Overview - Toshiba TCB-IFDMX01UP-E Installation Manual

2.

Overview

VRF Dx-coil interface is the product that is used with connecting the AHU with the DX COIL prepared on-site to the
TOSHIBA VRF outdoor unit.
*1. DX COIL: Abbreviation of the Direct expansion coil (heat exchanger).
*2. DDC: Abbreviation of the Direct Digital Controller.
*3. AHU: Abbreviation of the Air Handling Unit.
For the installation of the air handling unit, refer to the installation manual of the air handling unit.
• Dx-coil interface (DDC type use for Supply air temperature or TF type) cannot control the room temperature.
 Example of the system configuration
VRF Dx-coil interface can connect to SMMS-u and SMMS∞.
The VRF Dx-coil interface can also be connected to SMMS-e or SMMS-7, but the functions that can be used are the
same as those of TCB-IFDMX01UP-E and TCB-IFDMR01UP-E.
In one cycle the outdoor unit and Dx-coil interface shall be one each for the structure.
For the AHU prepared on-site, please design with referring to submittal of AHU.
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
7-EN
Dx-coil controller
Remote
controller
Valve kit
Dx-coil controller
Remote
controller
Valve kit
– 7 –
AHU
TA
TCJ
TC2
TC1
AHU
TA
TCJ
TC2
TC1
TF