Dutch version is the standard version. 1.5 • Using the manual This manual starts with a general description of the Renson Flux+ Flat Unit. Read these chapters first to familiarise yourself with the function and location of the most important parts.
1.6 • Used symbols Tip: non-essential, useful information. Warning: Failure to perform the procedure correctly may result in undesirable results or damage to the Renson Flux+ Flat Unit. Danger: Failure to perform the procedure correctly may result in personal injury. 1.7 • Abbreviations...
The Renson Flux+ Flat can be hung on the wall in 2 different ways. The unit can be hung in the vertical method, again depending on how you want pulsion and extraction, you can then rotate the Installation on the wall unit another 180 degrees.
Flux+ Flat – Installation & maintenance manual 2 • Set up and installation (Safety) 2.1 • General regulations and safety regulations The unit in this packaging complies with the prescribed CE safety regulations and UK Conformity Assessment. Flux+ Flat complies with the legal requirements imposed upon electrical equipment. Belgian General Regulations for Electrical Installations (AREI) The socket to which you connect the unit to the mains voltage must comply with the provisions of the AREI.
• The Renson Flux+ Flat is constructed in such a way that it is impossible to come into contact with moving or live components during normal usage and without performing specific actions.
• Maintenance instructions must be followed precisely to prevent damage and/or wear. 2.4 • Specific measures NOTE Ensure Renson Flux+ Flat remains easily accessible at all times so maintenance and servicing can be carried out easily. • The Renson Flux+ Flat complies with the legal requirements imposed upon electrical equipment.
• If no permanent cabling is provided and the power cord is damaged, it can only be replaced with a power cord provided by Renson. If this is not respected and different cabling is used, all guarantee and/or liability for the poor functioning of the product will be void.
• If a customer’s Renson Flux+ Flat is connected to your account via the user app, you have access to the personal data of that customer and you are a data processor within the context of GDPR. In this case, you must comply with the responsibilities of a data processor imposed by privacy legislation.
The unit brings fresh air into the home mechanically and removes polluted air from the home mechanically using 2 integrated fans. To guarantee optimal efficiency, the system must run in balance as much as possible (supply = extraction). The Renson Flux+ Flat is a professional product and must only be installed by a qualified installer.
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Flux+ Flat – Installation & maintenance manual Pos. Name Job title Extraction of polluted air from the interior. Fresh air flow from outside Contaminated extraction air blown outside Provide fresh air in the home Fan (2x) These ensure the supply and extraction of air. By-pass valve (2x) This switches off the heat exchange during hot summer days.
Flux+ Flat – Installation & maintenance manual 3.3 • Symmetrical system The Renson Flux+ Flat Unit is completely symmetrical. The two parts are labelled A and B. Part A is the left part if you view the unit with the RENSON logo on the lid upright.
3.6 • Maintaining air quality • The Renson Flux+ Flat Unit has a CO2 demand signal. The sensor measures the CO2content 24/7 and uses intelligent demand management. The big advantage of this is that the sound level within the home is always as low as possible, as is the energy consumption.
® • Only an installer who has completed a Renson FLUX training course may install, connect, commission and carry out maintenance on the Flux+ Flat other than described in the user manual.
1 unit weighs 24 kg. As standard, 4 units per pallet are supplied from Renson. Avoid strong shocks during transport and handling. When transporting with a forklift, the units must remain attached to the pallet. The units are attached to the pallet by means of 2 straps.
Flux+ Flat – Installation & maintenance manual 5 • Ventilation unit description 5.1 • Checking the delivery Contact the supplier immediately if damage is found when opening the packaging or if it appears that the delivery is incomplete. All packaging contains the following parts: 1 x Flux+ Flat ventilation unit QuickFix brackets with screws Power cord length 2 m with Euro plug 2 x Classic G4 Filter...
Flux+ Flat – Installation & maintenance manual 5.2 • Components of the Flux Flat unit Exploded view of the Flux+ Flat Unit: A list of available parts can be found at: https://dam.renson.net/m/7435923d99529669/original/Flux_Flat_Spare_parts.pdf...
