Fitting Instructions and User Guide Multipoint Instantaneous
Contents
1. Figure 6 11 7 0 FAULT FINDING YOUR HEATRAE SADIA MULTIPOINT INTANTANEOUS SHOULD GIVE TROUBLE FREE OPERATION HOWEVER SHOULD A FAULT OCCUR THE TABLE BELOW SHOULD ALLOW MOST FAULTS TO BE IDENTIFIED FAULT FINDING SHOULD ONLY BE CARRIED OUT BY A COMPETENT PERSON SYMPTOM 1 Water too hot 2 Water too cold 3 Temperature varies while showering cycling hot cold Power indicator not lit Isolating switch ON but its neon not lit Water emerges from expansion relief valve No water flows with valve open POSSIBLE CAUSE A Water flow too low A Electrical power to the Multipoint heater is off B Water flow too high C Element fault A Pressure switch is operating B Input pressure is below 1 0 bar 14 5psi flow is not stable A Cartridge fuse or miniture circuit breaker mcb has operated in your fusebox or consumer unit or switch fuse Residual current device rcd or earth leakage circuit breaker has operated A Expansion relief valve has operated A Water supply turned off B Unit frozen REMEDY Increase the flow by turning the water control Ensure that the electrical supply to the Multipoint Instantaneous is switched on and the neon are lit Reduce the flow by adjusting the water control isolating valve Check for open circuit Check water pressure flow Ensure that your stop cock and servicing valve are ope2. 95 612 036 4 Pressure differential switch assembly 7kW 95 613 005 Pressure differential switch assembly 9kW 95 613 004 Pressure differential switch assembly 12kW 95 613 006 5 Multipoint instantaneous 95 614 108 6 Neon 2 95 615 058 7 Inlet DOSS 95 607 106 8 Outlet boss 95 607 109 9 Terminal n 95 607 249 Figure 7 13 9 0 GUARANTEE This Multipoint instantaneous water heater is guaranteed for a period of two years from the date of purchase provided 1 The unit has been installed in accordance with these instructions and all necessary inlet vent and electrical connections 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 maintained as detailed in the maintenance instructions 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 descale a unit this work will be chargeable This guarantee does not affect the statut
3. ST The quality name in water heating Multipoint Instantaneous Fitting Instructions and User Guide 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 This Heatrae Multipoint Instantaneous water heater must be installed Sections 1 4 commissioned Section 5 and maintained Section 7 by a competent person Please read and understand these instructions prior to installing your Heatrae Multipoint Instantaneous Particular attention should be paid to the section headed important installation points Section 1 This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision or instruction concerning the use of the appliance by a person responsible for their safety Children should be supervised to ensure that they do not play with the appliance COMPONENT CHECKLIST Before commencing installation check that all the following components have been supplied with your Multipoint Instantaneous water heater Heater Fixing screws and plugs e Expansion relief valve 1MPa 10bar Tee piece Pressure reducing valve 2 5bar for 7kW only Installation and User Ins
4. a maximum of 0 25Mpa 2 5bar 9kW and 12kW heaters have an operational pressure range of 0 1Mpa 1bar to 0 7Mpa 7 0bar Both inlet and outlet connections are suitable for 15mm diameter copper pipe 2 2 The tee piece and expansion relief valve must be situated where shown see figure 3 and the relief valve discharge port plumbed via an air break tundish to a safe visible place where there is no risk to persons 2 3 The discharge pipe must fall continuously from the valve outlets and be unobstructed 2 4 The provision of a service stop valve the cold supply pipe will assist in the event of any subsequent servicing or maintenance 2 5 To obtain optimum performance flow restrictor isolating ball valve must be fitted where shown see figure 3 This provides temperature control during commisioning see 5 3 SETTING FLOW RATE OUTLET VALVE FLOW RESTRICTOR MULTIPOINT INSTANTANEOUS EXPANSION RELIEF VALVE SERVICES STOP VALVE PRESSURE REDUCING VALVE 2 5bar PRV SUPPLIED WITH 7kW HEATER MUST BE INSTALLED gt Figure 3 3 0 INSTALLATION ELECTRICAL 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 electric
5. plate to the wall ensuring that it is level 9 4 15 Connect all other components as per Figure 3 4 16 Turn the isolating stop valve on slowly and check for leaks in all pipe work rectify as necessary 4 17 Turn 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 restrictor Open the stop valve and open the flow restrictor allowing all air to be purged When all air is purged switch the power on wait for a few seconds while the water is heated and adjust flow restrictor to suit the required temperature Remember the outlet valve is fully opened at this point so the required temperature may need further adjustment 5 4 Itis important to note when setting the flow rate temperature that 48 C is the point at which the average person cannot hold his or her hand under a stream of water Under most circumstances water temperature ne
