3-8 DX-KIT
HEXFAN
TH: Intake/Discharge, HEX inlet/outlet
HEX
FAN
TH: HEX inlet/outlet
TH: Intake/Discharge
FGL RC.
LON
FGL Products
FGL Products
LON
External Controller
(DDC)
Universal remote
Controller
1. FGL remote/controller connection
The DX kit is controlled by a VRF operation device and use the external output of the DX kit to performe the AHU operation
indirectly.
Control devices can be unified with FGL devices.
2. External controller connection
Air conditioning control (thermostat-control) can be designed on-site.
(Air conditioning control by DX is also possible.)
Control equipment suited to the application can be connected.
Interface
External input
External output
Contents
Fan ON/OFF
Thermostat ON/OFF
Interface
External input
External output
Contents
Operation ON/OFF
Operation mode Cool/Heat
Set temperature or capacity
request (Analog input)
Error
Operation ON/OFF
Error
Special operation (defrost)
Remarks
Typical indoor unit is required for mode changing.
Temperature setting:
When thermo-control is performed by DX kit.
Capacity request:
When the thermo-control is performed by external controller.
Information on error occurred at external controller
Information on error occurred at VRF system
The Fan operation can be stopped with the communication
siginal of special operation
External
Input/Output
External output
External refrigerant cycle
External refrigerant cycle
DX-Kit
DX-Kit
Fan abnormal intput
3-8-1 SYSTEM CONFIGURATION
03-25
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