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MEGAFLO 400L Product Manual

Manual is about: Unvented Hot Water Cylinders

Summary of 400L

  • Page 1

    Megaflo eco plus product guide megaflo eco plus unvented hot water cylinders 400l, 500l & 570l.

  • Page 2

    Unvented hot water cylinder 2 contents product specification .....................................................................................................................................................................Page 3 installation and commissioning instructions ..........................

  • Page 3

    Unvented hot water cylinder 3 product specifica tion (1) • introduction • checklist • general requirements • water supply • power supply • the environment • specification and dimensions.

  • Page 4

    Unvented hot water cylinder 4 product specifica tion (1) the benchmark tm scheme benchmark tm places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced...

  • Page 5

    Unvented hot water cylinder 5 product specifica tion (1) general requirements important: please read and understand this product guide before installing the megaflo eco plus water heater. Incorrect installation may invalidate the guarantee. This appliance can be used by children aged from 8 years an...

  • Page 6

    Unvented hot water cylinder 6 product specifica tion (1) outlet/terminal fittings (taps, etc.) the megaflo eco plus can be used in conjunction with most types of terminal fittings. It is advantageous in many mixer showers to have balanced hot and cold water supplies, in these instances the balanced ...

  • Page 7

    Unvented hot water cylinder 7 product specifica tion (1) specifications and dimensions outline specifications maximum mains water supply pressure (to 3.5 bar pressure reducing valve) 1.6 mpa (16 bar) operating pressure (pressure reducing valve set pressure – non adjustable) 0.35 mpa (3.5 bar) pressu...

  • Page 8

    Unvented hot water cylinder 8 product specifica tion (1) table 2: cylinder sizes table 3: indirect coil ratings table 4: indirect heat-up times (based on a 45°c temperature rise) figure 2 - dimensions size type direct indirect dimensions (mm) 400l 400l 500l 500l d d i i a b c 1502 1802 1502 1802 832...

  • Page 9

    Unvented hot water cylinder 9 product specifica tion (1) table 5: direct units - heat up times size type direct indirect weights 400l 400l 500l 500l 570l 570l d d i i i empty full d 95 100 105 495 600 675 105 110 115 505 610 685 table 6: cylinder weights 500 400 nominal capacity (litres) heat-up tim...

  • Page 10

    Unvented hot water cylinder 10 inst alla tion and commissioning (2) indirect cylinder • general installation • indirect model • direct model • commissioning.

  • Page 11

    Unvented hot water cylinder 11 inst alla tion and commissioning (2) general installation pipe fittings all pipe connections to the megaflo eco plus are 1” bsp female to fit 28mm pipe. Cold water supply a 28mm cold water supply is recommended, however, if a 22mm (3/4”) supply exists which provides su...

  • Page 12

    Unvented hot water cylinder 12 inst alla tion and commissioning (2) tu nd ish megaflo eco plus balanced cold water draw-of f 8 bar pr essur e relief valve (combined expansion relief valve/check v alve) 3.5 bar pr essur e reducing v alve incorporating pr essur e reducing v alve, strainer ,and check v...

  • Page 13

    Unvented hot water cylinder 13 inst alla tion and commissioning (2) drain tap a drain tap is supplied and should be installed in the cold water supply to the megaflo eco plus unit between the 8 bar pressure relief valve and the heater at as low a level as possible (see figure 1, page 5). It is recom...

  • Page 14

    Unvented hot water cylinder 14 inst alla tion and commissioning (2) the following extract is taken from the latest g3 regulations discharge pipes from safety devices discharge pipe d1 3.50 safety devices such as temperature relief valves or combined temperature and pressure and pressure relief valve...

  • Page 15

    Unvented hot water cylinder 15 inst alla tion and commissioning (2) discharge pipework it is a requirement of building regulations 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 and discharge p...

  • Page 16

    Unvented hot water cylinder 16 inst alla tion and commissioning (2) primary flow primary return drain cock to hot outlets inlet water supply two port motorised valve (supplied) air vent (must be on the highest point in the system) figure 8 - indirect connections indirect model boiler selection the m...

  • Page 17

    Unvented hot water cylinder 17 inst alla tion and commissioning (2) wiring all electrical wiring should be carried out by a competent electrician and be in accordance with the latest i.E.E. Wiring regulations. The 2-port motorised valve supplied must be wired in series with the indirect controls suc...

