DEVI devireg 540 User Instruction page 3

Introduction
You have purchased a devireg 540/550 thermostat, which
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forms an integrated part of a deviheat™ system.
DEVI has developed the devireg 540/550 to make your
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fl oor heating an even more environmentally correct way of
heating your home.
devireg 540/550 will work dynamically with both the room
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and fl oor temperature in order to give you the highest pos-
sible comfort in the most economical way.
devireg 550 ONLY:
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Furthermore, devireg 550 will take a few days to optimise
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the use of the heating system, but it does not stop there.
The devireg 550 will continue to learn from the room and
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thus constantly improve its performance and consequently
your comfort and economy.
We wish you many years of comfort with your new
deviheat system.
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