DeDietrich Innovens MCA 160 Manual
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DeDietrich Innovens MCA 160 Manual

High-efficiency wall-hung gas boilers
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Cascade description
High-efficiency wall-hung gas boilers
MCA 160

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Summary of Contents for DeDietrich Innovens MCA 160

  • Page 1 Cascade description High-efficiency wall-hung gas boilers MCA 160...

  • Page 2: Table Of Contents

    Contents Contents Safety ................... . 4 Liabilities .
  • Page 3 Contents 7.1.6 Overflow valve and manual seals ............50 7.1.7 Expansion vessel .

  • Page 4: Safety

    1 Safety Safety Liabilities 1.1.1 Manufacturer's liability Our products are manufactured in compliance with the requirements of the various Directives applicable. They are therefore delivered with the marking and any documents necessary. In the interests of the quality of our products, we strive constantly to improve them. We therefore reserve the right to modify the specifications given in this document.

  • Page 5: About This Manual

    2 About this manual About this manual General This technical information contains useful and important details for proper dimensioning of a cascade system with wall-mounted boilers. The descrip­ tion includes the correct use of the complete De Dietrich cascade system with MCA 160 modulating wall-mounted boilers, potentially combined with one or more MCA 45-115 boilers.

  • Page 6: Description Of The Product

    3 Description of the product Description of the product Cascade configuration In many situations it is advantageous to spread the total required heat out­ put over several boilers. This can be made possible by means of a "cas­ cade configuration". In a cascade configuration, heating boilers are con­ nected hydraulically.

  • Page 7: Main Components

    3 Description of the product Important Please contact us for different configurations (specials). We also provide in-depth advice on the choice of flue gas outlet material and control engineering, including for non-standard configurations. If you want to decide on the position of the boilers and the configuration yourself, choose an independently installed cascade system.

  • Page 8: Boiler Pump

    3 Description of the product Fig.3 Low-loss header DN100 AD-0001427-01 Fig.4 Adapter DN 65 —> DN 100 Important In the case of DN 65 low-loss headers, an adapter is supplied in order to be able to close the DN 100 flanges of the collector pipe kit in the MCA 160 cascade.
  • Page 9 3 Description of the product Connection kit with pump Fig.5 Connection kit with MCA 160 pump Connection kit with pump for the MCA 160 Flow connection: (1¼" female thread to boiler and 35 x 1.5 mm to 11/4" bu 11/4" bu 1"...
  • Page 10 3 Description of the product Connection kit for calorifier Fig.7 Connection kit for MCA 160 calorifi­ Connection kit for calorifier with MCA 160 Flow connection: (1¼" female thread to boiler and 35 x 1.5 mm to 11/4" bu 11/4" bu 1"...

  • Page 11: Free-Standing Frames

    3 Description of the product 3.4.6 Free-standing frames Fig.9 Frames The free-standing frames consist of a combination of I and/or L poles with an intermediate frame. 1 intermediate frame is required per boiler. The L poles have bolt holes for fixing to the floor. The frame has two fitting brack­ ets.

  • Page 12: Before Installation

    4 Before installation Before installation Installation requirements 4.1.1 Points to consider for boiler replacement If the boiler output is reduced, the water flow rate will need to be adjusted accordingly. Imagine that 4 MCA 160 boilers are connected in a cascade. The total water flow rate is then 4 x 6.38 = 25.5 m /h (at ΔT= 20°...

  • Page 13: Choice Of The Location

    4 Before installation Choice of the location 4.2.1 Boiler room One or more boilers with a combined load less than 130 kW maximum can, if required, be located in a boiler or operations room. A cascade sys­ tem with a total maximum load of more than 130 kW must comply with the regulations that apply to boiler rooms.

