ECKELMANN Case Controller UA 4 E Series, Operating Instruction

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Firmware V3.13 21.04.2021 40/466
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5.7.2.1 Control of continuous motor expansion valves
Only UA 410 E AC
The opening degree is output at the two opening degree analogue outputs using a 0..10 V signal for the control
of continuous motor expansion valves (factory setting; for details, see
Functions of the analogue outputs 0..10
V ):
Analogue output 1 AO1: terminals 29/30
Analogue output 2 AO2: terminals 31/32
Example:
With an opening degree of 25% in zone 1, a voltage of 2.5 V is output at the associated analogue output 1
(AO1). For further details about the connections, see chapter Terminal assignment of the 0..10 V analogue
inputs .
Some continuous motor expansion valves require an enable; for details, see chapter Enable relays for
motor expansion valves .
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