Description
Nuaire MRXBOXAB-ECO4B-1Z
Opposite Handed MRXBOXAB-ECO4B-1Z-OH
The Nuaire MRXBOXAB-ECO4B-1Z consists of the ECO4 MVHR unit, attenuators and flexible duct connectors entirely encased in an all-in-one aesthetically pleasing acoustic enclosure
This kit provides significant reduction in cased-radiated noise
The Nuaire MRXBOXAB-ECO4B provides a maximum flow rate of 555m3/hr suitable for a house up to 330 m2 floor area with up to 10 kitchens & bathrooms
Controllability is provided by an internal humidity sensors and optional room sensors or switches
(no digital controller is available for this model)
The Nuaire MRXBOX range has been in continual improvement and production in the UK for over 15 years providing a high performance, wall-mounted MVHR unit which is specifically designed to provide a reliable but simple to operate system for social housing, developments and end users
BPC Ventilation are the largest independent MVHR specialists and supply this unit with up to a 5-year parts warranty* and lifetime technical support on our top-quality systems,
KEY FEATURES – Nuaire AB-ECO4B
- Acoustic enclosure on unit and Attenuator top box
- Attenuators and flexible duct connectors
- Suitable for floor areas up to 330m2
- Delivers an airflow rate of up to 555 m³/hour @ 100 Pa
- High heat recovery efficiency of up to 94%.
- Internal humidity sensor for automatic speed control
- 100% summer by-pass
- On demand control via optional room or duct sensor options
- Full 100% automatic summer bypass to supply unheated air in the summer
- Sap Appendix Q (BRE) approved
- 2 x G4 filters
- Galvanised steel casing with EPP internal lining
- 2-year warranty* (Listed parts Only)
- 'A' energy rating
- Left hand right oriented models available
- UK/CA marked
- Surge protected
Integral Humidity Sensor
The Nuaire unit has a internal humidity sensors that can provide a superior demand-controlled ventilation solution for your property
When the unit senses that the humidity exceeds the set point the unit will boost to that set by the commissioned boost speed. The humidity can be set on the front of the unit
We also advise an optional boost switch should be used local to the wet rooms
Filtration
2 x G4 filters are fitted to the unit that are easy and inexpensive to replace
(The filters are provided with plastic covers that should be removed before starting unit for first time)
CONTROL OPTIONS
The Nuaire MRXBOX units are controlled by one of the following:
- 4 x adjustable switches on the front of the unit
- Manual control Via optional 3 speed manual switch
- On-demand ventilation through built-in humidity sensors
- Additional external sensors achieving on-demand ventilation
- Switched live signal from light/remote switches
Heat Exchanger
This unit has a high-quality PVC counterflow heat exchanger with up to a 90% thermal efficiency protected with high-capacity filters on each side
The heat exchanger is easy to remove for maintenance and any accumulated condensation is easily dispersed via a drain at the bottom of the unit
Frost Protection
In the event of the intake air temperature at the unit dropping below the predetermined set point (-5°C as standard) the supply fan will reduce to minimum speed, once the temperature rises above the set point the fan will return to its commissioned speed.
Frost protection will only activate after ten days of continuous run time.
Summer By-Pass
The Nuaire AB units have a 100% summer by-Pass
If the indoor temperature Intake exceeds 25°C and the outdoor temperature is within comfort zones the summer by-pass is opened automatically to help provide a comfortable indoor temperature
Orientation
The Nuaire units can be right or left-handed and correct orientation should be checked before purchase
Construction
Manufactured of powder coated galvanised steel outer cover for durability and an inside EPP lining for quietness and efficiency
Mounting
The Nuaire units are wall mounted as standard and are supplied with a wall bracket
An optional angled mounting bracket MRXBOX-AV4 are fitted to the bottom of the unit are available
First Fix Solution MRXBOX-FF4
Nuair’s First Fix box is fixed to the underside of the floor slab at first fix stage of the build. The box has four airflow chambers with optional positions for 204x60mm spigots. Ceilings can then be boarded within the cupboard space easily and quickly without the risk of the spigots not aligning to the fan unit.
Acoustic Enclosure
Optional acoustic solutions are available for high demanding properties requiring the quietest system possible
MRXBOXAB-ECO4B-AE – Unit has an acoustic surrounding with internal anti vibration mounts to the MVHR unit and flexible duct connectors
MRXBOXAB-ECO4B-1Z - The 1Z is the all-in-one acoustic enclosure, allowing in the MVHR unit and attenuator to be entirely cased in an aesthetically pleasing model which encloses the attenuators and flexible duct connections that would otherwise be visible, all whilst making significant reduction in cased-radiated noise.