  • Page 14: Linear, Wall-Mounted - Lw

    4 Before installation 4.3.2 Linear, wall-mounted - LW Sample configuration drawing with 3 LW boilers; 2 x MCA 160 and 1 x MCA 45-115. Fig.12 3 LW boilers 1805 1890 AD-4100020-01 1 System water supply; connection DN 65/DIN 2631 (4 A System flow centre line = 330 mm up to 350 kW and holes) 560 mm above 350 kW...
  • Page 15 4 Before installation Configuration drawing for 2 boilers - LW Fig.13 2 LW boilers 325 305 1230 1260 AD-4100000-01 1 System water supply; connection DN 65/DIN 2631 (4 Flue gas outlet 150 mm holes) A System flow centre line = 330 mm 2 System return;...
  • Page 16 4 Before installation Configuration drawing for 3 boilers - LW Fig.14 3 LW boilers 325 305 1860 1890 AD-4100001-01 1 System water supply; connection DN 65/DIN 2631 (4 A System flow centre line = 330 mm up to 350 kW and holes) 560 mm above 350 kW 2 System return;...
  • Page 17 4 Before installation Configuration drawing for 4 boilers - LW Fig.15 4 LW boilers 325 305 2490 2520 AD-4100002-01 1 System water supply; DN 100/DIN 2631 connection Air supply 150 mm (4 holes) Flue gas outlet 150 mm 2 System water supply; DN 100/DIN 2631 connection A System flow centre line = 560 mm (4 holes) B System return centre line = 200 mm...
  • Page 18 4 Before installation Configuration drawing for 5 boilers - LW Fig.16 5 LW boilers 325 305 3120 3150 AD-4100003-01 1 System water supply; DN 100/DIN 2631 connection Air supply 150 mm (4 holes) Flue gas outlet 150 mm 2 System water supply; DN 100/DIN 2631 connection A System flow centre line = 560 mm (4 holes) B System return centre line = 200 mm...
  • Page 19 4 Before installation Configuration drawing for 6 boilers - LW Fig.17 6 LW boilers 325 305 3750 3780 AD-4100004-01 1 System water supply; DN 100/DIN 2631 connection Air supply 150 mm (4 holes) Flue gas outlet 150 mm 2 System water supply; DN 100/DIN 2631 connection A System flow centre line = 560 mm (4 holes) B System return centre line = 200 mm...
  • Page 20 4 Before installation Configuration drawing with 7 boilers - LW Fig.18 7 LW boilers 325 305 4380 4410 AD-4100005-01 1 System water supply; DN 100/DIN 2631 connection Air supply 150 mm (4 holes) Flue gas outlet 150 mm 2 System water supply; DN 100/DIN 2631 connection A System flow centre line = 560 mm (4 holes) B System return centre line = 200 mm...
  • Page 21 4 Before installation Configuration drawing for 8 boilers - LW Fig.19 8 LW boilers 325 305 5010 5040 AD-4100006-01 1 System water supply; DN 100/DIN 2631 connection Air supply 150 mm (4 holes) Flue gas outlet 150 mm 2 System water supply; DN 100/DIN 2631 connection A System flow centre line = 560 mm (4 holes) B System return centre line = 200 mm...

  • Page 22: Linear, Free-Standing - Lv

    4 Before installation 4.3.3 Linear, free-standing - LV Sample configuration drawing with 3 LV (linear, free-standing) boilers; 2 x MCA 160 and 1 x MCA 45-115. Fig.20 3 LV boilers 325 305 1940 1810 1890 AD-4100021-01 1 System water supply; connection DN 65/DIN 2631 (4 B System return centre line = 210 mm to 350 kW and holes) 200 mm above 350 kW...
  • Page 23 4 Before installation Configuration drawing with 2 boilers - LV Fig.21 2 LV boilers 325 305 1310 1230 1260 AD-4100007-01 1 System water supply; connection DN 65/DIN 2631 (4 Flue gas outlet 150 mm holes) A System flow centre line = 330 mm 2 System return;...
  • Page 24 4 Before installation Configuration drawing for 3 boilers - LV Fig.22 3 LV boilers 325 305 1940 1860 1890 AD-4100008-01 1 System water supply; connection DN 65/DIN 2631 (4 B System return centre line = 210 mm to 350 kW and holes) 200 mm above 350 kW 2 System return;...
  • Page 25 4 Before installation Configuration drawing with 4 boilers - LV Fig.23 4 LV boilers 325 305 2570 2490 2520 AD-4100009-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 26 4 Before installation Configuration drawing with 5 boilers - LV Fig.24 5 LV boilers 325 305 3200 3120 3150 AD-4100010-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 27 4 Before installation Configuration drawing with 6 boilers - LV Fig.25 6 LV boilers 325 305 3830 3750 3780 AD-4100011-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 28 4 Before installation Configuration drawing with 7 boilers - LV Fig.26 7 LV boilers 325 305 4460 4380 4410 AD-4100012-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 29 4 Before installation Configuration drawing with 8 boilers - LV Fig.27 8 LV boilers 5090 5010 5040 AD-4100013-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...

