RAHU, N° 22.04.008 HERU ENERGY RECOVERY UNIT HERU 70 K EC
Östberg supplies energy efficient and high performance ventilation products for a fresh and healthy indoor climate, wherever people live, work or play. Founded in Sweden in the early 1980s, Östberg has grown into a leading global supplier of duct fans and energy efficient air treatment units – with product sales in over 75 countries.
FLEXIBLE AND CUSTOMISED
Consistent customer focus and great flexibility play key roles in Östberg´s business concept. We consider it of particular importance to create a truly world-class indoor environment with the lowest possible energy consumption and sound levels. Our comprehensive product range features units that can handle airflows from 50 litres to 30 cubic metres per second. All our products are CE-labelled for EU, EFTA and EEA markets, and we place great emphasis on making them simple to install and to use.
RESEARCH AND PRODUCT DEVELOPMENT
To maintain and grow the position as a leading technical supplier of high end quality products, Östberg continuously invests heavily in innovation and product development. Our ideas for product development arise from collaborations with our customers, innovations by our technical experts, and from our desire to create even better indoor climates. In our efforts to continuously develop our products, we perform numerous tests and measurements – all in order to meet our customers needs and provide healthier air using energy efficient fan and ventilation products at competitive prices.
QUALITY ASSURED PRODUCTS
Östberg upholds the highest standards for production, with secure quality controls monitoring each product throughout the entire manufacturing process. The company is certified according to the quality and environment standards ISO 9001 and ISO 14001. Östberg is headquartered in Sweden with branches in many countries all over the world.
By choosing an Östberg product you invest in long-lasting quality products powered by innovation.
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HERU 70 K integrates seamlessly into the kitchen design
The HERU 70 K has been developed with a number of improvement areas for both the installer and the end user. Safer and quieter operation through belt drive, easier installation with an integrated handle in the front cover and control via app are some of the updates that have been introduced.
Due to HERU 70 K compact size, it is easy to integrate in the kitchen. With the updated hole design, most cabinet doors from kitchen suppliers will fit or use a standard option from us.
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Kitchen unit for smaller housing
The energy recovery unit HERU 70 K is space-saving and discreet. With the latest technology of efficient heat recovery, the ventilation unit provides a healthy indoor environment, as well as rotary heat exchanger with variable speed control, which results in accurate temperature control.
• Energy recovery unit designed mainly for installation above the kitchen stove.
• The HERU 70 K is equipped with a built-in cooker hood that will get rid of all unwanted smoke, odors and fumes from your kitchen while you are cooking.
• High efficient odor extraction form cooker hood.
• Designed for supply and exhaust air ventilation with energy recovery.
• Suitable for installation in homes and other premises where there are stringent requirements on the indoor environment.
• High temperature efficiency 82%, low energy consumption (SFP), low sound level, high operating reliability and provides clean indoor air.
• Unique design minimizes all thermal bridges.
• Lower environmental sound with new belt drive.
• Controlled via full version app that gives access to all functions regardless of where you are.
• Comes prepared for Modbus communication via RS485.
• The cooker hood comes equipped with a dishwasher safe grease filter.
• The cooker hood is supplied unassembled to facilitate installation.
• Integrated controls for heating/cooling.
• Equipped with integrated electric heater.
• The unit is constructed from double-layer galvanized steel sheet with insulation in between.
• For placement in warm areas.
• All HERU®Kitchen units are equipped with a wall plug.
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UNIT
HERU 70 K EC
Direct drive replaced with belt drive .
A regenerative, non-hygroscopic, aluminum rotating heat exchanger located in the center of the unit. The heat exchanger can also be removed for cleaning.
Grease filter is very easy to remove. Cleaning of filters should be done regularly.
DIMENSION (mm) RIGHT HAND DESIGN WITH BUILT-IN COOKER HOOD
LEFT-HAND DESIGN WITH BUILT-IN COOKER HOOD
CONNECTION BOX (ACCESSORIE)
Comes with incinerable panel filters ePM1 50% as standard, for both exhaust and supply air. The filter is very easy to change.
Airflow is generated by two silent radial fans with EC motors and impellers with forward curved blades. The fans are connected with quick connectors and are very easy to remove for cleaning.
APP – Full Version App that controls, configures and starts up your HERU is included as standard control.
