Dru Maestro 75 RCH Instruction Manual
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Dru Maestro 75 RCH Instruction Manual

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Installation manual
Maestro 75 RCH
Maestro 75 Tall RCH
G20/G25/G25.3 (Natural gas), G30 (Butane) and G31 (Propane)
English
Store this document in a safe place
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DRU Video Assist
DRU-940512-EN-US-1022-4
959.080.07.EN

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  • Page 1 Installation manual Maestro 75 RCH Maestro 75 Tall RCH G20/G25/G25.3 (Natural gas), G30 (Butane) and G31 (Propane) English Store this document in a safe place Scan this QR-Code for DRU Video Assist DRU-940512-EN-US-1022-4 959.080.07.EN...

  • Page 2: Table Of Contents

    5.13.2 Air inlet guide 8.3 Placing the wood set 8.3.1 Wood set 9. Control/operation 9.1 Igniting the appliance 9.2 Connection switch contact (Eco Glow) 9.3 Switching/Dimmable power supply (Triac) 9.4 Operation 9.4.1 Remote control 9.4.2 DRU Fire App - User...
  • Page 3 I nst allat io n m anual 9.4.3 DRU Fire App – Service 9.5 Wired home automation system 10. Final inspection 10.1 Gas tightness 10.2 Gas pressure/line-pressure 10.3 Ignition main burner 10.3.1 First ignition of the appliance after installation or adjustments 10.3.2 Igniting the burner(s)

  • Page 4: Step-By-Step Installation Plan

    I nst allat io n m anual 1. Step-by-step installation plan Read the full installation manual prior to installing the appliance. The major points of attention of the installation are described in the check list below. Perform these steps and tick them once they have been performed correctly.

  • Page 5: Introduction

    Necessary instructions to prevent fire, personal injury or other serious damages 3. EU/UKCA Declaration of conformity This declaration of conformity is provided under the sole responsibility of DRU Verwarming, hereafter referred to as DRU. DRU declares that company internal measures guarantee that appliances produced by DRU meet the essential requirements and guidelines of the European regulation concerning gas-fired appliances and the accompanying standards.

  • Page 6: Technical Data

    Yes*** With distance controle option * This appliance is suitable for G25.3 with the composition according NTA 8837. ** System efficiency. ***(achieved) using home automation. **** Adjusting screw. *****Categories C12 and C32 only in combination with DRU PV-1 100/60 (PowerVent®).

  • Page 7: Safety

    - Do not use the appliance when a pane is broken and/or cracked, until it has been replaced. - Only use the flue gas discharge / combustion air supply system (concentric system) supplied by DRU. When installing the appliance, heed the following warnings: - Do not make any changes to the appliance.

  • Page 8: Preparation

    Check whether the appliance is suitable for the type of gas and the gas pressure used at the location. 6.2.1 Gas type conversion In order to convert this appliance to a different type of gas, please contact DRU's service department and ask for the possibilities. The conversion should be performed by a recognised gas installer.

  • Page 9: Gas Hose For Gas Outlet

    If legally permitted, a gas hose for a gas outlet (according to EN14800) can be ordered with the appliance in various lengths (consult DRU Service for this). The gas hose is mounted to the appliance at factory and has been checked for leak-tightness.

  • Page 10: Components Of The Appliance Control Unit

    I nst allat io n m anual 6.5 Components of the appliance control unit The appliance control unit consists of the following components (see fig. 6-2): 38C-2555/2 A: Distribution block; connection of the burners B: Main valve; controls the gas supply to the main burner and valve second burner. C: Valve second burner;...

  • Page 11: Installation

    - Ensure the cables of the ionization and ignition pins are lying free from metal parts as much as possible and are lying fully free from signal and voltage cables. - The data plate must remain attached to the appliance by means of the chain at all times. 38C-2161/1 Maestro 75 RCH...
  • Page 12 I nst allat io n m anual 38C-2716/0 Maestro 75 Tall RCH...

  • Page 13: Additional Installation Options Of The Construction Frame

    I nst allat io n m anual 7.2 Additional installation options of the construction frame The construction frame of this appliance can be adjusted from the “4S version” to the “3S version” (see fig. 7-3). The 3S version allows you to fit the glass pane against the floor or platform. When using the 3S construction frame, the platform or floor in front of and next to the appliance has to be made with inflammable material (see section 7.4) No other information can be provided, nor can responsibility be accepted for the way in which floor covering or other...
  • Page 14 I nst allat io n m anual...

  • Page 15: Concentric System

    7.3 Concentric system 7.3.1 General The appliance is connected to a flue gas discharge / combustion air supply system delivered by DRU, hereafter referred to as the concentric system. DRU has different concentric systems in its range. In the case of a concentric system, the inner tube is used as flue gas discharge. The combustion air is supplied by the outer tube.
  • Page 16 Build the system up from (the flue spigot of) the appliance. Connect the concentric pipe pieces and, if necessary, the bend(s). Apply a clip binding with silicon sealing ring on each connection (does not apply to DRU LAS ES-E 200/150/100, here the sealing ring is inside the tube).

