MEGAFLO Eco SolaReady, Product Manual

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

Page 2: ...15 Direct model 17 Indirect model 18 Installation of solar differential temperature controller 21 Commissioning Commissioning 22 Commissioning of solar primary system 23 Commissioning of hydraulic st...

Page 3: ...nels its temperature is raised The heated fluid is circulated through a heat exchanger coil in the base of the Megaflo Eco SolaReady solar storage cylinder transferring the heat gained to the stored w...

Page 4: ...cotland or Building Regulation P5 Northern Ireland and the Water Fitting Regulations England and Wales or Water Byelaws Scotland Following Installation and Commissioning the operation of the heater sh...

Page 5: ...team heating plant unless additional and appropriate safety devices are installed Ascending spray type bidets or any other Class 5 back syphonage risk requiring that a Type AA AB AD or AG air gap be e...

Page 6: ...s product is made from many recyclable materials therefore at the end of its useful life it should be disposed of at a Local Authority Recycling Centre in order to realise the full environmental benef...

Page 7: ...5 175 0 79 22 5 19 24 5 Table 2 Size Unit weight kg Auxiliary volume litres Heat up times mins Empty Full Lower 3kW Upper and lower 6kW Upper 3kW 260 47 3 307 3 170 178 89 60 780 770 C B A F D DIMENS...

Page 8: ...is no requirement to site it close to the unit it can be located at a point where the mains supply enters the premises if this is more convenient but you must install a non return valve just after the...

Page 9: ...e plumbed to the inlet connection of the Megaflo Eco SolaReady unit No other valve should be fitted between the Pressure Relief Expansion Valve and the cylinder inlet Outlet to Megaflo eco Solar Mains...

Page 10: ...atmosphere see page 14 Discharge Pipework Isolating Regulating Valves as required Temperature Pressure Relief Valve HWS supply Balanced HWS and MCWS to bathrooms showers cloakrooms etc DOC DOC DOC DO...

Page 11: ...l mounting bracket is supplied for this purpose NOTE DO NOT USE THE POTABLE WATER EXPANSION VESSEL SUPPLIED WITH THE MEGAFLO ECO SOLAREADY FOR ANY OTHER PURPOSE IT MUST NOT BE USED IN PLACE OF THE SOL...

Page 12: ...ust be left open to atmosphere The discharge pipe should not be blocked or used for any other purpose The discharge connections from the Pressure Relief Expansion Valve and the Temperature Pressure Re...

Page 13: ...ter for prolonged periods should be used Worked example of discharge pipe sizing This example is for a G temperature relief valve with a discharge pipe D2 having 4 No elbows and length of 7m from the...

Page 14: ...l 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 Table 1 and the worked example...

Page 15: ...ework collector and the level of the hydraulic pump station determines the static head for the system The static head is 0 1 bar times this height in metres This static head is used when setting the s...

Page 16: ...to the hydraulic station Fig 16 Item 2 so that the vessel can be connected to the vessel connection of the safety group Fig 16 Item 3 using the flexible pipe Fig 16 Item 4 supplied Note Solar expansio...

Page 17: ...n the event of a thermostat failure The thermal cut out reset button position is indicated on Figure 13 DO NOT BYPASS THE THERMAL CUT OUT IN ANY CIRCUMSTANCES The lower immersion heater can be operate...

Page 18: ...ut operate Figure 16 diagrams A B D and E detail the wiring required between these controls and the motorised valve Wiring to external controls is made via the terminal block fitted The cable should b...

Page 19: ...4 5 6 7 8 9 10 11 12 13 14 15 16 Link 7 8 N 8 3 5 1 2 3 GY BL BR GR OR Cylinder auxiliary controls DHW 2 port valve N 6 2 5 4 N GY BL BR GR OR L N CH 2 port valve CH pump Solar o temp cutout Solar pum...

Page 20: ...N A1 N A2 N A3 N T1 T2 T4 T5 T7 11 12 Solar differential controller Solar pump Solar controller 1 L 1 2 Solar o temp cutout Diagram E In conjunction with auxiliary heating boiler with a 3 port mid pos...

Page 21: ...cables must be secured suitable strain relief bushes or devi 6 The controller must be earthed 9 4 230 240V connection 1 For 230V connections you must 2 The mains supply to the controll double pole is...

Page 22: ...t Units Switch on the electrical supply to the immersion heater s and allow the unit to heat up Check that the thermostat operates correctly A storage temperature of approx 60 C is recommended If nece...

Page 23: ...lating valve with integral thermometer in the flow Fig 19 Item 4 in the direction indicated by the arrow to a 45 position to open the non return valve Ensure that the right hand isolating valve with i...

Page 24: ...ve Fig 19 Item 5 back 90 clockwise until the dot on the bezel is back at 12 o clock Turn the slot of the adjusting screw Fig 19 Item 3 back to the horizontal position Commissioning of hydraulic statio...

Page 25: ...follows Item 2 Scroll upwards moves up through the available functions of the sub menu Item 3 Scroll left return to main menu Item 4 Scroll down moves down through the available functions of the sub m...

Page 26: ...Indication of minimum temperature storage tank s Resettable to current temperature Yes max 65 C 26 Baxi Heating UK 2012 11 0 Commissioning 11 3 Menu Info In this menu mode all measured v are shown If...