– Inputs: 3x DIGITAL, 1x ANALOGUE (0-10 V) Breeze function Temporary nominal ventilation (= deactivation of demand-driven control) at times when a certain level of cooling is required (=> optimal reduction factors) The complete technical datasheet can be found at this link: https://dam.renson.net/m/35021653ccaac790/original/EN_Techn_data_sheet_Flux+_Flat.pdf...
• 4-position switch, included in the room sensors 5.3.3 • Room sensors The Renson Sense room sensors can be combined with the Flux+ Flat to regulate the local air quality via ventilation air flow rate. These 230 V powered sensors wirelessly communicate robustly with the ventilation unit.
Flux+ Flat – Installation & maintenance manual Flux+ 370 Flat Airflow rate (m3/h) 5.3.5 • Frost protection The Flux+ Flat is equipped as standard with a frost protection mechanism to prevent ice formation in the heat exchanger. Ice formation reduces the efficiency of your ventilation system and can damage the heat exchanger. Each Flux+ Flat unit is equipped with basic frost protection through an unbalance operation.
The table below provides an overview of the maximum recommended air flow rates through the Renson pipe components. Please note that this table does not address pressure drops. To limit the pressure drop across the channels, the length and especially the number of bends per channel must also be limited.
Flux+ Flat – Installation & maintenance manual 6 • Installation 6.1 • Choice of installation orientation NOTE The orientation and location where the Flux+ Flat is installed determines which brackets should hang on which side of the unit and where the condensation drainage point and duct connections will be located. The Flux+ Flat is a flexible unit and can be installed in both ceiling and wall configurations.
Flux+ Flat – Installation & maintenance manual 6.1.2 • Horizontal wall installation Condensation drainage point is provided on the side where EHA is connected. Choose condensation drainage point number 2 for the left version; choose condensation drainage point number 3 for the right version. The control housing will always be located at the top (see image). Left position (factory standard setting) Right position...
Flux+ Flat – Installation & maintenance manual 6.1.3 • Ceiling installation Condensation drainage point is provided on the side where EHA is connected. It is important to determine where the condensation drainage point will be located. Bracket BA ( ) ALWAYS ends up on the side where the condensation drainage point is to be provided.
Flux+ Flat – Installation & maintenance manual 6.2 • Conversion from left-hand version to right-hand version This chapter describes how a unit can be converted from a left to a right version to offer more installation options. The left version shows the house connection HA ( ) (ETA &...
Flux+ Flat – Installation & maintenance manual 6.3 • Prepare the unit for installation 6.3.1 • Parts What do you need? The necessary parts for this installation are included in the standard packaging of the unit. Number Description Quantity Illustration ➀ Suspension bracket for house connection Suspension bracket for outdoor ➁...
Flux+ Flat – Installation & maintenance manual 6.4 • Installing the suspension brackets on the unit 1. Place a blanket or plastic sheet under the unit to prevent damage. Place the unit on the floor with the lid downwards. 2. There are 2 recesses on the underside of the unit. Bracket support must be placed in this recess.
Flux+ Flat – Installation & maintenance manual 6.5 • Marking the suspension brackets When marking the Flux+ Flat, a minimum distance of 350 mm between the wall and the unit must be taken into account to provide sufficient space for connecting the ducts. After a choice has been made about the location of the ventilation unit, the location of the suspension brackets can be determined with: 1.
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Flux+ Flat – Installation & maintenance manual 3. By measuring directly on the bracket with the dimensions indicated here. Renson recommends using method 1 or 2, unless one is used to working without these tools. In this case you can use the bracket & drawing with dimensions in this manual.
6.6 • Condensation drainage point The Renson Flux+ Flat has 4 numbered condensation drainage points. The exact point used to drain the water depends on the installation orientation and was described in Chapter 6.1. The unused drainage points are closed off using the pre-assembled plastic caps.