  • Page 18

    Unvented hot water cylinder 18 inst alla tion and commissioning (2) l n n l n l g gy 1 2 3 l n htg on dhw on pump boiler zone valve (htg) megaflo eco (dhw) zone valve (supplied) wiring centre (supplied) programmer megaflo eco indirect thermal controls (supplied fitted) 1 3 2 room stat notes: 1. A do...

  • Page 19

    Unvented hot water cylinder 19 inst alla tion and commissioning (2) direct model immersion heater(s) the megaflo eco plus is supplied with four factory fitted immersion heaters. Each immersion heater is rated 3kw at 240v. To remove the immersion heater: disconnect the immersion from the mains electr...

  • Page 20

    Unvented hot water cylinder 20 inst alla tion and commissioning (2) commissioning filling and flushing the megaflo eco plus ensure that all fittings and immersion heaters are correctly fitted and tightened. I) open a hot tap furthest from the megaflo eco plus. Ii) open the isolating valve on the 3.5...

  • Page 21

    Unvented hot water cylinder 21 maintenance and ser vicing (3) • maintenance • fault finding • servicing • spares • benchmark • spares stockists.

  • Page 22

    Unvented hot water cylinder 22 maintenance and ser vicing (3) maintenance maintenance requirements to ensure the continued optimum performance of the megaflo eco plus it should be regularly maintained. This is of particular importance in hard water areas or where the water supply contains particulat...

  • Page 23

    Unvented hot water cylinder 23 maintenance and ser vicing (3) 95:605:105 95:605:107 95:605:104 95:605:108 figure 14 - spares schematic servicing important i) servicing should only be carried by authorised baxi customer support engineers, agents or by installers competent in the installation and main...

  • Page 24

    Unvented hot water cylinder 24 maintenance and ser vicing (3) figure 15 - spares schematic 6 5 13 8 7 14.

  • Page 25

    Unvented hot water cylinder 25 maintenance and ser vicing (3) y d e m e r e s u a c e l b i s s o p t l u a f 1. M ains w a t e r s upply off. 2. S trainer bloc k ed. And c lean (s ee page 22). 3. C old w ater c om bination v alve inc orrec tly fitted. 3. C hec k and refit as required. 1. Not s w it...

  • Page 26

    Unvented hot water cylinder 26 maintenance and ser vicing (3).

  • Page 27

    Unvented hot water cylinder 27 maintenance and ser vicing (3).

  • Page 28

    Unvented hot water cylinder 28 user guide (4) spares stockists electric water heating co. 2 horsecroft place pinnacles harlow essex cm19 5bt tel: 0845 0553811 e-mail: sales@ewh.Co.Uk spd special product division units 9 & 10 hexagon business centre springfield road hayes middlesex ub40 0ty tel: 0208...

  • Page 29

    Unvented hot water cylinder 29 user guide (4) • user instructions • guarantee • customer service.

  • Page 30

    Unvented hot water cylinder 30 user guide (4) table: technical parameters in accordance with european commission regulations 814/2013 and 812/2013 direct supplier’s name or trade mark supplier’s model identifier 400 500 570 storage volume v in litres 400.0 500.0 570.0 mixed water at 40 °c v40 in lit...

  • Page 31

    Unvented hot water cylinder 31 user guide (4) notes..

  • Page 32

    Unvented hot water cylinder 32 important legal requirement for installers megaflo eco plus, a trading name of heatrae sadia heating, a licensed member of the benchmark tm scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the uk ...

  • Page 33

    Unvented hot water cylinder 33 lifetime warranty* the megaflo lifetime warranty provides unrivalled levels of customer support and peace of mind in the unlikely event that a problem arises from a manufacturing defect. It is supported by a large nationwide team of company-employed field-based enginee...

  • Page 34

    Unvented hot water cylinder 34 the megaflo product are authorised megaflo spare parts. • the factory fitted temperature and pressure relief valve have not been tampered with or removed. • the megaflo product has not been subject to misuse or neglect. • the megaflo product has only been used for the ...

  • Page 35

    Unvented hot water cylinder 35 claims defects should be reported to us as soon as you are aware of them. Please report defect to us by contacting 03444 8711535 or customer.Support@baxi.Co.Uk . Notes we are only able to carry out warranty repair/replacement to megaflo solar collectors which have safe...

  • Page 36

    36006165_issue _08 customer service telephone: 0344 8711535 facsimile: 0344 8711528 e-mail: megafloservice@heateam.Co.Uk megaflo hurricane way norwich norfolk nr6 6ea.