Manuale d’uso / di manutenzione del prodotto 28kw del fabbricante Potthof & Co
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© Baxi Heating UK Ltd 2012 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 2012 Natural Gas Potterton Gold Combi 24 HE A G.C.N o 47 393 18 Potterton Gold Combi 28 HE A G.C.N o 47 393 19 Potterton Gold Combi 33 HE A G.
3 Installer Notification Guidelines © Baxi Heating UK Ltd 2012 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 2012 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 2012 General The following advice should be adhered to, from when first handling the boiler to the final stages of installation, and also du ring maintenance.
6 © Baxi Heating UK Ltd 2012 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 2012 1.1 Description 1. The Potterton Gold Combi HE 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 2012 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. Safety Pressure Relief Valve 7. Optional Integral Timer Position 8.
9 3.0 Appliance Operation © Baxi Heating UK Ltd 2012 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 2012 4.1 Gold Combi 24, 28 & 33 HE A 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 2012 Domestic Hot W ater Outlet (15mm) Cold W ater Inlet (15mm) Heating Return (22mm) Heating Flow (22mm) Pressur e Relief V alve (15mm) Gas Inlet (22mm) 65 mm 65 mm 65 mm 65 mm 65 mm 32.5 mm Condensate Drain Tap Rail 360° Orientation Flue Ø 100mm D C B A E G F At least 1.
12 6.0 System Details © Baxi Heating UK Ltd 2012 6.1 Information 1. The Potterton Gold Combi HE A 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 2012 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 2012 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 2012 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 2012 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 2012 7.7 Condensate Drain FAILURE TO INSTALL THE CONDENSATE DISCHARGE PIPEWORK CORRECTLY WILL AFFECT THE RELIABLE OPERATION OF THE BOILER. CAREFUL CONSIDERATION MUST BE GIVEN TO THE POSSIBILITY OF THE PIPEWORK BEING SUBJECT TO FREEZING CONDITIONS AND APPROPRIATE MEASURES TAKEN TO PREVENT BLOCKAGE.
18 7.0 Site Requirement © Baxi Heating UK Ltd 2012 7.7 Condensate Drain (cont.) 11. When discharging condensate into a soil stack or waste pipe the effects of existing plumbing must be considered.
19 7.0 Site Requirement © Baxi Heating UK Ltd 2012 7.7 Condensate Drain (cont.) 12. A boiler discharge pump is available, ‘MULTIFIT’ part no. 720648301. This pump will dispose of both condensate & high temperature water from the relief valve.
20 © Baxi Heating UK Ltd 2012 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.
21 © Baxi Heating UK Ltd 2012 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.
22 © Baxi Heating UK Ltd 2012 8.0 Flue Options Vertical Flues (Twin Pipe) (ii) (i) 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.
23 © Baxi Heating UK Ltd 2012 8.0 Flue Options B K,K1 R D C N U,W S L H J M E G F P Key Accessory Size Code No FLUE GROUP A Concentric Flue System 100mm diameter A3 Telescopic Internal Flue Kit 315-500mm 5119654 A2 Telescopic Flue (inc. elbow) 315-500mm 5118069 A Horizontal Flue Terminal (inc.
24 © Baxi Heating UK Ltd 2012 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.
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. Make an aperture in the roof suitable for the lower tube of the roof terminal and ensure the integrity of the roof cover is maintained.
26 9.0 Plume Displacement © Baxi Heating UK Ltd 2012 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.
27 9.0 Plume Displacement © Baxi Heating UK Ltd 2012 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.
28 © Baxi Heating UK Ltd 2012 Min. 2 metres Fig. 28 Fig. 33 30mm 30mm Fig. 30 Fig. 32 Fig. 31 Adaptor 9.0 Plume Displacement 50mm Flue Trim Position of ‘Jubilee’ Clip screw Fig. 29 Spigot 9.3 General Fitting Notes 1. Cut a hole in the external wall which the concentric flue assembly will pass through.
29 9.0 Plume Displacement © Baxi Heating UK Ltd 2012 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.
30 © Baxi Heating UK Ltd 2012 10.0 Installation 10.1 Unpacking & Initial Preparation The gas supply, gas type and pressure must be checked for suitability before connection (see Section 7.4). NOTE: a small amount of water may drain from the boiler in the upright position.
31 10.0 Installation © Baxi Heating UK Ltd 2012 10.3 Fitting the Filling Loop Kit 1. The filling loop kit supplied with the boiler can be connected to the taps on the wall plate at this point. (Either one of two types of loop kit will be supplied - both function in the same way, differing only in detail).
32 10.0 Installation © Baxi Heating UK Ltd 2012 10.4 Fitting The Boiler 1. Lift the boiler using the Lifting Points as shown by the shaded areas (Fig. 45). The boiler should be lifted by TWO PEOPLE. Engage the slots at the top rear of the boiler on the wall plate (Fig.
33 10.0 Installation © Baxi Heating UK Ltd 2012 10.7 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.
34 10.0 Installation © Baxi Heating UK Ltd 2012 10.7 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.
35 10.0 Installation © Baxi Heating UK Ltd 2012 Fig. 59 Fig. 58 Cable Clamp Facia Panel Terminal Block Cover 10.8 Making The Electrical Connections NOTE: Both the Live and Neutral connections are fused. To connect an external control proceed as follows:- 1.
36 11.0 Commissioning © Baxi Heating UK Ltd 2012 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.
