Name: Main roof module for air supply and extract unit with heat recovery and recirculation function - Cube OV | Flowair
Brand: Flowair
Availability: PreOrder

Main roof module for air supply and extract unit with heat recovery and recirculation function, nominal air flow 8000 m³/h at 250 Pa, modulating energy saving EC fans, ePM2.5 65% (~F7) fresh air intake pocket filter, ePM10 50% (~M5) extracted room air cassette filter, 47 dB(A) sound pressure level at 10 m distance from unit, rotary heat exchanger with over 74.1% recuperation efficiency, recirculation damper ensures even regulation of fresh and recirculated air, Flowair control System with T-box Zone control panel allows devices to be connected to BMS, roof module weight ~600 kg, 2 years WARRANTY for all modules

Manufacturer:

Interested in this product? Contact us:

Arvydas Palivonas

LT, RU, EN
+370 601 74426

Sales representative for Vilnius, Ukmergė, Utena, Kaišiadorys and Varėna regions Get Offer

Andrius Lekarevičius

LT, RU, EN
+370 606 11865

Sales representative for Kaunas, Panevėžys, Šiauliai, Telšiai, Klaipėda, Tauragė, Marijampolė and Alytus districts Get Offer

Models specifications
Technical data
Construction of device
Documentation
Accessories, related items
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Click on the Model for technical data, dimensions, accessories

Cube OV - modular air supply and extract unit with heat recovery and recirculation function
	Cube OV	Main roof module for air supply and extract unit with heat recovery and recirculation function, nominal air flow 8000 m³/h at 250 Pa, modulating energy saving EC fans, ePM2.5 65% (~F7) fresh air intake pocket filter, ePM10 50% (~M5) extracted room air cassette filter, 47 dB(A) sound pressure level at 10 m distance from unit, rotary heat exchanger with over 74.1% recuperation efficiency, recirculation damper ensures even regulation of fresh and recirculated air, Flowair control System with T-box Zone control panel allows devices to be connected to BMS, roof module weight ~600 kg, 2 years WARRANTY for all modules
	Cube OV
	Main roof module for air supply and extract unit with heat recovery and recirculation function, nominal air flow 8000 m³/h at 250 Pa, modulating energy saving EC fans, ePM2.5 65% (~F7) fresh air intake pocket filter, ePM10 50% (~M5) extracted room air cassette filter, 47 dB(A) sound pressure level at 10 m distance from unit, rotary heat exchanger with over 74.1% recuperation efficiency, recirculation damper ensures even regulation of fresh and recirculated air, Flowair control System with T-box Zone control panel allows devices to be connected to BMS, roof module weight ~600 kg, 2 years WARRANTY for all modules

Model: Cube OV

General data

Nominal air flow

m³/h

8000

Pressure drop at nominal air flow

250

Heat recovery - recuperation

Heat exchanger type

Rotary

Heat recovery efficiency

>74,1

Air filters data

Fresh air intake filter type

Pocket

Fresh air intake filter dimensions

860x695x300

Fresh air intake filter class

ePM2.5 65% (~F7)

Extracted room air filter type

Cassette

Extracted room air filter dimensions

800x592x50

Extracted room air filter class

ePM10 50% (~M5)

Construction data

Thermal insulation class (in accordance with PN-EN 13501-1)

Material

AZ185

Housing colour

RAL 9007

Enclosure

50 mm sandwich panels

Insulation

mineral wool 90 m³/kg

Underframe

integrated steel

Main roof module weight

~600

Electrical data

Power supply

V/Ph/Hz

400/3/50

Main roof module rated current

14,2

Main roof module rated power

7,75

Acoustic data

Sound pressure level at a distance of 10 m from the unit

dB(A)

Optional gas heaters

Gas heater model		Gm34	Gm45	Gm65
Nominal heat output	kW	33,6	40,5	62,9
Gas consumption (G20)	m³/h	3,69	4,44	6,88
Exhaust system		integrated
Connection		GZ ¾"	GZ ¾"	GZ ¾"
Minimum air flow rate	m³/h	3500	4200	6500

Optional water exchangers

Water exchanger model		W2, X2	W3, X3	W4, X4
Spigots		2x G1"	2x G1"	2x G1¼"
Capacity	dm³	5,85	7,81	10,26
Rows		2	3	4
Max. working pressure - PS	bar	16
Max. working temperature – TS	ºC	90

