CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932 41
Program 2 – temperature setpoint denition with window contact function
8.6 Digital output assignment in program 2
Output Function Description
X4a-I Alarm signal
All alarms registered by the indoor unit, plus internal expansion mod-
ule alarms, are indicated via the output. In addition, the error code
can be displayed on the 7-segment display (see “4.7 7-segment dis-
play” on page 21).
X4b-II
Compressor signal/
operating signal
Either a compressor signal or operating signal is displayed, depend-
ing on DIP switch S2-2 (see “5.3.7 Status signals” on page 29).
X4c-III
Window contact
signal
The window contact signal is emitted as long as the window remains
open.
Table 22: Digital outputs in program 2
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