6. al 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 3 6 Check that your consumer unit main fuse box 1 has a main switch rating of 80A or above 2 has a spare fuse way which will take the fuse mcb you need to fit see Figure 4 If so you can wire the Multipoint Instantaneous direct to the spare fuse of your consumer unit via a suitable rated isolated switch see Figure 4 Note that not all consumer units will accept a 35 40 45A sized fuse 3 7 3 8 3 9 If point 3 6 1 and 2 are not achievable the installation is not straight forward since it could involve installing a new consumer unit to serve the whole house or just the Multipoint Instantaneous You will need to call in your Regional Electricity Company to check the circuit and make the connections to the meter or service connector block They should also check the earth bonding of items in the vicinity A residual current device rcd formerly known as an earth leakage circuit breaker elcb with a tripping current of 30mA must be incorporated in the circuit A double pole isolating sw
7. d 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 Please read and understand these instructions before starting work and retain them for later use DO NOT operate the appliance if it is frozen or suspected of being frozen See fault finding table These heaters are of the closed outlet type unvented pressure system and are suitable for connection to normal cold water mains supplies up to a maximum of 0 25MPa 2 5bar for 7kW 0 7MPa 7 0bar for 9 and 12 kW DO NOT operate the appliance if 1 Water ceases to flow during use 2 Water has entered inside the unit because of an incorrectly fitted cover 3 If the appliance is damaged in all cases turn off mains power and isolate water supply ISOLATE the electrical and water supplies before removing the cover ISOLATE the electrical and water supplies BEFORE proceeding with installation or servicing The product is NOT SUITABLE for mounting into steam rooms or steam cubicles The installation must be carried out in accordance with the relevant requirements of The appropriate Building Regulations either The Building Regulations The Building Regulations Scotland or Building Regulations Northern Ireland The Water Fittings Regulations or Water Byelaws in Scotland The IEE Wiring Regulations 57671 CAUTION 1 10 It is r
8. ecommended that persons who may have difficulty understanding or operating the controls should not be left unattended whilst using the appliance Special consideration should be given to young children and persons with reduced physical sensory or mental capabilities 1 11 Only use designated entry points for cable and pipe PLUMBING 1 12 The 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 once the pipe work is located in the appliance as heat transfer can damage components 1 15 All plumbing connections must be completed and checked for leaks before making the electrical connections ELECTRICAL 1 16 Before 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 1 17 The installation must comply with the latest BS 7671 Requirements for Electrical Installations IEE Wiring Regulations 1 18 This appliance must be earthed 1 19 Aresidual current device rcd formerly known as an earth leakage circuit breaker elcb with a tripping current of 30mA must be incorporated in the circuit 2 0 INSTALLATION WATER SUPPLY WATER REQUIREMENTS 2 1 All 7kW heaters must be installed using the supplied 2 5bar pressure reducing valve and have a cold supply minmum pressure of 0 1Mpa 1bar
9. ed not be higher than this and it is recommended that this temperature is not exceeded 5 5 These heaters will supply only one outlet at any time and must be controlled by a single outlet valve DO NOT USE WITH MIXER VALVES 10 6 0 MULTIPLE INSTALLATION 6 1 6 2 6 3 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 recieve acceptable flow rates 2 5ltr min recomended DO NOT plumb these heaters in series To set the heaters in this arrangement use the appropriate procedure as described previously Each heater in parallel must be set individually 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 NOTE In this application it is advisable especially where low flow rates exist to plumb the cold manifold in 22mm pipe with 15mm pipe spurs to each heater RESTRICTORS F PRESSURE REDUCING VALVE FITTED FOR 7kW VERSION ONLY D EXPANSION RELIEF VALVES G COLD WATER SUPPLY MANIFOLD E SERVICE STOP VALVE H HOT WATER SUPPLY MANIFOLD
