ECKELMANN Case Controller UA 4 E Series - Control of Continuous Motor Expansion Valves

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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