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  1. EXHAUSTO
  2. Products
  3. Rotary units
  4. VEX200EC (EXact2)
  5. VEX280 Technical data

VEX280

VEX280

Technical data

Technical data, VEX280

Air handling unit data
Min. airflow 2,800 m³/h
Max. airflow 17,220 m³/h
Power consumption 17.6 kW
Electrical Supply 3 x 400 V + N + PE ∼ 50 Hz
Max. phase current 30.5 A (Power consumption is not sine shaped)
 
Weight of operational air handling unit 1,102 kg
Weight of air handling unit for transport Fan sections: 2 x 236 kg, Rotor section: 221 kg

Ambient temperature (operating)

At temperatures below -25˚C (with outdoor installation), use of a thermostatically controlled heater in automated control box is recommended.

 -30°C to +50°C 
Rotor pinion - stepper motor:
Voltage 230 V
Phase current 0.2 A
Power consumption 45 W
Overcurrent protection Built in
Control (built in rotation monitor) Infinitely variable from 0 to 10 rpm on the rotor
Motor and motor control (MC) data
Motor type EC motor
Motor class in accordance with IEC TS 60034-30-2 IE5 (Ultra Premium Efficiency)
Voltage input 3 x 400 V
Current overload protection Built-in
Regulation Variable via motor control (MC)
Control signal with control system Modbus
Control signal with third party control system 0 - 10 V DC
Fluid temperature (air) -40°C....+40°C

 

Data according to Ecodesign Directive

Fan data  
Max. total efficiency (A-D) 60.4 %
ECO measurement set-up (A-D) A
Efficiency level requirements 62N (2015)
ECO efficiency level during optimal operating point 66.6N
Motor data (optimal operating point)
EC motor With motor controller
Power consumption 4,619 kW
Airflow 7,186 m³/h
Total pressure 1396 Pa
RPM during optimal operating point 2913

 

 Conditions:

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

 

Temperature efficiency

Temperature efficiency, VEX280

Standard rotor

RD13866

Highly efficient rotor

RD13865

Calculation

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


t2,1 = Temperature of outdoor air (fresh air)
t2,2 = Temperature of supply air
t1,1 = Temperature of extract air
Extract air = 25 ºC
Outdoor air (fresh air) = 5 ºC

Temperature efficiency is stated in compliance with EN308 for dry heat recovery and is increased by condensation.

Dimensional sketches

Dimensional sketches, VEX280

Fan location 1, here shown as LEFT

(air handling unit measurements in mm)
RD12167DE_VEX280_V1_FP_dimension

Fan location 2, here shown as LEFT

(air handling unit measurements in mm)
RD12201DE_VEX280_V2_FP_dimension

1) Allow a min. of 1000 mm service distance in front of the unit
2) Allow a min. of 200 mm free height for service.
*The base height is factory-adjusted to 200 mm. The height can be adjusted between 150–240 mm.

Cooling and heating coils

Cooling and heating coils, VEX280 

The following cooling and heating coils are suitable for VEX280

Type Model
HE electric heating coil  HCE280
HW water heating coil HW060x140
CW cooling coil (water)  CW060x140I
CW100x160U
DX cooling/heating coil DX060x140S
DX060x140L

Add all about the product series VEX280

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