Page 27: ...7K 3K 15 65 C Indication dT min 3 K dT max 7 K max 65 C 65 C MAX Storage tank switch on differential dTon 100 40 C 2 min 00 00 1 2 3 Ti dT min 3K Tim co max 23 59 1 2 3 Ti max 20 00 4 Tim Sto min 06 0...

Page 28: ...ed WARNING During manual operation the regulation of the system Temperature con System temperature could be extremely h 2 To avoid inadmissible operating states this changes into Indication after appr...

Page 29: ...on 0 off 1 on 0 3 40 C Recooling storage tank temperature 30 90 C 40 C 4 0 Tube collector function time controlled 0 off 1 on 0 5 2 Energy yield measurement off 0 2 Note This solar collector has the a...

Page 30: ...n i n o i t a c i d n I n o i t p i r c s e D l o b m y s c i h p a r G Measuring points assignment Temperature measuring point collector array 1 Temperature measuring point collector array 2 Tempera...

Page 31: ...rage temperature 65 C Pump operation starts when the collector temperature exceeds the cylinder temperature by more than dTon and continues while the collector temperature is above cylinder temperatur...

Page 32: ...dT 10k TTh 40 C on A3 off 11 0 Commissioning of solar controller 11 13 Rotational speed regulation 1 The solar circulation pump on 230V outputs A1 and A2 can be operated either in switch mode two poin...

Page 33: ...is activated until the adjusted frost protection start temperature 5K is reached The minimum runtime of the pump is 5 minutes For safety reasons the function is deactivated if the temperature of the p...

Page 34: ...against the rear thermal insulation section Fig 31 Item 3 until it clips into place Benchmark Log Book On completion of the installation and commissioning procedures detailed in this Product Guide th...

Page 35: ...ent C 5 6 1 k n a t e g a r o t S Maximum storage temperature K 7 1 k n a t e g a r o t S switch on difference dTon K 3 1 k n a t e g a r o t S switch off difference dToff Minimum pump power on 100 ro...

Page 36: ...ar bar bar bar bar bar bar bar bar bar bar bar Check solar primary system flow rate l min l min l min l min l min l min l min l min l min l min l min l min l min Check operation of PRV Check discharge...

Page 37: ...nit at least one metre below the unit is recommended Open hot water tap nearest to the Megaflo Eco SolaReady to relieve the system pressure Open drain cock If water fails to drain from the Megaflo Eco...

Page 38: ...s and suggested measures to rectify NOTE These error messages wil automatically reset when the fault has been rectified In the case of the circulation error this may take a few minutes to clear once n...

Page 39: ...ent insufficient solar gain Check If tripped reset by pressing button Check Set to a CH programme Check Switch on supply to immersion heater Check boiler operation If faulty contact boiler manufacture...

Page 40: ...termittent Is the discharge continuous and very hot YES YES NO NO Heating fault water may have cooled Blending valves set too low Thermostat settings too low Water from hot taps is lukewarm Contact an...

Page 41: ...tify sensor connections Are sensor cables laid alongside voltage cables Have sensor cables been lengthened with unshielded cable Do sensors give correct temperature v resistance readings Are temperatu...

Page 42: ...Stopcock 95 605 885 Immersion Heater Backnut 95 607 940 Immersion Heater Gasket 95 611 822 Immersion Heater Key 95 607 861 Immersion Heater Blanking Plug 95 605 881 Titanium Immersion Heater Upper 95...

Page 43: ...3 Bar Inlet Control Valve 3 Bar Pressure Reducing Valve Complete Expansion Relief Cartridge 8 Bar Pressure Relief Valve Complete 95 605 893 Figure 19 Exploded View of 8 Bar Pressure Relief Valve Figu...

Page 44: ...e 95 606 990 Solar Thermal Cut Out 95 612 698 3 Way Terminal Block 95 607 932 A B A B C C 1 2 BSP Sensor Pocket Assembly Short 95 607 938 A B Terminal cover 95 614 118 Backnut 95 607 869 Gasket 95 611...

Page 45: ...ect 95 607 929 Terminal cover 95 614 119 Three Way Terminal Block 95 607 932 E Titanium Immersion Heater Upper 95 606 989 Direct Combined Thermostat and Thermal Cut Out 95 612 717 Gasket 95 611 822 Ba...

Page 46: ...sion vessel 95 607 612 Solar expansion vessel self sealing connection 5119779 Solar differential temperature controller 720709001 Temperature gauge 720689101 Insulation 720689701 Safety group 72069090...

Page 47: ...field Road Hayes Middlesex UB40 0TY Tel 0208 5730574 Parts Center Network 65 Business Park Bentley Wood Way Burnley Lancashire BB11 5ST Tel 01282 834403 www partscenter co uk Newey Eyre Specialist Pro...

Page 48: ...SERVICING 48...

Page 49: ...ansfer fluid details What type make of heat transfer fluid used System volume litres What is the fluid mix Water Glycol Frost protection provided to C Is the installation in a hard water area above 20...

Page 50: ...SERVICING 50...

Page 51: ...SERVICING 51 Notes...

Page 52: ...3600 6219 Issue 03 Customer service Telephone 0344 8711535 Facsimile 0344 8711528 E mail megafloservice heateam co uk Megaflo Hurricane Way Norwich Norfolk NR6 6EA...