Heatrae Sadia Megaflo Eco 125DD Manual Download Page 36

36

Guarantee

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 engineers and our own call centre, 

which is open 363 days a year.

This Lifetime Warranty applies in relation to the following 

Megaflo products:

•  Megaflo cylinders
•  Megaflo calorifiers

The Megaflo Domestic Lifetime* Warranty
The Megaflo Domestic Lifetime* Warranty covers Megaflo 

cylinders installed in domestic properties† against corrosion 

for the lifetime* of the owner.

The cold water combination valve (and expansion vessel, 

where supplied) is covered by a five year warranty from 

the date of purchase of the Megaflo product that includes 

both parts and labour. All other components, including any 

other valves, 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.

In the case of the Megaflo Systemready, Megaflo Systemfit 

and Megaflo SolaReady units the supplied pumps and 

motorized valves ( where fitted ) are also covered by this 

two year warranty.

Incoloy immersion  heaters ( where fitted ) are covered by a 

two year warranty.

Titanium Immersion heaters ( where fitted ) are covered by 

a five year warranty.

The Megaflo Commercial Lifetime* Warranty
The Megaflo Commercial Lifetime Warranty covers 

Megaflo cylinders and calorifiers installed in non-domestic 

properties^ against corrosion for a period of 30 years from 

the date of purchase.

All other components, including valves, expansion 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 recovery units are covered against 

manufacturing defects for a period of two years. Flat plate 

solar collectors are covered against manufacturing defects 

for a period of 10 years from the date of purchase of the 

Megaflo product. Evacuated tube solar collectors are 

covered against manufacturing defects for a period of five 

years from the date of purchase of the Megaflo product. All 

other solar accessories are covered against manufacturing 

defects for a period of two years from the date of purchase 

of the Megaflo product.

Outside of the UK

These warranties are valid for installations within the United 

Kingdom.

For installation in the Republic of Ireland please contact 

Potterton Myson (Ireland) Limited on 00353 (0) 1 4590870    

For installations outside of the United Kingdom and the 

Republic of Ireland, please telephone Megaflo Export on 

+44 1603 420271 for further details of the warranty terms 

and conditions applicable.

These guarantees are valid provided that:

•  The Megaflo product has been installed by a competent 

installer in accordance with the instructions contained in the 

installation instructions and in compliance with all relevant 

laws, guidance, codes of practice and regulations in force 

at the time of installation.                                                    

•  The Megaflo product has not been modified or tampered 

with in any way, other than by a Heatrae Sadia or Baxi 

Customer Support approved engineer.  

•  The Megaflo product has not been subject to damage by 

scale. 

•  The Megaflo product and any part or parts of the Megaflo 

product (whether factory fitted or otherwise) have not 

been repaired or replaced other than by a Baxi Customer 

Support approved engineer and any replacement parts 

used on 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 storage 

of wholesome water. Should another substance be put 

through the product, the warranty will be invalid unless it is 

part of a disinfectant procedure carried out in accordance 

with BS EN 806.                                                                                                                                            
  

•  The Megaflo product has not been subjected to frost or 

freezing temperatures (except for solar collectors which are 

designed for external installation).

•  The Benchmark™ commissioning checklist service 

record, included in the Megaflo installation instructions has 

been completed.

•  Regular maintenance has been carried out by a 

competent person/, an approved engineer from Heatrae 

Sadia or any other part of the Baxi Group Baxi Customer 

Support approved engineer in accordance with the 

requirements set out in the maintenance section of the 

installation instructions.                                                              

•  Access is available, at reasonable times and upon 

reasonable notice, to the Megaflo product to allow for any 

inspection repair or replacement.                 

•  The product is registered within 60 days of purchase. 

This can be done by telephone, online or by using the 

registration  form  provided  with  the  product.                                                                

•  Evidence of purchase (for example a receipt or delivery 

Summary of Contents for Megaflo Eco 125DD

Page 1: ...rtant Please read understand all these instructions before commencing installation Please leave this manual with the customer for future reference Megaflo Eco Unvented Direct Indirect Hot Water Cylind...