Optional DX (Direct eXpansion) exchangers

DX exchanger model		DX - FA2	DX - FA5
Air flow range	m³/h	4000 - 8000	4000 - 8000
Dedicated condensing unit	kW	28	56
Recommended temperature range before the exchanger in cooling (DB - Dry Bulb)	ºC	18 - 13	18 - 13
Recommended temperature range before the exchanger in cooling (WB - Wet Bulb)	ºC	32 - 23	32 - 24
Recommended temperature range before the heat exchanger in heating	ºC	10 - 24	10 - 24
Fluid connection diameter		1/2” (12.7 mm)	5/8” (15.88 mm)
Gas nipple diameter		3/4” (19.05 mm)	1 1/8” (28.9 mm)
Capacity	dm³	3,25	8,75
Max. working pressure - PS	bar	42	42

Water exchangers heating capacity table

Heating capacity tabe (W)			T_ext= -16°C				T_ext= -16°C
Air flow	Model	T_z/T_p	Q_g	T_naw	Dp	m_w	Q_g	T_naw	dp	m_w
m³/val.	-	°C/°C	kW	°C	kPa	m³/val.	kW	°C	kPa	m³/val.
8000	W2	70/50	62,4	33,1	14,3	2,74	63,0	32,5	15,9	2,81
	W3	60/40	68,7	35,3	9,5	3,01	70,8	35,3	10,1	3,10
	W4	40/30	56,0	30,8	15,4	4,86	58,5	30,6	16,7	5,08
6000	W2	70/50	50,8	36,5	9,8	2,23	51,9	36,1	10,2	2,28
	W3	60/40	54,2	38,2	6,2	2,37	55,7	37,9	6,5	2,44
	W4	40/30	52,4	31,0	13,6	4,55	54,7	30,8	14,7	4,75

Air flow - amount of air flowing through the Cube OV
T_ext - outdoor air temperature - measured at the unit's air intake
Model - model of water heater [W2 - two-row, W3 - three-row, W4 - four-row]
T_naw - supply air temperature
T_z/T_p - parameters of water supplying the exchanger
Q_g - heating power of exchanger
Dp - hydraulic gradient on exchanger
m_w - water flow through the exchanger

* The given parameters are for the following assumptions: supplying 100% fresh air, exhaust air with parameters 20°C/40%.

Main roof module
- smooth and automatic fan control
- integrated automation system
- certified heat recovery in a rotary heat exchanger
- recirculated air damper
- supply and exhaust air filters
Condensing unit module
- designed for use with DX (Direct eXpansion) exchanger
- factory-mounted on the same frame as the main roof module
- smooth power regulation
- can be used in temperatures down to -25°C
- reversible, can be used for both heating and cooling
Gas heater module
- smooth regulation of modulating heating power
- convenient servicing on the roof of the building
Roof transition module
- This module is attached to the roof frame, which holds the entire structure of the unit
Air distribution module
- polluted room air is extracted through the side grille
- a water heater can be installed inside (W2, W3, W4)
Cooling / heating exchangers module
- water cooling / heating exchanger (X2, X3, X4)
- DX (Direct eXpansion) exchanger (DX-FA2, DX-FA5)
- built-in condensate trap
Air supply module
- swirl diffuser with actuator and automatic adjustment (D)
- long distance nozzles for high rooms (J)
- ducted flow distributor for low rooms (V)

