Specifications

2221
Note : 1. Installation box for adaptor must be procured on site.
Central remote controller (Optional)
No. of unit

Details
Indoor unitCentral remote controller Outdoor unit Associated with adaptor PC board
Maximum 128 units
(*1)
Central remote controller 
(Max. 2 units)
Unified ON/OFF controller
(Max. 8 units)
Schedule timer (Max. 1 unit)
Parallel interface (Max. 4 units)
Outdoor unit for VRV(*3) Wiring adaptor for electrical
appendices (Max. 1 unit)
External control adaptor for
outdoor unit
Maximum 10 units Maximum 10 units
Note : (*1) When eight or more central remote controllers are used, the following conditions must be met. (These conditions do not apply for up to seven units.)
- Central remote controllers + Indoor units + Outdoor units + Other adapters 160 units
- Converted central remote controllers* + Indoor units + Outdoor units + Other adapters 200 units
* Converted by assuming that one central controller unit (excluding the ON/OFF controller) represents 10 units.
(*2) When using BS units, indoor units connected to the BS units are not included in the number of units.
(*3) A maximum of 10 outdoor units and 5 function units can be connected.
Indoor unit for VRV
Indoor unit of SkyAir 
(separate adaptor is required) 
HRV
BS unit (*2)
FD
(
Y
)
M-FA, FDYB-KA, FD
(
Y
)
-K
(
A
)
,
FVY
(
P
)
J-A, UAT
(
Y
)
-K
(
A
)
series
(separate adaptor is required)
Wiring adaptor for other air-conditioner
Outdoor-air processing unit
64 groups (zones) of indoor units can be 
controlled individually same as LCD Remote controller.
Max.64 groups (128 indoor units controllable)
Max. 128 groups (128 indoor units) are controllable by using 2 central remote controllers,
which can control from 2 different places. 
Zone control
Malfunction code display
Max. wiring length 1,000 m (Total : 2,000 m)
Combination with Unified ON/OFF controller, schedule timer and BMS system
Unified ON/OFF controller (Optional)
16 groups of indoor units can be operated
simultaneously/individually.
Max. 16 groups (128 indoor units) controllable
2 remote controllers can be used to control from 2 different places.
Operating status indication (Normal operation, Alarm)
Centralized control indication
Max. wiring length 1,000 m (Total : 2,000 m)
Compact size casing (Thickness : 16 mm)
Combination with Central Remote controller, Schedule timer and BMS system
Schedule timer (Optional)
Max.128 indoor units can be operated as 
programed schedule.
Max. 128 indoor units controllable
8 types of weekly schedule
Max. 48 hours back up power supply
Max. wiring length 1,000 m (Total : 2,000 m)
Compact size casing (Thickness : 16 mm)
Combination with Central Remote controller, Unified ON/OFF controller and BMS system
Up to 64 groups of indoor units (128 units) can be centrally controlled.
Optional controllers for centralized control can be combined freely, and
system can be designed in accordance with building scale and purpose.
System integration with various air-conditioning peripheral
equipment such as HRV (Heat Reclaim Ventilation) is easy.
Wiring can be run up to a total length of 2 km, and adapts easily to
large-scale system expansion.
Part name Model No. Function
Unification adaptor for computerized control DCS302A52
Interface between the central monitoring board and central
control units. Combined with the central remote controller,
this adaptor enables the central monitoring board to
centralize such functions as the on/off control, operation
status monitoring, and normal/malfunction monitoring.
(*1)
Interface adaptor for SkyAir series
DTA102A52
Wiring adaptor for other air-conditioner
DTA103A51
DTA107A55
Adaptors required to connect products other than those of
the VRV System to the high-speed DIII-NET
communication system adopted for the VRV System.

* To use any of the above optional controllers, an appropriate adaptor must be 
installed on the product unit to be controlled.
Central control adaptor kit
For UAT(Y)-K(A), FD-K
For SkyAir, FD
(
Y
)
M-FA, FDYB-KA, FDY-KA, FVY
(
P
)
J-A
For air conditioners otherthan mentioned above.
Centralized Control Systems
DCS302B61
DCS301B61
DST301B61
Central control
adaptor kit
(DTA107A55).
Wiring adaptor
for other air-
conditioners
(DTA103A51)
Central remote 
controller
(DCS302B61)
Up to 2 units
connectable
Unified on/off 
controller
(DCS301B61)
Connection of
up to 8 units
possible
Schedule timer (DST301B61)
1 unit connection possible ; 
8 weekly schedule control patterns possible
Forced 
shut-down
input
Independent and
centralized control of
HRV is possible.
Outdoor-air
processing
unit can be
connected.
Unification adaptor for computerized
control * (DCS302A52)
Interlink Building Management System 
(host computer monitor panel) also possible
6 cores 7 cores max.
Address setting of central control can be 
performed from the remote controller.
Group control of up to 16 units is possible 
(group control via automatic address setting)
System without remote control is also available.
Interface adaptor for SkyAir
series (built-in indoor unit)
(DTA102A52)
Outdoor-air processing units cannot be controlled with indoor units 
in the same group, and cannot be connected to VRV-Plus Series.
    : http://splitoff.ru/tehn-doc.html