Aereco DXA 230 EXCELLENCE MB, Installation And Maintenance Instruction

Page 1: ...INSTALLATION AND MAINTENANCE INSTRUCTION ENGLISH VERSION dx system DXR 230 EXCELLENCE MB Heat recovery ventilation for ceiling installation TF7128_A_NOT_INST_DXR230_EXC_MB Aereco S A ...

Page 2: ...of the DXR system 21 5 1 Ways to access to the interface 21 5 2 DXR Home page 25 6 First start 29 6 1 Choice of language 29 6 2 Choice of unit of temperature 29 6 3 Date of installation 29 6 4 Determination of the number of sensors connected 30 6 5 Pairing of sensors and supply ducts 30 7 How to bring up to date the versioning 31 8 Maintenance 32 8 1 Regular maintenance of the installation 32 8 2 ...

Page 3: ...ge unless they have been given supervision or instruction concerning use of the appliance by a 1 2 PICTOGRAMS Warnings Risks of Appliance damage Bad efficiency and longevity of the appliance Risk of electric shock Electrical component ground 1 INTRODUCTION This document presents the installation and maintenance schemes for the whole system person responsible for their safety To avoid any risk do n...

Page 4: ... efficient over ventilation mode also called free cooling mode To reach the required supply airflows in each main room bedrooms or living room dedicated dampers located in the DX Hub 2 modulate room by room supply airflows according to the information sent by each electronic sensors placed in the main rooms For example when the main rooms are occupied the presence or CO2 sensors that are located i...

Page 5: ... box for demand controlled supply airflows BXC b 6 Exhaust unit for balance Interface smart optional Heat recovery unit with balanced demand controlled airflows Preheater 8 Galvanised steel body with built in resistance MCP 125 7 Exhaust compensation valve S CO2 4 CO2 sensor SDC 100 3 Supply unit S PRE Presence sensor Air intake and outlet grilles 9 BXC 5 Exhaust units various sensors RJ 45 cables...

Page 6: ...en filter for the fresh air Return G4 filters to protect fans and the exchanger Continously checking of filter clogging and warning for filter change High efficiency heat exchanger with aluminium plates washable Intelligent electronic control unit of the heat recovery with control interface Integrated bypass and free cooling free warming automatically controlled Flexible duct to drain condensate D...

Page 7: ...ts in DN75 Outlets n 5 and n 6 are dedicated to living room airflows only and modulate both at the same time according to the living room electronic sensor Envelope in galvanised steel Dampers for supply airflows driven by sensors Presence or CO2 for each room Damper for balanced airflows specific to DX Hub 5 The distribution box DX Hub coupled to the exhaust compensation valve enables the balance...

Page 8: ...n place 5 C 50 C 5 C 40 C 5 C 40 C Humidity range of the installation place 5 95 Max 80 at 31 C linear decrease up to 50 at 40 C 5 95 3 2 DXR UNIT AND DX HUB The caps on the DXR Unit must stay during the entire duration of the work in order to keep dust and pollution from getting into the boxes 3 2 1 LOCATION Before the installation be sure of the solidity of the ceiling where you plan to install ...

Page 9: ...he supply before any operation on the appliance The circuit breaker must be easily identified and accessible Recommendation leave an extra 15 cm space around the product to facilitate handling An extra upper or lower space of 2 cm is also recommanded 3 2 3 FIXING OF THE DXR UNIT The DXR Unit and the DX Hub each have 4 brackets for direct fixing to the ceiling above the false ceiling Using studs or...

Page 10: ...itioning requirements The auto blocking fixation system proposed by Aereco can only be used with a concrete ceiling Quick suspension with auto blocking system proposed by Aereco for the DX Unit optional code ADX1106 1 8 9 2 3 4 5 6 7 To pull up the DXR pull the cable downwards To bring down the DXR push the top part of the fixation Installation of the quick suspension system DXR Unit DX Hub DXR Un...

