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  1. EXHAUSTO
  2. Products
  3. Compact units with counterflow heat exchanger
  4. VEX300T
  5. VEX330T

VEX330T

VEX330T
Technical data

Technical data, VEX330T

Unit data
Min. airflow
 200 m³/h
Max. airflow
 2,080 m³/h
Absorbed power 1.7 kW
Power supply 1 x 230 V + N + PE ~ 50 Hz
Max. phase current 7,3 A *
Weight
Operation-ready unit 265 kg
For transport into the location 158 kg**
Motor and motor control (MC) data
Motor type EC motor
Motor class in accordance with IEC TS 60034-30-2 IE4 (Super Premium Efficiency)
Voltage input 1 x 230 V
Current overload protection Built-in
Regulation Variable via motor control (MC)
Control signal

With integrated control system:
Modbus

 For third-party control system:
0-10 V DC

* (power consumption is not sinusoidal)
** (excl. doors, heat exchanger and fan units)

Information requirements - ERP

Fan data

  
Max. total efficiency (A-D) 60 %
ECO measurement set-up (A-D) A
Efficiency level requirements 62N (2015)
ECO efficiency level during optimal operating point 79.4N

Motor data (optimal operating point)
EC motor With motor controller
Absorbed power 0.457kW
Airflow 2,350 m3/h
Total pressure 685 Pa
RPM during optimal operating point 3,019 RPM

Conditions:
- Density = 1.2 kg/m3
- Pressure ratio < 1.11
- other points in acc. with EC327/2011 (see product instructions)

Filter options:

Filtration of supply air:

Panel filter
Dim.: 363 x 797 x 96 mm		 Option: Prefiltration
Dim.: 363 x 797 x 48 mm
Panel filter Coarce 65% (G4) Panel filter Coarce 65% (G4)
Panel filter ePM10 65% (M5) Panel filter ePM10 65% (M5)
Panel filter ePM1 55% (F7) Panel filter ePM1 55% (F7)
Panel filter ePM1 80% (F9)  

 

Filtration of extract air:

Panel filter
Dim.: 363 x 797 x 96 mm
Panel filter Coarce 65% (G4)
Panel filter ePM10 65% (M5)
Panel filter ePM1 55% (F7)
Data for internal heating and cooling/heating coils

VEX330T

Internal heating coils and cooling/heating coils for

Electric heating coil (HE)
Small
Large
Power rating 5.61 kW 10.41 kW
Min. airflow 304,2 m³/h (50 % heating)
 304,2 m³/h (50 % heating)
Power supply 3 x 400 V + N + PE ~ 50 Hz 3 x 400 V + N + PE ~ 50 Hz
Max. phase current 8.1 A 18.4 A

Water heating coil (HW)
1 pipe row
2 pipe rows
Test pressure  880 kPa 880 kPa
Max. operating pressure 800 kPa 800 kPa
Face area 702 x 300 mm 702 x 300 mm
Number of pipe rows 1 2
Number of circuits 2 2
Connection dimension 16 mm 16 mm
Fin spacing 1.5 mm 2.0 mm
Weight (without fluid) 3 kg 4.5 kg
Water content 0.7 l 1.32 l

Cooling/heating coil (CW)
2 pipe rows
4 pipe rows
Test pressure  880 kPa 880 kPa
Max. operating pressure  800 kPa 800 kPa
Face area 714 x 300 mm 702 x 300 mm
Number of pipe rows 2 4
Number of circuits 6 8
Connection dimension 16 mm 16 mm
Fin spacing 2.0 mm 2.5 mm
Weight (without fluid) 4 kg 5.8 kg
Water content, fluid 0.79 l 2.61 l

Cooling/heating coil DX
4 pipe rows 		 
Test pressure 880 kPa
Max. operating pressure 800 kPa
Face area 300 x 685 mm
Number of pipe rows 4
Number of circuits 8
Connection dimension 16 mm
Internal volume 1.26 l

A precise calculation of the heating coil is recommended, to be carried out with calculation program EXselect/EXselectPRO, available on www.exhausto.dk

Temperature efficiency

Temperature efficiency, VEX330T

The temperature efficiency and, to a lesser extent, the SFP/SEL values for a specific air handling unit are closely connected to the heat exchanger itself and depend upon the manufacturer. As suppliers can change from time to time, small changes in the technical data can occur, which is why it is always recommended that you perform a calculation for the particular project using our calculation software, EXselectPRO.

VEX330T Temperature efficiency
The curve is intended as a guideline, and it is recommended that a calculation be performed using the calculation software EXselectPRO for the individual project.

stiplet streg
 Efficiency with condensation:
Extract air = 20°C/55 RH
Outdoor air  = -10°C/50 RH
Balance between supply air/extract air = 1,0
kort-lang-stiplet-streg
 Efficiency without condensation with imbalance:
Extract air = 25°C/28 RH
Outdoor air = 5°C/50 RH
Balance between supply air/extract air  = 0,8
fed streg Efficiency without condensation in acc. with EN308:
Extract air = 25°C/28 RH
Outdoor air = 5°C/50 RH
Balance between supply air/extract air = 1,0

 

 

Calculation

The temperature efficiency of the VEX units is shown at different airflow ratios, calculated as:


t2,1
t2,2
t1,1		 =
=
= 		Temperature of outdoor air (fresh air)
Temperature of supply air
Temperature of extract air
Extract air = 25 ºC / 30 % RH
Outdoor air (fresh air) = 5 ºC / 50 % RH
Temperature efficiency is stated in accordance with EN308 for dry heat recovery and is increased by condensation.
Dimensional drawings VEX330T

Dimensional drawings, VEX330T

VEX330T, Left (unit dimensions in mm)

VEX330T L Dimension

1.1 Extract air 1.2 Exhaust air 2.1 Outdoor air 2.2 Supply air
 

VEX330T, Right (unit dimensions in mm)

VEX330T R Dimension

1.1 Extract air 1.2 Exhaust air 2.1 Outdoor air 2.2 Supply air

Add all about the product series VEX330T

CONTACT US TODAY

Get free advice on ventilation products and system solutions

Export Requests:
EXHAUSTO Export
Odensevej 76
DK 5550 Langeskov
Tel +45 6566 1236
E-mail: export@exhausto.dk

Calculation programs

Use EXHAUSTO's free calculation programs for calculating ventilation plant and system solutions

Go to Calculation Programs
Vex overview

VEX Summary

Get a quick overview of our entire range of compact VEX air handling units with heat recovery.

View the VEX summary here