{"id":45434,"date":"2026-06-17T09:52:51","date_gmt":"2026-06-17T09:52:51","guid":{"rendered":"https:\/\/proair.ee\/toode\/aerauliqa-qr400a-heat-recovery-ventilation-unit-up-to-363-m%c2%b3-h-filter\/"},"modified":"2026-06-17T09:52:51","modified_gmt":"2026-06-17T09:52:51","slug":"aerauliqa-qr400a-heat-recovery-ventilation-unit-up-to-363-m%c2%b3-h-filter","status":"publish","type":"product","link":"https:\/\/proair.ee\/en\/toode\/aerauliqa-qr400a-heat-recovery-ventilation-unit-up-to-363-m%c2%b3-h-filter\/","title":{"rendered":"AERAULIQA QR400A HEAT RECOVERY VENTILATION UNIT, up to 363 m\u00b3\/h, filter"},"content":{"rendered":"<h2>AERAULIQA QR400A HEAT RECOVERY VENTILATION UNIT Made in Italy<\/h2>\n<div class=\"text\">\n<div class=\"perex\">Ventilation unit with heat exchanger \u2014 wall-mounted unit, plate heat exchanger, EC motor, filter, various speeds<\/div>\n<ul>\n<li>Easy installation: A mounting bracket is included to make it easy to hang the device on the wall.<\/li>\n<li>Simplified electrical connection: The device is supplied with a cord.<\/li>\n<li>An ISO 60% (G4) coarse filter that can be easily removed for cleaning. If desired, the unit can also be equipped with an additional ISO ePM1 60% (F7) filter on the intake side. <\/li>\n<li>Integrated automatic bypass (without heat recovery) for cooling during the summer season.<\/li>\n<li>Automatic freeze protection to prevent freezing on the suction side of the heat exchanger.<\/li>\n<li>Two connections for condensate drainage make it easy to change the unit&#8217;s configuration and monitor condensate formation in both winter and summer.<\/li>\n<li>The device&#8217;s left\/right configuration can be adjusted on the screen to ensure installation flexibility.<\/li>\n<\/ul>\n<p class=\"bold\"><a href=\"https:\/\/www.aerauliqa.com\/pdf\/datasheet\/QR400A.pdf\">PRODUCT CATALOG<\/a><\/p>\n<\/div>\n<div class=\"ke-stazeni flexbox\">\n<div class=\"file oneRow pdf\"><a href=\"https:\/\/www.aerauliqa.com\/pdf\/instructions\/QR280A-400A-550A.pdf\">USER MANUAL<\/a><\/div>\n<div><\/div>\n<\/div>\n<div class=\"dalsi-texty\">\n<div class=\"text2\">\n<p>For vertical wall mounting.<\/p>\n<\/div>\n<h3>Function<\/h3>\n<div class=\"text2\">\n<p>The fan&#8217;s outer housing is made of powder-coated galvanized steel for a durable and sturdy construction. The unit is white (RAL 9010). <\/p>\n<p>The internal EPP (expanded polypropylene) structure reduces noise emissions and ensures maximum airtightness and thermal insulation.<\/p>\n<p>Standard EC motors with external rotors for energy efficiency. Equipped with integrated thermal protection and mounted on sealed ball bearings for a lifetime of service. <\/p>\n<p>A dynamically balanced, backward-curved centrifugal impeller, driven directly by a motor, ensures a smooth airflow through the unit.<\/p>\n<p>A highly efficient counterflow heat exchanger for maximizing heat recovery.<\/p>\n<p>The device is equipped with a multifunctional LCD screen (CTRL-DSP) to ensure automatic control and convenience, and offers:<\/p>\n<p>\u2022 3 speeds (adjustable).<\/p>\n<p>\u2022 Zoom option.<\/p>\n<p>\u2022 Vacation mode.<\/p>\n<p>\u2022 Night mode.<\/p>\n<p>\u2022 Weekly timer.<\/p>\n<p>\u2022 Passing setting.<\/p>\n<p>\u2022 Airflow equalization.<\/p>\n<p>\u2022 Filter replacement indicator and fan malfunction.<\/p>\n<p>\u2022 Work hours counter.<\/p>\n<p>\u2022 Saving and loading settings.<\/p>\n<p>\u2022 Compatible with outdoor sensors (SEN-HY, SEN-PIR).<\/p>\n<p>\u2022 ModBus interface.<\/p>\n<p>\u2022 Connection with remote preheating or post-heating.<\/p>\n<p>\u2022 Connection to an external water supply for heating.<\/p>\n<p>\u2022 Left or right version (air connection).