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VX,VR – Heat recovery units

VX,VR – Heat recovery units
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VX,VR – Heat recovery units

Product catalog summary
Introduction
Ventilation is essential for maintaining indoor air quality by removing pollutants and introducing fresh air. Effective systems are crucial for energy efficiency and cost-effectiveness, particularly in residential and small commercial buildings.
Importance of Good Ventilation
Poor indoor air quality can lead to health issues such as asthma and allergies, and decreased performance. Studies from Harvard University and Sweden show that higher airflow rates can reduce absenteeism and improve health outcomes.
Pollution Sources
Indoor air pollution can come from outdoor sources like car exhaust and pollen, and indoor sources such as furniture and pets. Well-insulated homes may trap pollutants, worsening air quality.
Heat Recovery Units Overview
The document describes heat recovery units suitable for residential and small commercial use, designed to improve air quality while being energy efficient.
Product Specifications
  • VR 300 TK/B: Features a rotating heat exchanger, reversible design, and automatic operation modes. Compact for wall or ceiling installation.
  • VR 250 EH/B: Suitable for smaller apartments, includes a rotating heat exchanger and flexible installation without a condensate drain.
  • VR 400 EV/B and VR 700 EV: Suitable for homes and small commercial spaces, with automatic operation modes and a by-pass function for cooker hoods.
  • VR 400 E and VR 700 E: Similar features with additional insulation for colder environments.
Technical Data
Specifications include voltage, frequency, motor power, re-heater power, weight, and filter types. Sound data is provided in decibels (dB(A)) for different operational modes.
Conclusion
Effective ventilation systems are vital for maintaining good indoor air quality and health. The described heat recovery units offer features to suit various installation needs while ensuring energy efficiency and cost-effectiveness.
Overview
The document provides technical specifications and operational details for ventilation units, specifically the VX 400 EV, VX 700 EV, and VX 250 TV/P models, designed for homes, offices, and smaller commercial buildings.
Specifications
  • Models: VX 400 EV, VX 700 EV, VX 250 TV/P
  • Voltage: 230/240 V
  • Frequency: 50 Hz
  • Power Motors: VX 400 EV - 2x138 W, VX 700 EV - 2x315 W, VX 250 TV/P - 2x115 W
  • Power Pre-heater: VX 400 EV - 1670 W, VX 700 EV - 2670 W
  • Power Re-heater: VX 400 EV - 1670 W, VX 700 EV - 2670 W
  • Fuse: VX 400 EV - 10 A, VX 700 EV - 16 A
  • Weight: VX 400 EV - 50 kg, VX 700 EV - 72 kg, VX 250 TV/P - 30 kg
  • Filters: Supply - EU7, Extract - Alu
Sound Levels
Detailed sound power levels (LwA) are provided for various operational settings, crucial for understanding the acoustic impact in different environments.
Thermal Efficiency
The units operate with a thermal efficiency that maintains an air ratio of 1:1 and air humidity at 30%, ensuring optimal performance in heat recovery and energy efficiency.
Features
  • Double skin sheet metal casing with intermediate insulation for durability and noise reduction.
  • Centrifugal extract and supply fans with maintenance-free external rotor motors.
  • Control system with cross flow heat exchanger and thermostat-operated pre-and re-heater battery.
  • Automatic defrost function to maintain proper air flow.
  • Integrated or remote control panel with lamp indicators for settings and maintenance alerts.
  • Flexible installation options and easy maintenance access.
Installation and Connections
Designed for wall installation in areas like laundry rooms or closets. Electrical connections include a mains supply via a 1 m cable and plug, with options for remote control panel connections and potential free signals from separate timers.
Applications
These ventilation units are suitable for residential and small commercial applications, providing efficient air exchange and heat recovery while maintaining low noise levels and ease of use.
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Catalog excerpts

VX,VR – Heat recovery units-1

VX,VR – Heat recovery units www.systemair.com Good ventilation for private houses, daycare centres, smaller offices and commercial buildings

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VX,VR – Heat recovery units-2

2 Ventilation has a main task. It must take away all pollution produced in a building and take away the dirty air and replace it with clean air. The demand we make upon the ventilation is that it must work in the whole dwelling irrespective of wind and weather, without using more energy than necessary.Ventilation must be economical with energy and money. In recent years research shows that we have less strength and perform poorer when we breath bad indoor air.We spent in average 70% – in colder climates as in the North up to 90% – of our time indoors. It goes without saying that the 15 000 liters...

