Overview of the programming unit at the unit
The programming unit supplies information about the operating state and any
messages, as well as enabling scans and modifications of the equipment con-
figuration to be implemented.
The programming unit is equipped with a 3-segment display. The return tem-
perature is permanently displayed with one digit behind the decimal point. Mes-
sages and parameters are displayed in code (see table from page 29).
A ON/OFF indicator compressor 1
B ON/OFF indicator compressor 2
*
1
C Heating mode indication
D Cooling mode indication
E Key for operating mode selection
F Key for switching the unit ON and
OFF (see page 17), for deleting
messages (see page 28) or for
scrolling down through the menu
G Display
H ON/OFF indicator, defrost
K ON/OFF indicator, electric hea-
ter
*
2
Indication of the operating states through the LED at the programming unit
LED LED indicator Operating condition
Compressor 1 Flashes Active delay
ON Compressor ON
OFF Compressor OFF
Compressor 2 The units described in these instructions
are only equipped with one compressor
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