<\/p>\n<\/div>\n<h3>Fulfillment<\/h3>\n<div class=\"text2\">\n<ul>\n<li>Multifunctional LCD display (CTRL-DSP) for automatic control and convenience, offering:<\/li>\n<li>3 speed settings (adjustable)<\/li>\n<li>Expand the selection<\/li>\n<li>Vacation Mode<\/li>\n<li>Night Mode: At night, automatic operation is disabled via sensors to prevent unwanted increases in speed and the resulting increase in noise.<\/li>\n<li>Automatic detour.<\/li>\n<li>Airflow balancing.<\/li>\n<li>Filter replacement and fan malfunction indicator.<\/li>\n<li>Hours Worked Counter<\/li>\n<li>Saving and loading settings.<\/li>\n<li>Potential-free contacts for remote sensors.<\/li>\n<li>1\u201310 V analog input for the &#8220;slave&#8221; function when connected to a BMS (home automation) system.<\/li>\n<li>Integrated 230 terminal for a remote power switch, i.e., lights or a special<\/li>\n<li>switch.<\/li>\n<li>Connection with external preheating\/post-heating.<\/li>\n<li>Maximum airflow: 363 m\u00b3\/h at 100 Pa<\/li>\n<li>Voltage: 1x 230 V<\/li>\n<li>Motor(s) power: 160 W EC<\/li>\n<li>Speed settings: variable speed<\/li>\n<li>Recovery efficiency at reference flow rate (weighted): 86%<\/li>\n<li>Maximum air temperature \/ region: -\u00b0C \/ 40\u00b0C<\/li>\n<li>Noise level: 47 \/ 43 \/ 44 \/ 46 \/ 45 LpA at 3 m\u2014intake \/ intake \/ exhaust \/ exhaust \/ surrounding area<\/li>\n<li>Filters: G4 \/ G4<\/li>\n<li>Weight: 34.5 kg<\/li>\n<li>Connection: \u00d8150 mm\/\u00d8160 mm<\/li>\n<li>Manufacturer: Aerauliqa srl<\/li>\n<li>Manufacturer part number: 003696<\/li>\n<li>Control System: The device features a multifunctional LCD screen (CTRL-DSP) for automatic control and convenience, offering:<\/li>\n<li>\u2022 Several language versions, including Czech.<\/li>\n<li>\u2022 3 speeds (adjustable).<\/li>\n<li>\u2022 Zoom option.<\/li>\n<li>\u2022 Vacation mode.<\/li>\n<li>\u2022 Night mode.<\/li>\n<li>\u2022 Weekly timer.<\/li>\n<li>\u2022 Passing setting.<\/li>\n<li>\u2022 Airflow equalization.<\/li>\n<li>\u2022 Filter replacement indicator and fan malfunction.<\/li>\n<li>\u2022 Work hours counter.<\/li>\n<li>\u2022 Saving and loading settings.<\/li>\n<li>\u2022 Compatible with outdoor sensors (SEN-HY, SEN-PIR).<\/li>\n<li>\u2022 ModBus interface.<\/li>\n<li>\u2022 Connection with remote preheating or post-heating.<\/li>\n<li>COMMISSION REGULATION (EU) No. 1253\/2014 Compliant with ErP2018 requirements<\/li>\n<li>SEC, calculated for average climate conditions (cold \/ moderate \/ warm): -80.8 \/ -42.1 \/ -17.3 kWh\/(m\u00b2.a), energy efficiency class A+ (2016)<\/li>\n<li>Declared typology: RVU bidirectional<\/li>\n<li>Drive type: variable speed<\/li>\n<li>Heat recovery system type: Regenerative<\/li>\n<li>Recovery efficiency at reference flow rate (weighted): 86%<\/li>\n<li>Electrical power input for the fan drive, including the device for controlling the motor at maximum current: 160W<\/li>\n<li>Acoustic power level emitted by the cabinet: 52 LwA<\/li>\n<li>Reference flow rate: 0.0706 m\u00b3\/s<\/li>\n<li>Difference in reference pressure: 50 Pa<\/li>\n<li>SPI: 0.268 W\/(m\u00b3\/h)<\/li>\n<li>Ventilation control [CTRL]: 0.65<\/li>\n<li>Declared maximum external leakage (%) \/ declared maximum internal leakage (%): 0.6 \/ 0.4<\/li>\n<li>Features: wall-mounted, plate heat exchanger, thermal bypass, wired remote control, EC motor, filter, variable speed<\/li>\n<\/ul>\n<\/div>\n<h3><\/h3>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<h3>AERAULIQA QR400A HEAT RECOVERY VENTILATION UNIT, up to 363 m\u00b3\/h, EC motor<\/h3>\n<p>Ventilation unit with heat exchanger \u2014 wall-mounted unit, plate heat exchanger, EC motor, filter, various speeds<\/p>\n","protected":false},"featured_media":45435,"template":"","meta":{"_acf_changed":false,"_seopress_titles_title":"AERAULIQA QR400A Heat Recovery Ventilation 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