  • Page 17: Roof Terminal (C31)

    My Flue Assist is a DRU web application to check whether an intended concentric system is permissible and provides advice on how to adjust the appliance. Go to the DRU Service website for My Flue Assist. The information from the installation manual is always leading.
  • Page 18 3 bends 4 bends 5 bends Situation is not permissible. There are many more possibilities in combination with the DRU PowerVent® system (DRU PV-I 100/60) (see PowerVent® installation manual). Table 7-4: Conditions for setting the appliance when using a roof terminal G20/G25/G25.3/G30/G31...
  • Page 19 I nst allat io n m anual...

  • Page 20: Wall Terminal (C11)

    I nst allat io n m anual 7.3.3 Wall terminal (C11) When using a wall terminal (C11), the following applies: The construction of the chosen system has to be allowed. Check that the vertical pipe length falls between the minimum and maximum lengths (see table 7-5). Check that the horizontal pipe length (wall terminal excluded) falls within the minimum and maximum length (see table 7-5).
  • Page 21 I nst allat io n m anual Table 7-5c Table 7-5d 0 - 3m >3 - 8m 1x90° 1x90° 38C-744ZJ 38C-744ZZE Setting - Maestro 75 Apply Setting - Maestro 75 Apply Air inlet guide Air inlet guide Restrictor slide Restrictor slide - Only use 200/130 mm concentric system, including the - Only use 200/130 mm concentric system, including the 200/130 mm wall terminal.
  • Page 22 I nst allat io n m anual Table 5-7F Table 5-7G 0 - 8m 0 - 1m 1x90° 1x90° 38C-744ZZH 38C-744ZF Setting - Maestro 75 Tall Apply Setting - Maestro 75 Tall Apply Air inlet guide Air inlet guide Restrictor slide Restrictor slide -Install a connecting piece reducing the concentric system - Only use 200/130 mm concentric system, including the...

  • Page 23: Connection To An Existing Chimney (C91))

    The appliance can be connected to an existing chimney (C91). A 100 mm diameter flexible SS pipe is placed in the chimney for discharging flue gases. The surrounding space is used as combustion air supply. Use the DRU spacer here.
  • Page 24 (prolonged application of painter's tape may cause damage). You should preferably apply the ventilation holes (outgoing) on both sides of the chimney breast. Use the DRU ventilation elements.
  • Page 25 I nst allat io n m anual ≥100 ≥1080*** ≥15 ≤100 ≥ 402 V-Out ≥ 200cm² ≥ 420 1341** ≥110 2 mm ≥410* 2 mm V-In ≥ 80cm² (Eco Glow: 2X ≥ 80cm²) 38C-2696 7-13 * Taking into account the control hatch, placed as indicated. ** Maestro 75 Tall RCH ***If the appliance is installed low down in the chimney breast, a wider chimney breast must be created to accommodate the control hatch.

  • Page 26: Placing The Control Hatch

    7.5 Placing the control hatch In the control hatch, the appliance control unit, data plate and, if applicable, components of the DRU PowerVent® system are placed. The control hatch makes the measuring and adjustment facilities accessible and ensures a safe and optimum operation of the components.
  • Page 27 I nst allat io n m anual 38C-2511/2 7-15...

  • Page 28: Appliance

    I nst allat io n m anual 8 Appliance 8.1 Glass panes The glass pane of this appliance is easy to open to allow cleaning of the inside of the pane. Before installing the wood set, adjusting the appliance or maintenance, the glass pane must be removed. The glass pane is mounted in a steel frame.
  • Page 29 I nst allat io n m anual Maesto 75 Tall 180° 38C-2712...

  • Page 30: Placing The Glass Pane

    I nst allat io n m anual 38C-2711 8.1.4 Placing the glass pane The glass pane is fitted by using the above procedure, in reverse order (see fig. 8-2, 8-3 and 8-4): Avoid/remove fingerprints on the glass pane, as they will burn into the glass. Lubricate rotating parts and glide planes with a heat-resistant lubricant, such as copper grease.

  • Page 31: Setting The Appliance

    I nst allat io n m anual 8.2 Setting the appliance The appliance has to be set in such a way that it works correctly in combination with the concentric system. For that purpose, a restrictor slide is possibly adjusted or removed and an air inlet guide is placed. The conditions for application with wall terminal and roof terminal are stated in tables 7-3 to 7-5.

  • Page 32: Air Inlet Guide

    I nst allat io n m anual 5.13.2 Air inlet guide The air inlet guides are located to the left and right below the vermiculite plate. When removing the air inlet guides, proceed as follows (See fig. 8-6): Unscrew the self-tapping screws from the plate at the ignition and remove this plate from the appliance. Unscrew the self-tapping screws from the vermiculite plate mounted at the rear of the appliance, tilt the rear of this plate upwards, behind the standing burners, out of the appliance.