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Flux+ Flat – Installation & maintenance manual To guarantee a good water drainage point, you must ensure that the unit is always placed at least 100 mm from the wall so the condensation drainage point can always be realised correctly. The water drainage point must slope at least 1 cm/m to ensure a good drainage point. Installation on the ceiling ✗...
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Size : r0252869 This document and all its content, including but not limited to the drawings, pictures, photos, etc.is are owned by one or more entities of the Renson Group. Doc. nr.: units in mm Any dissemination or reproduction in part or whole in any form is prohibited without explicit written permission.
Some examples of set-ups in practice can be seen below, taking into account the above minimum distances and the Renson recommendation to always provide 1 m Acoudec Ø 160 mm on the supply and extraction sides. This will give you a whisper quiet installation.
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Flux+ Flat – Installation & maintenance manual Isodec Ø 160 mm Acoudec Ø 160 mm Easyduct Ø 160 mm Example of a ceiling installation: CEILING 1 Min. 350 mm Min. 350 mm Min. 350 mm 1900 mm 1550 mm CEILING 2 Min. 350 mm CEILING 3 Min.
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Min. 350 mm Flux+ Flat – Installation & maintenance manual CEILING 3 Min. 350 mm Min. 350 mm 1900 mm 1900 mm CEILING 4 Min. 350 mm Min. 350 mm WALL VERTICAL 1900 mm WALL HORIZONTAL Min. 100 mm (voorzie minimaal 350 mm van afgewerkte vloer) Min.
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Flux+ Flat – Installation & maintenance manual CEILING 4 Example of a wall installation: • Vertical wall installation WALL VERTICAL Min. 350 mm Min. 350 mm 1900 mm Min. 100 mm (voorzie minimaal 350 mm van afgewerkte vloer) Min. 350 mm Min. 350 mm 1500 mm WALL HORIZONTAL •...
4 installation flanges and 4x EPP caps as standard. Optionally, additional installation flanges can be used. The following items can be bonded to the installation flanges: • Renson Aludec Ø 160 mm • Renson Isodec Ø 160 mm • Renson Acoudec Ø 160 mm •...
Flux+ Flat – Installation & maintenance manual 6.9 • Vertical wall installation 6.9.1 • Parts What do you need? Article no. Description Quantity Illustration The drill template that forms a part of the – handy box NOTE Mounting material to hang the unit on the wall is not supplied because this depends on the type of wall. It must be provided by the installer.
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Flux+ Flat – Installation & maintenance manual 2. Mark the wall for the mounting holes. Use a spirit level or laser to ensure the unit is hung horizontally and level on the wall (maximum deviation <1.5°). Use the drilling template, which is a part of the packaging, to mark the holes.
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Flux+ Flat – Installation & maintenance manual 4. Only screw the screws into the bottom 2 holes and let them protrude about one centimetre from the wall as shown in the figure. If a threaded rod is used, make sure there is a nut on the end. Vertical wall installation (with screws and plugs) –...
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Flux+ Flat – Installation & maintenance manual 7. Align the 2 other brackets over the top installation points. EXTRA Vertical wall installation (with screws and plugs) – The unit aligned over the pre-drilled holes. 8. Tighten the top installation points. 9. Tighten all the screws so the brackets are pulled against the wall. Start with the top screws. The brackets offer a distance of 13 mm between the unit and the wall to allow the power cord to run behind the unit if necessary.
Flux+ Flat – Installation & maintenance manual 6.10 • Horizontal wall installation 6.10.1 • Parts What do you need? Article no. Description Quantity Illustration The drill template that forms a part of the – handy box NOTE Mounting material to hang the unit on the wall is not supplied because this depends on the type of wall. It must be provided by the installer.
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Flux+ Flat – Installation & maintenance manual 3. Drill the 4 holes and use suspension materials of your choice (for example plug and screw or threaded rod and nut); make sure it is suitable for the surface in question and sturdy enough to support the 25 kg unit. The recesses in the brackets are provided up to M8, it is always recommended that a flat washer be used.
