DEVI devireg 540 Istruzioni per l'installazione
User Instruction
devireg™540/550
GB/DAS
Introduction 3
Introducing devireg™540/550 4
How to use your deviheat™heating system 6
Daily operation 7
Setting the clock & day 10
Timer programming 11
Warranty 16
Table of contents
2
Do not cover the thermostat, e.g. by hanging towels etc.
directly in front of it !
You have purchased a devireg™540/550 thermostat, which
forms an integrated part of a deviheat™ system.
DEVI™has developed the devireg™540/550 to make your
floor heating an even more environmentally correct way of
heating your home.
devireg™540/550 will work dynamically with both the room
and floor temperature in order to give you the highest pos-
sible comfort in the most economical way.
devireg™550 ONLY:
Furthermore, devireg™550 will take a few days to optimise
the use of the heating system, but it does not stop there.
The devireg™550 will continue to learn from the room and
thus constantly improve its performance and consequently
your comfort and economy.
We wish you many years of comfort with your new
deviheat™system.
Introduction
3
Introducing devireg™540/550
devireg™540 is an advanced temperature controller, with a
built-in Timer.
devireg™550 ONLY:
devireg™550 is an adaptive temperature controller,
specially designed for floor heating systems.
The devireg™550 will measure the radiant comfort from the
floor combined with the comfort from the air temperature in
the room to offset the outside weather condition.
We as human beings perceive comfort as the combined
effect of the radiant heat from the floor and air temperature
in the room. By continually measuring this combined effect,
it is therefore possible to maintain the highest possible
comfort level.
A higher floor radiant temperature can produce a sense of
comfort with a lower air temperature which can result in
lower running costs without reducing comfort levels.
4
All this means that as soon as you have set your devireg™
550 at your desired comfort temperature, you do not have
to do anything else. devireg™550 will automatically adjust
the heating to meet your requirements for comfort and
economy, no matter how the weather is changing outside.
This also means that devireg™550 is capable of
detecting a sudden temperature drop in the room.
Instead of switching the heating on to immediately
compensate, the devireg™550 uses the information stored
then checks to see if this is caused by e.g. the effects of a
window opened for 10 minutes !
Even the programming of economy temperatures (i.e.
during the night) is very simple. You do not have to
calculate how much earlier the heating should start in order
to reach a specific temperature at a specific time. Just tell
the devireg™550 when you want the comfort temperature
and the devireg™550 will take care of the rest. By learning
the rate of heat loss from the room, the devireg™550 knows
when to start heating in order to achieve the selected
temperature at exactly the right time.
5
How to use your deviheat™heating system
The function of the button
The button can be turned both ways, is indicated by
or the button can be pressed/held, is indicated by
Symbol for frost
protection
Symbol for Timer On
Numerical display
for time, tempera-
ture, text, etc.
Flashing point for
actual time
Weekdays
Indication of
AM/PM time at
12 hour clock
Symbol for Timer programming
Symbol for
setting of clock
24 hour clock-ring
which shows
actual time and
timer programme
View of symbols in the display
Symbol for degrees
6
Symbol for
temperature
below set-point
Daily operation
7
devireg™540/550 has two temperature settings:
(Display will indicate same temperature during both comfort and
economy periods. But temperature will, during economy periods, be
lowered according to the set-back level.)
Constant temperature with the timer off.
Can be used e.g. as ‘Party Mode’ or for con-
stantly lowering the temperature when going
on holiday. This is indicated by a continuous
clock ring ...
Timer setting with automatic switching
between economy and comfort temperature.
Clock and timer must be set !
Is indicated by the timer symbol
and the clock ring showing the timer
programme ...
8
You want to raise the temperature ...
Turn clockwise to raise the tempera-
ture.
You want to lower the temperature ...
Turn counter-clockwise to lower the
temperature.
You want to switch on or off the timer
function ...
Press the button to switch on the
timer. Press again to switch off the
timer.
Economy set-back
between 0000 and 0700
The clock is between
1000 and 1030
The marking on the clock-ring indi-
cates when comfort temperature is
chosen and when economy set-back
is switched on. A flashing point indi-
cates the actual clock (every half
hour).
If the temperature is lowered to mini-
mum (+5ºC), a frost symbol will
appear in the display, indicating that
the thermostat will maintain minimum
+5ºC in the room for frost protection.
If the temperature is turned below
+5ºC, the thermostat will switch off.
(Only possible with the timer off)
When the temperature is raised
again the thermostat will automatically
switch on.
If the devireg™540/550 only uses a
floor sensor, the display will not show
the actual temperature (5º to 35º), but
a scale from 0 to 10.
9
Setting the clock & day
You want to set/change the clock ...
(The clock is not set from the factory)
Hold the button for 3 sec.
The clock can now be set forward or
back by turning the button to the right
or left respectively.
Changing the week day is done by
continuing to change the time until it
passes 0:00, either way. The numbers
1-7 do not correspond to any specific
days, so you can choose which day of
the week is No. 1 etc.
When the clock is set correctly, press
the button to save the settings.
3 sec.
10
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