TAC AB, Feb 2000
4:5
Special functions, P:16 -
TAC 200 User’s Manual
The curve inclinations at the end points are used up (down) to selectable
maximum and minimum supply temperature limits.
Control curve adjustment.
P:16 Max supply temperature
P:17 Min supply temperature
Adjust the supply temperature values with P:16-17.
P:18 Curve point x(1)
P:19 Curve point y(0)
P:20 Curve point y(1)
P:21 Curve point y(2)
Adjust the control curve with P:18-21.
Note that only one x-coordinate, x1 (P:18), may be changed, the other two are
fixed.
y0, y1 and y2 are all variable.
The room sensor permits parallel displacement of the control curve (please
refer to section 4.6).
If the system is not equipped with a room sensor and there is a constant
deviation from the desired room temperature, the control curve may be
adjusted upwards or downwards by the function P:08 (see section 3.2).
020
30
50
–1030
t
supply
y (°C)
70
90
P:19
P:20
P:21
10
t
outdoor
x (°C)
y1
y2
y0
P:18
P:16
x1
P:17
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