Envistar Flex

Air handling unit with coil heat exchanger

Innovative air handling unit with integrated controls and a wide range of functional sections.

Why choose Envistar Flex?

Envistar Flex is available with a wide range of functional sections, fans, motors and heat recovery units, providing excellent conditions for energy-optimised air handling.

Envistar Flex can be delivered in sections to facilitate transport into the building. There are also versions that are designed especially to be placed outdoors.

The units are designed for comfort ventilation of premises and are suitable for most types of property, e.g. schools, offices, hotels, shopping centres, industrial premises and hospitals.

Envistar Flex – air handling units with high flexibility. Here in an outdoor version on the roof of battery manufacturer Modine.

Airflow

0.10–13.0 m³/s

18 sizes

High flexibility and large airflow range

IV Produkt Cloud

Can be controlled and monitored via cloud service

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Cost-effective

Low installation and operating costs

Patented defrosting

ODS Optimised Defrosting System ensures the highest possible annual efficiency

Integrated cooling unit

Option: EcoCooler, also with cooling recovery. Stepless control of cooling power via frequency converter.

Comfort cooling and heat pump in one

Option: The reversible heat pump ThermoCooler HP with stepless control of cooling and heating power

Optimised energy efficiency

Energy optimisation function – ECO

Efficient fans

The fans have PM motors with EC or frequency converter control

Wide selection of sections

Mixing section, recirculation section and much more available as options

For all weather conditions

Available in outdoor configuration

Air flow ranges for Envistar Flex

m³/hm³/s


	EcoDesign air flow Technical max air flow	Coil heat exchanger double-stacked	Rotor	Rotor w/ cooling unit	Reversible heat pump	Counter-flow exchanger	Counter-flow exchanger w/ cooling unit	Plate heat exchanger	Coil heat exchanger
1580
1540
1280
1250
1080
980
850
740
600
480
400
360
300
240
190
150
100
060
	m³/s 0.0 2.5 5.0 7.5 10.0 12.5 15.0

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m³/hm³/s

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Envistar Flex with rotary heat exchanger

Air flow

Min:0.11m³/s

Max:15.46m³/s

Envistar Flex with rotary heat exchanger and EcoCooler

Air flow

Min:0.22m³/s

Max:11.46m³/s

Envistar Flex with rotary heat exchanger and ThermoCooler HP

Air flow

Min:0.25m³/s

Max:11.46m³/s

Envistar Flex with counter-flow heat exchanger

Air flow

Min:0.13m³/s

Max:8.5m³/s

Envistar Flex with counter-flow heat exchanger and EcoCooler

Air flow

Min:0.22m³/s

Max:8.06m³/s

IV Produkt Designer Product selection software

For object-specific data, use our product selection software

IV Produkt Designer

Envistar Flex med plate heat exchanger

Air flow

Min:0.33m³/s

Max:14m³/s

Envistar Flex with plate heat exchanger and EcoCooler

Air flow

Min:0.33m³/s

Max:11.46m³/s

Envistar Flex with coil recovery

Air flow

Min:0.11m³/s

Max:14.1m³/s

Envistar Flex with coil recovery and EcoCooler

Air flow

Min:0.22m³/s

Max:11.46m³/s

Envistar Flex in single-stacked configuration

Air flow

Min:0.11m³/s

Max:11.2m³/s

Envistar Flex in Single-stacked configuration with coil recovery

Air flow

Min:0.11m³/s

Max:9.5m³/s

Envistar Flex Supply Air Unit

Air flow

Min:0.11m³/s

Max:11.2m³/s

Envistar Flex Extract air unit

Air flow

Min:0.11m³/s

Max:11.2m³/s

Technical dataforEnvistar Flex with coil recovery

Here you will find dimensions and weights as well as power and performance information about Envistar Flex with coil recovery .

m³/hm³/s

Size	Air flow (m³/s)				Dimension (mm)					Control unit location	Weight (kg)	System voltage
Size	Min	SFP_v1,5	Ecodesign	Max	Width	Height	Length	Width duct connection	Height duct connection	Control unit location	Weight (kg)	System voltage
60	0.11	0.37	0.5	0.55	890	960	2530	500	300	On unit roof	535	400VAC
100	0.17	0.52	0.6	0.83	1020	1090	2530	700	300	On unit roof	615	400VAC
150	0.29	0.94	1.15	1.5	1120	1470	2750	800	500	On unit roof	845	400VAC
190	0.38	1.18	1.58	2	1400	1470	2750	1000	500	On unit roof	970	400VAC
240	0.47	1.49	1.88	2.4	1400	1686	2970	1000	600	On unit end	1095	400VAC
300	0.54	1.89	2.3	3	1616	1686	2970	1200	600	On unit end	1250	400VAC
360	0.66	2.4	2.89	3.7	1616	2060	3430	1200	800	On unit end	1540	400VAC
400	0.66	2.6	3.05	4	1880	1900	3170	1400	700	On unit end	1510	400VAC
480	0.85	3.1	3.7	4.8	1990	2060	2970	1400	800	On unit end	1740	400VAC
600	1.06	3.89	4.6	6	2200	2270	2970	1600	800	On unit end	2030	400VAC
740	1.19	5.3	6.3	7.8	2480	2480	3590	2000	900	In unit next to fan	2745	400VAC
850	1.35	6.25	7.5	8.8	2560	2740	3590	2200	1000	In unit next to fan	2870	400VAC
980	1.66	7.4	8.65	9.5	2860	2890	3590	2400	1100	In unit next to fan	3430	400VAC
1080	1.95	7.9	9.5	11.5	3000	3000	4040	2400	1100	In unit next to fan	4180	400VAC
1250	1.75	7.6	9.2	9.8	2580	3360	4040	2200	1200	In unit next to fan	4230	400VAC
1280	2.24	9.1	10.9	12.8	3180	3180	4040	2600	1200	In unit next to fan	4450	400VAC
1540	2.35	9.9	11.9	13.5	3180	3360	4040	2600	1200	In unit next to fan	4750	400VAC
1580	2.48	10.9	13.1	14.1	3500	3500	4040	3000	1200	In unit next to fan	4980	400VAC

Technical data for related products

Documentation forEnvistar Flex Coil Heat Exchanger

Here you will find general documentation for this product series. Download the latest versions of product brochures, instruction manuals, certificates, and other documents.

Your air handling unit

If you are looking for information about your AHU, search using the order number.

Document	Document type	Language	Version		Download/Share
Brochure Envistar	Brochure	English	3	9/2024

Document	Document type	Language	Version		Download/Share
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Control equipment with proprietary software

The entire range has integrated control equipment with software developed by us. We use Siemens Climatix hardware. The control equipment offers over 100 standard features to choose from so that you can optimise according to your needs. Air flow rates and temperatures can be optimised easily. The units can be connected to the web, IV Produkt Cloud or a parent system (BMS) via multiple communication protocols.

Project-specific electrical and control diagrams are included in the delivery. The unit has been function-tested and is ready for commissioning.

Easy site transportation of Envistar Flex
with ThermoCooler HP

Thanks to the smart solutions of split design for the rotary heat exchanger and the reversible heat pump ThermoCooler HP, this large unit is easily transported through a standard door. To learn more, watch the video and get some helpful tips along the way!

Air flow: 4.5 m³/s
Unit size (mounted): W 2220 x H 2465 x L 3760 mm
Split in: 11 sections
Door size: 2100 x 900 mm

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Full control with IV Produkt Cloud

IV Produkt Cloud is a cloud service for our air handling units with integrated controls, giving you and your colleagues the ability to monitor your systems wherever you are.