Programming Approach

[Aertiongs]

Dear Sir,

I would like to ask some help regarding the best approach for programming on LCN Pro.
Please see below details.

Devices:

LCN-SHS
LCN-NUI
LCN-R2H
LCN-GT4D w/ TS

Mechanical Devices:
2 Split Air Condition Units

Sequence of Operation:
1. We need only to control the power of the 2 split air condition units, (auto ON / OFF)
2. The leading split air condition unit set point is 24 Degree Centigrade.
(if the room temp is higher than 24 degree, the leading split air condition unit will ON.)
3. The back-up split air condition unit set point will be 27 Degree Centigrade.
(if the room temp is higher than 27 degree, the backup split air condition unit will ON too, 2 split air condition unit now in ON position.)
4. For every 24 hours the leading split air condition unit is changing.
(so that no split air condition unit will be over use.)

Thanks You and Regards,
Aertiongs