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MEGAFLO

 

Eco SystemReady

MEGAFLO

 Eco SystemReady Product Guide

Hot Water Cylinders

Unvented Indirect

 

Summary of Contents for Eco SystemReady

Page 1: ...MEGAFLO Eco SystemReady MEGAFLO Eco SystemReady Product Guide Hot Water Cylinders Unvented Indirect...

Page 2: ...Unvented Hot Water Cylinder 2 Contents Product Specification Page 3 Installation and Commissioning Instrucions Page 12 Maintenance and Servicing Page 27 User Guide Page 36...

Page 3: ...Unvented Hot Water Cylinder 3 Introduction Checklist General Requirements Water Supply Power Supply The Environment Specification and Dimensions PRODUCT SPECIFICATION 1...

Page 4: ...lding Regulation Part L The Megaflo eco SystemReady SB unvented water heater can be fed directly from the cold water mains supply to the property without the need for separate feed cisterns or vent pi...

Page 5: ...SB unit are contained in the package The following components are supplied Factory Fitted Immersion heater s and thermal controls 8 Bar pressure relief valve incorporating a check valve Figure 5 page...

Page 6: ...convenient provided the discharge pipe s from its safety valves can be correctly installed Areas that are subject to freezing must be avoided Ensure that the floor is of sufficient strength to support...

Page 7: ...must be carried out in accordance with the relevant requirements of The appropriate Building Regulations Either The Building Regulations England The Building Regulations Scotland or Building Regulati...

Page 8: ...sure 90 C 1MPa 10 bar Immersion heater rating a c supply only 3kW 240V 50Hz 2 8kW 230V 50Hz Outer casing White textured plastic coated corrosion resistant steel Water container Duplex stainless steel...

Page 9: ...T SPECIFICATION 1 Figure 2 Megaflo eco SystemReady Indirect Dimensions Plan View Indirect Model s 125 145 170 210 250 300 Energy efficiency class B B B B C C Storage volume V in litres 125 0 145 0 170...

Page 10: ...TION 1 Table 3 Technical Specification NOTE Coil heating performance based on a primary flow rate of 15L min at 80 C Temperature rise is from 15 C to 60 C SIZE UNIT WEIGHT kg EMPTY FULL COIL SPECIFICA...

Page 11: ...Unvented Hot Water Cylinder 11 PRODUCT SPECIFICATION 1 PRODUCT SPECIFICATION 1 NOTES...

Page 12: ...Unvented Hot Water Cylinder 12 INSTALLATION AND COMMISSIONING INSTRUCTIONS 2 General Installation Commissioning...

Page 13: ...4 page 14 which will enable the Megaflo eco SystemReady SB to be isolated from the mains supply for maintenance or servicing To close the valve the blue handle should be turned so that it lies at 90 t...

Page 14: ...utlets should be taken before the valve to avoid the possibility of warm expanded water being drawn from the tap Figure 4 3 Bar Pressure Reducing Valve with Stopcock Figure 5 8 Bar Pressure Relief Val...

Page 15: ...Valve Strainer and Check Valve Stop cock can be fitted here MCWS to Kitchen unbalanced cold mains supply Incoming Cold Water Main KEY MCWS Mains cold water supply HWS Hot water service SC Stop Cock Is...

Page 16: ...ary due to system design Secondary Circulation If a secondary circulation system is required it is recommended that it be connected to the Megaflo eco SystemReady SB as shown in Figure 7 below The sec...

Page 17: ...arnings i Under no circumstances should the factory fitted temperature pressure relief valve be removed other than by authorised heateam personnel To do so will invalidate any guarantee or claim ii Th...

Page 18: ...sizes larger than the nominal outlet size of the safety device between 18 and 27m at least 3 sizes larger and so on bends must be taken into account in calculating the flow resistance See Diagram 1 T...

Page 19: ...scharge pipe D2 for common T P Relief Valve sizes Figure 9 Schematic discharge pipe arrangement INSTALLATION AND COMMISSIONING INSTRUCTIONS 2 Discharge Pipework It is a requirement of Building Regulat...

Page 20: ...28mm pipe D2 from a G1 2 temperature relief valve equates to 18m Subtract the resistance of 4 No 28mm elbows at 1m each 4m Therefore the maximum permitted length equates to 14m As the actual length is...

Page 21: ...d identified in the wiring centre to enable any wiring to be connected to the same central position The mains supply must be via a double pole isolating switch with a contact separation of at least 3m...

Page 22: ...Layout L N 1 2 3 Control Housing Details Element connections 1 5mm 3 core HOFR sheathed cable Indirect control wiring Thermal cut out reset button Spindle positions Minimum temp Maximium temp Approx...