ACCESSORIES
• Filterkit ePM1 50%
• Silencer LDC 125
• Outside wall hood 160
• Remote Control with Modbus
• Extension cable to antenna
• Humidity sensor RH
• Carbon dioxide sensor CO2
• Room sensor
• Pressure Sensor Kit
• Damper motor
• Front cover, plain white in sheet metal, as an option for the kitchen hatch
• Cover strip
• Connection box
• IQC Display
• IQC Easy
CONNECTIONS
• Supply air
• Extract air
• Exhaust air
• Fresh air
EC = Fans with low-energy motors
L = Left-hand design y1 = Version 1
R = Right-hand design
6 324 794 12 21 595 701 42 42 300 291 187 Ø125,5 (4x) 82 192 91 106 82 192 202 RIGHT-HAND
324 794 12 21 595 701 42 42 300 291 187 Ø125,5 (4x) 82 192 91 106 82 192 202 RIGHT-HAND DESIGN 324 794 12 21 595 701 42 42 300 291 202 Ø125,5 (4x) 82 192 106 91 82 192 187 LEFT-HAND DESIGN 21 202 Ø125,5 (4x) 82 192 106 91 82 192 187
70K EC y1 R HERU 70 K EC y1 R
HERU 70 K EC y1
DESIGN
HERU
8010805
L 8010806 ENERGY RECOVERY
TYPE ART.NO Kitchen Capacity
Enclosure class
Sound
Wiring diagram
SOUNDDATA* (dB)
ENERGY RECOVERY UNIT
HERU 70 K EC
7 2016 1254/2014 HERU 70 K EC 44 dB 322 m³/h ErP 2015 ErP 2016 ErP 2018 Total (LwA) 63Hz 125Hz 250Hz 500Hz 1KHz 2KHz 4KHz 8KHz 10V / (76 l/s) (274 m3/h) 48 34 39 44 42 36 34 29 28 66 39 47 56 59 59 61 57 53 77 61 64 69 71 69 71 68 63 63 54 56 58 55 48 44 32 28 8V / (73 l/s) (263 m3/h) 47 35 38 43 41 35 33 29 28 62 37 45 52 55 56 56 52 47 76 60 62 68 70 69 70 67 62 62 53 56 57 55 47 43 31 27 6V / (65 l/s) (234 m3/h) 46 33 38 42 40 35 32 28 27 62 37 45 52 55 56 56 52 47 74 58 60 66 68 67 67 64 59 60 52 54 55 51 45 41 28 24 5V / (60 l/s) (216 m3/h) 45 31 37 40 40 34 31 27 27 60 35 44 50 52 54 54 50 44 73 57 59 65 67 65 66 63 57 58 51 52 54 50 44 39 27 22 4V / (54 l/s) (194 m3/h) 44 32 36 39 39 33 29 26 27 57 34 43 47 50 52 51 47 40 71 55 57 63 65 64 64 61 55 56 50 50 52 48 43 37 25 20 3V / (46 l/s) (166 m3/h) 43 27 37 37 38 33 27 25 27 55 31 41 44 47 50 48 43 36 68 53 55 61 62 62 61 58 51 54 49 47 49 45 40 34 21 16 2V / (37 l/s) (133 m3/h) 43 25 37 37 38 32 26 25 27 51 28 40 40 44 46 44 38 30 66 51 51 57 62 58 56 52 43 51 44 43 45 46 37 29 16 9 HERU 70 K EC 230 V 50 Hz 1 2,0 A 3,3 A 5,4 A 242 W 750 W 1010 W 3050 rpm 41 IP 41 dB (A) 48 kg 4040230 TECHNICAL
Statiskt tryck Pa Statiskt tryck Pa TEMPERATURE EFFICIENCY Flow m3/h Flow m3/h Flow m3/s Flow m3/s Flow m3/s POWER, FANS/FLOW Power W Efficiency η % Power and SFP apply for both of the fans together. Surrounding Cooker hood Supply air Extract air Surrounding Cooker hood Supply air Extract air Surrounding Cooker hood Supply air Extract air Surrounding Cooker hood Supply air Extract air Surrounding Cooker hood Supply air Extract air Surrounding Cooker hood Supply air Extract air Surrounding Cooker hood Supply air Extract air
DATA
Flöde m3/s Voltage Frequency Phase
2 fans Current, heater Total current Power, 2 fans Power, heater
power
Current,
Total
Speed
pressure level at 3 m Weight
PRESSURE/FLOW SUPPLY PRESSURE/FLOW EXTRACT
HERU 70 K_24.04.01_H. Östberg AB www.ostberg.com Join Us On Social Media
