Envistar Flex – ThermoCooler HP

Air handling unit with rotary heat exchanger

Air handling unit with integrated controls and a wide range of functional sections. Integrated reversible heat pump with stepless cooling and heating capacity.

View air flow ranges

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	Reversible heat pump	Rotor	Rotor w/ cooling unit	Counter-flow exchanger	Counter-flow exchanger w/ cooling unit	Plate heat exchanger	Coil heat exchanger double-stacked	Coil heat exchanger
1280
1080
980
850
740
600
480
400
360
300
240
190
150
100
	m³/s 0.0 2.0 4.0 6.0 8.0 10.0 12.0

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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 rotary heat exchanger and ThermoCooler HP

Here you will find dimensions and weights as well as power and performance information about Envistar Flex with rotary heat exchanger and ThermoCooler HP .

m³/hm³/s

Size	Cooling recovery	Air flow (m³/s)				Dimension (mm)					Control unit location	Effect and fuse
Size	Cooling recovery	Min	SFP_v1,6	Ecodesign	Max	Width	Height	Length	Width duct connection	Height duct connection	Control unit location	Cooling effect (kW)	System voltage
100-2V	-	0.25	0.73	0.93	0.93	1070	1090	2550	700	300	On unit roof	14.9	400VAC
100-4V	Yes	-	-	-	-	-	-	-	-	-	On unit roof	21.9	400VAC
150-2V	-	0.38	1.15	1.23	1.23	1170	1470	2770	800	500	On unit roof	24	400VAC
150-4V	Yes	-	-	-	-	-	-	-	-	-	On unit roof	32.7	400VAC
190-2V	-	0.5	1.61	1.91	2.12	1450	1470	2770	1000	500	On unit roof	30.9	400VAC
190-4V	Yes	-	-	-	-	-	-	-	-	-	On unit roof	44.9	400VAC
240-2V	-	0.58	1.92	2.26	2.48	1450	1686	2990	1000	600	On unit end	32.7	400VAC
240-4V	Yes	-	-	-	-	-	-	-	-	-	On unit end	46.4	400VAC
300-2V	-	0.68	2.44	2.81	2.91	1666	1686	2990	1200	600	On unit end	47	400VAC
300-4V	Yes	-	-	-	-	-	-	-	-	-	On unit end	67.3	400VAC
360-1V	-	0.85	2.63	3.11	3.64	1666	2060	3090	1200	800	On unit end	50.7	400VAC
360-2V	-	0.85	2.63	3.11	3.64	1666	2060	3090	1200	800	On unit end	54.3	400VAC
400-1V	-	0.92	3.26	3.56	3.93	1930	1900	3090	1400	700	On unit end	51.6	400VAC
400-2V	-	0.92	3.26	3.56	3.93	1930	1900	3090	1400	700	On unit end	57.6	400VAC
400-4V	Yes	-	-	-	-	-	-	-	-	-	On unit end	83.4	400VAC
480-1V	-	1.07	3.9	4.38	4.61	2040	2060	3090	1400	800	On unit end	62.9	400VAC
480-2V	-	1.07	3.9	4.38	4.61	2040	2060	3090	1400	800	On unit end	72.9	400VAC
480-4V	Yes	-	-	-	-	-	-	-	-	-	On unit end	104	400VAC
600-2V	-	1.34	4.68	5.34	5.57	2250	2270	3090	1600	800	On unit end	92	400VAC
740-2V	-	1.71	5.95	6.83	7.34	2480	2480	3710	2000	900	In unit next to fan	112.2	400VAC
850-2V	-	1.98	7.25	8.28	8.47	2610	2740	3710	2200	1000	In unit next to fan	128.1	400VAC
980-2V	-	2.38	7.8	8.93	10.05	2860	2980	3710	2400	1100	In unit next to fan	144.6	400VAC
1080-2V	-	2.38	8.45	9.98	10.14	3000	3000	4310	2400	1100	In unit next to fan	162.9	400VAC
1280-2V	-	2.7	9.85	11.16	11.46	3180	3180	4310	2600	1200	In unit next to fan	188.3	400VAC

Technical data for related products

Documentation forEnvistar Flex Rotary Heat Exchanger ThermoCooler HP

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
STE-08 DX-cooling 1 step	Control code	English	-	-
STE-10 Night Cooling with Outdoor Air	Control code	English	-	-
STE-18 Precooling	Control code	English	-	-
STF-01-...Lockable main switch, 16-100A	Control code	English	-	-
STF-02 Timer 1–5 hours	Control code	English	-	-
STF-03-...Operation mode	Control code	English	-	-
STF-04 External stop AHU	Control code	English	-	-
STF-05 Presence sensor	Control code	English	-	-
STF-06… Air quality (CO2) fan control	Control code	English	-	-
STF-10-... Control of parallel connected unit	Control code	English	-	-
STG-01 Filter monitoring	Control code	English	-	-
STG-04 Min limitation exhaust air temperature of heat exchanger	Control code Configuration and settings	English	-	-
STG-11… Residential ventilation design of rotary heat exchanger	Control code Configuration and settings	English	-	-
STG-12 Water trap heater	Control code Configuration and settings	English	-	-
STG-13 Carbon filter monitoring	Control code Configuration and settings	English	-	-
STG-17 Pressure balance control	Control code Configuration and settings	English	-	-
STG-19 Rotary heat exchanger defrosting	Control code Configuration and settings	English	-	-
STG-24 Refrigerant detection	Control code Configuration and settings	English	-	-
STH-… Fire alarm features	Control code Configuration and settings	English	-	-
STH-D1C-10 Fire detection from fire alarm central	Control code Configuration and settings	English	-	-
STH-D1F-… Fire detection through soot clogged filter	Control code Configuration and settings	English	-	-
STH-D1R-... Smoke detectors	Control code Configuration and settings	English	-	-
STH-D1T-… Fire detection via temperature	Control code Configuration and settings	English	-	-
STH-F1B-… Extern fire-fan control	Control code Configuration and settings	English	-	-
STH-F1D-… Fire mode fan control	Control code Configuration and settings	English	-	-
STH-S1A-… Fire Damper placement, shut-off in duct (no actuator)	Control code Configuration and settings	English	-	-
STH-S1B-… Fire Damper placement, bypass on unit	Control code Configuration and settings	English	-	-
STH-S1E-… Fire damper placement, evacuation in duct (no actuator)	Control code Configuration and settings	English	-	-
STH-S1M-… Control of damper with fire protection function	Control code Configuration and settings	English	-	-

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

Learn more about Easy Access

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.