Technical data

•
• Sky Air • BACnet Interface
126
7
9
9 Function
9 - 1 Outline of functions
• This BACnet Interface enables interfacing between the VRV system and central monitoring board.
• Data of up to 256 groups of air conditioner (when the option DIII board is used) are controllable by the BACnet Interface.
• Air conditioners are operable and the state can be monitored from the central monitoring board by BACnet communication.
9 - 2 Main functions
The BACnet Interface can monitor and control air conditioners from a maximum of 256 groups, on a unit by unit basis.
Major features are listed below.
1. Switches the ON/OFF operation and monitors operational state.
2. Monitors indoor units for malfunctions.
3. Monitors and changes temperature.
4. Monitors indoor unit temperature.
5. Monitors and resets filter clean sign.
6. Switches the operation mode.
7. Sets remote control operation
8. PPD data is available on BMS-system
9 - 3 Names and functions of each part
LED display
CPU ALIVE It flashes when the unit is in normal operation.
CPU ALRM It flashes when the unit is abnormal operation.
D III -1 It flashes when it receives/transmits data from/to the equipment connected with DIII-1
such as air conditioners
DIII-2 It flashes when it receives/transmits data drom/to the equipment connected with DIII-2
such as air conditioners
Ether RCV It flashes when it receives/tranmits data from/to BACnet client.
Ether link It lights when the 10BASE-T acable or 100BASE-TX cable
RS485 (TxD) This LED display cannot be used with this unit
RS485 (RxD) This LED display cannot be used with this unit
RS232C-1 (TxD) It flashen when it tramits data to PC
RS232C0-1 (RxD) It flashen when it receives data from PC
RRS232C-2(TxD) It flashes when it tranmits data to the central minitoring board.
RS232C-2(RxD) It flashes when it receives data from the central minotoring board.
1P191169C
Modem connector for Air
Conditioning Network
Service System
(15)
(13)
68.5
263
130
275
260
RS232C connector for
PC communication
Connector for connecting
with PC for commissioning
RS232C connector for central monitoring
board communication
This connector for connecting with the central
monitoring board using RS232C.
This is used when distribution the power
supply to indoor units (No Voltage)
(option model name: DAM412B51
Terminal block for DII-NET
communication (option)
It flashes when it receives/transmits data from/to the
equipment connected with DIII-3 such as air conditioners
It flashes when it receives/transmits data from/to the
equipment connected with DIII-4 such as air conditioners
DIII-4
RCV
DIII-3
RCV
LED display
Terminal block for communication
with air conditoners
(option model name: DAM411B51)
Connector for BACnet
communication
This connector is used for
communicating with a client by
BACnet communication system
Terminal block for DII-NET
communication
Terminal block for
communication with air
conditoners
Terminal block for force
stop input of indoor unit
This is used when stopping the
indoor units compulsorily by
contact input (No Voltage)
Earth terminal block
Make sure to connect
the earth wire
Detailed drawing of fixing hole
4.5
9
ø10
R2.25
Power supply
terminal block
Connect the lines with
AC100-240V
Power supply switch
Turn this switch to
ON when using
Terminal block for contact output
Do-1: ON when the unit malfunctions
Do-2: ON when an air conditioner
malfunctions
Terminal block for watt hour meter (option)
When using Air Conditioning
Network Service
Systemservice, connect it to
the telephone line
Power
DIII-1
CPU ETHER
DIII ETHER
RCV
ALIVE LINKALRM
DIII-2
Di
RS485
Do-1
Do-2
AC100-240V
~
50/60Hz
DAIKIN D-BACS
DAIKIN D-BACS
Power
DIII-1
CPUETHER
DIII ETHER
RCV
ALIVE LINKALRN
DIII-2
Di
RS485
Do-1
Do-2
AC100-240V
~
50/60Hz
CPU ETHER
DIII ETHER
RCV
ALIVE LINKALRM
Line Phone RS232C-2
Di Board
DIII Board
Di Board
DIII Board
PCMCIABACKUP
POWER
OFF ON
100BASE-TX
10BASE-T
RS232C-1