5
Control
In the utility room, or at some central point in the house you will find a switch as
shown below in Figure 2. This is the master controller. The system is controlled by
progressive switching. The options for controlling the unit are as follows:
Off: As with any other electro-mechanical system it can be switched off as
required, but it is recommended to run the system as much as possible.
On: In this position the other two switches are functional
Low Speed: Operate during normal occupancy at this position.
Medium Speed: Operate in this position during abnormal occupancy as described
above.
Boost Speed: Momentary depression of this switch provides a pre-set timed boost
for high water vapour generation (Cooking & showers). It is normal
that this switch does not stay on. The default pre-set time is 24
minutes, but this can be set to any time you like by the ProAir
technician.
While the system is in the boost mode, the low/normal switch is non-
operational.
The system goes back to the low or medium mode after the pre-set
time has elapsed.
At other locations throughout the house you will find switches as shown in Figure 3.
These are mimics of the boost switch on the main controller and allow you to go to
boost mode from outside your shower.
Pressing more than one boost switch together does not cause a problem. Whoever gets
there first triggers the timer.
Figure 3
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