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Installation & Service Instructions
Performa
24 Eco HE
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Burner On
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Flame Failure
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This is a Wall Mounted Powered Flue Condensing Combination Boiler Gas Fired Central Heating Unit.
o
The boiler meets the requirements of Statutory Instrument “ The Boiler (Efficiency) Regulations 1993 N 3083” and is
deemed to meet the requirements of Directive 92/42/EEC on the energy efficiency requirements for new hot water
boilers fired with liquid or gaseous fuels:-
Type test for purpose of
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Natural Gas Building Regulations and the Benchmark Commissioning Checklist Potterton Performa 24 Eco HE o G.C.N 47 393 11 Building Regulations (England & Wales) require notification of the installation of a heating appliance to the relevant Local Authority Building Control Department. From 1 April 2005 this can be achieved via a Competent Persons Self Certification Scheme as an CONTENTS option to notifying the Local Authority directly. Similar arrangements will follow for Scotland and will apply
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INSTALLER NOTIFICATION GUIDELINES Choose Building Regulations Notification Route Competent Person's Building Control Self Certification Scheme Contact your relevant Local Install and Commission this Authority Building Control appliance to manufacturer's (LABC) who will arrange instructions an inspection or contact a government approved inspector Complete the Benchmark Checklist If you notify via CORGI Scheme, CORGI will then notify the relevant Local Authority Install and Commission this Buildin
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LEGISLATION IMPORTANT - Installation, Commissioning, Service & Repair Potterton declare that no substances harmful to health are contained in the appliance or used This appliance must be installed in accordance with the manufacturer’s during appliance manufacture. instructions and the regulations in force. Read the instructions fully before installing or using the appliance. The appliance is suitable only for installation in GB and IE and should be installed in accordance with In GB, this must b
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1.0 INTRODUCTION 1.1 Description 1. The Potterton Performa 24 Eco HE is a fully automatic gas fired wall mounted condensing Case Front Panel combination boiler. It is room sealed and fan assisted, and will provide central heating and mains fed domestic hot water. 2. The boiler is set to give a maximum output of 25.2 kW (condensing). 3. It is designed for use on Natural Gas (G20) and can be converted to use Propane. 4. The boiler is suitable for use only on fully pumped seale
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4 3 2.0 GENERAL LAYOUT 2.1 Layout 1 1. Air Pressure Switch 2. Expansion Vessel 20 3. Burner Manifold 19 4. Automatic Air Vent 5. DHW Plate Heat Exchanger 6. Circulation Pump 7. Drain Off Point 18 8. Pressure Relief Valve 9. Optional Integral Timer Position 10. Central Heating System Pressure Gauge 11. Control PCB 17 2 12. Control Box 16 13. 3-Way Valve Assembly 14. Condensate Trap 15 15. Flame Sensing Electrode 3 16. Spark Electrode 17. Burner 4 13 18. Primary Heat Exchanger 5 19. Fan Assembly
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3.0 APPLIANCE OPERATION NOTE: All delay timers mentioned in 3.1 and 3.2 are overridden by domestic hot water demand. 1 Central Heating Circuit 3.1 Central Heating Mode (Fig. 4) 27 1. With a demand for heating, the pump circulates water through the primary circuit. At a pre- 2 determined flow rate the central heating flow switch 3 4 operates, initiating the ignition sequence. 7 26 5 6 2. The main burner ignites at low rate, then the gas valve controls the gas rate to maintain
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4.0 TECHNICAL DATA Appliance Type C C Electrical Protection IPX4D 12 32 Central Heating Primary Circuit Pressures Appliance Category CAT II 2H 3P NO Class 3 bar x Safety Discharge 3 Heat Input CH Condensate Drain 1” BSP Max Operating 2.5 Max Min Min Operating 0.5 Flue Terminal Diameter 100mm kW 24.8 10.6 Recommend Operating 1-2 Dimensions Projection 125mm Heat Output CH (Non-Condensing) DHW Circuit bar Max Min Pressures Connections copper tails Max Operating 8 kW 24 9.8 Gas Supply - 22mm Min O
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5.0 DIMENSIONS AND FIXINGS E G Dimensions A A 780mm B 345mm C 450mm D 116mm Ø Min. B 360° Orientation E 185mm F 190mm C D G 131mm Tube Ø 100mm Fig. 6 F 68mm Gas Inlet Heating Domestic Hot Cold Water Heating Flow Water Outlet Inlet Return 95mm 65mm 65mm 65mm 65mm 265mm 165.7mm View from under the appliance Left Hand Side 130mm of Boiler Fig. 7 Publication No. 5111811 9
