inlet and plume outlet MUST remain in free air.
28 10.0 Installation © Baxi Heating UK Ltd 2011 Fig. 42 145mm For Side Flue Exit Central Heating Return Flushing Tube Wall Plate Fig. 41 10.1 Unpacking & Initial Preparation The gas supply, gas type and pressure must be checked for suitability before connection (see Section 7.
29 10.0 Installation © Baxi Heating UK Ltd 2011 10.3 Fitting The Boiler 1. Lift the boiler using the Lifting Points as shown by the shaded areas (Fig. 43). The boiler should be lifted by TWO PEOPLE. Engage the slots at the top rear of the boiler on the wall plate(see Safe Manual Handling page 5).
30 10.0 Installation © Baxi Heating UK Ltd 2011 10.6 Fitting The Flue HORIZONTAL FLUE 1. The standard flue is suitable for lengths between 100mm minimum and 685mm maximum, as measured from the edge of the flue elbow outlet to the joint between the terminal and air duct (Fig.
31 10.0 Installation © Baxi Heating UK Ltd 2011 10.6 Fitting the Flue (Cont) 6. The inner flue duct support bracket may be in the waste portion of the flue. In this case retrieve the bracket before discarding the waste. 7. Take the inner flue support bracket (if not already fitted) and engage it over the flue duct.
32 10.0 Installation © Baxi Heating UK Ltd 2011 Fig. 56 Fig. 55 Cable Clamp Facia Panel Terminal Block Cover 10.7 Making The Electrical Connections The boiler is fitted with a 1.3m length of 3 core cable. This can be connected to the fused 3A 230V 50H Z supply.
33 11.0 Commissioning © Baxi Heating UK Ltd 2011 11.1 Commissioning the Boiler 1. Reference should be made to BS:EN 12828 & 14336 when commissioning the boiler. 2. At the time of commissioning, complete all relevant sections of the Benchmark Checklist at the rear of this publications.
34 11.0 Commissioning © Baxi Heating UK Ltd 2011 11.2 Check the Operational (Working) Gas Inlet Pressure 1. Ensure that all controls are calling for heat, and the selector switch is in the central heating and hot water position ( ). The current boiler temperature is shown on the display.
35 12.0 Completion © Baxi Heating UK Ltd 2011 12.1 Completion 1. Instruct the user in the operation of the boiler and system explaining the operational sequence. 2. Set the central heating and hot water temperature control knobs to the requirements of the user.
36 13.0 Ser vicing © Baxi Heating UK Ltd 2011 Case Front Panel Fig. 69 Facia Panel Securing Screws Fig. 70 Inner Door Panel Fig. 71 Sump 13 .1 Annual Servicing 1. For reasons of safety and economy, it is recommended that the boiler is serviced annually.
37 13.0 Ser vicing © Baxi Heating UK Ltd 2011 13.2 Annual Servicing - Inspection (Cont) 6. Undo the nut on the gas inlet pipe to the venturi (Fig. 73) and pull the sensing pipe off the fan. 7. Disconnect the electrode leads, noting their position, and the fan electrical plugs.
38 14.0 Changing Components © Baxi Heating UK Ltd 2011 IMPORTANT: When changing components ensure that both the gas and electrical supplies to the boiler are isolated before any work is started.
39 14.0 Changing Components © Baxi Heating UK Ltd 2011 Cover Gas Inlet Fan Venturi Injector Collector Burner Gasket When fitting the venturi ensure that the arrow is pointing forward Fig. 78 Fig. 79 Gas Inlet Pipe Venturi Injector Fig. 80 14.3 Fan (Fig.
40 14.0 Changing Components © Baxi Heating UK Ltd 2011 Fig. 81 Cover Burner Gasket Extension Piece (On 28 models only) Collector Venturi Heat Exchanger Rear Insulation Cover Insulation Seal Collector Spark Electrode Sensing Electrode Electrode Leads Venturi Fig.
41 14.0 Changing Components © Baxi Heating UK Ltd 2011 Central Heating Temperature Sensor Safety Thermostat Flow Pipe Fig. 84 DHW Temperature Sensor Fig. 85 Plate Heat Exchanger Pressure Sensor Flue/Heat Exchanger Thermostat Sensor Electrical Plug Fig.
42 14.0 Changing Components © Baxi Heating UK Ltd 2011 14.14 Pump - Head Only (Fig. 87) 1. Drain the boiler primary circuit and remove the socket head screws securing the pump head to the body and draw the head away. 2. Undo the screw on the pump wiring cover and remove the cover.
43 14.0 Changing Components © Baxi Heating UK Ltd 2011 14.17 Pressure Gauge (Figs. 90 & 91) 1. Drain the boiler primary circuit and undo the nut on the pressure gauge capillary. 2. Undo the screws securing the gauge retaining bracket. 3. Remove the bracket and gauge assembly.
