How to adjust or check on the operation
of your DVS®
Note: Most Customers nd they don’t need to make any
adjustments to their system. The system costs very little
to run and is programmed to give optimal ventilation
performance for your home whilst being as unobtrusive as
possible. However, if you need to make adjustments or to
check on what the system is doing, the instructions below are
a handy guide for you.
Turning the system ON or OFF
Touch the settings icon at the top right of the home
screen then – POWER OFF. The system is now OFF. To turn the
system ON – touch the screen. The system will re-start.
Set Temperature
Touch or
arrows to adjust. This is the temperature the
system will try to achieve.
Set and Forget or Customise: You can, for example set
this to 21
o
C. A typically ecient setting to provide good
'year-round' performance, or you can adjust seasonally if you
wish. In Summer, if you select a Set Temperature of 18
o
C for
example, the house will reach this temperature quickly. The
system will turn o, preventing warm air being introduced.
The system starts again when the air supply is cooler than
18
o
C. In Winter, you could select a higher Set Temperature of
23
o
C for example. When or if there is heat available from the
air supply, the system will be in Heat Recovery mode and will
try to reach 23
o
C in the home more quickly.
Note: The system will continue to operate even if the roof
space is cooler than the house. The system will automatically
reduce the air supply rate to the minimum normally needed
for a drier healthier home.
Help icon
Where applicable, the settings adjustment screens will
also contain a
?
. If you touch that you will be given an
explanation of the nature of the settings and if applicable the
eect of adjusting them.
Fan Settings
Adjusting your fan settings increases or decreases the
level of ventilation or how aggressive your system is. Your
system has been programmed for your home. The DVS® will
typically perform well without the need to make fan settings
adjustments. However, you are of course able to make
adjustments.
Fan Boost
Touch settings icon
then – SETTINGS > FAN SETTINGS >
FAN BOOST – Scroll up to set the time you wish to have fan
boost – OK > EXIT > EXIT
The system will be in fan boost mode and will return to
normal after the selected time.
Fan Speed programming adjustment
Touch settings icon then – SETTINGS > FAN SETTINGS >
FAN CONTROL – Slide the Fan Speed bar up (to the right) or
down (to the left) – OK > EXIT > EXIT
This setting changes the programmed minimum condensation
control fan speed for your system. Heat recovery and heat
retention fan settings are indexed to this speed and so will
increase or decrease the fan speed relative to this setting.
Heat Recovery settings
Touch settings icon
then – SETTINGS > FAN SETTINGS >
FAN CONTROL – Slide the Heat Recovery bar up (to the right)
or down (to the left) – OK > EXIT > EXIT
This setting adjusts how aggressively the system reacts
when the air supply being introduced is warmer than the air
temperature (measured at the control panel) in the home.
Heat Retention settings
If you experience cooling from the system, this feature can
help. We suggest making small changes, then assessing the
need to increase it.
Touch settings icon
then – SETTINGS > FAN SETTINGS >
FAN CONTROL – Slide the Heat Retention bar up (to the right)
or down (to the left) – OK > EXIT > EXIT
This setting adjusts how passively the system behaves
when the air supply being introduced is colder than the air
temperature (measured at the control panel) in the home.
Note: if you have Heat Retention activated the system will
reduce air supply to below the programmed minimum. This
can aect the performance of the system and so you may
see more condensation or dampness on cooler days than the
DVS® would normally allow.
For further assistance please call DVS
®
on 0800 387 387 3
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