Page 23: ...S SUPPLIED FITTED FUSED 3 AMP MAINS SUPPLY N B A DOUBLE POLE ISOLATING SWITCH MUST BE INSTALLED IN THE MAINS SUPPLY NOTES 1 ALL EARTH CONNECTIONS MUST BE LINKED BACK TO THE EARTH TERMINALS IN THE WIRI...

Page 24: ...be closed and the levers on the motorised valves returned to the AUTO position Vent any trapped air NOTE the radiators and boiler should be separately vented the auto air vent will not vent all air at...

Page 25: ...ted and signed off by the competent installer or commissioning engineer in the relevant sections The various system features location of system controls user instructions and what to do in the event o...

Page 26: ...Unvented Hot Water Cylinder 26 NOTES INSTALLATION AND COMMISSIONING INSTRUCTIONS 2...

Page 27: ...Unvented Hot Water Cylinder 27 Maintenance Fault Finding Servicing Spares Benchmark MAINTENANCE AND SERVICING 3...

Page 28: ...oint below the level of the unit at least one metre below the unit is recommended Open hot water tap nearest to the Megaflo eco SystemReady SB to relieve the system pressure Open drain cock If water f...

Page 29: ...Res et by pus hing button on c ut out Chec k operation of indirec t therm os tat Figure 13 page 22 4 INDIRE CT m otoris ed valve not c onnec ted c orrec tly 4 Chec k wiring and or plum bing c onnec t...

Page 30: ...ordered Description Part no Cold Water Inlet Control Kit Complete 95 605 894 3 Bar Pressure Reducing Valve Complete 95 605 886 8 Bar Pressure Relief Valve Complete 95 605 893 Stopcock 95 605 885 Immer...

Page 31: ...loded View of 8 Bar Pressure Relief Valve Isolating valve can be used either with 3 bar inlet control valve or 8 bar pressure relief valve 95605885 Figure 17 Exploded View of Isolating valve Pressure...

Page 32: ...lower Mounting plate indirect Direct combined thermostat and thermal cut out 6 Way terminal block 95 612 717 95 607 931 95 614 118 95 607 940 95 611 822 95 606 984 95 607 933 Indirect Control Assembl...

Page 33: ...3 Figure 19 SystemReady Exploded View 8 bar pressure relief valve 95 605 893 Filling loop and connections 95 607 096 2 port motorised valve 22mm connections 95 605 819 Wiring centre 95 612 702 Drain...

Page 34: ...Unvented Hot Water Cylinder 34 MAINTENANCE AND SERVICING 3...

Page 35: ...Unvented Hot Water Cylinder 35 MAINTENANCE AND SERVICING 3...

Page 36: ...ingfield Road Hayes Middlesex UB40 0TY Parts Center Network 65 Business Park Bentley Wood Way Burnley Lancashire BB11 5ST Tel 01282 834403 www partscenter co uk Newey Eyre Specialist Products Division...

Page 37: ...Unvented Hot Water Cylinder 37 User Instructions Guarantee Customer Service USER GUIDE 4...

Page 38: ...NT INSTALLER FOR UNVENTED WATER HEATERS TO CHECK THE SYSTEM DO NOT TAMPER WITH ANY OF THE SAFETY VALVES FITTED TO THE MEGAFLO ECO SystemReady SB IF A FAULT IS SUSPECTED CONTACT A COMPETENT INSTALLER I...

Page 39: ...ng valve on the 3 bar pressure reducing valve if fitted at this point or at the 8 bar pressure relief valve if fitted there Turn the blue handle so that it lies at 90 to the direction of flow see Figu...

Page 40: ...nsion vessels immersion heaters fittings and controls are covered by a two year warranty from the date of purchase of the MEGAFLO product that includes both parts and labour Accessories Shower heat re...

Page 41: ...with the product Evidence of purchase for example a receipt or delivery note and date of supply is submitted when making a claim The MEGAFLO product has not been affected by any cause beyond our reaso...

Page 42: ...operty be sold the new owner and any subsequent owners will receive a 30 year warranty from the date the original owner purchased the MEGAFLO or new home with a MEGAFLO installed In non domestic prope...

Page 43: ...Unvented Hot Water Cylinder 43 USER GUIDE 4 Notes...

Page 44: ...36006169 _issue_04 Customer service Telephone 0344 8711535 Facsimile 0344 8711528 E mail megafloservice heateam co uk Megaflo Hurricane Way Norwich Norfolk NR6 6EA...

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