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Unvented Hot Water Cylinder

37

USER GUIDE (4)

These warranties 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 note) and date of supply is submitted 

when making a claim.  

•  The Megaflo product has not been affected by any cause beyond our reasonable control including, 

without limitation:  an act of God, explosion, flood, fire or accident; war or civil disturbance; 
strike, industrial action or stoppages of work; any form of government intervention; a third party 
act or omission including theft or malicious damage; failure by you to give us a correct delivery 
address or notify us of any change of address.                                                                                                                  

If any of the following situations occur, the Megaflo  Lifetime Warranty* will 
not apply:

•  Any wilful or accidental damage caused by your negligence
•  Damage caused as a result of scale.
•  Installation not  in line with the installer and user manuals provided, 
•  Failure to comply with installation instructions (whether oral or in writing), 
•  Misuse of the Megaflo product or alteration of the Megaflo product not in accordance with the 

requirements set out above.                                                                                                       

•  Defects which are not  reported to us outside of the warranty period on 0345 0701058 or 

[email protected]

•  Any third party repair or replacement costs unless those costs have been agreed and authorised 

by Baxi Customer Support or Heatrae Sadia in writing prior to incurring the costs.

•  In relation to the Megaflo Commercial Lifetime Warranty only, we will not be liable for any 

indirect and consequential losses and any loss of earnings, loss of business, or losses in relation 
to stress and inconvenience, howsoever caused. 

Содержание Commercial 1000

Страница 1: ...t Hot Water Cylinders 400L 2500L Important Please read understand all these instructions before commencing installation Please leave this manual with the customer for future reference Megaflo Commerci...

Страница 2: ...mostat control schematics 12 Wiring Schematics 13 Limitations 14 Water supply 14 Installation Commissioning 15 General Installation 15 Cold Water Supply 15 Secondary circulation and De Stratification...

Страница 3: ...er Fitting Regulations England and Wales or Water Byelaws Scotland THIS APPLIANCE CAN BE USED BY CHILDREN AGED FROM 8 YEARS AND ABOVE AND PERSONS WITH REDUCED PHYSICAL SENSORY OR MENTAL CAPABILITIES O...

Страница 4: ...x 1 25 8 bar or 13 bar 1 5 2000 2500 2 1 5 6 bar or 5 10 bar 1 25 x 1 5 8 bar or 13 bar 2 Table 2 Expansion Vessel as below Commercial Cylinder Volume ltr Expansion Vessel Size ltr Mounting Kit Weight...

Страница 5: ...practices are adopted for manual handling of appliances parts 6 Correct PPE to be worn The Megaflo Commercial unit must be vertically floor mounted It can be placed anywhere convenient provided the d...

Страница 6: ...bar Maximum design pressure low pressure system 0 80MPa 8 bar Maximum design pressure high pressure system 1 3MPa 13 bar T P relief valve setting 1 0MPa 90 C 10 bar T P relief valve setting 1 5MPa 90...

Страница 7: ...3 51 23 51 56 52 18 52 36 The thermostat temperature settings of the water heater as placed on the market by the supplier Specific precautions that shall be taken when the water heater is assembled in...

Страница 8: ...4 BSP 400 400 437 437 523 523 606 605 D N A 872 872 N A 1024 1024 N A 1224 1224 N A 1470 1470 E F G 418 418 443 443 527 527 599 599 593 593 618 618 707 707 779 779 1008 1108 1183 1433 1172 1373 1225 1...

Страница 9: ...CE AREA 2m 7 5m 3m 5m Table 10 Pressure drop across coils 1000 1450 2000 400 500 800 NOMINAL CAPACITY LITRES 1250 2500 PRIMARY FLOW RATE l min 15 30 60 0 02bar 0 04bar 0 32bar 0 01bar 0 08bar 0 44bar...

Страница 10: ...s for Cylinders Auxillary Immersions 1000 1450 2000 400 500 800 NOMINAL CAPACITY LITRES 1250 2500 Maximum kW ratings Upper boss 36 45 45 45 54 54 54 54 Table 13 Water delivered to 40 C 1000 400 500 80...

Страница 11: ...uld be used for auxillary back up heating only Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower Upper Lower 400 500 800 1000 1250 1450 2000 2500 94110302...

Страница 12: ...auxillary immersion heaters are fitted with a thermostat which is fitted in the centre of the heater plate and a cut out which is fitted to the side of the thermostat These MUST be wired in series wit...

Страница 13: ...nents certified for 10 000 cycles of operation for the contactor controlled by the thermostat and at least 30 for the contactor controlled by the non self resetting thermal cut out Line terminal marke...

Страница 14: ...either The Building Regulations England The Building Regulations Scotland or Building Regulations Northern Ireland The Water Fittings Regulations England and Wales or Water Byelaws Scotland Water supp...

