Fujitsu AJ 126LELDH Series Design & Technical Manual page 663

¢ Functions
• Indoor unit control
Commands from Modbus network are sent to the respective indoor units.
(Modbus network → indoor units)
• Indoor unit status monitoring
Indoor unit status is communicated to the Modbus network in the form of indoor unit variables.
(Modbus network ← indoor units)
 Control and monitoring items
Item
On/Off Command*
Operation mode setting
Temperature setting
Airflow mode setting
Thermostat off setting*
Centrally control (Filter reset)
Centrally control (All mode)
Centrally control (Timer mode)
Centrally control (Set temperature mode)
Indoor unit
control
Centrally control (On/Off mode)
Centrally control (On mode)
Centrally control (Operation mode)
Filter sign reset
Anti-freeze setting
Energy save mode setting
Vertical/Horizontal airflow direction
louver setting
Human detection auto save
Human detection auto off
3-8. Modbus converter for indoor unit (UTY-VMSX)
Function
- (05-163) -
Description
Start/Stop operation
Cooling/Heating/Auto/Fan/Dry
Set room temperature
Set airflow
Thermostat off (Only one controller in VRF
network system can do this.)
Prohibition of filter sign reset of remote controller
Prohibition of all mode of remote controller
Prohibition of timer mode of remote controller
Prohibition of set temperature mode of remote
controller
Prohibition of On/Off mode of remote controller
Prohibition of On mode of remote controller
Prohibition of operation mode of remote control
Set filter sign reset command
Set anti-freeze command
Set energy save command
Set Vertical/Horizontal airflow direction louver
Set human detection auto save
Set human detection auto off
3. Adaptor/Convertor units