Page 2: ...11 1 Decommissioning procedure 28 12 Spare parts 29 12 1 Spare parts list 29 Benchmark checklist 34 Commissioning service records 35 Guarantee 36 Benchmarktm places responsibilities on both manufactu...

Page 3: ...appliance Faulty or insufficient maintenance of the appliance Failure to abide by the instructions on installing the product Installer s liability The installer is responsible for the installation an...

Page 4: ...h as a flow of water from the discharge pipe switch the heater off and contact the installer Do not remove or adjust any component or part of this unvented water heater contact installer DO NOT bypass...

Page 5: ...up times 15l min 12 5 21 9 23 2 31 5 32 0 32 0 40 1 40 1 42 3 42 3 30l min 12 0 17 4 20 0 25 1 25 3 25 3 34 6 34 6 35 5 35 5 45 min 9 6 15 3 17 0 23 3 24 1 24 1 26 8 26 8 33 1 33 1 Coil rating kW 15l...

Page 6: ...ing 1 0MPa 10 bar 90 C T P Part number 95 605 810 Immersion heater electrical rating 3 0kW 240V 2 8kW 230V Notes 1 at 3 bar water inlet pressure 2 Tested to EN 60379 2004 Table 2 Technical data Direct...

Page 7: ...50DD 250DDD 250DDDD 300DD 300DDD 300DDDD Storage volume V in litres 92 0 140 0 155 0 182 0 199 0 199 0 199 0 236 0 236 0 236 0 283 0 283 0 283 0 Mixed water at 40 C V40 in litres 78 167 183 218 241 24...

Page 8: ...300i 6kW 316 355 1575 2053 1413 1526 Table 2 Dimensions see Figs 1 and 2 for details Size DIMENSIONS mm A B C D E 70D N A 307 495 802 N A 125DD N A 307 479 1102 649 145DD N A 307 895 1229 680 170DD N...

Page 9: ...HARGE PIPE DRAIN COCK PRIMARY RETURN PRIMARY FLOW SECONDARY RETURN TAPPING IF REQUIRED INDIRECT CYLINDERS ONLY MAINS WATER SUPPLY BALANCED COLD WATER CONNECTION IF REQUIRED ELEMENT CONTROLS HOUSING 3...

Page 10: ...nder requires no separate expansion vessel to accommodate this expansion as they incorporate an internal air gap 4 3 Main components See Figure 3 on page 9 4 4 Standard delivery The delivery includes...

Page 11: ...eck Valve Stop cock can be fitted here MCWS to Kitchen unbalanced cold mains supply Mains Cold Water Supply KEY MCWS Mains Cold Water Supply HWS Hot Water Service SC Stop Cock Isolating Valve DOC Drai...

Page 12: ...thermostatic control unless additional and appropriate safety measures are installed Ascending spray type bidets or any other class 1 back syphonage risk requiring that a type A air gap be employed St...

Page 13: ...on for the unit please install paying attention to the following hydraulic electrical and commissioning sections Boiler selection Indirect units only The boiler should have a control thermostat and no...

Page 14: ...bar The valve can be fitted in any orientation to suit the installation as long as the valve is installed with the direction of flow arrows pointing in the correct direction The expansion relief valv...

Page 15: ...riods of high demand are critical to the correct operation and longevity of the heating element s and thermostats Secondary circulation is not recommended for direct electric units using off peak tari...

Page 16: ...tlet and the tundish see Fig 11 page 18 Note To comply with the Water Supply Water Fittings Regulations the tundish should incorporate a suitable air gap 3 55 Any discharge should be visible at the tu...

Page 17: ...connected to the pipe Note 1 Plastic pipes should be joined and assembled with fittings appropriate to the circumstances in which they are used as set out in BS EN ISO 1043 1 2 Where pipes cannot be c...

Page 18: ...p to 27m 1 4m 1 7m 2 3m Table 6 Sizing of copper discharge pipe D2 for common temperature relief valve outlet sizes Safety device e g Temperature relief valve Metal discharge pipe D1 from Temperature...

