Setting The Wall Compensation; Adjusting The Controller Behaviour; Characteristics Of A Hysteresis Controller - Theben ramses 812 top Operating Instructions Manual

5.4.3 Selecting the language
5.4.3 Selecting the language
F r a n c a i s
E n g l i s h
D e u t s c h
L a n g u a g e
N L
O K
E s p a n o l
I t a l i a n o
Select the language with the buttons ▲ or ▼.
Select the language with the buttons
Confirm with the OK button. Cancel with ESC.
Confirm with the OK button. Cancel with ESC.

5.4.4 Setting the wall compensation

5.4.4 Setting the wall compensation
In case of unfavourable conditions at the installation site (installation
In case of unfavourable conditions at the installation site (installation
at the exterior wall, chimney, etc.), there may be deviations in temper-
at the exterior wall, chimney, etc.), there may be deviations in temper-
ature between the temperature measured by the thermostat and the ature between the temperature measured by the thermostat and the
actual room temperature. This difference in temperature can be com- actual room temperature. This difference in temperature can be com-
pensated with the wall compensation by setting an offset value. pensated with the wall compensation by setting an offset value.
Example: The difference between the measured and the controlled Example: The difference between the measured and the controlled
temperature is 2°C, i.e. the room temperature is regulated 2°C too temperature is 2°C, i.e. the room temperature is regulated 2°C too
high: Offset value -2°C. high: Offset value -2°C.
W a l l c o m p
O K
Offset value adjustable from -3°C ... +3°C.
Offset value adjustable from -3°C ... +3°C.
Setting with ▲ or ▼. Confirm the value with OK.
Setting with or
Cancel with ESC.
Cancel with ESC.
ENGLISH

5.4.5 Adjusting the controller behaviour

5
Characteristics of the PD controller
back to back to
With suitable heating systems the PD controller is characterized by
a short setting time, scarce maximum overshooting and therefore a
S e r v i c e
high control accuracy.
see 5.4.1
see 5.4.1
O K

Characteristics of a hysteresis controller

With over or under engineered heating systems a hysteresis con-
troller is characterized by scarce shift frequency and small tempera-
5.4.5
or . ture deviations.
C o n t r o l
Set with buttons
Set with buttons
▲ or ▼:
0.2°C ...1.0°C 0.2°C ... 1.0°C
W a l l c o m p
o
O K
0 . 0 C
. Confirm the value with OK.
26
Adjusting the controller behaviour
H y s t c o n t r o l
P d c o n t r o l
O K
O K O K
H y s t e r e s i s A m p l i t u d e
or :
o
0 . 3 C 0 . 2
O K
P e r i o d
1 0
or autom. O f f s e t
after 6 sec. 0 . 3
back to
back to
S e r v i c e E N D
see 5.4.1
or autom.
see 5.4.1
O K
after 6 sec.
E N D
Set with buttons Set with buttons
▲ or ▼:
or :
o
C
0.2°C ... 5.0°C
0.2°C ...5.0°C
O K
5 ... 30
5 ... 30
O K
0.1°C ...0.2°C
0.1°C ... 0.2°C
o
C
O K