Design Technical Manual

Table Of Contents
FUNCTIONS
z
Indoor unit control
Individual control
Commands from Modbus
®
Network are sent to the respective indoor units. (Modbus
®
Network
→ respective indoor units of VRF Network)
Batch control
Commands from Modbus
®
Network are sent to all indoor units connected to VRF Network.
(Modbus
®
Network → All indoor units of VRF Network)
z
Indoor unit status monitoring
Indoor unit status is communicated to the Modbus
®
Network in the form of L
ON
®
Network
variables. (Modbus
®
Network ← All indoor units of VRF Network)
- (05 - 127) -
CONTROL
SYSTEM
CONTROL
SYSTEM