  • Page 30: Back-To-Back Configuration - Rg

    4 Before installation 4.3.4 Back-to-back configuration - RG Sample configuration drawing with 3 RG boilers; 2 x MCA 160 and 1 x MCA 45-115. Fig.28 3 RG boilers 1278 1310 1230 1260 AD-4100022-01 1 System water supply; connection DN 65/DIN 2631 (4 B System return centre line = 210 mm to 350 kW and holes) 200 mm above 350 kW...
  • Page 31 4 Before installation Configuration drawing for 3 boilers - RG Fig.29 3 RG boilers 325 305 1278 1310 1230 1260 AD-4100014-01 1 System water supply; connection DN 65/DIN 2631 (4 B System return centre line = 210 mm to 350 kW and holes) 200 mm above 350 kW 2 System return;...
  • Page 32 4 Before installation Configuration drawing for 4 boilers - RG Fig.30 4 RG boilers 325 305 1278 1310 1230 1260 AD-4100015-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 33 4 Before installation Configuration drawing for 5 boilers - RG Fig.31 5 RG boilers 325 305 1278 1940 1860 1890 AD-4100016-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 34 4 Before installation Configuration drawing for 6 boilers - RG Fig.32 6 RG boilers 325 305 1278 1940 1860 1890 AD-4100017-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 35 4 Before installation Configuration drawing for 7 boilers - RG Fig.33 7 RG boilers 325 305 1278 2570 2490 2520 AD-4100018-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...
  • Page 36 4 Before installation Configuration drawing for 8 boilers - RG Fig.34 8 RG boilers 325 305 1278 2570 2490 2520 AD-4100019-01 1 System water supply; DN 100/DIN 2631 connection Flue gas outlet 150 mm (4 holes) A System flow centre line = 560 mm 2 System water supply;...

  • Page 37: Installation

    5 Installation Installation Hydraulic connections 5.1.1 Connecting the hot tap water circuit General Both an independently installed cascade system and a complete cascade system will allow hot tap water to be prepared. You can in principle con­ nect an indirectly fired calorifier (use one of the outer boilers) to each boil­ er.

  • Page 38: Gas Connection

    5 Installation 7 Drain valve 12 Mixing valve 8 Flow sensor (clamp or immersion sensor) 13 System pump 9 Expansion vessel 14 Flow sensor 10 Calorifier sensor 15 Thermostatic valve 11 Outside temperature sensor 16 Central heating system Gas connection The boilers are suitable for use with all types of natural gas and propane.

  • Page 39: Joint Flue Gas Outlet

    5 Installation through construction. Recirculation problems may arise where discharge takes place into recesses and in the vicinity of rising walls. Important Contact us for more information. 5.3.3 Joint flue gas outlet If there is sufficient height, a collector system can be used (not supplied by us).
  • Page 40 5 Installation Room-ventilated, high pressure Fig.36 Room-ventilated version Sizes of the flue gas outlet/air supply connections: room-ventilated, high pressure Connection sizes for MCA 160: ∅ 150/150 mm Instructions for using the table: look for the desired output P (in kW at 80/60° C) in the left column. Then take the available height (H) from the right columns.

  • Page 41: Material

    5 Installation Tab.3 Flue gas outlet dimensions Output (P)kW Number of boil­ dia. D (mm) (80/60° C) H = 0 - 2 m H = 2 - 5 m H = 5 - 9 m H = 9 - 13 m H = 13 - 17 m 1029 1176...

