Table of Contents
Advertisement
Without outdoor and exhaust air temperature
feedforwarding
Control
signal
Y2
– System deviation
With outdoor temperature feedforwarding
Y2
Outdoor temperature
Fig. 16 · Various output signals, e.g. in system code number 4
Note!
The proportion of outdoor air can be suppressed during the warm-up phase with Fb43 = ON.
Functions
Sensor F7, mixed air or extract air temperature
Operating action Y2
Circulating air mode after system start-up
Parameters
K
Mixed air chamber
P
T
Mixed air chamber
N
T
Mixed air chamber
V
Minimum outdoor air rate
Mixed air temperature set point
Y1
Y3
+
Control variable
Y1
Y3
– System +
Control variable
deviation
Control methods and system components
With outdoor and exhaust air temperature
feedforwarding
Control
signal
Y2
t
> t
t
< t
A
Ab
A
Outdoor temperature
WE
Configuration
Fb7 = ON, option: mixed air sensor
OFF
Fb22
OFF
Fb43 (not with supply air control)
WE
Range of values
0.5
0.1 to 99.9
60 sec 1 to 999 sec
– – –
– – – to 999 sec
20 %
0 to 100 %
18 °C
10 to 30 °C
Y1
Ab
– System +
Control variable
deviation
EB 5477 EN
Y3
47
Advertisement
Table of Contents