Page 11: ...ters blocks of foam or grilles with nuts inside allowing to adjust room by room supply airflows in each main room All exhaust grilles have to be balanced to reach the required airflow in each wet room kitchen rest room bathroom This may be done by the use od manual registers blocks of foam or grilles with nuts inside allowing to adjust room by room exhaust airflows in each wet room Duct diameters ...

Page 12: ...6 it is necessary to add a foam joint supplied with the DX Hub 6 on the 3rd groove 3 2 6 EVACUATION OF CONDENSATES Condensates must be evacuated to wastewater This evacuation must be insulated if installed outside the heated volume risk of freezing It can be done by gravity with two siphons at the low point or using a lift pump like the one in the air conditioning unit Using a siphon Connect the e...

Page 13: ...stem The valve can be positioned in any direction the maximum length being 232 mm However attention must be paid to the direction of the airflow in the valve an arrow marked on the valve indicates the correct position Check the good quality of the pressure pipe before carrying the installation The pressure pipe must not be crushed The valve must be placed in the duct at a minimum distance equivale...

Page 14: ...h the electrical device at the bottom Note The DXR Unit has been specially designed to work with the defrosting provided by Aereco defrost strategy specific to the DX System and adapted diameter Besides it has been CEM certified with the DXR Unit Using another defrosting can lead to serious problems of functioning and degrade the security of the system Anti frost without pre heating resistance Whe...

Page 15: ...t displays the detections in order to inform the users When luminosity in the room is very low the LED is automatically switched off The S PRE sensor must be installed on the ceiling at a place it can easily detect the presence The operating scenarios are the following ones if detection during the night over ventilation for 45 minutes after the last detection if detection during the day over venti...

Page 16: ...black Modbus cap or toward smart interface Bus cap 2x0 75mm2 wires pump 230V 3x1 5mm2 to circuit breaker IOA output 1 ov ov Pump 2I2O optionnal only to display an error message if the pump is not OK Preheater mandatory to drive 1 or 2 preheaters 2I2O OV in 1 in 2 out 2 out 1 5V 2I2O OV in 1 in 2 out 2 out 1 5V DXR unit RJ45 cable bus cap or toward 2I2O module The 2I2O module may be used to display...

Page 17: ...st be securely attached Tauten the straight parts so that the duct is smooth and straight when using flexible or semi flexible ducts If the flexible duct is longer than necessary it must be cut rather than pushing the surplus into the false ceiling Do not crush the duct or squeeze it down to force it through a narrow passage The interior of the ductwork must be protected during the entire duration...

Page 18: ...e or smart interface may be connected on one of the 2 RJ45 ModBus socket the one you want it doesn t matter for a parallel wiring But the ModBus components may also be connected one after the other for a serial wiring up to you Each modbus line must be ended with a ModBus cap So 2 ModBus caps must be connected on the ModBus network because 2 RJ45 ModBus sockets on the main electronic board A DXR U...

Page 19: ... 60Hz 180W max 4 ON OFF D6688_A Wi Fi ON 4 Modbus connection 5 Modbus connection 6 Ethernet 7 Power ON 8 Modbus ON 9 Modbus traffic To circuit breaker 2A N GND L 3 1 230VAC 1 5mm 230VAC 1 5mm 230VAC 1 5mm 4 2 The main power supply is on the DXR Unit Smart Interface optional and 2I2O module optional if pump or mandatory if preheater ...

Page 20: ...of at least 3 mm on each pole Note there is no alarm in the defrosting provided by Aereco Details of condensate pump electrical connections 4 3 ELECTRICAL CONNECTION OF THE CONDENSATE PUMP The DXR1708 is provided with a siphon It is still possible to connect a condensate pump after the siphon The diagram below displays the electrical connections Dry contact alarm connections The alarm is connected...

Page 21: ... browser address bar Edge Chrome Safari the following addresses give an access to the settings and to the user home page of the DXR interface http 169 254 1 20 to go to the Home page 2 Communication through Wi Fi connexion From any smartphone or from a computer or laptop access to the available Wi Fi network Select the WiFi network named DXR The password to the DXR WiFi is 12345678 On the device i...

