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Remeha P 420

Fuel oil/gas boilers

Technical

instructions

English

06/04/06

63190

UK

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Summary of Contents for P 420

Page 1: ...Remeha P 420 Fuel oil gas boilers Technical instructions English 06 04 06 63190 UK...

Page 2: ...s for connecting the boiler to the heating circuit 10 3 Filling the system 11 4 Sludge removal 11 Chimney connection 12 1 Flue size 12 2 Chimney connection 12 Fuel oil or gas connections 13 Electrical...

Page 3: ...engineering practice as requested in article 3 3 of the directive 97 23 EC it is certified by compliance with the directives 90 396 EC 92 42 EC 73 23 EC and 89 336 EC Warning The boiler shall be asse...

Page 4: ...ned for connecting to a flue pipe which require a separate automatic fuel oil or gas burner The useful power of P 420 boilers is between 300 and 780 kW Models available Boiler with control panel which...

Page 5: ...43 3 511 4 511 4 613 6 613 6 681 8 681 8 761 4 761 4 818 2 818 2 886 4 Number of sections 8 9 10 11 12 13 14 Water capacity l 366 409 452 495 538 581 624 Water resistance T 10K mbar 37 55 86 105 136 1...

Page 6: ...plugged Boiler type P 420 8 P 420 9 P 420 10 P 420 11 P 420 12 P 420 13 P 420 14 A 250 250 250 300 300 300 300 B 2 1 2 2 1 2 2 1 2 3 3 3 3 C 135 175 190 240 250 290 or Plain plate D 235 235 235 254 2...

Page 7: ...loor can support the weight of the boiler when it is fitted for operation If the boiler location is not determined precisely leave enough space around the boiler to facilitate monitoring and maintenan...

Page 8: ...e particularly corrosive These compounds are present for example in aerosol sprays paints solvents cleaning products washing products detergents glues snow clearing salts etc Therefore Do not suck in...

Page 9: ...Flow switch 6 Air separator 7 Automatic bleed valve 9 Isolation valve 10 3 way mixing valve 11 Boiler pump 12 Sludge decanting pot particularly recommended on older installations 13 Flush valve 14 Wa...

Page 10: ...the following formulae Nominal water flow Qn 0 86 Pn 20 Minimum flow Qmin 0 86 Pn 45 this flow also corresponds with the minimum recycle flow in the boiler Maximum water flow Qmax 0 86 Pn 5 Qn flow in...

Page 11: ...y to an expansion vessel which opens out onto the air the system must include manual bleeder valves in addition to automatic bleeder valves with the capability to bleed the system by themselves when i...

Page 12: ...tom of the chimney The use of a draught moderator is recommended as well 1 Flue size Refer to applicable regulations while determining the size of the flue Please note that P 420 boilers have pressuri...

Page 13: ...lation of the burner door 1 Max attachment diameter Max B 290 mm Max B 330 mm with 4 fastenings at 15 or 45 Refer to the instructions supplied with the burner Electrical connections ZRefer to the conn...

Page 14: ...d as soon as required and as the chimney at least once a year or more depending upon applicable regulations and specific needs Cut the power supply to the boiler Remove the upper front panel Open the...

Page 15: ...am below The 8 figure part number of the baffle plate is moulded into the metal Flue ways P 420 8 P 420 9 P 420 10 P 420 11 P 420 12 P 420 13 P 420 14 Upper 8229 0010 and 8229 0022 2 x 8229 0010 2 x 8...

Page 16: ...leaning hatches 2 Cleaning the casing material Use a soapy solution and a sponge only Rinse with clean water and dry with chamois leather or a soft cloth 3 Precautions required in the case of long boi...

Page 17: ...operation should be required only a few times in each heating season with very low quantities of water otherwise look for the leak and repair it 2 Draining We advise you against draining the system un...

Page 18: ...18 Remeha P 420 06 04 06 300008441 001 C Spare parts P 420 To order a spare part quote the reference number next to the part required 10 02 06 UK 300004749 002 B Boiler body...

Page 19: ...19 06 04 06 300008441 001 C Remeha P 420 Cladding...

Page 20: ...20 Remeha P 420 06 04 06 300008441 001 C Insulating material for body Panel RC 1...

Page 21: ...with opening 175 19 8229 0531 Plate for combustion chamber door with opening 190 19 8229 0533 Plate for combustion chamber door with opening 240 19 8339 0509 Plate for combustion chamber door with op...

Page 22: ...8545 8003 Complete side panel left width 610 mm 112 8545 8005 Complete side panel left width 930 mm 113 8545 8007 Complete front side panel right 114 8545 8000 Complete side panel right width 610 mm...

Page 23: ...23 06 04 06 300008441 001 C Remeha P 420...

Page 24: ...ctions as well as any drawings and technical descriptions supplied remain our property and shall not be multiplied without our prior consent in writing Ours is a policy of continuous development We re...

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