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VX,VR – Heat recovery units-3

3 Name Residential Heat Efficiency Wall Floor Above Attic Cooker hood area m2 exchanger ç (%) ceiling VR 300 TK/B 100 Rotating 80 X – X – X VR 250 EH/B 60 Rotating 80 – – X – X VR 400 EV/B 160 Rotating 80 X – – – X VR 700 EV 300 Rotating 80 X – – – – VR400E/ 160/ Rotating 80 – X – X – VR 700E 320 VX 400 EV/ 160/ Cross flow 60 X – – – – VX 700 EV 300 VX 400 E/ 160/ Cross flow 60 – X – – – VX 700 E 300 VX 250 TV/P 140 Cross flow 60 X – – – – Heated space Cold space Mounting Quick selection – Residential units Wake up fresh and thoroughly rested Possible to connect to

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VX,VR – Heat recovery units-4

4 VR 300 TK/B • Rotating heat exchanger • Reversible – left or right hand version • Automatic change normal/summer operation • No need for condensate drain The VR 300 TK/B is a compact unit for ventilation of homes and primarily developed for wall mounted installation but can be installed horizontally e.g. in a false ceiling. The unit is double skinned, fully insulated, equipped with centrifugal fans for supply/extract air, rotating heat exchanger, filters and thermostat operatedre-heater battery. VR 300 TK/B is quipped with large inspection hatches on both sides and is by that means reversible...

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VX,VR – Heat recovery units-6

6 VR 250 EH/B CE control panel Suitable with cooker hood • Rotating heat exchanger • Automatic change normal/summer operation • Flexible installation without condensate drain The unit is suitable for ventilation of smaller apartments. It is painted white and designed for installation on the wall or ceiling.VR 250 EH/B is delivered double skinned, fully insulated and with complete control functions, centrifugal fans for supply and extract air, rotating heat exchanger, reheater battery and filter. Extract from the cooker hood is led directly to the extract fan, bypassing the exchanger block. Antivibration...

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VX,VR – Heat recovery units-8

8 The VR 400 EV/B and VR 700 EV are suitable for ventilation of homes, offices and smaller areas in commercial buildings.The units are painted white and designed for installation on the wall in laundry room, store room, closet etc. The units are designed with double skin sheet metal casing with intermediate insulation.The centrifugal extract and supply fans are equipped with maintenance free external rotor motors. Control system, rotation heat exchanger, thermostat operated re-heater battery and filters are standard. VR 400 EV/B has a by-pass function that allows the unit to be connected to a...

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VX,VR – Heat recovery units-10

10 Complete units for ventilation of homes, offices and smaller commercial buildings.The units are designed with double skin sheet metal casing with intermediate insulation.The centrifugal extract and supply fans are equipped with maintenance free external rotor motors. Control system, rotation heat exchanger, thermostat operated re-heater battery and filters are standard. The VR 400 E and VR 700 E will automatically alternate between normal operation with heat recovery and summer operation without heat recovery.These units also have a function to recover the coldness in the extract air. When...

 Open the catalog to page 10
VX,VR – Heat recovery units-12

12 The VX 400 EV and VX 700 EV are suitable for ventilation of homes, offices and smaller areas in commercial buildings.The units are painted white and designed for installation on the wall in laundry room, store room, closet etc. The units are designed with double skin sheet metal casing with intermediate insulation.The centrifugal extract and supply fans are equipped with maintenance free external rotor motors. Control system, cross flow heat exchanger, thermostat operated pre-and re-heater battery and filters are standard.The pre-heater defrosts the exchanger to ensure proper supply air flow...

 Open the catalog to page 12
VX,VR – Heat recovery units-14

14 VX 400 E VX 700 E Complete units for ventilation of homes, offices and smaller commercial buildings.The units are designed with double skin sheet metal casing with intermediate insulation. The centrifugal extract and supply fans are equipped with maintenance free external rotor motors. Control system, cross flow heat exchanger, thermostat operated preand re-heater battery and filters are standard.The pre-heater defrosts the exchanger to ensure proper supply air flow at any condition. Air flow, supply air temperature and filter change are easy to regulate via the remote control panel CE. Lamp...

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VX,VR – Heat recovery units-16

16 VX 250 TV/P • Complete unit – flexible installation • User friendly control panel • Suitable for apartments Aheat recovery unit equipped with centrifugal fans for supply and extract air, cross flow heat exchanger, thermostat operated reheater battery and filters. VX 250 TV/P is very easy to install in both new and old dwellings.The unit is designed for installation on the wall in laundry room or similar. Maintenance is easy and air flow and supply air temperature are easy to regulate on the front of the unit. VX 250 TV/P Voltage, V 230/240 Frequency, Hz 50 Power motors, W 2x115 Power heating...

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VX,VR – Heat recovery units-17

17 Supply Extract ç Thermal efficiency With air ratio 1:1 and air humidity 30% The sound data dB(A) in the diagrams indicate the sound power level LwA, which should not be confused with the sound pressure level, LpA. VX TF Fresh air filter FV Extract air fan FT Frost thermostat VX Cross flow heat exchanger AF Extract air filter BT Fire thermostat OT Overheat thermostat AT Operation thermostat VB Re-heater battery TV Supply air fan L Condensate drain Supply Octave band, Hz LwA outlet, dB(A) Tot 63 125 250 500 1k 2k 4k 8k 5 max. 230 V 65 58 51 56 58 57 61 49 43 4 normal high, 160 V 60 48 48 54...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.