2.
Overview
VRF DX COIL INTERFACE is the product that is used with connecting the AHU prepared on-site to the
TOSHIBA/Carrier VRF
outdoor unit.
*1. DX COIL: Abbreviation of the Direct expansion coil (heat exchanger).
*2. AHU: Abbreviation of the Air Handling Unit
For the system design and the cautions, refer to the Dx-coil controller Installation Manual.
■
Example of the system confi guration
TA type
: Enables to connect 3rd party indoor unit or air handing unit as one of VRF indoor unit.
(Return air temperature control by remote controller setting)
Main application target – Room temperature conditioning
Outdoor unit
TF type
: The discharge temperature is set by the remote controller to control the capacity.
Main application target – Ventilation
Outdoor unit
Dx-coil controller
Remote
controller
Room
12:00
(Mon)
82
°F
Set temp. (Cool)
Dx-Valve kit
Dx-coil controller
Remote
controller
Room
12:00
(Mon)
82
°F
Set temp. (Cool)
Dx-Valve kit
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AHU
TA
TCJ
TC2
TC1
AHU
TA
TCJ
TC2
TC1
TF
EN