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6.0 SYSTEM DETAILS 6.1 Information 1. The Potterton Performa 24 Eco HE 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). a) IRN 001 - See text of entry for installation requirements and notes. b) IRN 302 - Byelaw 14. 2. Reference to the WRc publications, ‘Water fittings and materials directory’ and ‘Water supply byelaws guide’ give full details of byel
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6.0 SYSTEM DETAILS 6.5 System Filling and Pressurising 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. Double Stop Stop 2. There are connection points on the mains cold Check Valve Valve Valve water inlet and central heating return isolating taps to which the optional filling loop kit (Part No. 248221) can be assembled. 3. The filling method adopted must
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6.0 SYSTEM DETAILS 6.8 Domestic Hot Water Circuit Other Tap 1. All DHW circuits, connections, fittings, etc. should Outlets be fully in accordance with relevant standards and water supply regulations. Boiler Expansion Vessel 2. Your attention is drawn to: for GB: Guidance G17 to G24 and recommendation R17 to R24 of the Water Regulations Guide. for IE: the current edition of I.S. 813 “Domestic Gas Check Installations”. Valve 3. A single check valve must be fitted as shown in Fig. 10 to prevent b
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4 3 7.0 SITE REQUIREMENTS 20mm/5mm Min 7.1 Location 5mm Min 450mm see *NOTE: 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. The boiler should 200mm Min be fitted within the building unless otherwise protected by a suitable enclosure i.e. garage or outhouse. (The boiler may be fitted inside a cupboard - see
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7.0 SITE REQUIREMENTS 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. The appliance will run sufficiently cool without ventilation. 7.4 Gas Supply 1. The gas installation should be in accordance with the relevant standards. In GB this is BS 6891. In IE this is the current edition of I.S. 813 “Domestic Gas Installations”. 2. The connection to
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50mm per metre of pipe run 2.5° Minimum fall 50mm per metre of pipe run 2.5° Minimum fall 50mm per metre of pipe run 2.5° Minimum fall 50mm per metre of pipe run 2.5° Minimum fall 7.0 SITE REQUIREMENTS 7.6 Condensate Drain Termination to an internal soil Boiler FAILURE TO INSTALL THE CONDENSATE DISCHARGE and vent pipe PIPEWORK CORRECTLY WILL AFFECT THE RELIABLE OPERATION OF THE BOILER The condensate discharge pipe MUST NOT RISE at any point along its length. There MUST be a fall of AT LEAST 2.5°
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7.0 SITE REQUIREMENTS 7.7 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. For GB recommendations are given in BS 5440 Pt 1. For IE recommendations are given in the current edition of I.S. 813 “Domestic Gas Installations”. 2. If the terminal discharges onto a pathway or passageway, ch
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7.0 SITE REQUIREMENTS 7.8 Flue Dimensions The standard horizontal flue kit allows for flue lengths between 100mm and 685mm from elbow to terminal (Fig. 16). The maximum permissible flue length is: 4 metres. 7.9 Flue Trim 1. The rubber flue trim supplied may be fitted to either the outside wall or on the inner wall of installation. Fig. 16 7.10 Terminal Guard (Fig. 17) 1. When codes of practice dictate the use of terminal guards, they can be obtained from most Plumbers’ and Builders’ Merchants. 2
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7.0 SITE REQUIREMENTS 7.11 Flue Options 1. The Potterton Performa 24 Eco HE can be fitted with flue systems as illustrated. B 2. The standard flue is suitable only for horizontal A applications. 3. Maximum permissible equivalent flue lengths are:- Horizontal Concentric 4 metres Vertical Concentric 4 metres Vertical Twin Pipe 12 metres 4. Any additional “in line” bends in the flue system Horizontal Flues must be taken into consideration. Their equivalent lengths are:- Concentric Pipes: 45° bend
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8.0 INSTALLATION 8.1 Initial Preparation The gas supply, gas type and pressure must be checked for suitability before connection (see Section 7.4). 1. After considering the site requirements (see Section 7.0) position the fixing template on the wall ensuring it is level both horizontally and vertically. 2. Mark the position of the two most suitable fixing slots for the wall plate and boiler lower fixing holes. It is preferable to use the horizontal fixing slots. For side flue exit, mark as sh
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Wall Plate 8.0 INSTALLATION 8.4 Fitting The Boiler 1. Lift the boiler using the lower edges. Engage the slots at the top rear of the boiler on the wall plate hooks (Fig. 20). 2. Ensure that the boiler is level and sits against the wall. 3. Take the two steel washers and remaining screws. Using the previously drilled and plugged holes, secure the bottom of the boiler to the wall (Fig. 21). 4. Remove the elbows, valves and sealing washers Fig. 20 from the packaging. The 3/4 in valve with internal
