Replacement Of Parts; Warranty; Service Enquiries; Maintenance & Cleaning - Nuaire Group MRXBOX95B-LOFT Installation And Maintenance Manual

Installation and Maintenance
6.0 Commissioning
1. For the required airflow rates refer to the design
specification for the property or refer to Building
Regulations Part F.
2. The unit is supplied with control of both the normal
airflow and boost airflow. (see figure below).
3. Commissioning should be carried out using a moving
vane anemometer in conjunction with a hood.
4. Once commissioned the house owner / tenant should
be informed that the unit should not be adjusted as it
will have a detrimental effect on the indoor air quality
and could result in condensation and mould growth.
Figure 8. Detail of unit control on side panel.
7.0 Maintenance/Cleaning
Isolation - Before commencing work make sure that the unit,
switched live and Nuaire control are electrically isolated
from the mains supply and switched live supply.
1. Replace filters every 5 years. Remove the top cover and
slide out the two G4 filters fitted either side of the heat
exchanger. Replace with new filters.
2. Inspect heat exchanger every 5 years. Generally check for
damage and security of components. Refit top cover.
3. Inspecting motors. Motors can be accessed through
removal side panels.
Figure 9. Removing filters.
MRXBOX95B-LOFT Mechanical Ventilation with Heat Recovery & Summer Bypass

8.0 Replacement of Parts

Should any component need replacing Nuaire keep extensive
stocks for quick delivery. Ensure that the unit is electrically
isolated, before carrying out any work.
When ordering spare parts, please quote the serial number of
the unit and the ARC number of the purchase if possible.
(This information will be available on the fan label).

9.0 Warranty

The 5 year warranty starts from the day of delivery and
includes parts and labour for the first year and parts only for
the remaining 4 years. This warranty is conditional on planned
maintenance being undertaken

10.0 Service Enquiries

Nuaire can assist you in all aspects of service. Our service
department will be happy to provide any assistance required,
initially by telephone and If necessary arrange for an
engineer to call.
6
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Customer Services Department
on 08705 002 555
Leaflet Number 671453 January 2011