(NOTE that the controls of this model are in roof not the diffuser)
USP the 3 storey model has a fire resistant diffuser in line with fire safety regulations otherwise it works just like the standard Nuaire Drimasters.
It is a DRI-ECO-LC with a special diffuser for tall buildings.
The DRI-ECO-LC is the basic unit which provides all of the benefits of Positive Input Ventilation, offering system controls on the unit within the loft space. Whilst the controls offer variable options, when the Drimaster is installed the system should be set to a speed that is suitable to the property meaning access to the loft is only necessary for the replacement of filters. Good if installing in rented accommodation to prevent/reduce tampering by the tenants! Basic model - set and leave alone
The unit is supplied with a pre-wired power supply. This power supply unit has a metal bracket incorporating fixing holes, which should be used to fit the power supply to a suitable surface, e.g. a wooden joist. The fan unit is also supplied with a fused spur. The 3 core mains cable from the power supply should be connected to a fixed wiring installation, via the isolator, via the spur, in accordance with current lEE wiring regulations.
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HOW IT WORKS
The Drimaster draws dry/filtered air from the roof void into the home and gently dries the air.
The damp/stale air is expelled from the building through any air spaces such as cracks in floorboards, letter boxes, doors etc.This has the effect of curing condensation and making for a healthy environment.
Note that the running costs are low. Only a few pence a day to turn the very efficient centrifugal fan
A Drimaster would take a competent electrician 2-3 hours to fit - even if he has never seen one before. It can be a DIY job but have the wiring checked after installation.
The drying effect is almost immediate, a few days at the most, but any black mould must be cleaned off once never to return.
Every 5 years the filters need swapping for new.......otherwise leave it alone to dry the home automatically.
GUARANTEE Manufacturers Guarantee of 5 years parts and labour .....we know of Nuaire machines going strong after 15 years!