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Flux+ Flat – Installation & maintenance manual 7. Align the 2 other brackets over the remaining pre-drilled holes. Screw the screws into the holes in the wall as shown in the figure. Horizontal wall installation – Tightened screws. 8. Tighten the screws or nuts so the brackets are pulled against the wall. First secure the 2 top ones.
Flux+ Flat – Installation & maintenance manual 6.11.2 • Hanging up the unit NOTE • The QuickFix may only be placed on a solid and flat ceiling. If the QuickFix is installed on a sloping ceiling, the unit may fall and cause physical and material damage. For installation on a sloping ceiling, the same method as for vertical wall installation is recommended.
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Flux+ Flat – Installation & maintenance manual 2. Mark the holes for the mountings on the ceiling. Use the drilling template, included in the packaging, to mark the holes. Installation on the ceiling 1300mm Ceiling mounted Use these drill holes Left position Right position (factory default) >...
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Flux+ Flat – Installation & maintenance manual 6. Move the unit to the installation location. Hold the power cord off the ground while moving the unit. If the cord comes loose, it could easily cause you to slip, trip or fall. 7. Hook the unit into the bracket with the housing. Ceiling installation with QuickFix –...
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Flux+ Flat – Installation & maintenance manual 9. Ensure the unit is securely attached by tightening the supplied 3xM6 bolts in combination with the knurled spring washer and flat washer at the indicated locations (see figure). Ceiling installation with QuickFix – Fix the unit to the QuickFix “indoor”. Ceiling installation with QuickFix –...
– allow Flux+ Flat to use Wi-Fi to communicate with the home network and/or directly with the app installer. Use the supplied Renson USB Wi-Fi dongle for this. – allow Flux+ Flat to use RF communication with the Sense room sensor(s).
Flux+ Flat – Installation & maintenance manual 7.3 • Connect to the mains voltage Flux+ Flat can be fitted in 2 ways: 1. By plugging the supplied power cable into the socket (the socket should be in an easily accessible place). The socket must be within 400 mm of the unit. 2.
Before following this step-by-step plan, please download the application from the respective store. The start up and calibration of the unit can only be carried out with the app developed by Renson. This means you, the installer, will be completely relieved and receive the guarantee that the regulation has been carried out correctly.
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Flux+ Flat – Installation & maintenance manual The benefits you experience from calibration with an app: • Guide through the installation process • Desired nominal air flow rates can be set/adjusted in a simple manner • Configuration can be easily adjusted • Overview of the pressure losses of the installation (after calibration) •...
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Flux+ Flat – Installation & maintenance manual After successful calibration, you can connect the unit to a home network if there is one available. You also have the option to create an installation report, which can be used for SKH for example.
Warning corrective action. – The list of possible malfunctions (and associated possible solutions) in Renson Ventilation Set-up can be consulted via the “Support” menu. The app must be connected to the internet (via Wi-Fi or mobile 4G/5G). • Fan unit The LED bar always shows the status of the unit, see Section 8.6.
Flux+ Flat – Installation & maintenance manual 8.3 • Installation report Starting up Flux+ Flat with the Renson Ventilation Set-up app has the great advantage that all installation parameters are kept up to date in the installer’s web portal (Section 8.4). An installation report with the installation data can then be automatically created digitally in the web portal and sent to the parties involved.
The account created in the installation app or web portal grants access to both. Situation sketch: how/where/when the app and web portal are used within the installation process. Send installation The definition of a report project Download Renson Ventilation Set-up installer.my-lio.eu installer.my-lio.eu Web portal Web portal...
Flux+ Flat – Installation & maintenance manual 8.5 • Operating functionalities If the unit is connected to the internet, the control panel allows you to communicate with the unit via the push buttons. We recommend this given the extensive functionality associated with it. The unit can be accessed perfectly via the app, which can be found in the Play store or via the Apple store.
