22
6.6 Changing settings
Certain set values can be changed by both
the user and the installer, in order to custom-
ise the unit to the current situation.
6.6.1 Changing settings by the user
The user can change 3 settings, namely U1,
U2 and U3 (see table in section 6.6.3) U4, U5
and U8 have no function with the WRG 300 /
400 EC. How to change these settings is fully
explained in section 6.2 and is also shown in
the menu structure diagram in section 6.4.1.
Step
no.
Display
(example)
Description
Comments
No. 1
2. 100
Current outgoing air fan
level [m
3
/h]
No. 2
C0
Operating mode message
code
C0 = No message
C3 = The supply air fan is running
in constant pressure mode
C6 = The outgoing air fan is running
in constant pressure mode
C7 = Correction of the maximum
air
volume
No. 3
bP.1
No function
No. 4
tP.9
Outside temperature [°C]
In the case of temperatures below
0°C Display tP.9
No. 5
tS.21
Inside temperature [°C]
No. 6
In. 0
No function
No. 7
u
.156
Current supply air volu-
metric flow [m
3
/h]
No. 8
u
.156
Current exhaust air volu-
metric flow [m
3
/h]
No. 9
t.180
Current supply air channel
pressure [Pa]
No. 10 A.180
Current exhaust air chan-
nel pressure [Pa]
No. 11 u0.0
Frost protection status
0 = Not activated,
1 to 4 = Imbalance,
5 = Supply air fan off
No. 12 St.9
Outgoing air temperature
[°C] (Sensor not con-
nected as standard)
St. 75 if not connected
No. 13
Pt.18
Outgoing air temperature
[°C] (Sensor not con-
nected as standard)
Pt.75 if not connected
Use
r
Installe
r
