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Aereco DXA 230 REFERENCE Installation And Maintenance Instruction

Constant airflows heat recovery ventilation for cupboard installation
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INSTALLATION AND MAINTENANCE INSTRUCTION
(ENGLISH VERSION)
dx system
DXA 230 REFERENCE
Constant airflows heat recovery ventilation for cupboard installation
TF6746_A_NOT_DXA230_REFERENCE
Aereco S.A.

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Summary of Contents for Aereco DXA 230 REFERENCE

  • Page 1 INSTALLATION AND MAINTENANCE INSTRUCTION (ENGLISH VERSION) dx system DXA 230 REFERENCE Constant airflows heat recovery ventilation for cupboard installation TF6746_A_NOT_DXA230_REFERENCE 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 / exhaust grilles 10.2. Fresh air inlet and exhaust air outlet 11. Environmental concerns 12. Warranty 13. Conformity and standard 14. Characteristics TF6746_A_NOT_DXA230_REFERENCE 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. · Cleaning and user maintenance shall not be made by children without supervision. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 4: Description

    /h or 230 m /h). The Heat Recovery Unit : DXA Unit The DXA has been specifically designed for wall or cupboards installation. Thanks to its wellfitted dimensions, the DXA can be installed in technical rooms, wallmounte. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 5 10 mA max 5V DC OUT 1 OUT 2 IN 2 IN 1 0 Volt 2I2O MODULE Preheater + 2I2O Module Smart pannel interface Exhaust units Galvanised steel body with built-in resistance (optional) (Optional) List of components TF6746_A_NOT_DXA230_REFERENCE 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 TF6746_A_NOT_DXA230_REFERENCE 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 TF6746_A_NOT_DXA230_REFERENCE 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 for the DXA Unit. Ø6 mm DXA Unit DXA Unit Note : For plasterboard walls, molly metal anchors may be used instead of provided plastic anchors. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 10 Duct diameters and recommendation concerning the type of ducts airflows in each wet room. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 11: Duct Connections To The Dxa Unit

    · 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: Defrosting (Optional)

    2. Push the red button and screw back the black cap on 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 DXA Unit.

  • Page 13: Smart Interface

    RJ45 outlet of the 2I2O module. Preheater (mandatory to drive 1 or 2 preheaters) 230V 3x1,5mm to circuit breaker 2x0,75mm wires Modbus cap (or toward smart interface Wi-Fi ON output 1 out 1 2I2O out 2 in 2 in 1 TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 14: Special Care For The Ductwork

    (see recommendations for the installation of the units in page 27). 3.7. FIRE PROTECTION The installation must comply with the fire protection standards in force in the country concerned. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 15: 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 16: Electrical Connection On The Dxa Unit

    Ethernet 230VAC, 50/60Hz, 180W max ON / OFF 230VAC 1.5mm² 230VAC 1.5mm² 230VAC 1.5mm² To circuit breaker 2A The main power supply is on the DXA Unit. Smart Interface (optional) and 2I2O module (if pump or preheater). TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 17: 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 DXA1705 THE DXA1706 is provided with a built in siphon.

  • Page 18: Starting And Settings Of The Dxa

    · On the device internet browser address bar (Android, Chrome, Safari…), the following addresses give an access to the settings and to the user home page of the DXA's interface: · http://dxr-mb.lan/ to go to the Home page, TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 19: Dxa Home Page

    - Exterior T° set point fixes the minimal exterior T° to proceed free cooling (risk of condensates outside of the ductwork if T° is too low) and if supply ductwork is not insulated - Interior T° set point to manage the bypass. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 20 (80 m /h, 140 m /h, 200 m /h or 230 m /h). At the supply, supply fan motor runs in such a way that at all time, amount exhaust airflows and amount supply airflows are mass-balanced. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 21: First Start

    Then, load the 4 files to bring up to date the whole device. In case of major issue (fatal issue after upgrade), restart the device with the SOS version by 5 x (switch OFF - switch ON) The upgrade operation must be performed by skiled operator only TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 22: Maintenance

    · check and cleaning if the grilles protecting the fans are obstructed 6.2. POWER SUPPLY AND MOTOR MATERIAL PROTECTIONS In case of dysfunction of the appliance, these protections will be turned on. It is then necessary to disconnect the appliance during 30 seconds to restart the DXA Unit. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 23: Filters

    2. Remove the three filter hatches by 3. Remove each filter by holding it firmly along its pulling out the hatches' handle. edge and pulling it out of the filter slot (the filter is a push-fit item and not fastened in place). TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 24 3. Switch on the unit Wi-Fi ON 4) Reset the filters in the MAINTENANCE menu : MAINTENANCE > Filters status > Filter reset TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 25: Troubleshooting

    - To erase all parameters, proceed a resert in MAINTENANCE / SYSTEM PARAMETERS / RESET. How to reset the device ? lauching the Wisard application Then, launch the Wisard application. Parameters have to be set again (Pressure / T° set points, (parameters remain the same) durations, K factors, etc.) TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 26: Acceptance Of Works

    · the airflow when supply and exhaust ductworks are stopped up (spilages measurement), (<40 m /h with PWM fanmotors = 80% in the synoptic advanced tool) · possibly, the sound level in the main rooms and very close to the fans, TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 27: 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. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 28: 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 TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 29 Bonding with vapour barrier adhesive tape or pose of a sleeve with adhesive tape Vapour barrier Mastic seal Airtightness of roof outlet Recommendations to control the tightness of the wall bushing: Insulation Mastic seal Tube Airtightness of wall-mounted outlet TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 30: Supply And Exhaust Units

    50 mm of glass wool or equivalent. At supply and exhaust units, airflow must be adjusted by the installer. Desired flow rates may be achived by the use of foam in the pipe or by the use of manual balancing register. TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 31: Supply Units / Exhaust Grilles

    · less than 20 Pa at 230 m The use of a double used air/fresh air duct is not recommended for this type of installation (Make sure that it avoids the mixing between the intake of fresh air and the discharge of used air). TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.

  • Page 32: Environmental Concerns

    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 33: 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 (optional) G4 filter Ducts cover (optional, code : ADX1448) TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 34 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 TF6746_A_NOT_DXA230_REFERENCE Aereco S.A.
  • Page 35 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 TF6746_A_NOT_DXA230_REFERENCE 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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