Страница 15: ...k the flow arrows on the side of the body The expansion relief valve should be installed with the discharge pipe work in either the horizontal position or facing downwards if the discharge pipe is fac...

Страница 16: ...rge Pressure gauge connections one each side Secondary return WRAS approved pump Check valve Air vent at highest point in system not supplied To Drain Hot water outlet Direction of flow De stratificat...

Страница 17: ...to ensure the volume can be circulated in 1 hour The pump instructions will need to be reviewed for information on the correct setting Please follow the installation schematic fig 8 for guidance When...

Страница 18: ...s 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 Table...

Страница 19: ...move lime deposits and to verify that it is not blocked G3 Requirement there shall be precautions to ensure that the hot water discharged from safety devices is safely conveyed to where it is visible...

Страница 20: ...OUTLET SIZE MINIMUM SIZE OF DISCHARGE PIPE D1 MINIMUM SIZE OF DISCHARGE PIPE D2 FROM TUNDISH MAXIMUM RESISTANCE ALLOWED EXPRESSED AS A LENGTH OF STRAIGHT PIPE I E NO ELBOWS OR BENDS RESISTANCE CREATED...

Страница 21: ...C maximum flow temperature to primary heat exchanger 89 C The boiler cannot be vented through the Megaflo Commercial unit Indirect Thermal Cut Out And 2 Port Motorised Valve To comply with Building R...

Страница 22: ...LLOW DHW DOMESTIC HOT WATER HTG HEATING DHW OFF 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Bl Br G O GY Figure 14 2 x 2 port valve system S Plan L N N L N L G GY 1 2 3 L N HTG ON DHW ON PUMP BOILER ZONE V...

Страница 23: ...e working practices Replacement Make sure the Immersion heater gasket face is clean and if necessary replace the gasket spare part number 95607396 Replace the Immersion heater and make sure the 8 nuts...

Страница 24: ...ef Valve during the heating cycle The thermal cut out is factory set to 80 C max for direct heating Primary Side Fill the indirect primary circuit following the boiler manufacturer s commissioning ins...

Страница 25: ...rior to the Pressure Reducing Valve or the main stop cock to the system 2 Open the lowest hot tap in the system to relieve the system pressure 3 Using a spanner unscrew the pressure reducing cartridge...

Страница 26: ...34 should be filled in to record the actions taken and the date the work was undertaken Maintenance Under normal circumstances the control valves should not require any maintenance However annual insp...

Страница 27: ...ion If fault is suspected consult boiler manufacturer s instructions Indirect thermal cut out has operated Check reset by pushing button on thermal cut out Check operation of indirect thermostat Indir...

Страница 28: ...AR 95607461 8 EXPANSION VESSEL 200L 6 BAR 95612723 9 EXPANSION VESSEL 300L 6 BAR 95612724 10 1 INTEGRATED INLET CONTROL VALVE 5 10BAR 95605176 11 ISOLATING BALL VALVE 1 95605178 12 ISOLATING BALL VALV...

Страница 29: ...28mm COMPRESSION TO 1 1 2 95605110 51 2 PORT MOTORISED VALVE BODY DN 32 7031586 52 2 PORT MOTORISED VALVE BODY DN 40 7031587 53 ACTUATOR 24V 7031588 54 ACTUATOR 230V 7035971 55 32 CONNECTION 7031595 5...

Страница 30: ...30 MAINTENANCE AND SERVICING 3 1 Part No 95 611 025 2 Part No 95 607 396 4 9 43 47 Part No 95 607 _ _ _ 15 Part No 95 605 182 11 14 Part No 95 605 _ _ _ 17 22 Part No 95 605 _ _ _ 10 48 Part No 95 605...

Страница 31: ...1 MAINTENANCE AND SERVICING 3 26 29 Part No 95 605 _ _ _ 23 25 Part No 95 605 _ _ _ 30 31 Part No 7033371 32 Part No 95 612 650 35 36 Part No 7031564 7031565 33 Part No 95 612 652 37 38 Part No 95 607...

Страница 32: ...2 MAINTENANCE AND SERVICING 3 39 Part No 95 605 177 40 Part No 95 607 690 41 Part No 95 607 691 50 Part No 95 605 110 49 Part No 95 980 009 51 52 Part No 7031586 7031587 53 54 Part No 7031588 7035971...

Страница 33: ...Unvented Hot Water Cylinder 33 MAINTENANCE AND SERVICING 3...

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

Страница 35: ...Unvented Hot Water Cylinder 35 USER GUIDE 4 NOTES...

Страница 36: ...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 cylinde...

Страница 37: ...ance 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 an...

Страница 38: ...d the property 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 domest...

Страница 39: ...Unvented Hot Water Cylinder 39 USER GUIDE 4...

Страница 40: ...Unvented Hot Water Cylinder 40 2011 7032408_issue_01...

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