Room Functions; Maximum Limitation Of Room Temperature - Siemens RVP360 Basic Documentation

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T
Rw
t [ h ] = 2 ———————
1 *
T
Rw
The duration of boost is limited to 2 hours.
T
R
T
Rw
T
Rw
T
RM
T
Rw
Where:
k
Building time constant in hours
t
t
Time
t
Duration of boost of room temperature setpoint with boost heating
1
T
Room temperature
R
T
Setpoint for NORMAL room temperature
Rw
T
Setpoint for REDUCED room temperature
Rw
T
Room model temperature
RM
T
Room model temperature when boost heating is started
RM1
T
Room temperature setpoint
Rw
T
Boost of room temperature setpoint (with boost heating)
Rw
9.5

Room functions

9.5.1

Maximum limitation of room temperature

For the room temperature, it is possible to have an adjustable maximum limitation.
Required for that purpose is a room sensor or room unit.
A room temperature lying 1 °C above the limit value leads to a room temperature
setpoint reduction of 4 °C. Maximum limitation of the room temperature is inde-
pendent of the setting made for the room influence.
If the room temperature lies above the limit value, the display shows
The flow temperature setpoint reduction T
T [K] = T ( 1 + s )
Vw Rw *
T
Rw
-1 -0,5 0,5
s Heating curve slope
T
Room temperature setpoint reduction
Rw
T
Deviation of the room temperature
R
T
Flow temperature setpoint reduction
Vw
Basic Documentation RVP360
9 Function block: Space heating
- T k
RM1 t
———
*
- T 20
Rw
T
Rw
T
RM1
t
1
is calculated as follows:
Vw
1 1,5 2 2,5
t
.
3
T
R
CE1P2546en
2017-07-24