Firmware V3.13
21.04.2021
37/466
5.7.2 Control of the expansion valves
The output of the opening degree for controlling the two electronic expansion valves of zone 1 and zone 2 is
provided at the factory via the pulsing (PWM - pulse width modulation) of the two semiconductor relays EEV1
and EEV2 and the two analogue outputs AO1 and AO2 (only UA 410 E AC).
UA 400 E CC / UA 410 E AC
UA 401 E CC
UA 400 E CC / UA 410 E AC
Single-zone operation
Single-zone operation
Two-zone operation
Standalone operation
EEV1
on terminals 23/24
EEV1 and EEV2
on terminals 23/24 and 33/34
Terminal assignment of the 230 V AC relay outputs
Pulsed electronic expansion valves
The parameter "
Freigaberel.
(menu 6-3)
must
be configured to "OFF" (factory setting) so that the
semiconductor relays output the opening degree in a
timed
way:
Содержание Case Controller UA 4 E Series
Страница 23: ...Firmware V3 13 21 04 2021 23 466 For more details see chapter Operation UA 4xx E...
Страница 135: ...Firmware V3 13 21 04 2021 135 466 Exit the menu by tapping the ESC button twice...
Страница 157: ...Firmware V3 13 21 04 2021 157 466 Connection diagram UA 400 E CC One zode controller and two zone controller...
Страница 158: ...Firmware V3 13 21 04 2021 158 466 Anschlussbild UA 401 E CC One zode controller...
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Страница 216: ...Firmware V3 13 21 04 2021 216 466 SENSORS POS XXXXX Entry Default 5K3A1 Temperature range 0 100 C...
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Страница 364: ...Firmware V3 13 21 04 2021 364 466 MODE POS XXXXX Entry Default Fixed run time Enthalpy ctrl rtm...