Aereco DXA 230 PREMIUM Installation And Maintenance Instruction

Heat recovery unit with demand control for cupboard installation

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INSTALLATION AND MAINTENANCE INSTRUCTION
(ENGLISH VERSION)
dx system
DXA 230 PREMIUM
Heat recovery unit with demand control for cupboard installation
TF6400_A
Aereco S.A.

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  • Page 1 INSTALLATION AND MAINTENANCE INSTRUCTION (ENGLISH VERSION) dx system DXA 230 PREMIUM Heat recovery unit with demand control for cupboard installation TF6400_A Aereco S.A.
  • Page 2: Table Of Contents

    9.1. Insulation of the installation 9.2. Airtightness of the installation 10. Supply and exhaust units 10.1. Supply units 10.2. Exhaust units 10.3. Fresh air inlet and exhaust air outlet 11. Environmental concerns 12. Warranty 13. Conformity and standard 14. Characteristics TF6400_A Aereco S.A.
  • Page 3: Introduction

    · Power cable modification or replacement must only be carried out by qualified personnel or by After-sales Service in order to avoid any accident. · Children being supervised not to play with appliance. TF6400_A Aereco S.A.
  • Page 4: Description

    = 45 min. When there is detection, the local and is not affected by any other pollution supply airflow is increased to ensure the best (humidity, dust, etc.). air quality. If there is no detection, the local supply airflow is reduced to optimize energy savings. TF6400_A Aereco S.A.
  • Page 5 Preheater BXC b Exhaust compensation valve Galvanised steel body Exhaust units (various sensors) Exhaust unit for balance with built-in resistance Air intake and outlet grilles RJ 12 - RJ 45 cables Interface Acoustic attenuation List of components TF6400_A Aereco S.A.
  • Page 6: Construction / Dimensions

    EPP material. No need to seal the spigots once they are pushed in the inlets and outlets of the DXA, the lipseals make it already airtight. Assembling of the DXA spigots TF6400_A Aereco S.A.
  • Page 7: Installation

    The DXA Unit must be positioned exactly vertically (max 1° tolerance). The non compliance to this requirement may lead to serious problems of condensate evacuation. D = 5 mm wall (top view) D = 5 mm wall (side view) Positionning of the DXA Unit TF6400_A Aereco S.A.
  • Page 8: Accessibility

    3.2.3. FIXING OF THE DXA UNIT The DXA Unit is fixed on a wall thanks to the use of two metal brackets, specific to Aereco. The first bracket is fixed in the DXA while the second bracket is screwed in the wall. The two brackets are assembled one within the other.
  • Page 9 9 / 36 Installation of the fixing system Ø6 mm DXA Unit DXA Unit Note : For plasterboard walls, molly metal anchors may be used instead of provided plastic anchors. TF6400_A Aereco S.A.
  • Page 10: Duct Connections To The Dxa Unit

    Exhaust air: rigid (avoid pressure drop) or semi-rigid duct Air intake and air outlet: insulated rigid duct (avoid pressure drop and condensation) SDC100 to fresh air inlet SDC100 Duct diameters and recommendation concerning the type of ducts TF6400_A Aereco S.A.
  • Page 11: Evacuation Of Condensates

    · A vertical height of 8 meters must not exceed between the lift pump and the evacuation duct. Note: The lift pump proposed by Aereco was tested and validated specially for DX System. Using another lift pump can lead to serious problems of functioning and degrade the security of the system.
  • Page 12: Exhaust Compensation Valve (Mcp 125)

    D > 38 cm 125 mm duct) from any fittings, and from the compensation unit. In addition, there must be an inspection hatch to access the valve for maintenance. Positioning of the exhaust compensation valve with access hatch TF6400_A Aereco S.A.
  • Page 13: Defrosting

    Note: · The DXA Unit has been specially designed to work with the defrosting provided by Aereco (defrost strategy specific to DX System, and adapted diameter). Besides, it has been CEM certified with the Positioning of the defrosting compared to the DXA Unit.
  • Page 14: Sensors

    - A maximum of 5 sensors can be connected to the system. - The connection to the system is made through RJ12 wires. Only the specific ones supplied by Aereco can be used. 3.5.1. PRESENCE SENSORS (DX S-PRE) The DX S-PRE presence detector uses infrared radiation to measure movements made in a room.
  • Page 15: Dxa User's Interface

    Boost ventilation Free cooling Settings System status Energy Maintenance Settings Free cooling Boost ventilation Energy Maintenance System status Maintenance System status Energy Boost ventilation Free cooling Settings System status Energy Maintenance DXA Unit and its built-in interface TF6400_A Aereco S.A.
  • Page 16: Special Care For The Ductwork

    (see recommendations for the installation of the units in page 24). 3.8. FIRE PROTECTION The installation must comply with the fire protection standards in force in the country concerned. TF6400_A Aereco S.A.
  • Page 17: Electrical Connections

    Disconnect the electrical supply before any operations and ensure that the DXA Unit cannot be started accidentally. Only cables provided by Aereco must be used to carry on the DXA Unit installation. If using different cables, Aereco won’t be able to guarantee the good functioning of the appliance.
  • Page 18: Electrical Connection On The Dxa Unit

