Configuration settings are presented for changing in the following order:
To enter the configuration settings change mode press the‚ buttons
simultaneously and hold them for 5 seconds until the display backlight starts
flashing.
1. HYSTERESIS CHANGE:
Hysteresis is designed to prevent switching the controlled device on and off
too frequently due to minute fluctuations of temperature.
E.g. for the HI 2 hysteresis, when the temperature is set to 20°C, the boiler
will be switched on at 19.8°C, and switched off at 20.2°C. For the HI 4
hysteresis, when the temperature is set to 20°C, the boiler will be switched
on at 19.6°C, and switched off at 20.4°C.
The hysteresis change mode is signalled by
flashing text HI. You can change hysteresis
settings with turn the knob clockwise.
[prgo] [ ok]
32
Configuration settings
hysteresis
change
offset
change
HI 2 – ±0,2°C (factory setting),
HI 4 – ±0,4°C.
Confirm the setting by pressing the button. The regulator will proceed
to change the
[OK]
delay change
(3021 / 3021 DS only)
33
3. OFFSET CHANGE
Offset allows for calibrating temperature indications within the tolerance
of ±3°C.
E.g. the temperature regulator indicates that the room temperature is 23°C,
whereas a regular mercurial thermometer placed alongside indicates 24°C.
Changing offset by +1 degree makes the regulator indicate the same
temperature as the mercurial one.
The offset change mode is signalled by flashing text
OFFS. You can set the desired value (turn the knob
clockwise) within the range from 3.0 to 3.0 (factory
setting is 0.0).
Confirm the setting by pressing the button. The regulator will resume
normal mode of operation.
[OK]
NOTE: If no button is pressed for 10 s while changing configuration settings,
the regulator will resume normal mode of operation.
3. DELAY CHANGE (AURATON 3021 / 3021 DS only)
Delay is designed to prevent switching the controlled device on and off too
frequently e.g. due to a momentary whiff of air caused by opening
a window.
This mode is signalled by flashing text 90:SE. Turn the knob clockwise to
switch the delay on and off.
90:SE – 90s delay (factory setting)
0:SE – without delay.
Confirm the setting by pressing the button. The regulator will proceed
to change the next parameter.
[OK]
Pr Off/Pr On
(3021 DS only)
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