44 14.0 Changing Components © Baxi Heating UK Ltd 2011 14.20 Plate Heat Exchanger (Fig. 94) 1. Drain the boiler primary circuit and remove the gas valve as described in section 14.24. 2. While supporting the heat exchanger undo the screws securing it to the brass manifolds.
45 14.0 Changing Components © Baxi Heating UK Ltd 2011 14.22 P.C.B. (Fig. 98) 1. Note the settings of the temperature control knobs, rotate them fully anticlockwise and carefully pull them off the drive pins. 2. Completely undo the screws securing the control box cover and release the cover retaining barbs from their slots.
46 14.0 Changing Components © Baxi Heating UK Ltd 2011 14.24 Gas Valve (Fig. 99) IMPORTANT: After replacing the valve the CO 2 must be checked and adjusted as detailed in Section 15.0 Setting the Gas Valve. Only change the valve if a suitable calibrated combustion analyser is available, operated by a competent person - see section 13.
47 15.0 Setting the Gas V alve © Baxi Heating UK Ltd 2011 Selector Switch Display Reset bar 0 1 2 3 4 Central Heating Temperature Control Domestic Hot Water Temperature Control Fig. 103 Fig. 104 Fig. 105 Fig. 106 Fig. 107 Central Heating Temperature Control Domestic Hot Water Temperature Control Fig.
48 16.0 Electrical © Baxi Heating UK Ltd 2011 16.1 Illustrated Wiring Diagram - bro wn - black - blue - white br bk b w - green - green / y ellow - red g g/y r Control PCB X2 X3 X9 X501 12 12 3 3 4 4.
49 17.0 Short Par ts List © Baxi Heating UK Ltd 2011 Short Parts List Key G.C. Description Manufacturers No. No. Part No. 311 Fan 5121447 426 Motor 3way Valve 5132452 315 Igniter Electrode 720222801 .
50 18.0 Fault Finding © Baxi Heating UK Ltd 2011 NOTE: When instructed to turn the selector to the reset position turn the selector switch fully anticlockwise against the spring pressure to the reset position and hold for 5 seconds to reset the boiler.
51 18.0 Fault Finding © Baxi Heating UK Ltd 2011 Refer to Section 16.0 “Illustrated Wiring Diagram” for position of terminals and components Central Heating - Follow operational sequence Turn sel.
52 18.0 Fault Finding © Baxi Heating UK Ltd 2011 Turn selector switch to The display illuminates Error 20, 28 or 50 flashing Error 119 flashing Burner lights Error 110 flashing Error 133 flashing Turn Domestic Hot Water thermostat to Maximum. Open DHW tap fully.
53 18.0 Fault Finding © Baxi Heating UK Ltd 2011 Fault Finding Solutions Sections Is there 230V at: Is there 230V at: Main terminals L and N Check electrical supply 1. NO Main terminal fuse Replace fuse Replace PCB Display illuminated 2. NO PCB - X1 connector terminals 1,2 Check wiring 3.
54 18.0 Fault Finding © Baxi Heating UK Ltd 2011 E20 or E50 - Temperature sensors faulty. Cold resistance approximately 10k Ω @ 25° C (DHW and CH sensors) 20k Ω @ 25° C (Flue sensor) (resistance reduces with increase in temp.
55 © Baxi Heating UK Ltd 2011 18.0 Fault Finding Check and correct if necessary 1. The mechanical set of the gas valve (CO2 values - see instruction) 2. Flame sensing electrode and lead connections 3. Flame sensing electrode position Flame current should be more than 0.
56 19.0 Notes © Baxi Heating UK Ltd 2011.
57 © Baxi Heating UK Ltd 2011 19.0 Notes.
Failure to install and commission accor ding to the manufacturer’ s instructions and complete this Benchmark Commissioning Checklist will invalidate the warranty .
Service Record It is recommended that your heating system is serviced r egularly and that the appropriate Service Interval Record is completed. Service Provider Before completing the appr opriate Service Record below , please ensure you have carried out the service as described in the manufacturer’ s instructions.
© Baxi Heating UK Ltd 2011 UK Comp N o 5114444 - Iss 15 - 6/11 All descriptions and illustrations provided in this leaflet have been carefully prepared but we reserve the right to make changes and improvements in our products which may affect the accuracy of the information contained in this leaflet.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Baxi Potterton G.C.No 47 393 21 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Baxi Potterton G.C.No 47 393 21 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Baxi Potterton G.C.No 47 393 21, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Baxi Potterton G.C.No 47 393 21 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Baxi Potterton G.C.No 47 393 21, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Baxi Potterton G.C.No 47 393 21.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Baxi Potterton G.C.No 47 393 21. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Baxi Potterton G.C.No 47 393 21 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
