Heatrae Sadia Multipoint Instantaneous Fitting Instructions Manual
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Heatrae Sadia Multipoint Instantaneous Fitting Instructions Manual

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Summary of Contents for Heatrae Sadia Multipoint Instantaneous

  • Page 1 ® Multipoint Instantaneous ® Fitting Instructions...

  • Page 2: Component Checklist

    INTRODUCTION Thank you for purchasing a Heatrae Multipoint Instantaneous. The unvented pressure system water heater is manufactured to the highest standards and has been designed to meet all the latest relevant safety specifications. Please read and understand these instructions before starting work.

  • Page 3: Technical Specifications

    TECHNICAL SPECIFICATIONS Model numbers 7.0kW - 95 050 424 9.0kW - 95 050 425 12.0kW - 95 050 426 Connections Inlet / Outlet connection - 1/2” BSP male Water entry point - bottom Cable entry point - bottom or rear Electrical rating 6.4 - 7.0kW 230 - 240V 8.2 - 9.0 kW 230 - 240V 11.0 - 12.0kW 230 -240V Rated pressure 7kW / 9kW / 12kW Minimum supply pressure 0.1Mpa (1 bar) Maximum supply pressure 0.7Mpa (7.0 bar) Enclosure rated IP X5 Materials Backplate, cover - ABS Element(s) - copper sheathed rod type Inner container - glass reinforced nylon Dimensions Height - 210mm Width - 160mm Depth - 104mm STANDARDS AND APPROVALS Complies with the requirement of EN 60335-2-35.
  • Page 4 Neon black Inner container green/yellow Terminal block Pressure 7kW / 9kW / 12kW switches Figure 1 - Wiring Diagram FIXING HOLES (3 NOS.) TEMPERATURE LIMITER 2 (OVER TEMP CUT-OUT) TEMPERATURE LIMITER 1 (ONE SHOT OVER TEMP DIFFERENTIAL PRESSURE CUT-OUT) SWITCH ASSEMBLY NEON MAINS CONNECTOR BLOCK WATER CONTAINER...

  • Page 5: Important Installation Points

    1.0 IMPORTANT INSTALLATION POINTS 1.1 Products manufactured by Heatrae Sadia are to British and European Standards.These appliances are safe and without risk, provided they are installed, used and maintained in good working order in accordance with our instructions and recommendations. 1.2 Please read and understand these instructions before starting work and retain them for later use.

  • Page 6: Installation - Water Supply

    PLUMBING 1.12 T he plumbing installation must comply with Water Regulations. 1.13 The supply pipe must be flushed to clear debris. 1.14 DO NOT solder pipes or fittings within 300mm of the heater once the pipe work is located in the appliance, as heat transfer can damage components. 1.15 A ll plumbing connections must be completed and checked for leaks before making the electrical connections. ELECTRICAL 1.16 B efore fitting the appliance, ensure that the consumer unit and any switches are suitable for the additional load. If in doubt, contact your electricity supplier or a qualified electrician.

  • Page 7: Installation - Electrical Requirements

    REQUIREMENTS ELECTRICAL REQUIREMENTS 3.1 This appliance must be earthed. 3.2 The installation, supply cable and circuit protection must conform to the latest BS7671 ‘Requirements for electrical installations’ (IEE Wiring Regulations). 3.3 The Multipoint Instantaneous heater must only be connected to a 230/240V ac supply. 3.4 Before making any electrical connections within the installation, make sure that no terminal is live. If in doubt, SWITCH OFF the whole installation at the consumer unit or switch fuse (where fitted). 3.5 The Multipoint Instantaneous heater must be connected to its own independent electrical circuit.
  • Page 8 IEE regulations Make cut-out using sharp knife RCD (can be part of the consumer unit) Multipoint Instantaneous unit (use rear entry when it is possible) Figure 5 - Rear cable entry 80A or 100A main switch Meter Meter ‘tails’...

  • Page 9: Installation - Mounting

    PLUMBING 4.6 Decide where to connect to the water mains for your feed to the Multipoint Instantaneous. Ensure that the pipe you have selected is not a gas pipe, a hot water pipe, or from a cold water storage tank. 4.7 Cut the necessary pipe work to length, offer up to the installation before making any soldered joints.
  • Page 10 4.15 Connect all other components as per Figure 3. 4.16 T urn the isolating stop valve on slowly and check for leaks in all pipe work, rectify as necessary. 4.17 T urn off the isolating stop valve. 4.18 Place the cover onto the back plate. 4.19 Secure the cover to back plate using screw provided. 5.0 COMMISSIONING 5.1 Once installed, the heater will operate automatically when the outlet valve is opened. The valve must be opened fully to obtain the set flow/temperature. Reduced flow at the outlet will result in hotter water being delivered. 5.2 On closing the outlet valve the heating element will automatically shut down provided this tap has been fully turned off by the user. SETTING FLOW RATE 5.3 To set the flow rate, make sure the water and power are turned off. Open the outlet valve fully (see figure 3) and close the flow...

  • Page 11: Multiple Installation

    6.0 MULTIPLE INSTALLATION 6.1 When larger volumes of water are required than can be provided by one heater, multiple installations can be made by connecting a number of heaters in PARALLEL of the cold feed manifold (See Figure 6). This is the ONLY method that is recommended provided all heaters receive acceptable flow rates (2.5ltr/min recommended). DO NOT plumb these heaters in series. 6.2 To set the heaters in this arrangement use the appropriate procedure as described previously. Each heater in parallel must be set individually. 6.3 In this application restrictors capable of closing flow completely should be used so that as each heater is set in turn, the other heaters in the installation may be isolated.

  • Page 12: Fault Finding

    "split load" consumer (earth leakage unit on initial installation, check that the circuit breaker) neutral core of the Multipoint Instantaneous feed cable has operated is connected to the "protected" neutral bar of the unit 5. Water emerges A.

  • Page 13: Spare Parts

    8.0 SPARE PARTS The following comprehensive list of spare parts is available for your Multipoint instantaneous water heater. Please refer to the rating label on the right hand side of your heater before ordering to ensure the correct spare parts are obtained.

  • Page 14: Environmental Information

    4. The unit has been used only for heating potable water. The unit is not guaranteed against damage by frost or due to the build up of scale. Please note that if Heatrae Sadia personnel or agents are requested to de scale a unit, this work will be chargeable. This guarantee does not affect the statutory rights of the consumer.
  • Page 15 Notes:...

  • Page 16: Spares Stockists

    Newey & Eyre Specialist Products Division Please contact your local branch UK Spares Ltd. Tower Lane, Warmley Bristol, BS30 8XT Tel: 0117 961 6670 William Wilson Ltd. Unit 3A, 780 South Street Whiteinch, Glasgow, G14 OSY Tel: 0141 434 1530 ® Sales: 0844 335 6394 Sales Fax: 0844 871 1543 Service: 0844 871 1535 Service Fax: 0844 871 1528 Service Email: heatraesadiaservice@ heateam.co.uk Heatrae Sadia Heating Hurricane Way Norwich NR6 6EA www.heatraesadia.com 36 00 6037 Issue 5 © 2009...

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