Page 22: ...ox Wi Fi and on the smartphone pressing a shortcut button is enough to access the DX interface very easily very user friendly With a connection through a private LAN When connecting the DX unit on a LAN a local IP address is dedicated for the DX unit At home the DHCP server of the inhabitant BOX automatically assigns such a local IP address To access the DX unit through the LAN you need to know th...

Page 23: ...n a Bouygues Telecom BBox At home the smartphone automatically connects the Box Wifi If the DX unit is also connected on the Box it s possible to create a shortcut to access the DX unit This connection is really an easy way to very friendly access the DX unit ...

Page 24: ...NG may be performed at the first connection only Nota 2 To connect the DX unit on the BOX it s also possible to place the DX unit in Station mode and to link the DX unit with the box in the WiFi menu enter the name of the Box Wifi network and enter the Box password But this Wifi way is less robust than a cable linking ...

Page 25: ...he DXR settings Before starting to run the DXR make sure that all the ductwork have been correctly done The Modbus communication cable supplies the 2I2O module if pump or preheater and the smart interface if smart interface all sensors the compensation valve and the hub Reset This erase all configuration data kept in memory A new configuration setting by the use of the wizard is required after a r...

Page 26: ...ial points describing the emailing feature are 1 The emailing of the warnings feature may be enabled disabled 2 When enabled the system send email to one two or three recipients Two recipient email addresses are configurable The third recipient is the manufacturer it is predefined and it is mandatory when you enable this feature 3 There is a button to test the configuration When you click it the s...

Page 27: ...on a button and then the customer will have to choose within a duration list 1 2 3 4 5 6 12 18 24 hours During an over ventilation period bypass is running like if the DX system was in an automatic mode but all dampers in the HUB and in the compensation valve open in such a way that supply airflows are 28m3 h in each pipe for HUB 6x75mm and HUB 8x75mm 40m3 h in each pipe for HUB 6x100mm FREE COOLI...

Page 28: ... be set up Synoptic is available in MAINTENANCE SYSTEM PARAMETERS SYNOPTIC Read Bus values to have an overview of the whole device Set Bus values to check and controle all actuators fan motors speed compensation valve and all hub dampers opening by pass position preheater order pressure sensors calibration select Read BUS values or Set BUS values ...

Page 29: ...only Before starting to run the DX system make sure that all the ductwork has been correctly done The Modbus communication cable supplies the sensors and the exhaust compensation valve DX ductwork is connected to the HUB to the exhaust units and to the exhaust compensation valve There is no leakage in the ductwork 6 1 CHOICE OF LANGUAGE Choose the corresponding image to select the language Remark ...

Page 30: ... the supply units a strong stream of air emerges from the unit concerned while the other ducts deliver the minimum airflow For each room proceed as follows 1 Enter a room name 2 Press button to display the available duct s and a sensor for the room a Select one of the available duct to assign it to the room Selected duct supplies higher airflow than other Only blue duct can be chosen Grey duct ind...

Page 31: ...o the WEB page http 169 254 1 20 webupgrade USER only for the manufacturer staff PASSWORD only for the manufacturer staff 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 ...

Page 32: ...air inlet and exhaust air outlet check the unobstructed passage of air no dead leaves no snow Supply and exhaust units cleaning as recommended by the manufacturer this part can be done by the occupant Evacuation of condensates check that the system is not obstructed by impurities WARNING Plan replacement of the condensates evacuation pump according to the life span announced by the supplier If usi...

Page 33: ... this operation All filters 1xG4 and 1xF7 must be replaced at the same time Filter removal replacement Removal 2 Remove both filter hatches Remove 2 fixing buttons Hold the hatches with you hand to prevent it from falling 3 Remove each filter by holding it firmly along its edge and pulling it downward out of the filter slot the filter is a push fit item and not fastened in place 1 Switch off the u...

Page 34: ...ter must face the incoming air F7 filter the arrow on the filter must follow the supply air path 2 Ensure that the new clean filters are firmly pushed back into their slots 3 Replace the access hatches with 2 screws 4 Switch on the unit 5 Reset the filters in the MAINTENANCE menu MAINTENANCE filters status filter reset Fresh air outdoor G4 filter Exhaust air indoor F7 filter F7 G4 ...