  • Page 33: Placing The Wood Set

    I nst allat io n m anual 8.3 Placing the wood set The appliance is supplied with a wood set. The figures do not always show the correct colours. Observe the instructions below to prevent unsafe situations: - Only ever use the supplied wood set. - Place the wood set exactly as described.
  • Page 34 I nst allat io n m anual 38P-0604-1 38p-0022 38P-0608 8-10 8-11 38P-0609 38P-0028 /1 8-12 8-13...
  • Page 35 I nst allat io n m anual 38P-0909 8-14 Fill the V-shaped burner with vermiculite; evenly spread the vermiculite (see appendix 3, fig. 18). The vermiculite may not get higher than the edge of the burner. You can influence the flame picture by moving the vermiculite, - The vermiculite may not get higher than the edge of the burner.
  • Page 36 I nst allat io n m anual 38P-0870 8-15 38P-0869 G30/G31 G20/G25/G25.3 G20/G25/G25.3 8-16...
  • Page 37 I nst allat io n m anual 38P-0868 38P-0868 8-17 38P-0859 8-18...
  • Page 38 I nst allat io n m anual Eco Glow 38P-0622 8-19 Eco Glow 38P-0863 8-20...
  • Page 39 I nst allat io n m anual 38P-0864 8-24...
  • Page 40 I nst allat io n m anual Eco Glow 38P-0865 8-22 Eco Glow 38P-0866 8-23...
  • Page 41 I nst allat io n m anual 38P-0867 G20/G25/G25.3 G30/G31 G20/G25/G25.3 G30/G31 ≥1cm ≥1cm 8-24...
  • Page 42 I nst allat io n m anual...

  • Page 43: Control/Operation

    The appliance can be operated by means of a home automation system, see section 9.6. For the installer, there is a service menu in the DRU Fire App (available for iOS and Android) in which data of the appliance can be read (see section 9.5.3).

  • Page 44: Igniting The Appliance

    The appliance is now in manual mode, runs at full capacity and is now ready for operation. The second burner can be switched on and off manually by means of the remote control and/or DRU Fire App. After the second burner is switched on manually, the main burner first switches to full capacity to ensure a correct ignition.

  • Page 45: Connection Switch Contact (Eco Glow)

    With connection (C), it is possible, for example, to switch the lamps of DRU lux element or a ventilation system (see fig 9-2 (C)). This can be done by means of the provided remote control or DRU Fire App. The App can also be used to dim this contact.

  • Page 46: Wired Home Automation System

    (if applicable) In addition to operation by means of the remote control and DRU Fire App, the appliance can also be operated via an external source. A wired home automation system can be directly connected to the receiver (see fig. 9-2 (D)).
  • Page 47 I nst allat io n m anual...

  • Page 48: Final Inspection

    1. Remove the glass pane from the appliance (see section 8). 2. Ignite the appliance by means of the remote control or DRU Fire App. See section 9.1 for a step-by-step description of the ignition process. (Go to step 11 if the burner continues to burn).

  • Page 49: Igniting The Burner(S)

    I nst allat io n m anual If the main burner DOES continue to burn: 11. Clean the glass pane after taking into operation for the first time, as described in the user manual. Then mount the glass pane as described in section 8. 12.

  • Page 50: Delivery

    - In order to prevent cracks, a chimney breast made of stone-like materials or finished with plaster, must dry at least 6 weeks prior to taking the appliance into operation - Cleaning the glass pane(s) - In case of delivery of an appliance equipped with a DRU CM system, the Installation Manual will contain additional information about this...

  • Page 51: Maintenance

    - Regularly remove accumulated dirt, as it can burn into the glass. Inspect the flue gas discharge system. You must always perform a final inspection. Perform the inspection as described in section 10. 12.1 Parts Parts to be replaced are available via the DRU service website, dealer or importer.

  • Page 52: Appendix 1: Malfunctions

    I nst allat io n m anual Appendix 1: Malfunctions Malfunctions Error code Problem Possible cause Remedy F01 E00 Communication loss between Communication cable Properly connect the receiver (DFGT) and controller (ESYS) does not make contact communication cable Communication cable defective Replace communication cable F01 E00 Malfunction Eco Glow®...
  • Page 53 I nst allat io n m anual Malfunctions Error code Problem Possible cause Remedy F15 E09 No connection between control (ESYS) Controller shot loose/mounted incorrectly Mount controller correctly and gas control Controller mounted incorrectly Mount controller correctly Pins on the connector on Bend them straight the gas control are bent F15 E04...
  • Page 54 I nst allat io n m anual...
  • Page 55 I nst allat io n m anual...
  • Page 56 I nst allat io n m anual DRU Verwarming B.V. The Netherlands Postbus 1021, NL-6920 BA Duiven Ratio 8, NL-6921 RW Duiven...

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