PRODUCT LINEUP: VRF-VENTILATION
DX-Kit for Air Handling
Applications
These kits enable other manufacturers air handling units (AHU) and fan coil units (FCU) to be incorporated into a Fujitsu VRF system or, be connected to a dedicated Fujitsu VRF outdoor unit as a 1:1 system to control outside air ventilation (AHU) or room temperature (FCU).
Multiple temperature sensors optimally control the air handling unit and fan coil unit.
AHU Thermistor DX-Kit
When connecting to an air handling unit, the supply air temperature is controlled by the discharge sensor.
Arrangement as part of a VRF system Transmission line
Indoor unit
VRF system
Air Handling Unit
FCU
When connecting to a fan coil unit, the room temperature is controlled by the return air temperature sensor.
DX-Kit Thermistor DX-Kit Wired R.C. Thermistor
EEV unit Control unit
Supports a wide range of capacity classes
• 2 EEV units can be connected in parallel and up to 20 HP (50 kW) large capacity units. (Separation Tube of UTP-LX180A is required.) • Connectable capacity range: 5 kW to 50 kW
Piping
EEV unit EEV unit
AHU or FCU (40 – 50 kW class)
Wiring Control unit
A variety of controls to match the application
Central control using our VRF controllers or central management controllers
Transmission line
Interface (Option)
Controller 204 VRF
Modbus network
Thermistor External I/O
DX-Kit AHU or FCU Transmission line DX-Kit External I/O
3rd party Controller
Central control from external controllers Thermistor DDC* External I/O AHU or FCU *DDC=Direct Digital Controller
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