9.0 Speed Settings
The dMEV+H is pre-set to achieve 6 l/s Continuous and 13 l/s on
boost. This can however be changed to 8 l/s Continuous and 18 l/s
on boost. To change these speed setting you will need to change the
jumper position within the fan unit (fig. 8). To do this you will need
to remove the 2 fixing screws on the motor cap (shown in fig 2a).
Installation and Maintenance Decentralised Mechanical Extract Ventilation 2 Speed Axial Extract Fan
Technical or commercial considerations may, from time to time,
make it necessary to alter the design, performance and
dimensions of equipment and the right is reserved to make such
changes without prior notice.
10. 05. 17. Leaflet Number 671665
4
11.0 Maintenance
The fan unit does not require any maintenance. However, for
optimum performance, it is advisable to remove any accumulated
dust with a low power vacuum cleaner.
Note: Installation and Maintenance of the equipment must
be as directed in the instructions provided with the unit.
12.0 Warranty
The 5 year warranty starts from the day of delivery and includes
parts and labour for the first year. The remaining 4 years covers
replacement parts only.
This warranty is void if the equipment is modified without
authorisation, is incorrectly applied, misused, disassembled, or not
installed, commissioned and maintained in accordance with the
details contained in this manual and general good practice.
Telephone 02920 858 400
SL L N
Low High
Unit is fixed speed.
Select between either
Low or High speed with
the jumper position.
i.e. Bathroom installation
Low speed (Pre-set
factory position).
Speed ow ow High High
Setting: Continuous Boost Continuous Boost
Air Flow: 6 l/s 13 l/s 8 l/s 18 l/s
Figure. 8.
Figure 9a. Figure 9b.
Humidity sensor
Humidity switch
230V Live
230V Neutral
230V Switch live
1
2
3
10.0 Humidity Set oint
The dMEV+H is pre-set to boost when it senses a relative humidity
(%RH) of 80% however this can be changed to suit the installation.
To do this you will need to access the PCB within the unit.
On the PCB you will need to alter the humidity switch (fig 9a)
configuration to suit the configurations in (fig 9b).
ON ADE02
1 2
ON ADE02
1 2
ON ADE02
1 2
ON ADE02
1 2
60% RH
70% RH
80% RH
90% RH
Switch actuator
The product warranty applies to the UK mainland and in accordance
with Clause 14 of our Conditions of Sale. Customers purchasing from
outside of the UK should contact Nuaire International Sales office for
further details.
13.0 After Sales
For technical assistance or further product information, including spare
parts and replacement components, please contact the After Sales
Department.
