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Siemens Graphical User Interface UI400 CE1U2348en
Building Technologies 2014-06-03
Emergency mode
Emergency mode can be maintained in the event the heat pump is not working
properly.
w Navigation to special operation menu is described in Section "Operate special
functions [➙ 66]".
1. Select "Emergency mode" = "On".
The function is activated.
2. Conclude the function with "Emergency mode" = "Off".
Drain refrigerant
You manually initiate the draining of refrigerant with this special function.
w Navigation to special operation menu is described in Section "Operate special
functions [➙ 66]".
1. Select "Drain refrigerant" = "On".
The function is activated.
2. Conclude the function with "Drain refrigerant" = "Off".
Initiate defrost
The manual defrost function is used for the evaporator of an air/water heat pump.
Additional information on the defrost function is available in the user's guides for
your controller.
w Navigation to special operation menu is described in Section "Operate special
functions [➙ 66]".
l Select "Initiate defrost" = "Yes".
Procedure
Procedure
Procedure
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