  • Page 42: Condensate Drain

    5 Installation It must be possible to inspect the lining duct. If condensate from a plastic or stainless steel pipe section can flow back to an aluminium part in the flue gas outlet, this condensate must be dis­ charged via a collector before it reaches the aluminium. With longer lengths of aluminium flue gas outlet pipes, relatively large quantities of corrosion products flowing back out of the outlet pipes to­...

  • Page 43: Spare Parts

    6 Spare parts Spare parts Parts Fig.38 Frame and main pipes 1025 1011 1011 1016 1006 1016 1010 1020 1017 1014 1005 1018 1010 1021 1019 1016 1020 1022 1021 1022 1016 1023 1016 1024 1026 1003 1020 1016 1017 1017 1016 1020...
  • Page 44 6 Spare parts Fig.39 Connecting pipes OPTION OPTION 2027 2028 2018 2025 2018 2018 2019 2025 2018 2015 2012 2020 2026 2026 2025 2025 2014 2025 2013 2002 2017 2016 2001 2025 2025 2026 2018 2025 2025 2005 2026 2003 2024 2004 2005...
  • Page 45 6 Spare parts Fig.40 Insulation parts 3001 3003 3002 alleen DN 65 only DN 65 nur DN 65 3002 seulement DN 65 solo DN 65 sóla DN 65 3004 3006 3007 3006 3005 3005 AD-0801119-01 7680446 - v.01 - 14082017...

  • Page 46: Parts List

    6 Spare parts Parts list Tab.6 Frame and main pipes Position Designation Number number 1001 Set of main pipes 100-2 1001 Set of main pipes 100-3 1002 Low-loss header DN 65 1002 Low-loss header DN 100 1002 Low-loss header DN 65 (<350 kW) 1002 Adapter DN 65 (<350 kW) 1003...
  • Page 47 6 Spare parts Tab.7 Connecting pipes Position Designation Number number 2001 UPML 25-105 pump for MCA 45-115 90 2002 Pump XL (Grundfos) 2003 Return cock 2004 Flow cock 2005 Gas valve 2006 Return line kit LV/LW 2007 Supply line kit LV/LW 2008 RG gas line kit (back-to-back, free-standing) (not for use in France)

  • Page 48: Appendix

    7 Appendix Appendix Independently installed cascade systems 7.1.1 General It is also possible to have an independently installed cascade system con­ sisting of several units. You then determine the position of the boilers and the piping for your specific situation. To make this easier to do, this chap­ ter provides a summary and description of the components to be used.

  • Page 49: Dimensioning A Standard Low Loss Header

    7 Appendix 7.1.3 Dimensioning a standard low loss header Fig.42 Low-loss header X Boiler-side connection Y System-side connection The low-oss header serves to isolate the boiler circuit from the system cir­ 1/2” cuit. The resistance of the low-oss header must be very low. The rate of flow in the low-oss header must not exceed 0.25 m/s.
  • Page 50 7 Appendix 7.1.6 Overflow valve and manual seals Install a safety valve in the supply line between the manual seal and the unit to protect against an unacceptably high pressure Close the overflow valve with an open connection to the condensate drain. 7.1.7 Expansion vessel Fit an overflow valve for each boiler in the cascade system.
  • Page 51 © Copyright All technical and technological information contained in these technical instructions, as well as any drawings and technical de­ scriptions supplied, remain our property and shall not be multiplied without our prior consent in writing. Subject to alterations.
  • Page 52 L- 2549 LUXEMBOU RG B- 8500 KORTRIJK +352 (0)2 401 401 +32 (0)56/23 7 5 11 www .neuberg.lu www .vanma rcke.be www .dedietrich-heating .com DE DIETRICH SERVICE DE DIETRICH THERMIQUE beria S.L.U C/Salv ador Espriu, 11 0800 / 20 1608 freecall 08908 L’HOSPITALET de LL O BREGAT...

This manual is also suitable for:

Innovens mca 45-115 45Innovens mca 45-115 65Innovens mca 45-115 90Innovens mca 45-115 115

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