Page 35: ...e running too fast Aeraulic network not connected Connect the network Pressure loss or major leakage on the network Improve the network installation use the recommended grilles and roof exhausts Be sure to respect the recommendations of installation Too high number of extraction grille Check the operating limits Filters are clogged Make sure filters have been changed when system asked for it Heat ...

Page 36: ...s Accessibility for the DXR Unit Positioning of the DXR Unit vertical and fixation of the DXR Unit to the wall Conformity of connection direction shown by the arrows on the DXR Unit Connection sleeve at the DXR Unit and airtightness of the connections Exhaust air and fresh air duct insulated and Ø160 mm Exhaust balancing in each utility room Supply balancing in each utility room No spilages on the...

Page 37: ... direction shown by the arrows on the DXA Unit Flexible connection sleeve at the DXA Unit and airtightness of the connections Exhaust air and fresh air duct insulated and Ø160 mm Supply voltage 230V Ground connections RJ 12 and RJ 45 connections Individual electrical connection for electrical device defrosting DXA Unit Check that the ducts are single or double according to the design sheet Check t...

Page 38: ...rk is OK Check the pressure in all BXC is OK Set the machine to mode AUTO by selecting it on the web interface Select the pressure of the system according to the dimensioning sheet 60Pa 80Pa 100Pa or 120Pa Wait some minutes until the system finds the balance and measure the pressure on the BXC grills one by one Don t forget to put the cap back on the pressure measurement hole BXC1 pressure BXC2 pr...

Page 39: ... 2 C for DXA and 1 C for DXR Exterior temp set point 15 C to prevent condensates in the supply network during free cooling may be changed decreased if pipe insulation is OK Interior temp set point 20 C according to the inhabitant expectation and the warming device set point Go to manufacturer access and take a screen shot to put it in the commissioning sheet In automatic mode after 2 3 mn regulati...

Page 40: ...ant with the inside and outside T ductwork insulation Teav must be equal to inside T 2 C Tean must be equal to outside T 2 C Check the 2 fan motors speed are compliant with relevant airflows see on curves If measurement is in the bad area check the pressure drops on the network especially grilles air inlets length shape of the pipes and no bottleneck in the pipes Check pressure in the compensation...

Page 41: ...pipe Test airflow when the pipe damper is opened and no airflow when the compensation valve is closed 1 Test the preheater functioning if preheater If preheater start à 100 preheater warming and check the Tean T increases to be allowed to warm supply airflow must be more than 50m3 h Set then the PWM of the preheater to 100 Wait some minutes until the incoming air temperature TEAN begins to increas...

Page 42: ...ly closed If the compensation valve is fully opened remove on 1 BXC the hygro module in order to set it at the max airflow point max opening So the compensation valve shouldn t be fully opened anymore Measure each pipe airflow and check measured airflow is compliant with theorical airflow Pipe 1 max airflow Pipe 2 max airflow Pipe 3 max airflow Pipe 4 max airflow Pipe 5 max airflow Pipe 6 max airf...

Page 43: ...ion sleeve at the DXA Unit and airtightness of the connections Exhaust air and fresh air duct insulated and Ø160 mm Supply voltage 230V Ground connections RJ 12 and RJ 45 connections Individual electrical connection for electrical device defrosting DXA Unit Check that the ducts are single or double according to the design sheet Check that siphon or pump evacuation works properly pipes are not stuc...

Page 44: ...and take a Factory parameters display copy In automatic mode after 2 3 mn regulation stabilisation take a synoptic display copy On this synoptic display in read BUS values Check if supply Qsf and extract Qex are balanced Check T are all compliant with the heat exchanger efficiency µsupply Tsan Tean Teav Tean µexhaust Teav Tsav Teav Tean Check T are compliant with the inside and outside T ductwork ...

Page 45: ...1 max airflow BXC2 max airflow BXC 3 max airflow BXC4 max airflow Check the sum the amount exhaust airflow full opened BXCs Compensation valve is compliant with the exhaust airflow displays on the synoptic 20 Supply checking Measure each pipe airflow and check measured airflow is compliant with theorical airflow Pipe 1 max airflow Pipe 2 max airflow Pipe 3 max airflow Pipe 4 max airflow Pipe 5 max...

