VENTS VUE 270 V5B EC

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Air handling unit in heat- and sound-insulated casing.
Air flow up to 300 m³/h.
Heat recovery efficiency up to 94 %

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Description
Characteristics
Capacity diagram
Downloads
Dimensions
Additional characteristics
Automation unit dimensions
Designation key
Video
Accessories

Description

DESCRIPTION

CASING

The air handling units are the fully featured ventilation units with heat recovery for air filtration, fresh air supply and stale air extract.

The casing is made of 15-26 mm thick expanded polypropylene (EPP), possessing high heat- and sound-insulating properties.

FILTER

FANS

Supply and extract air flows are purified through G4 panel filters.
For extra supply air filtration a F8 filter is available as a specially ordered accessory.

High-efficient electronically commutated motors with external motor and impeller with backward curved blades.

HEAT EXCHANGER

The VUT 270 V5B EC units are equipped with a counter- flow polystyrene heat exchanger.

The VUE 270 V5B EC units are equipped with an enthalpy counter-flow heat exchanger.

BYPASS

AUTOMATION

The VUT/VUE 270 V5B EC units are equipped with a bypass for summer ventilation (cooling of the premise with a cool outside air).

FREEZE PROTECTION

For VUT/VUE 270 V5B EC A14 the freeze protection is realized by means of shutdown the supply fan.
For VUT/VUE 270 V5B EC A21 the freeze protection is realized by means of turning the preheater (available as an accessory) on.

INSTALLATION

The units are designed for wall and floor mounting.
The access for unit and filter maintenance is available on the right and left side.

The VUT/VUE 270 V5B EC A21 units are equipped with control system.
The A21 controller allows integrating the unit into the Smart Home system or BMS (Building Management Systems).
The unit is controlled via Wi-Fi by means of the VENTS Home mobile application that must be downloaded.

The VUT/VUE 270 V5B EC A14 units are equipped with integrated control system and wall-mounted sensor control panel A14 with LED indication.

CONTROL AND AUTOMATION

Functions	A21	A14
External wired control panel	option (A22)	А14
Wired remote LCD control panel	option (А25)	-
External wireless control panel	option (A22 Wi-Fi)	-
BMS	RS-485 Wi-Fi Ethernet MODBUS (RTU, TCP)	-
Service Vents Cloud Server	+	-
Wi-Fi control via mobile application	+	-
Speed selection	+	+
Filter replacement indication	according to filter timer	according to filter timer
Filter replacement indication	according to pressure switch of filter clogging	-
Alarm indication	full alarm description in the mobile application	alarm LED indication
Week scheduled operation	+	-
Bypass	auto	-
Bypass	manual	manual
Timer	+	-
Boost mode	+	-
Fireplace mode	+	-
Freeze protection	cyclic shutdown of supply fan	cyclic shutdown of supply fan
Freeze protection	preheating (option)	-
Reheater connection	option	-
Cooler connection	option	-
Control of minimum supply air temperature	+	-
Humidity control	option	option
CO₂ control	option	option
VOC control	option	-
PM2.5 control	option	-
Fire detector	option	option
*Option. The function is available in case of mounting a respective accessory.

UNIT DESIGN

APPLICATION OPTIONS

Characteristics

Parameter	VUE 270 V5B EC	Measurement unit
Phase	1	˜
Voltage	230	V
Maximum unit power	162	W
Frequency	50/60	Hz
Maximum unit current	1.2	A
Air capacity	300	m³/h
RPM	3200	min^-1
Heat recovery efficiency	72...94	%
Transported air temperature	-25 ... +40	°С
Sound pressure level at 3 m distance	34	dBА
Casing material	expanded polypropylene	-
Insulation	EPP 15-26 mm	-
Filter: extract	G4	-
Filter: supply	G4, * F8	-
Connected air duct size	125	mm
Weight	13.5	kg
Heat exchanger type	counter-flow	-
Heat exchanger material	enthalpy	-
SEC Class	A	-
Option*		-

Capacity diagram

Selection method:
Air flow:
Pressure:

Operating point

Air flow: --
Pressure: ---

Files archieve

Downloads

Dimensions

Characteristics

Parameter	Value	Measurement unit
∅D	125	mm
B	590	mm
H	893	mm
L	316	mm

Additional characteristics

A-weighted sound power level		Gen.	Octave-frequency band [Hz]								LpA, 3 m dBA	LpA, 1 m dBA
A-weighted sound power level		dBA	63	125	250	500	1000	2000	4000	8000
L_wA to supply inlet	dBA	82	65	63	65	80	74	74	68	64
L_wA to supply outlet	dBA	66	60	56	55	63	58	49	40	33
L_wA to exhaust inlet	dBA	85	64	67	71	81	77	79	75	67
L_wA to exhaust outlet	dBA	71	51	64	62	68	60	60	50	42
L_wA to environment	dBA	55	37	45	44	53	43	43	40	38	34	44

Calculation of air temperature at heat exchanger outlet:

t = t_outd + k_hr * (t_extr - t_outd) / 100,

where
t_outd is outdoor air temperature [°C]
t_extr is extract air temperature [°C]
k_hr is heat exchanger efficiency (according to the diagram) [%]

Exhaust air spigot configuration	Air flow [l/s]	Specific fan power [W/l/s]	Recovery efficiency [%]
Kitchen + 1 additional wet room	21	0.73	85
Kitchen + 2 additional wet rooms	29	0.86	84
Kitchen + 3 additional wet rooms	37	1.08	82
Kitchen + 4 additional wet rooms	45	1.39	81

Automation unit dimensions

	Dimensions [mm]
	L1	L2	L3	H1	H2	H3
External automation unit (only units with A21 automation)	324	313	93	180	330	196

Designation key

Series	Rated air flow [m³/h]	Installation type	Casing design	Bypass	Motor type	Control
VUT: ventilation with heat recovery VUE: ventilation with energy recovery	270	V: vertical	5: expanded polypropylene (EPP)	B: integrated bypass	ЕС: synchronous electronically commutated motor	A14 А21

Video

Accessories

Model	G4 panel filter	F8 panel filter	LCD control panel	Control panel	Wi-Fi controllable control panel	Internal humidity sensor	CO₂ sensor with indication	CO₂ sensor	Humidity sensor

VUT 270 V5B EC A21	SF 264x182x18 G4	SF 264x182x18 F8	А25	А22	А22 Wi-Fi	HV2	CO2-1	CO2-2	HR-S
VUE 270 V5B EC A21
VUT 270 V5B EC A14			–	–	–
VUE 270 V5B EC A14

Model	VOC sensor (0-10 V)	CO₂ sensor (0-10 V)	Humidity sensor (0-10 V)	Reheater	Preheater	Syphon kit	Air damper	Electric actuator

VUT 270 V5B EC A21	DPWQ 30600	DPWQ 40200	DPWС 11200	NKD 125	NKP 125	SH-32	KRV 125	LF230
VUE 270 V5B EC A21						–
VUT 270 V5B EC A14	–	–	–	–	–	SH-32
VUE 270 V5B EC A14						–