REMEHA P 520-13 Technical Instructions

Fuel oil/gas boilers
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Remeha P 520
English
Fuel oil/gas boilers
29/08/05
Technical
instructions
63115

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Table of Contents
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Summary of Contents for REMEHA P 520-13

  • Page 1 Remeha P 520 English Fuel oil/gas boilers 29/08/05 Technical instructions 63115...
  • Page 2: Table Of Contents

    Spare parts .................18 Remeha P 520...
  • Page 3: Introduction

    Risk of injury and damage to equipment. Attention must be paid to the warnings on Caution danger 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 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 4: 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. Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 5: Technical Characteristics

    1 Technical characteristics Maximum operating pressure : 7.5 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...
  • Page 6: Main Dimensions

    2 Main dimensions P 520 Minimum height for sweeping = 850 Burner centre line Flowrate detector Boiler P 520 P 520-13 P 520-15 P 520-17 P 520-19 P 520-21 P 520-23 P 520-25 A (mm) 1563 1785 2007 2229 2491...
  • Page 7 Main dimensions - Rear view P 520 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 8: Installing The Boiler

    B = 1.5 m : adapt the dimensions on the basis of the dimensions of to the system, making sure you comply with minimum clearance the burner. dimension D. Angled connection (not supplied) Air inlet Air outlet P 520 P 520-13 P 520-15 P 520-17 P 520-19 P 520-21 P 520-23 P 520-25 1955...
  • Page 9: 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. Mounting For mounting instructions, see installation instructions. 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 10: Hydraulic Connections

    - 18 to 25 sections : 159 - 6’’ weld. Heating outlet : - 13 to 17 sections : 139.7 - 5’’ - 18 to 25 sections : 159 - 6’’ weld. P 520 P 520-13 P 520-15 P 520-17 P 520-19 P 520-21 P 520-23 P 520-25...
  • Page 11: Important Recommendations For Connecting The Boiler To The Heating Circuit

    - The water temperature in the boiler is maintained at 50°C or more ; the first stage must be set to a minimum of 30% of the nominal stage - Operation at modulated low temperature (minimum outlet temperature: 40°C) ; the first stage must be set to a minimum of 50% of the nominal stage 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 12: Filling The System

    Comments : 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 Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 13: Chimney Connection

    Boilers with 21 to 25 sections are supplied with a plain plate. The maximum cut-out dimensions are 500 x 700 mm. Fit a measuring point (Ø 10 mm hole) on the flue, in order to adjust the burner (combustion check). P 520 P 520-13 P 520-15 P 520-17 P 520-19 P 520-21...
  • Page 14: Fuel-Oil Or Gas Connections

    - Cut the power supply to the boiler. - 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. Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 15 Comments : chemical sweeping is recommended for such boilers. - Put the baffle plates back in place. Interlock them with each other while fitting them into the flue ways. - Close the upper sweeping doors. 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 16 - 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. Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 17: Cleaning The Casing Material

    2 Draining We advise you against draining the system unless it is absolutely necessary. 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 18: Identification Plate

    The identification 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 Power ranges Thermic output Spare parts See next page Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 19: Boiler Body

    Spare parts To order a spare part, quote the reference number next to the part required. 13/04/05 - 300003791-002-A Boiler body 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 20 Insulation...
  • Page 21: Boiler Casing

    Boiler casing 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 22 Flange with outlet piece + Gasket 13 to 8008-8904 17 sections 8555-5502 Distributing tube + Gasket 21 sections Flange with outlet piece + Gasket 19 to 8555-5503 Distributing tube + Gasket 23 sections 8008-8905 25 sections Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 23 Boiler casing 8555-8075 central upper plate 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 29/08/05 - 300003791-001-B Remeha P 520...
  • Page 24 8555-8500 rear side panel 400 mm 8555-8501 rear side panel 600 mm 8555-8513 Fasteners for rear side panel 8555-8505 upper rear plate for sweeping 400 mm 8555-8506 upper rear plate for sweeping 600 mm Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 25 Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 26 Remeha P 520 29/08/05 - 300003791-001-B...
  • Page 27 Remeha P 520 29/08/05 - 300003791-001-B...
  • 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.. .Ours is a policy of continuous development. We reserve the right to alter specifications without prior notification.

This manual is also suitable for:

P 520-15P 520-17P 520-19P 520-21P 520-23P 520-25

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