Page 46: ...ion by accessories with gasket Fresh air and used air ducts in heated space must be insulated with 50 mm insulation to avoid any condensation problems 11 SPECIFIC RECOMMENDATIONS FOR AIRTIGHTNESS AND INSULATION OF THE INSTALLATION To remain airtight in the long term the ductwork must be mechanically strong attachment between duct elements and correctly supported Failing this the sag may eventually...

Page 47: ...ets or self piercing screws can be used to make accessories and ductwork with gaskets as explained by the manufacturers If it is not planned to use accessories with gaskets it is essential to use a special airtight ventilation adhesive at each junction between ducts or mastic Take care also to do as little cutting as possible on site Any bushings through walls the roof etc must be made with rigid ...

Page 48: ... of roof outlet Airtightness of wall mounted outlet Recommendations to control the tightness of the wall bushing 1 2 3 3 1 2 5 6 4 3 1 Roof hoods 2 Mastic seal 3 Skylight frame 4 Bonding with vapour barrier adhesive tape or pose of a sleeve with adhesive tape 5 Vapour barrier 6 Mastic seal 1 Insulation 2 Mastic seal 3 Tube ...

Page 49: ...n unheated volume must be insulated with 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 Units can be wall mounted or installed in the ceiling they must be readily accessible for cleaning supply and exhaust units and maintenance replace...

Page 50: ...on must be as far as possible from sources of pollution and air discharges at least 3m from the ground if possible on a protected façade The exhaust air for its part must be far from air intakes fresh air inlet doors and windows it must not be a nuisance for the occupants If possible use a different façade from the air intake in order to avoid mixing between the fresh air and the stale air We reco...

Page 51: ...reco guarantee the replacement or the supply of the equipment found to be defective after inspection by its after sales service In any case the warranty may not cover additional costs of labour transport or compensation of any kind The warranty does not cover damage due to improper installation in this manual improper use or attempted repair by unauthorized personnel In case of problems please con...

Page 52: ..._INST_DXR230_EXC_MB Aereco S A 16 CHARACTERISTICS 1 Base 2 Control and supply box 3 Fans 4 Heat exchanger 5 Condensates receiver 6 Bottom cover 7 G4 filters 8 F7 filter 9 Access hatches of the filters 1 2 3 3 7 4 5 6 8 9 ...

Page 53: ...82 efficiency Filters on supply air 1 x F7 on exhaust air 1 x G4 Weight kg 46 Colour galva Material main galvanised steel with phonic and thermal insulation Dimensions mm with duct connectors 260 x 650 x 1200 without duct connectors 260 x 650 x 1160 Installation Max number of main rooms 6 Max number of technical rooms 5 Connections 2 x 2 x ø160 mm Installation horizontal only to the ceiling 4 poin...

Page 54: ...54 56 TF7128_A_NOT_INST_DXR230_EXC_MB Aereco S A DIMENSIONS IN MM DXR UNIT 124 316 170 650 DN160 DN160 1160 1260 246 256 161 723 218 50 714 688 340 50 184 50 140 328 13 ...

Page 55: ...50 200 250 0 50 100 150 200 250 300 350 0 50 100 150 200 250 0 10 20 30 40 50 60 70 80 90 100 a b c d Pressure in Pa Airflow in m3 h Power in W Airflow in m3 h 80 m3 h 140 m3 h 200 m3 h 230 m3 h DXR Unit maximal airflow setting 80 m3 h 140 m3 h 200 m3 h 230 m3 h DXR Unit maximal airflow setting a 40 dB b 43 dB c 46 dB d 49 dB Sound power level Lwa ...

Page 56: ...0_EXC_MB Copyright Aereco All data and pictures in this document are non contractual and are subject to change without prior notice Aereco S A 62 rue de Lamirault Collégien 77615 MARNE LA VALLEE CEDEX 3 FRANCE www aereco com ...