REMEHA P 520 Installation And Service Manual

Fuel oil/gas boilers
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Remeha
Fuel oil/gas boilers
P 520
300016859-001-01
Installation and
Service Manual
63115
EN

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Summary of Contents for REMEHA P 520

  • Page 1 Remeha Fuel oil/gas boilers P 520 Installation and Service Manual 300016859-001-01 63115...
  • Page 2: Declaration Of Conformity

    The appliance complies with the standard model described in declaration of compliance . It is manufactured and distributed pursuant to the requirements of european directives. The original of the declaration of compliance is available from the manufacturer. P 520 14/06/2012 - 300016859-001-01...
  • Page 3: Table Of Contents

    13 Spare parts................21 14/06/2012 - 300016859-001-01 P 520...
  • Page 4: General

    Risk of injury and damage to equipment. Attention must be paid to the Caution danger warnings on safety of persons and equipment Specific information Information must be kept in mind to maintain comfort Reference Refer to another manual or other pages in this instruction manual P 520 14/06/2012 - 300016859-001-01...
  • Page 5: Description

    The useful power of P 520 boilers is between 754 and 1450 kW. Models available Boiler with control panel, which may be fitted with an optional Rematic 2945 C3K control unit for heating only or heating and domestic hot water production.
  • Page 6: Technical Specifications

    2.1 Technical specifications Maximum operating pressure: 6 bar Boiler thermostat setting: 30 to 90°C Safety thermostat setting: 110 °C Boiler P 520-13 P 520-15 P 520-17 P 520-19 P 520-21 P 520-23 P 520-25 1044 to 1160 to 1276 to...
  • Page 7: Main Dimensions

    Dimension representing the end of the 100 mm long chimney connection. G = Length required for clearing the water distributing tube. Nota: with models P 520-21, P 520-23 and P 520-25, a plain plate which must be cut out is supplied without the 100 mm chimney connection.
  • Page 8 Main dimensions - Rear view P 520 P 520 14/06/2012 - 300016859-001-01...
  • Page 9: Installing The Boiler

    3 Installing the boiler 3.1 Boiler location For the assembly and because of their design, P 520 boilers require no special base. Their closed furnace system means that the floor need not have refractory properties. All you have to ensure is that the floor can support the weight of the boiler when it is fitted for operation.
  • Page 10: Ventilation

    Do not stock such products close to the boilers. If the boiler and/or peripheral equipment are corroded by such chloride or fluoride compounds, the contractual guarantee cannot be applied. 4 Mounting For mounting instructions, see installation instructions. P 520 14/06/2012 - 300016859-001-01...
  • Page 11: Hydraulic Connections

    - 18 to 25 sections: 159 - 6’’ weld. Heating flow: - 13 to 17 sections: 139.7 - 5’’ - 18 to 25 sections: 159 - 6’’ weld. P 520-13 P 520-15 P 520-17 P 520-19 P 520-21 P 520-23...
  • Page 12: Important Recommendations For Connecting The Boiler To The Heating Circuit

    - The water temperature in the boiler is maintained at 50°C or more: The burner can modulate down to 30% of the nominal stage - Operation at modulated low temperature (minimum outlet temperature: 40°C); The burner can modulate down to 50% of the nominal stage P 520 14/06/2012 - 300016859-001-01...
  • Page 13: Filling The System

    Note: never replace a boiler in an existing system without carefully rinsing the system first. Install a sludge decanting pot on the return pipe, very close to the boiler. 2’’ tapped sludge removal hole 14/06/2012 - 300016859-001-01 P 520...
  • Page 14: Chimney Connection

    -23* *Dimension representing the end of the 100 mm long chimney connection. Nota: with models P 520-21, P 520-23 and P 520-25, a plain plate which must be cut out is supplied without the 100 mm chimney connection. P 520...
  • Page 15: Fuel-Oil Or Gas Connections

    7 Fuel-oil or gas connections Refer to the instructions supplied with the burner. 8 Electrical connections Refer to the connection instructions supplied with the control panel.. 14/06/2012 - 300016859-001-01 P 520...
  • Page 16: Maintenance

    - Unfasten the wing nuts and remove the 4 sweeping doors. - Remove the upper front panel. - Remove the retaining upper front crosspiece and then the lower left and right-hand front panels. - Remove the lower front panel. P 520 14/06/2012 - 300016859-001-01...
  • Page 17 - Push in the handles of the sweeping covers. - Put the baffle plates back in place. Interlock them with each other - Remove the sweeping covers. while fitting them into the flue ways. - Close the upper sweeping doors. 14/06/2012 - 300016859-001-01 P 520...
  • Page 18 - Open the lower sweeping cover of the flue gas box (2 H 10 nuts + Ø 10 washers). - Remove the soot. - Put back the sweeping cover and doors. - Put back the lower insulating material, the crosspiece and panels by reversing the removal procedure. P 520 14/06/2012 - 300016859-001-01...
  • Page 19: Cleaning The Casing Material

    11.2 Draining We advise you against draining the system unless it is absolutely necessary. 14/06/2012 - 300016859-001-01 P 520...
  • Page 20: Data Plate

    The rating plate fixed on the side of the boiler during installation is used to identify the boiler correctly and also provides the main specifications of the boiler. Boiler type Nominal output Nominal input M000048-B P 520 14/06/2012 - 300016859-001-01...
  • Page 21: Spare Parts

    13 Spare parts To order a spare part, quote the reference number next to the part required. 02/04/08 - 300016859-001-A Boiler body 14/06/2012 - 300016859-001-01 P 520...
  • Page 22 Insulation P 520 14/06/2012 - 300016859-001-01...
  • Page 23 Casing 14/06/2012 - 300016859-001-01 P 520...
  • Page 24 8555-5502 Distributing tube + Gasket 21 sections 8112-0028 Plug 2’’ 8555-5503 Distributing tube + Gasket 23 sections Flange with outlet piece + Gasket 13 to 8008-8904 17 sections 8555-5504 Distributing tube + Gasket 25 sections P 520 14/06/2012 - 300016859-001-01...
  • Page 25 2181 mm 8555-8008 rail 1225 mm 8555-8076 central upper plate 2271 mm 8555-8009 rail 1365 mm 8555-8079 additional central plate 1196 mm 8555-8010 rail 1475 mm Common parts 8555-8011 rail 1565 mm 8259-8014 Lower front crosspiece 14/06/2012 - 300016859-001-01 P 520...
  • Page 26 8555-8511 940 mm left-hand upper front plate for sweeping 8555-8512 1050 mm Rear side casing 8555-8500 rear side panel 400 mm 8555-8501 rear side panel 600 mm 8555-8513 Fasteners for rear side panel P 520 14/06/2012 - 300016859-001-01...
  • Page 27 14/06/2012 - 300016859-001-01 P 520...
  • Page 28 © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical descriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations. 14/06/2012 300016859- 001- 01...

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