37 11.0 Commissioning © Baxi Heating UK Ltd 2012 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.
38 11.0 Commissioning © Baxi Heating UK Ltd 2012 11.3 Setting the Timer NOTE : If the integral timer is not required fit the blanking plate supplied in the installation kit. The Electro-Mechanical Timer allows the central heating system to be set every 15 minutes.
39 12.0 Completion © Baxi Heating UK Ltd 2012 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.
40 © Baxi Heating UK Ltd 2012 Case Front Panel Fig. 73 Facia Panel Securing Screws Fig. 74 Inner Door Panel Fig. 75 Sump 13.0 Ser vicing 13 .1 Annual Servicing 1. For reasons of safety and economy, it is recommended that the boiler is serviced annually.
41 13.0 Ser vicing © Baxi Heating UK Ltd 2012 13.2 Annual Servicing - Inspection (Cont) 6. Undo the nut on the gas inlet pipe to the venturi (Fig. 77) and pull the sensing pipe off the fan. 7. Disconnect the electrode leads, noting their position, and the fan electrical plugs.
42 14.0 Changing Components © Baxi Heating UK Ltd 2012 IMPORTANT: When changing components ensure that both the gas and electrical supplies to the boiler are isolated before any work is started.
43 14.0 Changing Components © Baxi Heating UK Ltd 2012 Cover Gas Inlet Fan Venturi Injector Collector Burner Gasket When fitting the venturi ensure that the arrow is pointing forward Fig. 82 Fig. 83 Gas Inlet Pipe Venturi Injector Fig. 84 14.3 Fan (Fig.
44 14.0 Changing Components © Baxi Heating UK Ltd 2012 Fig. 85 Cover Burner Gasket Extension Piece (24 & 28 models) Collector Venturi Heat Exchanger Rear Insulation Cover Insulation Seal Collector Spark Electrode Sensing Electrode Electrode Leads Venturi Fig.
45 14.0 Changing Components © Baxi Heating UK Ltd 2012 Central Heating Temperature Sensor Safety Thermostat Flow Pipe Fig. 88 DHW Temperature Sensor Fig. 89 Plate Heat Exchanger Pressure Sensor Flue/Heat Exchanger Thermostat Sensor Electrical Plug Fig.
46 14.0 Changing Components © Baxi Heating UK Ltd 2012 14.14 Pump - Head Only (Fig. 91) 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.
47 14.0 Changing Components © Baxi Heating UK Ltd 2012 14.17 Pressure Gauge (Figs. 94 & 95) 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.
48 14.0 Changing Components © Baxi Heating UK Ltd 2012 14.20 Plate Heat Exchanger (Fig. 98) 1. Drain the boiler primary circuit and remove the gas valve as described in section 14.23. 2. While supporting the heat exchanger undo the screws securing it to the brass manifolds.
49 14.0 Changing Components © Baxi Heating UK Ltd 2012 14.22 P.C.B. (Fig. 102) 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.
50 © Baxi Heating UK Ltd 2012 Gas Valve Earth Lead Gas Feed Elbow Fig. 103 Power Lead Expansion Vessel Boiler Chassis Lock Nut Fig. 104 Retaining Bracket Sensing Pipe Venturi Inlet Pipe 14.0 Changing Components 14.24 Gas Valve (Fig. 103) IMPORTANT: After replacing the valve the CO 2 must be checked and adjusted as detailed in Section 15.
51 15.0 Setting the Gas V alve © Baxi Heating UK Ltd 2012 Selector Switch Display Reset 1 2 3 4 5 PM 7 8 9 10 11 12 1 2 3 4 5 AM 7 8 9 10 11 12 0 bar 0 2 3 4 Central Heating Temperature Control Domestic Hot Water Temperature Control Fig. 106 Fig. 107 Fig.
52 16.0 Electrical © Baxi Heating UK Ltd 2012 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.
53 17.0 Short Par ts List © Baxi Heating UK Ltd 2012 Short Parts List Key G.C. Description Manufacturers No. No. Part No. 311 Fan 5121447 426 Motor 3 Way Valve 5132452 315 Igniter Electrode 720222801.
54 18.0 Fault Finding © Baxi Heating UK Ltd 2012 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.
55 18.0 Fault Finding © Baxi Heating UK Ltd 2012 Refer to Section 16.0 “Illustrated Wiring Diagram” for position of terminals and components Central Heating - Follow operational sequence (do Turn.
56 18.0 Fault Finding © Baxi Heating UK Ltd 2012 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.
57 18.0 Fault Finding © Baxi Heating UK Ltd 2012 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.
58 18.0 Fault Finding © Baxi Heating UK Ltd 2012 E20 or E50 - Temperature sensors faulty. Cold resistance approximately 10k í @ 25° C (DHW and CH sensors) 20k í @ 25° C (Flue sensor) (resistance reduces with increase in temp.
59 © Baxi Heating UK Ltd 2012 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.
60 19.0 Pages for Notes © Baxi Heating UK Ltd 2012.
61 19.0 Pages for Notes © Baxi Heating UK Ltd 2012.
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 demon strating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference.
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 2012 7202085 - 07 (5/12) 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 punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Potthof & Co 28kw è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Potthof & Co 28kw - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Potthof & Co 28kw imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Potthof & Co 28kw ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Potthof & Co 28kw, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Potthof & Co 28kw.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Potthof & Co 28kw. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Potthof & Co 28kw insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
