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Roof Top Air Conditioning System Citysphere
A flashing point in the lower right of the display signifies that the selected output mode is disabled. A permanently
lighted point signifies that the output is switched on. In order to switch the outputs on/off, the button
button
must be pressed.
Inputs
Parameter
Diagnostic output compressor motor
Automatic electrical heating element
identification (with relay installed)
30
Description
D + (terminal 15)
Axial fan
Condition
Point
0 V
Flashing
Z or 24 V
On
Z or 0 V
Flashing
24 V
On
Z or 0 V
Flashing
24 V
On
24 V
Flashing
Z or 0 V
On
or the
Significance
Fault
OK
No elec. heating
element present
Elec. heating
element present
Fault
OK
Fault
OK
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