10. itch rated at 30A for 7kW 40A for 9kW and 50A for 12kW with a contact separation of at least 3mm in each pole must be incorporated in the circuit This must have a mechanical indicator showing when the contacts are open An indicator lamp alone is not sufficient Only cord operated switches are fitted in bathrooms Double pole isolating switch pull cord or wall mounted in accordance with IEE regulations Make cut out using sharp knife OI rcp can be part of the a consumer unit Multipoint Instantaneous unit use rear entry when it is possible S 80A or 100A main switch Figure 5 Rear cable entry Figure 4 Consumer unit Meter tails 4 0 INSTALLATION MOUNTING PREPARATION 4 1 Remove the fixing screw which holds the front cover onto the back plate of the Multipoint Instantaneous heater Carefully remove the cover 4 2 The unit must be mounted on a flat surface which covers the full width and length of the back plate It is important that the wall surface is flat otherwise difficulty may be encountered when fitting the cover 43 DO NOT fit the Multipoint Instantaneous to the wall and tile up to the case It must be fitted on to a finished flat and even wall surface This allows removal for servicing CABLE ENTRY 4 4 Cable entry can be from the rear see Figure 5 or from the bottom When opti
11. ned fully Switch off Multipoint Instantaneous and isolating switch Renew fuse reset the mcb If they operate a second time contact a qualified electrician Follow the same procedure as above If this has happened with a split load consumer unit on initial installation check that the 1 Switch off immediately at isolating switch 2 Turn water off at the servicing valve if fitted or stop valve 3 Contact Santon Service Department Turn on water supply Turn OFF ELECTRICITY at isolating switch and contact installer DO NOT USE THE MULTIPOINT INSTANTANEOUS For any faults that cannot be identified using the Fault Finding chart please contact the Heatrae Sadia Service Department telephone 0844 871 1535 fax 0844 871 1528 12 8 0 SPARE PARTS The following comprehensive list of spare parts is available for your Multi point 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 DO NOT REPLACE WITH PARTS NOT RECOMMENDED BY HEATRAE SADIA THIS WILL INVALIDATE YOUR GUARANTEE AND MAY RENDER THE INSTALLATION DANGEROUS Description Code No 1 Heat Exchanger 7 95 606 965 Heat Exchanger QKW 95 606 966 Heat Exchanger 12 95 606 970 2 Temperature limiter Troisco 95 612 035 3 Temperature limiter 2
12. ng for bottom entry make cut out to suit cable before fitting back plate to the wall 4 5 Fix the Multipoint Instantaneous heater loosely to the wall The wallplugs provided are suitable for most brick walls use a 6 5mm diameter masonry drill but if your wall is plasterboard or soft building block you should use special wallplugs and an appropriate drill obtainable from most hardware stores 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 Ensure that the pipe is the correct length as shortening it can be difficult once joints have been made 4 8 An isolating stop valve MUST be incorporated to the main water supply to comply with Water Regulations 4 9 Assemble the installation before making any soldered joints DO NOT use jointing compounds on any pipe fittings for the installation 4 10 Remove the unit before soldering the connections 4 11 Itis essential to flush the pipe in order to clear debris particles of solder and swarf 4 12 Turn the water off after flushing using the isolating stop valve 4 13 Connect the cold water supply pipe to the inlet of the Multipoint Instantaneous this is a 1 2 BSP connection 4 14 Fit top and bottom screws and secure the back
13. ory rights of the consumer The policy of Heatrae Sadia is one of continuous product development and as such we reserve the right to change specifications without notice ENVIRONMENTAL INFORMATION 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 14 Notes Spares Stockists For the fast and efficient supply of spares please contact the stockists listed below Electric Water Heating Co 2 Horsecroft Place Pinnacles Harlow Essex CM19 5BT Tel 0845 0553811 E Mail sales ewh co uk SPD Units 9 amp 10 Hexagon Business Centre Springfield Road Hayes Middlesex UB40 Tel 020 8606 3567 Parts Center Tel 0845 270 9801 www partscenter co uk Newey amp 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 HEATRAE SADIA ervice SSE a a The quality name in water heating Service Fax Heatrae Sadia Heating Hurricane Way Norwich NR6 6EA www heatraesadia com A division of BAXI GR UP 2009 Service Email 0844 335 6394 0844 871 1543 0844 871 1535 0844 871 1528 heatraesadiaservice heateam co uk 36 00 6037 Issue 4
14. tructions TECHNICAL SPECIFICATIONS Model numbers 7 0kW 95 050 424 9 0kW 95 050 425 12 0kW 95 050 426 Electrical rating 6 4 7 0kW 230 240V o 8 2 9 0 kW 230 240V U 11 0 12 0kW 230 240V Rated pressure 7kW Minimum supply pressure 0 1Mpa 1 bar Maximum supply pressure 0 25Mpa 2 5 bar 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 Dimensions Height 210mm Width 160mm Depth 104mm STANDARDS AND APPROVALS Complies with the requirement of EN 60335 2 35 British Electro technical Approvals Board BEAB approved Complies with European Community Directives CE Complies with UK water regulations kiwa approved red Neon black r Inner _ container green yellow A Pressure TKW 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 CUT OUT DIFFERENTIAL PRESSURE SWITCH ASSEMBLY MAINS CONNECTOR BLOCK WATER CONTAINER ASSEMBLY CABLE GRIP DRAIN PLUG TKW 9KW 12kW Figure 2 1 0 IMPORTANT INSTALLATION POINTS 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 Products manufactured by Heatrae Sadia are to British an
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