Flux+ Flat – Installation & maintenance manual 8.6 • Status LED module White The status LED (F) lights up continuously white. The unit starts up. This is what you will see when the unit is switched on. The LED will go out briefly after a short time. This is the time when the configuration is checked. Please note: during the start up phase, a connection cannot be made with your unit via the application.
– Renson Flux+ Flat automatically opens up for 4 hours to connect to the app for the installer. Pressing the button ends the open process for connection. After the 4 hours have elapsed, Renson Flux+ Flat can be reactivated for 4 hours by inserting a thin object in the corresponding hole (button B page 65).
Flux+ Flat – Installation & maintenance manual 8.8 • USB Smart Connect LED Access point active (connection Client active (connection of unit to home between smartphone and unit) via (C) LED code (B) network) or (D) LED off Lights up (the LED flashes quickly during connection) Flashes slowly Lights up (blinks briefly when Access point is activated)
Flux+ Flat – Installation & maintenance manual 8.12 • Circuit diagrams for home automation 8.12.1 • Digital inputs The digital inputs can be controlled in 2 different ways: 1. Potential-free contact: via a continuously closed contact Principle sketch: +12V 1 DIG 2 DIG 3 DIG 4 0-10 V External switch Main circuit board Flux+ Flat 2.
Flux+ Flat – Installation & maintenance manual 8.12.2 • Analogue input No function is associated with the analog input (0-10V). +12V 1 DIG 2 DIG 3 DIG 4 0-10V 8.12.3 • Functional logic The functionality of the inputs is firmly defined: 8.12.3.1 • Digital input Closed contact or logic HIGH on the input Operating status Flux+ Flat Minimum position 1 DIG...
Through the link below you can find the frequency per component: https://renson.net/gd-gb/blog/ventilation-system-maintenance-vital-but-often-forgotten#d-system 9.2 • Cleaning and replacing filters Do not use sprays, abrasives, detergents, solvents or chlorine-containing cleaning agents. They can cause damage to the unit.
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4. Once you have ensured the filters are properly in place, replace the filter covers. The patented hinged filter ensures the filters cannot be fitted in the wrong direction. An innovation from Renson. 5. Press the large button (see Section 8.6) to reset the filter message. This means you can enjoy the unit again...
Flux+ Flat – Installation & maintenance manual 9.3 • Cleaning the heat exchanger You can clean or replace the heat exchanger. In either case, you must follow the procedure below to remove the heat exchanger. NOTE First ensure there is no power applied to the unit. To do this, remove the plug from the wall socket or switch off the machine.
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Flux+ Flat – Installation & maintenance manual 3. Unscrew the tabs (B) of the condensation collection tray (C) one turn and turn the tabs a quarter turn. 4. Remove the condensation collection tray. 5. Unscrew the heat exchanger retaining clamps (4 x) one turn and slide them out.
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Flux+ Flat – Installation & maintenance manual 6. Remove the heat exchanger. You can hold the heat exchanger by the green straps. 7. You can now clean the heat exchanger with clean warm water (max. 40°C) and washing up liquid. Under no circumstances should you use aggressive or dissolving cleaning agents. –...
Flux+ Flat – Installation & maintenance manual 9.4 • Cleaning the sensors This chapter describes how the sensors can be cleaned if they are dirty. Always replace your filters in good time; your filters protect the internal components in the unit and guarantee that everything will continue to work properly.
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Flux+ Flat – Installation & maintenance manual Step 4 • Clean the sensor housing with a dry cloth to clear all the openings. Step 5 • If necessary, clip the sensor housing open so the inside can also be carefully cleaned with a dry cloth. Step 6 • Reassemble the unit in the reverse order.
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The actual product may vary due to adjustments to the product. Renson reserves the right to make technical modifications to the products shown. ® The most recent brochures are available for download at www.renson.eu RENSON NV • Maalbeekstraat 10 • IZ 2 Vijverdam • B-8790 Waregem ®...
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