Firmware V3.13
21.04.2021
96/466
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5.10.6 Coldroom with defrost heater (controller type UR 141 TE)
The parameters for fan control are::
Thermal fan delay
The fan runs during cooling mode and is stopped during defrosting. When the Fan Delay parameter is set to
”--” on the UR 141 TE, the fan continues running during defrosting.
On
completion of defrosting
, the following conditions apply to starting the fan:
If the thermal fan delay is exceeded on the evaporator sensor after defrosting, the fan will initially not start
so as not to force heat into the coldroom.
After defrosting, the conditions for fan starting are checked only after the drip time has expired.
If
on-off control
is activated, the following will additionally apply::
The fans are operated with room control.
If the fan is switched off via the coldroom controller, then in order to switch the fan back on via the
coldroom controller the thermal fan delay on the evaporator sensor must also be exceeded.
The fans start when the room controller enables superheat control and stop when superheat control is
disabled.
If a
waiting time
has been defined, the fans that are running will not be stopped before initiating defrost until
the set waiting time has expired. This allows the refrigerant remaining in the evaporator when the solenoid
valves are closed to evaporate.
The fan remains continuously on when the Fan Delay parameter is set to --.
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 ...