Gree FCU Series, Руководство по обслуживанию, Страница: 62 / 79

Unit Control
60
1. Control logic
(1) For the independent control system, the logic is showed as below:
(2) AC connected with weekly timer
The control system is made up of one weekly timer and 16 units, one weekly time could control max.
16 units, and independently control the on/off time of every unit. The logic is showed as below:
2. AC connected with PC (long distance monitoring)
Long distance monitoring system could control max. 255 units and independently control the
operation mode, fan speed, on/off of the unit, the control logic is as below:
3. AC control principle sketch
Following components could be controlled by the FCU: water pump (cassette type), water valve, fan,
swing fan (cassette, horizontal exposed, vertical exposed), auxiliary electric heater and water overflow
protection signal. The communication data between mainboard and display board is 485, the display
board could be controlled by wireless remote controller.
Note: the concealed ceiling FCU is excluded in above information.