Dx Kit; System Configuration - Fujitsu AUXB04GALH Service Manual

3-7 DX-KIT

3-7-1 SYSTEM CONFIGURATION

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.
FGL Products
LON
Interface
Contents
External input
Fan ON/OFF
Thermostat ON/OFF
External output
FAN abnormal intput
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.
Universal remote
Controller
FGL Products
LON
Interface
Contents
Operation ON / OFF
External input
Operation mode Cool / Heat
Set temperature or capacity
request (Analog input)
Error
Operation ON/OFF
External output
Error
Special operation (defrost)
FGL RC.
External output
TH: Intake/Discharge, HEX inlet/outlet
DX-Kit
TH: Intake/Discharge
External Controller
(DDC)
External
Input/Output
TH: HEX inlet/outlet
DX-Kit
External refrigerant cycle
FAN HEX
External refrigerant cycle
HEX
FAN
Remarks
Typical indoor unit is required for mode changing.
Temperature setting :
When thermo-control is performed by DX kit.
Capacityrequest :
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
03-18