11.0 ENVIRONMENTAL INFORMATION 12.0 SPARES STOCKISTS 1.0 INTRODUCTION Thankyou for purchasing a Heatrae Sadia Multipoint 30/50 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.
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WARNING: IF WATER FLOWS FROM THE PRESSURE RELIEF VALVE OR TEMPERATURE/PRESSURE RELIEF VALVE, THE ELECTRICITY SUPPLY MUST BE SWITCHED OFF IMMEDIATELY. CONTACT THE HEATRAE SADIA SERVICE TEAM (Tel: 0844 8711535) OR AN APPROVED INSTALLER. 1.2 PACK CONTENTS Before commencing installation check that all the following components have been supplied in the Installation Kit : •...
3.0 INSTALLATION 3.1 LOCATION 3.1.1 The Multipoint must be installed by a competent installer in accordance with Building Regulation G3. 3.1.2 National Wiring rules may contain restrictions concerning the installation of these units in bathrooms. 3.1.3 The unit should be vertically wall mounted using the wall bracket and levelling feet supplied.
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FIGURE 02: BRACKET & LEVELLING FEET POSITIONS 3.2 PLUMBING 3.2.1 Refer to the section IMPORTANT INSTALLATION POINTS. Plumb in the valves in the sequence shown in Figure 03. Ensure the valves are installed in the correct orientation by reference to the direction of flow arrows marked on them.
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FIGURE 03 SCHEMATIC: INSTALLATION DIAGRAM 3.3.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. The Tundish supplied and the discharge pipes should be fitted in accordance with the Requirements and Guidance Notes of Building Regulation G3.
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G3 GUIDANCE SECTION 3.9 The discharge pipe (D2) from the tundish should terminate in a safe place where there is no risk to persons in the vicinity of the discharge, preferably be of metal and: 1 Be at least one pipe size larger than the nominal outlet size of the safety device unless its total equivalent hydraulic resistance exceeds that of a straight pipe 9m long i.e.
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iv Where a single pipe serves a number of discharges, such as in blocks of flats, the number served should be limited to not more than 6 systems so that any installation discharging can be traced reasonably easily. The single common discharge pipe should be at least one pipe size larger than the largest individual discharge pipe (D2) to be connected.
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FIGURE 04: SCHEMATIC DISCHARGE PIPE ARRANGEMENT Safety device (e.g. Temperature relief valve) Metal discharge pipe (D1) from Temperature relief valve to tundish 500mm maximum Tundish Discharge below 300mm minimum (Building Regulation G3 section 3.9d gives alternative points of discharge) Discharge pipe (D2) from tundish, Fixed grating with continuous fall.
4.0 COMMISSIONING 4.1 PLUMBING 4.1.1 Do not switch on the electrical supply until the unit has been filled with water and checked for leaks. 4.1.2 Check that all installation, electrical and discharge pipe requirements have been met. 4.1.3 Check that all water and electrical connections are tight. 4.1.4 Open a hot water tap, turn on mains water supply to the heater.
Do not tamper with any safety valve fitted. If water discharges from any safety valve fitted, switch off the electrical supply to the unit immediately. Contact the Heatrae Sadia Service Team (Tel: 0844 8711535) or an approved installer. Do not turn the electrical supply on again until the unit has been checked and approved by a qualified installer.
Maintenance should be carried out by a competent person and any replacement parts used should be authorised Heatrae Sadia spare parts. Little maintenance is required, however in hard water areas the unit will require periodic descaling to ensure efficient operation. To descale the unit: Switch off and disconnect the electrical supply.
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The Temperature/Pressure Relief Valve and the Pressure (expansion) Relief Valve should be regularly checked. To check the valves: Manually operate the valves by either twisting the cap or lifting the lever. Ensure water flows freely from the valve(s) and through the discharge pipes (NOTE: the water discharged may be very hot).
7.0 FAULT FINDING Disconnect the electrical supply before removing the terminal cover. It is recommended that any service operations on the Multipoint heater are carried out by a competent person. FAULT POSSIBLE CAUSES ACTION Water not heating 1. Electrical supply fault 1.
8.0 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 - THIS WILL INVALIDATE YOUR GUARANTEE AND MAY RENDER THE INSTALLATION DANGEROUS.
1. The unit has been installed in accordance with these instructions and all necessary inlet controls and safety valves have been fitted correctly. 2. Any valves or controls are of Heatrae Sadia recommended type. 3. The unit has not been tampered with and has been regularly main- tained as detailed in these instructions.
In the UK this product can therefore be disposed of through commercial non-WEEE waste facilities. Heatrae Sadia does not accept any liability under the WEEE directive. This product is manufactured from many recyclable materials. At the end of its useful life it should be disposed of at a Local Authority Recycling Centre to realise the full environmental benefits.
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