6 Building air conditioning controls
CSNET Manager LT/XT
TCGB0106 rev.0 - 12/2014
563563
6
Description of parameters
To use this option, you have to set the parameters shown in the Auto Cool/Heat operation panel. After that, if unit is
working in Auto Cool/Heat mode, you can see the status of this operation on the status zone of the panel.
The Auto Cool/Heat panel shown corresponds to the cooling circuit of the indoor unit selected in the table of indoor units,
as shown in the example.
You should adjust the following parameters:
• Unit conguration
- Master unit: Field for selecting the method CSNET will use to calculate the temperature difference.
-
(Marked): CSNET will only use this unit to calculate the temperature difference and decide the change, not
taking into account the other units connected to the same 2-tube cooling circuit.
-
(Not marked): CSNET will use the average temperature difference of all the indoor units connected to the
same 2-tube cooling circuit.
CAUTION
When this method is used (marked), the following outdoor unit option cannot be used: “control of indoor unit fan speed” (during operation
with the thermostat deactivated in heat mode, the indoor fan stops for 6 minutes and operates for 2 minutes). If it is used, the decision of
when to change will not always be correct (if it is measured during the deactivation cycle of 6 minutes).
- Select input data: eld for selecting what inlet temperature CSNET should use to calculate the temperature
difference if an optional remote temperature sensor is connected in THM4 of the PCB of the indoor unit or if there is
RCS remote sensor. When there are selected a combination of different sensor it will calculate the average between
them. When nothing is selected, it is forced to use the Tin value.
- Minutes between change mode: The time which must elapse between the last change of operation mode to the
next change.
- Pre set adjustment: 20 min.
- 10 min steps.
- 20 min... 60 min margin.
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