Cube OV modular ventilation unit with heat recovery and recirculation function

Manuals 1.9 MB

T-box Zone controller

Manuals 7.4 MB

Declarations of conformity 643 KB

MODBUS protocol for connection to BMS 1.8 MB

Model: Cube OV

FLOWAIR control system
	T-box Zone	Intelligent controller with touch screen, built-in room thermostat and programable week calendar, one controller can control up to 31 units, multi-zone control - can create up to 31 zones and control each unit independently, can be connected to BMS
	T-box Zone
	Intelligent controller with touch screen, built-in room thermostat and programable week calendar, one controller can control up to 31 units, multi-zone control - can create up to 31 zones and control each unit independently, can be connected to BMS
Condensing units for Cube OV units with DX heat exchangers
	Cube OV-COND-FA2	28 kW capacity reversible condensing unit module for Cube OV unit with DX heat exchanger
		Cube OV-COND-FA2
28 kW capacity reversible condensing unit module for Cube OV unit with DX heat exchanger
Cube OV-COND-FA5		56 kW capacity reversible condensing unit module for Cube OV unit with DX heat exchanger
	Cube OV-COND-FA5
	56 kW capacity reversible condensing unit module for Cube OV unit with DX heat exchanger
Gas heaters modules for Cube OV units
	Cube OV-Gm34	Gas fired heater module for Cube OV unit (for installation outdoors under the main roof module), 8.13 - 33.56 kW modulating heat output, efficiency while working on min. - max. power 106.97 - 96.30%, minimum air flow 3500 m³/h, max. gas (G20) consumption while working on min. - max. power 0.80 - 3.69 m³/h, CO₂ content of the exhaust gas while working on min. - max. power 8.7 - 9.1%, gas connection 3/4"
		Cube OV-Gm34
		Gas fired heater module for Cube OV unit (for installation outdoors under the main roof module), 8.13 - 33.56 kW modulating heat output, efficiency while working on min. - max. power 106.97 - 96.30%, minimum air flow 3500 m³/h, max. gas (G20) consumption while working on min. - max. power 0.80 - 3.69 m³/h, CO₂ content of the exhaust gas while working on min. - max. power 8.7 - 9.1%, gas connection 3/4"
Cube OV-Gm45	Gas fired heater module for Cube OV unit (for installation outdoors under the main roof module), 8.97 - 40.45 kW modulating heat output, efficiency while working on min. - max. power 105.50 - 96.30%, minimum air flow 4200 m³/h, max. gas (G20) consumption while working on min. - max. power 0.90 - 4.44 m³/h, CO₂ content of the exhaust gas while working on min. - max. power 8.7 - 9.1%, gas connection 3/4"
	Cube OV-Gm45
	Gas fired heater module for Cube OV unit (for installation outdoors under the main roof module), 8.97 - 40.45 kW modulating heat output, efficiency while working on min. - max. power 105.50 - 96.30%, minimum air flow 4200 m³/h, max. gas (G20) consumption while working on min. - max. power 0.90 - 4.44 m³/h, CO₂ content of the exhaust gas while working on min. - max. power 8.7 - 9.1%, gas connection 3/4"
Cube OV-Gm65	Gas fired heater module for Cube OV unit (for installation outdoors under the main roof module), 13.40 - 62.93 kW modulating heat output, efficiency while working on min. - max. power 108.06 - 96.82%, minimum air flow 6500 m³/h, max. gas (G20) consumption while working on min. - max. power 1.31 - 6.88 m³/h, CO₂ content of the exhaust gas while working on min. - max. power 8.7 - 9.1%, gas connection 3/4"
	Cube OV-Gm65
	Gas fired heater module for Cube OV unit (for installation outdoors under the main roof module), 13.40 - 62.93 kW modulating heat output, efficiency while working on min. - max. power 108.06 - 96.82%, minimum air flow 6500 m³/h, max. gas (G20) consumption while working on min. - max. power 1.31 - 6.88 m³/h, CO₂ content of the exhaust gas while working on min. - max. power 8.7 - 9.1%, gas connection 3/4"
Roof transition module for Cube OV unit
	Cube OV-RTM	Roof transition module for Cube OV unit, the main roof module or gas heater module is placed on top of it
	Cube OV-RTM
	Roof transition module for Cube OV unit, the main roof module or gas heater module is placed on top of it
Air distribution module for Cube OV unit
	Cube OV/ADM	Air distribution module for Cube OV unit, for mounting under the roof transition module, contaminated room air is extracted through the grilles on the side of this module, a hot water heat exchanger can be installed inside this module
	Cube OV/ADM
	Air distribution module for Cube OV unit, for mounting under the roof transition module, contaminated room air is extracted through the grilles on the side of this module, a hot water heat exchanger can be installed inside this module
	Cube OV/W2	Water heater for Cube OV unit, mounted inside air distribution module, two row heat exchanger, 62.4 kW heating capacity at 70/50°C water and -16°C air temperatures, 1" water connection
		Cube OV/W2
		Water heater for Cube OV unit, mounted inside air distribution module, two row heat exchanger, 62.4 kW heating capacity at 70/50°C water and -16°C air temperatures, 1" water connection
Cube OV/W3	Water heater for Cube OV unit, mounted inside air distribution module, three row heat exchanger, 68.7 kW heating capacity at 60/40°C water and -16°C air temperatures, 1" water connection
