Heatrae Sadia Multipoint 75 Fitting Instructions And User Manual
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Heatrae Sadia Multipoint 75 Fitting Instructions And User Manual

Heatrae Sadia Multipoint 75 Fitting Instructions And User Manual

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MULTIPOINT 75 / 100
Fitting Instructions and User Guide
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Summary of Contents for Heatrae Sadia Multipoint 75

  • Page 1 MULTIPOINT 75 / 100 Fitting Instructions and User Guide...

  • Page 2: Technical Specifications

    INTRODUCTION Thank you for purchasing a Heatrae Sadia Multipoint 75 / 100 unvented water heater. The Multipoint water heater is manufactured in the UK to the highest standards and has been designed to meet all the latest relevant safety specifications.

  • Page 3: Component Checklist

    COMPONENT CHECKLIST Before commencing installation please check that the following components have been supplied in the Installation Kit: • Combined pressure reducing valve and strainer (x1) • Tundish (x1) • Mounting brackets (x2) • Mounting bracket fixing bolts (x6) A B C 1 TEMPERATURE / PRESSURE RELIEF VALVES 2 OUTLET...

  • Page 4: Important Installation Points

    WARNING: IF WATER FLOWS FREELY FROM THE PRESSURE RELIEF VALVE OR THE TEMPERATURE/PRESSURE RELIEF VALVES, THE ELECTRICITY SUPPLY MUST BE SWITCHED OFF IMMEDIATELY. CONTACT THE HEATRAE SADIA SERVICE TEAM (TEL: 01603 420330) OR AN APPROVED INSTALLER. 2.0 GENERAL REQUIREMENTS: 2.1 The Multipoint must be vertically wall mounted using the wall bracket supplied.

  • Page 5: Wall Mounting

    3.0 WALL MOUNTING 3.1 Fit the heater wall brackets to the rear of the unit using the bolts provided (see Figure 2, step 1 below). 3.2 Using Figure 1 and the dimensions table as a guide mark the positions of the fixing points.
  • Page 6 Pressure Reducing Valve. 4.6 Plumbers Paste must not be used as it can impair the operation of the valves. Temperature / Pressure Relief Valves Multipoint 75 / 100 Water Heater Balanced Cold Water Draw Off Service...
  • Page 7 5.0 ELECTRICAL WARNING: THIS APPLIANCE MUST BE EARTHED. IT IS SUITABLE FOR A.C. SUPPLY ONLY. DISCONNECT THE ELECTRICAL SUPPLY BEFORE REMOVING THE BASE COVER. INSTALLATION MUST BE IN ACCORDANCE WITH THE CURRENT I.E.E. REGULATIONS. 5.1 The unit is supplied fitted with a 2.0m 3 core 1.5mm flexible cable (3kW models) or 2.0m 3 core 4.0mm flexible cable (6kW models).
  • Page 8 6.0 DISCHARGE It is a requirement of Building Regulation G3 that any discharge from an unvented system is conveyed to where it is visible, but will not cause danger to persons in or about the building. G3 REQUIREMENT “...there shall be precautions...to ensure that the hot water discharged from safety devices is safely conveyed to where it is visible but will not cause danger to persons in or about the building.”...
  • Page 9 ii Downward discharges at low level; i.e. up to 100mm above external surfaces such as car parks, hard standings, grassed areas etc. are acceptable providing that where children may play or otherwise come into contact with discharges a wire cage or similar guard is positioned to prevent contact, whilst maintaining visibility.
  • Page 10 MINIMUM SIZE OF MINIMUM SIZE OF RESISTANCE CREATED BY VALVE OUTLET MAXIMUM RESISTANCE DISCHARGE PIPE D1 DISCHARGE PIPE D2 EACH ELBOW OR BEND SIZE ALLOWED, EXPRESSED FROM TUNDISH AS A LENTGH OF STRAIGHT PIPE (I.E. NO ELBOWS OR BENDS G 1/2 15MM 22mm UP TO 9M...

  • Page 11: Maintenance

    7.0 COMMISSIONING 7.1 Do not switch on the electrical supply until the Multipoint has been filled with water and checked for leaks. 7.2 Check that all installation, electrical and discharge pipe requirements have been met. 7.3 Check that all water and electrical connections are tight. 7.4 Open a hot water tap, turn on mains water supply to the Multipoint.
  • Page 12 8.8 Remove any loose scale from the container. Carefully clean off any scale from the element and thermostat pocket. DO NOT clean scale from interior container walls. 8.9 Re-assemble the element plate assembly fitting a new sealing gasket. Rewire the unit with reference to Figure 4 (wiring diagram). 8.10 Repeat this for both element plate assemblies.

  • Page 13: Fault Finding

    8.17 Remove dust cap from top of Expansion Vessel. 8.18 Check pre-charge pressure using a tyre pressure gauge. If the pressure is lower than 3.5 bar (51 p.s.i.) it should be recharged using a tyre pump (Schraeder Valve type). DO NOT OVER CHARGE. 8.19 Re-check pressure and when correct replace dust cap.

  • Page 14: Spare Parts

    10.0 SPARE PARTS The following comprehensive list of spare parts is available for your Multipoint water heater. Please refer to the Rating Label on the side of your heater before ordering to ensure the correct spare part is obtained. DO NOT REPLACE WITH PARTS NOT RECOMMENDED BY HEATRAE SADIA.

  • Page 15: User Instructions

    A Thermostatic Blending Valve can be used in conjunction with the Multipoint Water Heater. Heatrae Sadia supply both TMV2 approved (Pack U3, code number 95 970 354) and TMV3 approved (Pack U7 95 970 360) Thermostatic Blending Valves.

  • Page 16: Spares Stockists

    Unit 3A, 780 South Street, Whiteinch, Glasgow, G14 0SY Tel: 0141 4341530 Main No: 01603 420100 Main Fax: 01603 420218 Sales: 01603 420110 Sales Fax: 01603 420149 Service: 01603 420330 Heatrae Sadia Heating Service Fax: 01603 420349 Hurricane Way Norwich NR6 6EA www.heatraesadia.com 36005917 issue 2...

This manual is also suitable for:

Multipoint 100

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