Page 19: ...4 for details of how to adjust the temperature setting Each immersion heater has its own individual thermostatic control The thermostat incorporates a thermal cut out that will switch off the immersio...

Page 20: ...on Fig 14 Replace the Control Cover s before operating To do this tilt the cover and align the top two lugs with the holes in the housing as indicated on Fig 12 Hinge the cover downwards and firmly pr...

Page 21: ...EM KEY Bl BLUE Br BROWN G GREY O ORANGE GY GREEN YELLOW DHW DOMESTIC HOT WATER HTG HEATING 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bl Br O G GY Bl Br O L N N L N L Bl W G O GY 1 2 3 L N HTG ON DHW ON P...

Page 22: ...cted to the boiler controls it should be noted that the factory fitted indirect thermostat and thermal cut out MUSTNOTbe disconnected or bypassed To do so would invalidate the product approvals and wa...

Page 23: ...Switch on the boiler ensure the programmer is set to Hot Water and allow the cylinder to heat up to a normal working temperature 60 65o C recommended If necessary the temperature can be adjusted by in...

Page 24: ...t I E E Wiring Regulations Temperature controls indirect units A combined thermostat and thermal cut out is provided for the control of the external boiler The thermostat is factory set to give a wate...

Page 25: ...operations Inspection The immersion heater boss can be used as an access for inspecting the cylinder internally Safety valve operation CAUTION Water discharged may be very hot Manually operate the tem...

Page 26: ...charge the air volume Turn off the heat source to the cylinder Turn off the water supply to the unit by turning the isolating valve on either the pressure reducing valve or expansion valve Turn the bl...

Page 27: ...fitted 3 Check and refit as required Water from hot taps is cold 1 Back up immersion heater not switched on 1 Check and switch on 2 Back up immersion heater thermal cut out has tripped 2 Check Reset b...

Page 28: ...only Remove cylinder Cap pipework Environmental information Products are manufactured from many recyclable materials At the end of their useful life they should be disposed of at a Local Authority Rec...

Page 29: ...T SHOWN 95 605 812 16 Direct element Titanium lower 95 606 988 17 Immersion heater backnut Brass 95 607 940 18 Direct combined thermostat thermal cut out 95 612 720 19 Direct Titanium controls cover 9...

Page 30: ...ure 18 Cold water inlet controls spares exploded views 2 3 5 4 6 Figure 18 A 3 bar Pressure Reducing Valve exploded view Figure 18 B 8 bar Expansion Pressure Relief Valve exploded view Figure 18 C Sto...

Page 31: ...heater exploded view Spare components are comman to Upper and Lower Direct Control Assemblies Except for the Upper elements 34 and Lower element 16 A A B B Direct control assembly and upper assembly o...

Page 32: ...32 Figure 20 Indirect controls and immersion heater exploded view Indirect Control Assembly 25 26 27 24 18 22 7 23...

Page 33: ...n Business Centre Springfield Road Hayes Middlesex UB4 0TY Tel 020 8606 3567 Parts Center Tel 0845 270 9800 www partscenter co uk Newey Eyre Unit 3 5 Wassage Way Hampton Lovett Ind Estate Droitwich Wo...

Page 34: ...34 Benchmark checklist...

Page 35: ...35 Commissioning service records...

Page 36: ...ase of the Megaflo product Outside of the UK These warranties are valid for installations within the United Kingdom For installation in the Republic of Ireland please contact Potterton Myson Ireland L...

Page 37: ...uirements The customer will cover the cost of any safety equipment including but limited to scaffolding and lifting equipment that is required to meet this standard and will appoint a contractor to ca...

Page 38: ...38 NOTES...

Page 39: ...39 NOTES...

Page 40: ...ding regulations outside of the UK contact your local Authority For spares stockists guarantees and warranty outside the UK contact your local supplier or Export Sales T 44 0 1603 420271 F 44 0 1603 4...

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