Computherm Q3RF Operating Instructions Manual page 6

The simultaneous use of several COMPUTHERM room
thermostats and one COMPUTHERM Q4Z zone controller
provides the possibility for the thermostats to also control a
pump or a zone valve in addition to starting the heater or
cooler. This way it is easy to divide a heating / cooling system
into zones, thanks to which the heating / cooling of each room
can be controlled separately, thus greatly increasing comfort.
Furthermore, the zoning of the heating / cooling system will
greatly contribute to the reduction of energy costs, as due
to this only those rooms will be heated / cooled at any time
where it is required.
1. LOCATION OF THE DEVICE
The thermostat of the COMPUTHERM Q3RF type device
can be freely moved in your residence. It is reasonable to
locate it in a room used regularly or for many hours per day so
that it is in the direction of natural ventilation in the room but
protected from drought or extreme heat (e.g. direct sunlight,
refrigerator, chimney, etc). Do not use in wet, chemically
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