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DDC type
: Direct capacity control of Carrier VRF outdoor unit by analogue input (0-10 V)
Mainly discharge air temperature control linked AHU system.
Outdoor unit
Outdoor unit
• Diversity specification
Type
(communication)
TA type
DDC type
TF type
• Two or more AHU below 12 HP combination is available.
• Two or more AHU over 14 HP combination is available.
• Combination AHU below 12 HP with VRF FCU below 10 HP is available.
• Combination AHU over 14 HP with VRF FCU is prohibited.
• For the AHU prepared on-site, please design with referring to submittal of AHU.
Please refer to the design guideline for details.
DX COIL type
Max. connectable
Dx-coil capacity
Specification
1 inlet & outlet port
Dx-coil controller
Dx-valve kit
Dx-coil controller
Dx-valve kit
38VT
(TU2C-LINK or TCC LINK)
60 - 110%
75 - 100%
80 - 100%
Normal
Split face
UP to 40 HP
Not Available
2 or 3 inlet & outlet ports
2 or 3 path ways are
arranged up and down
TA
TCJ
TC2 TC1
TA
TCJ
TC2 TC1
Interlaced
Not Available
2 or 3 inlet & outlet ports
2 or 3 path ways are
interlaced
– 9 –
Locally procured
DDC
AHU
TF
Locally procured
DDC
AHU
TF
Split Row
Not Available
2 or 3 inlet & outlet ports
2 or 3 path ways are
arranged parallels
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