Potterton Promax SL Range Installation & Service Instructions Manual
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Potterton Promax SL Range Installation & Service Instructions Manual

Potterton Promax SL Range Installation & Service Instructions Manual

Condensing central heating boiler
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Supplied by HeatingSpares247.com
You can rely on
Installation & Service Instructions
Promax SL
Range
Condensing
Central Heating
Boiler
These instructions include the Benchmark Commissioning Checklist
and should be left with the user for safe keeping.
© Baxi Heating UK Ltd 2011

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  • Page 1 Supplied by HeatingSpares247.com You can rely on Installation & Service Instructions Promax SL Range Condensing Central Heating Boiler These instructions include the Benchmark Commissioning Checklist and should be left with the user for safe keeping. © Baxi Heating UK Ltd 2011...
  • Page 2 Supplied by HeatingSpares247.com Natural Gas Building Regulations and the Benchmark Commissioning Checklist Potterton Promax 12 SL G.C.N 41 591 79 Building Regulations (England & Wales) require notification of Potterton Promax 15 SL the installation of a heating appliance to the relevant Local G.C.N...
  • Page 3 Supplied by HeatingSpares247.com Installer Notification Guidelines Choose Building Regulations Notification Route Competent Person's Building Control Self Certification Scheme Install and Commission this Contact your relevant Local appliance to manufacturer's Authority Building Control instructions (LABC) who will arrange an inspection or contact a government approved inspector Complete the...
  • Page 4 Supplied by HeatingSpares247.com Legislation IMPORTANT - Installation, Commissioning, Service & Repair This company declares that no substances harmful to health are contained in the appliance or used This appliance must be installed in accordance with the manufacturer’s instructions and during appliance manufacture. the regulations in force.
  • Page 5 Supplied by HeatingSpares247.com Safe Manual Handling General The following advice should be adhered to, from when first handling the boiler to the final stages of installation, and also during maintenance. Most injuries as a result of inappropriate handling and lifting are to the back, but all other parts of the body are vulnerable, particularly shoulders, arms and hands.

  • Page 6: Table Of Contents

    Supplied by HeatingSpares247.com Contents Section Page Introduction General Layout Appliance Operation Technical Data Dimensions and Fixings System Details Site Requirements Flue Options Plume Displacement 10.0 Installation 11.0 Electrical 12.0 Commissioning the Boiler 13.0 Fitting the Outer Case 14.0 Servicing the Boiler 15.0 Changing Components 16.0...

  • Page 7: Introduction

    Supplied by HeatingSpares247.com 1.0 Introduction Description 1. The Potterton Promax SL range are gas fired room sealed fan assisted condensing central heating boilers. 2. The maximum output of the Potterton Promax 12 SL is 40,330 Btu/hr,15 SL model is 52,000 Btu/hr, 18 SL model is 60,770 Btu/hr and 24 SL model is 75,000 Btu/hr.

  • Page 8: General Layout

    Supplied by HeatingSpares247.com 2.0 General Layout Layout (Figs. 3,4,5 & 6) Wall Plate Flue Elbow Heat Exchanger Burner Air Box Fan Protection Thermostat Fan Assembly Fig. 5 Condensate Trap PCB Housing Assembly Gas Tap Gas / Air Ratio Valve Flow Pipe Connection Return Pipe Connection Flow Temperature Safety Thermostat - Black Flow Temperature Thermistor - Red...

  • Page 9: Appliance Operation

    Supplied by HeatingSpares247.com Mains On. 3.0 Appliance Operation Flow temperature less 1. Switched Live On: When the switched live switches than set point ? on if the flow temperature is less than the set point then pump overrun occurs. When the switched live switches on if the flow temperature is greater than the set point then pump overrun occurs.

  • Page 10: Technical Data

    Supplied by HeatingSpares247.com 4.0 Technical Data Max Gas Rate (2H - G20 - 20mbar) Appliance Type Electrical Supply 230V~ 50Hz (After 10 Mins) (Appliance must be connected to an Appliance Category CAT I earthed supply) (12) (15) (18) (24) (30) Btu/hr 40,950 52,000 61,400 75,000 102,980 Heat Input (Q)(Gross)

  • Page 11: Dimensions And Fixings

    Supplied by HeatingSpares247.com 5.0 Dimensions and Fixings DIMENSIONS A 600mm At Least 1.5° B 280mm C 390mm D 150mm Ø Min. E 162.5mm F 96mm 360° Orientation The 1.5° fall provided by the elbow is to allow condensate to run back to the boiler, for disposal through the condensate discharge pipe.

  • Page 12: System Details

    Supplied by HeatingSpares247.com 6.0 System Details Water Circulating Systems 1. The appliance is suitable for use with open vent fully pumped systems and sealed systems . The following conditions should be observed on all systems: • The static head must not exceed 30m (100ft) of water. •...
  • Page 13 Supplied by HeatingSpares247.com 6.0 System Details Copper Copper 0.5m 0.5m Flow Pipework Boiler Return Copper 1. The sizes of flow and return pipes from the boiler should be determined by normal methods, according to the Fig. 9 requirements of the system. The connections on the boiler are 22mm.
  • Page 14 Supplied by HeatingSpares247.com 230V Key to colours 50Hz - Blue 6.0 System Details Y Plan L N E - Brown Diverter Valve - White Cylinder Stat - Orange System Controls - Grey Room g/y - Green/Yellow Stat This boiler does not require a bypass. This boiler does not require a permanent live.
  • Page 15 15mm ( in) nominal size. using Potterton Boilers The volume of the vessel should be suitable for the system water content and the nitrogen or air charge Multiply Total pressure should not be less than the system static head (See Table.

