94 CompTrol Interface V4.0.x | Issue 21-05-2021 | 1000932
Program 10 – direct frequency request with the CompTrol Master
16.7 Digital output assignment in program 10
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
Defrost signal/heat-
ing signal
Either a defrost signal or heating signal is displayed, depending on
DIP switch S2-2 (see “5.3.7 Status signals” on page 29).
Table 71: Digital outputs in program 10
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