	Cube OV/W3
	Water heater for Cube OV unit, mounted inside air distribution module, three row heat exchanger, 68.7 kW heating capacity at 60/40°C water and -16°C air temperatures, 1" water connection
Cube OV/W4	Water heater for Cube OV unit, mounted inside air distribution module, four row heat exchanger, 56.0 kW heating capacity at 40/30°C water and -16°C air temperatures, 1¼" water connection
	Cube OV/W4
	Water heater for Cube OV unit, mounted inside air distribution module, four row heat exchanger, 56.0 kW heating capacity at 40/30°C water and -16°C air temperatures, 1¼" water connection
Cooling / heating exchangers modules for Cube OV units
	Cube OV/X2	Water cooler / heater module for Cube OV unit, two row heat exchanger, 24.6 kW cooling capacity at 6/12°C water and 30°C air temperatures, 62.4 kW heating capacity at 70/50°C water and -16°C air temperatures, 1" water connection, built-in condensate trap
		Cube OV/X2
		Water cooler / heater module for Cube OV unit, two row heat exchanger, 24.6 kW cooling capacity at 6/12°C water and 30°C air temperatures, 62.4 kW heating capacity at 70/50°C water and -16°C air temperatures, 1" water connection, built-in condensate trap
	Cube OV/X3	Water cooler / heater module for Cube OV unit, three row heat exchanger, 35.9 kW cooling capacity at 6/12°C water and 30°C air temperatures, 68.7 kW heating capacity at 60/40°C water and -16°C air temperatures, 1" water connection, built-in condensate trap
		Cube OV/X3
Water cooler / heater module for Cube OV unit, three row heat exchanger, 35.9 kW cooling capacity at 6/12°C water and 30°C air temperatures, 68.7 kW heating capacity at 60/40°C water and -16°C air temperatures, 1" water connection, built-in condensate trap
Cube OV/X4		Water cooler / heater module for Cube OV unit, four row heat exchanger, 48.7 kW cooling capacity at 6/12°C water and 30°C air temperatures, 56.0 kW heating capacity at 40/30°C water and -16°C air temperatures, 1¼" water connection, built-in condensate trap
	Cube OV/X4
	Water cooler / heater module for Cube OV unit, four row heat exchanger, 48.7 kW cooling capacity at 6/12°C water and 30°C air temperatures, 56.0 kW heating capacity at 40/30°C water and -16°C air temperatures, 1¼" water connection, built-in condensate trap
Cube OV/DX-FA2	DX (Direct eXpansion) heat exchanger module for Cube OV unit, dedicated for 28 kW capacity outdoor condensing unit, minimum air flow 4000 m³/h, recommended temperature range before the exchanger in cooling 18-13°C (DB - Dry Bulb) / 32-23°C (WB - Wet Bulb), recommended temperature range before the exchanger in heating 10-24°C, fluid connection diameter 1/2", gas nipple diameter 3/4", capacity 3.25 dm³, max. working pressure 42 bar, built-in condensate trap
	Cube OV/DX-FA2
	DX (Direct eXpansion) heat exchanger module for Cube OV unit, dedicated for 28 kW capacity outdoor condensing unit, minimum air flow 4000 m³/h, recommended temperature range before the exchanger in cooling 18-13°C (DB - Dry Bulb) / 32-23°C (WB - Wet Bulb), recommended temperature range before the exchanger in heating 10-24°C, fluid connection diameter 1/2", gas nipple diameter 3/4", capacity 3.25 dm³, max. working pressure 42 bar, built-in condensate trap
Cube OV/DX-FA5	DX (Direct eXpansion) heat exchanger module for Cube OV unit, dedicated for 56 kW capacity outdoor condensing unit, minimum air flow 4000 m³/h, recommended temperature range before the exchanger in cooling 18-13°C (DB - Dry Bulb) / 32-24°C (WB - Wet Bulb), recommended temperature range before the exchanger in heating 10-24°C, fluid connection diameter 5/8", gas nipple diameter 11/8", capacity 8.75 dm³, max. working pressure 42 bar, built-in condensate trap
	Cube OV/DX-FA5
	DX (Direct eXpansion) heat exchanger module for Cube OV unit, dedicated for 56 kW capacity outdoor condensing unit, minimum air flow 4000 m³/h, recommended temperature range before the exchanger in cooling 18-13°C (DB - Dry Bulb) / 32-24°C (WB - Wet Bulb), recommended temperature range before the exchanger in heating 10-24°C, fluid connection diameter 5/8", gas nipple diameter 11/8", capacity 8.75 dm³, max. working pressure 42 bar, built-in condensate trap
Air supply modules for Cube OV units
	Cube OV/D	Air supply module with swirl diffuser controlled by electric actuator for Cube OV unit
	Cube OV/D
	Air supply module with swirl diffuser controlled by electric actuator for Cube OV unit
	Cube OV/V	Air supply module with 4 pcs. of ventilation ducts connections, for Cube OV unit
	Cube OV/V
	Air supply module with 4 pcs. of ventilation ducts connections, for Cube OV unit
	Cube OV/J	Air supply module with 4 pcs. of long range nozzles, for Cube OV unit
	Cube OV/J
	Air supply module with 4 pcs. of long range nozzles, for Cube OV unit

Main roof module for air supply and extract unit with heat recovery and recirculation function - Cube OV | Flowair

Select the product model:

Arvydas Palivonas

Andrius Lekarevičius

Optional gas heaters

Optional water exchangers

Optional DX (Direct eXpansion) exchangers

Water exchangers heating capacity table

Main roof module

Condensing unit module

Gas heater module

Roof transition module

Air distribution module

Cooling / heating exchangers module

Air supply module