  • Page 16: Site Requirements

    Supplied by HeatingSpares247.com 7.0 Site Requirements Location NOTE: Due to the high efficiency 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 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 Zone 2...
  • Page 17 Supplied by HeatingSpares247.com 390mm 5mm Min 5mm Min 7.0 Site Requirements Clearances (Figs. 15 &16) 200mm 1. A flat vertical area is required for the installation of the boiler. 2. These dimensions include the necessary clearances around the boiler for case removal, spanner access and air movement.
  • Page 18 Supplied by HeatingSpares247.com 7.0 Site Requirements Termination to an internal soil and vent pipe Condensate Drain Boiler 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.
  • Page 19 Supplied by HeatingSpares247.com Terminal Position with Minimum Distance (Fig. 17) (mm) 7.0 Site Requirements A a Directly below an opening, air brick, opening windows, etc. B a Above an opening, air brick, opening window etc. C a Horizontally to an opening, air brick, opening window etc. Flue D Below gutters, soil pipes or drain pipes.

  • Page 20: Flue Options

    Supplied by HeatingSpares247.com 8.0 Flue Options Horizontal Flue Systems Concentric The maximum equivalent lengths are 4m (horizontal) or (vertical). Their lengths exclude the standard elbow and flue/terminal assembly (horizontal) and terminal assembly (vertical). Any additional “in line” bends in the flue system must be taken into consideration.
  • Page 21 Supplied by HeatingSpares247.com Vertical Flue System Examples (Twin Pipe) 8.0 Flue Options Twin & Vertical Flue Systems Concentric The maximum equivalent lengths are 4m (vertical). Their lengths exclude the standard elbow and terminal assembly (vertical). Twin Flue The total maximum equivalent flue length is 150m. NOTE: Each 1m of flue duct should be calculated as 2m.
  • Page 22 Supplied by HeatingSpares247.com 8.0 Flue Options Flue Accessories Accessory Size Code No FLUE GROUP B Concentric Flue System 110mm diameter Horizontal Flue Terminal 850mm 243013BAX Horizontal Flue Terminal (incl elbow) 236921 Flue Extension 1000mm 241695 500mm 241694 250mm 241692 Flue Bend 93°...
  • Page 23 Supplied by HeatingSpares247.com 8.0 Flue Options For Vertical Flues For Vertical Flue Systems Vertical Flue Adaptor 1. Undo the screws securing the blanking plate to the boiler top panel. Discard the plate. Gasket 2. Fix the vertical adaptor and gasket to the top panel with the previously removed screws.
  • Page 24 Supplied by HeatingSpares247.com 8.0 Flue Options 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 Approx 1425mm an aperture in the roof suitable for the lower tube of the roof terminal and ensure the integrity of the roof cover is maintained.

  • Page 25: Plume Displacement

    Supplied by HeatingSpares247.com 9.0 Plume Displacement Plume Outlet (‘Peak’ MUST be Uppermost) Plume Displacement Kit (P.D.K.) Kit No 5121371 Content of kit 70/110 Concentric Flue 1m 70 Dia Exhaust Flue Pipe 0.94 metre Support Brackets 93° Elbow/Plume Outlet Assembly Flue Trim “O”...
  • Page 26 Support 70Ø Exhaust Bracket 45° Elbow Flue Length - Worked Example Potterton Promax 30 SL 93° Elbow In Fig. D opposite an additional 93° elbow and pair of 45° elbows have been included in the 70Ø exhaust. 1 metre Extension Also 3 straight extension pieces have been used.
  • Page 27 Supplied by HeatingSpares247.com 9.0 Plume Displacement General Fitting Notes - P.D.K. 1. Cut a hole in the external wall which the horizontal This section of the concentric flue assembly will pass through. flue MUST be horizontal 2. When completed the terminal must be at least 2 metres Min.
  • Page 28 Supplied by HeatingSpares247.com 9.0 Plume Displacement Plume Outlet General Fitting Notes - P.D.K. (cont.) Elbow 16. For aesthetic purposes it is permissible to route the 70Ø exhaust in an enclosed box, but the air inlet and plume outlet MUST remain in free air. 17.

  • Page 29: Installation

    Supplied by HeatingSpares247.com Template Literature Pack 10.0 Installation Wall Plate Check Site Requirements (section 7) before commencing. 10.1 Initial Preparation The gas supply, gas type and pressure must be checked for suitability before connection (see Section 7.4). Fig. 19a 1. Cut the banding and remove the fixing template, wall plate and literature pack (Fig.
  • Page 30 Supplied by HeatingSpares247.com 10.0 Installation 10.2 Preparing The Boiler 1. Remove the outer carton and packaging. 2. Lift the outercase upwards and remove. 3. Remove the internal packaging. Fig. 22a Internal Polystyrene Packaging Piece Lower Door Panel Outercase Break Off Upper & Lower Pipe Run Options Fig.
  • Page 31 Supplied by HeatingSpares247.com 10.0 Installation 10.3 Fitting The Boiler (Fig. 24) Retaining Bracket 1. Obtain retaining bracket and two M6 nuts from fitting bag. 2. Offer up the boiler to the wall plate using the lifting points shown in Fig. 24 and locate the rear bottom edge onto the self locating support at the base of the wall plate.
  • Page 32 Supplied by HeatingSpares247.com 10.0 Installation Wall Thickness 10.6 Making the Gas Connection 1. Connect the gas supply to the G in BSPT Internal) gas tap. This is located on the lower right side At Least 1.5° of the boiler, access by hinging down the PCB housing (see Fig.
  • Page 33 13. If necessary fit a terminal guard (see Section 8.8). Apply Lubricant for ease of assembly. Ensure Flue is fully engaged into Flue Elbow VERTICAL FLUEING 1. Only a flue approved with the Potterton Promax SL range can be used. Gasket Fig. 30 Flue Trim Fig.

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