Shifts in the set point which are caused by manual set point correction, return air tempera-
ture limit, summer compensation or by condensation detection, have unrestricted effects on
the exhaust air temperature set point.
Functions
WE
Configuration
Control method
Exhaust air cascade control (–> page 17)
Sensor F1, supply air temperature
or
assignment of inputs AE1 to AE4
OFF
Fb1 = ON or
Fb18 = ON,
option
: AE1F1
Sensor F2, exhaust air temperature
or
assignment of inputs AE1 to AE4
OFF
Fb2 = ON or
Fb18 = ON,
option:
AE3F2
Parameters
WE
Range of values
Exhaust air temperature set point
22 °C
0 to 40 °C
Temperature set point of the slave loop
22 °C
0 to 50 °C
K
P
Temperature master loop
1
0.1 to 99.9
Supply air temperature minimum limit
18 °C
0 °C up to Supply air temp. maximum limit
Supply air temperature maximum limit
26 °C
Supply air temp. minimum limit up to 50 °C
K
P
0.5
0.1 to 99.9
T
N
60 sec 1 to 999 sec
T
V
– – –
– – – to 999 sec
5.1.4 Room temperature control
The sensor input F5 is the control variable input by default. Alternatively, the room tempera-
ture can also be guided over the analog input AE3 to the controller.
The room temperature is controlled by a PID algorithm with an adjustable
Room temperature
set point. Depending on the system code number, the temperature control loop has between
1 and 3 sequence outputs that are adapted to the dynamics of the corresponding system
components by means of the
K
P
, T
N
and
T
V
control parameters. Functions such as return air
temperature limit, summer compensation, manual set point correction or condensation detec-
tion can shift the set point.
Functions
WE
Configuration
Control method
Room control (–> page 17)
Sensor F5, room temperature
or
assignment of inputs AE1 to AE4
OFF
Fb5 = ON or
Fb18 = ON, option AE3F5
EB 5477 EN
39
Control methods and system components