30
Programming unit
Fig. 23
Calling up installation menu "INST"
1.
Press and hold
and
−
simultaneously for 3 s.
"INST"
appears on the display.
2.
Select parameter
"I"
, test functions
"T"
or actual
temperatures
"t'"
using
.
3.
Select parameter or function using
+
/
−
.
4.
Confirm with
OK
.
Overview of parameters
Parame-
ter
Delivered condition Setting range
Unit
Function
"I1"
1
1 or 2
—
1 Installation for recirculation air mode
2 Installation for outdoor air mode or recir-
culation air mode with air discharge to the
outside
"I2"
0
0 or 1
—
0 Installation without premium/economy tar-
iffs
1 Installation with premium/economy tariffs
Note
The (230 V) signal cable for premium/
economy tariffs must be connected. See
page 56.
Diagnosis and service scans
Installation menu
5788 057 GB
Diagnosis