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Product Information

 
Features
·       Lightweight, plastic construction
·       Low energy mixing fans to mitigate against cold draughts in winter
·       Summer boost mode
·       Night cooling mode
·       Room temperature sensor with integrated CO2 sensor
·       Internal mixed air temperature sensor
·       External Temperature sensor
·       Ready fitted mounting brackets
·       Key switch for automatic operation; time override; long-term off; test
Options
·       Manual or automatic control which responds to environmental conditions
·       Weather louvre
·       Additional sound attenuation for noisy sites through combination of acoustic louvres and internal baffles depending on site specific requirements
·       Control signal for automated actuation of low level windows or dampers
·       Traffic light indicator panel for window opening
·       Modbus link for integration into wider Building Management Systems (BMS)
·       Heater coil for space heating (1.5kW per unit)
 
 
Air Flow Strategies
 
Natural Mode:
·       Damper opens
·       Single sided ventilation
·       Works with other openings in the space
 
 
Summer Boost:
·       Damper opens fully
·       Air delivered to rear of the space
·       Natural exhaust through the unit
·       Night cooling
 
 
 
Winter Mixing:
·       Draught mitigation strategy
·       Mixes warm room air with fresh external air
·       Natural exhaust through the unit
 
 
Installation and Control
The units are designed so that they can be exposed or enclosed in a bulkhead or ceiling void. The slimline nature of the units was part of the design which was undertaken in collaboration with Nicholas Hare Architects. When the units are exposed in the room or mounted in a bulkhead a grille is usually provided to direct air towards the ceiling and back of the room. The grille arrangement complies with the PSBP FOS. Exposed NVHR units can also be supplied with a fabric duct or solid duct.
 
Exposed NVHR unit with a grille
 
Exposed NVHR with a solid duct
Exposed NVHR with a fabric duct
 
Diffuser grille arrangement above a suspended ceiling
 
Find Out More
For full details on NVHR, please read the datasheet or contact Breathing Buildings for further information (see Appendix B: for contact details).