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The device can be programmed according to customer-spe-
cic requirements so that the heating/cooling system heats/
cools your residence or oce to the required temperature at
the dates and times specied by you, to reduce energy costs
while maintaining comfort. Separate temperature programs
can be prepared for each day of the week. For each day, be-
side 1 xed switching time (PROG ), 6 adjustable switching
times (PROG – PROG ) can be set (at 10-minute intervals)
and a dierent temperature (in 0.5 °C increments) can be as-
signed to all 7 switching times.
The device consists of two units. One of them is the portable
control unit (thermostat), while the other unit is the receiver
that controls the boiler. Because there is a wireless (radio-
frequency) connection between the two units, no cable is
required between the thermostat and the boiler. The two units
have been tuned in the factory. The trouble-free operation
is ensured by its own security code. The installation and
connection of the receiver unit is described in Chapter 10.
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