    Sensors, user’s interface and the exhaust compensation valve are accessed from communication bus. Optional exhaust units can be connected to 9 VDC output supply [7] via a 2 wire cable having a cross sectional area of at least 0.75 mm² and a maximal length of 25 meters. TF6400_A Aereco S.A.
  • Page 19: Electrical Connection Of The Defrosting

    Plan a contact separation device having an opening distance of at least 3 mm on each pole. Note: there is no alarm in the defrosting provided by Aereco. 4.3. ELECTRICAL CONNECTION OF THE CONDENSATE PUMP FOR DXA 1247 THE DXA1247 is provided with a built in siphon.
  • Page 20: Starting And Settings Of The Dxa

    6.2. FUSE External Fuse : · 250V T1.6A / Ø5x20 mm Internals fuses : · Fuse F1 : Fuse T1A / Ø5x20 mm · Fuse F2 : Fuse T630 mA / Ø5x20 m Details of internal electronic card TF6400_A Aereco S.A.
  • Page 21: Power Supply And Motor Material Protections

    2. Remove the three filter hatches by 3. Remove each filter by holding it firmly along its pulling on the hatches' handle. edge and pulling it out of the filter slot (the filter is a push-fit item and not fastened in place). TF6400_A Aereco S.A.
  • Page 22: Troubleshooting

    How to reset the device ? with wrong values, it is still possible to 4) Replace the interface reset the whole system. 5) Switch on the heat recovery unit 6) Make again the installation procedure following the interface requirements. TF6400_A Aereco S.A.
  • Page 23: Acceptance Of Works

    · the airflow rates and pressures at the exhaust and supply units, · the airflow rates at the fresh air intake and the used air discharge, · possibly, the sound level in the main rooms and very close to the fans, · check the modulation of the airflow. TF6400_A Aereco S.A.
  • Page 24: Specific Recommendations For Airtightness And Insulation Of The Installation

    (attachment between duct elements) and correctly supported. Failing this, the sag may eventually crack the mastic. Any duct carrying hot air that is outdoors or in an unheated volume must be insulated with 50 mm of glass wool or equivalent. TF6400_A Aereco S.A.
  • Page 25: Insulation Of The Installation

    A special component with a metal plate at the wall in contact with the exterior and a special sealant adhesive can be used to ensure the airtightness of the wall bushing. Sealing part for the bushing in a wall giving on the exterior Special tighten adhesive Metal sheet TF6400_A Aereco S.A.
  • Page 26 Recommendations to control the tightness of the wall bushing: Insulation Mastic seal Tube Airtightness of wall-mounted outlet Recommendations to control the tightness of the unit: Airtight spigot BXC exhaust unit with peripheral seal (included) Junction between the unit and the duct by coupling with gasket TF6400_A Aereco S.A.
  • Page 27: Supply And Exhaust Units

    The exhaust of the DXA Unit operates at a constant pressure of 60 Pa. This makes it necessary to set the BXC unit to the correct position (fixed shutter), in order to guarantee the desired flow rates (see BXC installation instruction). TF6400_A Aereco S.A.
  • Page 28: Supply Units

    It is possible to add up to 3 exhaust units connected to the DXA Unit (see: § 4.1.Electrical connection on the DXA Unit). If using this type of installation, make sure the exhaust units have the appropriate supply (requires specific transformer code CAL261EX). TF6400_A Aereco S.A.
  • Page 29: Fresh Air Inlet And Exhaust Air Outlet

    This guarantee is valid for 2 years from the original date of purchase of your appliance, for faults of the appliance, which have been caused by faulty construction. On these conditions, Aereco guarantee the replacement or the supply of the equipment found to be defective after inspection by its after sales service.
  • Page 30: Characteristics

    Heat exchanger Condensate pump (specific to DXA1240) Condensates receiver Siphon (specific to DXA1247) Spigots Fans Control and supply box Bypass Access hatches of the filters F7 filters Bottom cover G4 filter Ducts cover (optional, code : ADX1448) TF6400_A Aereco S.A.
  • Page 31 Condensation management condensate pump exhaust through siphon Temperature of use Installation room frost free: +5°C < T°< +50°C Incoming outdoor fresh air or Extract -5°C < T° < +50°C without preheating -26°C < T° < +50°C with preheating TF6400_A Aereco S.A.
  • Page 32 DXA Unit maximal airflow setting : 80 m 200 m a = 49 dB c = 59 dB 80 m 200 m 140 m 230 m 140 m 230 m b = 54 dB d = 60 dB TF6400_A Aereco S.A.
  • Page 33 33 / 36 Notes: TF6400_A Aereco S.A.
  • Page 34 34 / 36 Notes: TF6400_A Aereco S.A.
  • Page 35 35 / 36 Notes: TF6400_A Aereco S.A.
  • Page 36 Aereco S.A. 62 rue de Lamirault Collégien 77615 MARNE LA VALLEE CEDEX 3 FRANCE www.aereco.com...

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