35
4 Digital Input / Output
Relay Interface
connection check
Check the connection when the Digital Input / Output Relay Interface is connected and the locking
or fire alarm interlocking is set.
Locking interlocking operation check
1 Display “Alarm List” on the PC, and check that the S07:BMS-IFDD communication error is
not detected.
2 Enter a locking signal in the Digital Input / Output Relay Interface, and check that the set air
conditioner stops.
Fire alarm interlocking operation check
1 Display “Alarm List” on the PC, and check that the S07:BMS-IFDD communication error is
not detected.
2 Enter a fire alarm signal in the Digital Input / Output Relay Interface, and check that the set
air conditioner stops.
No. Check item No. Procedure
Error message
× NG:
The S07 alarm is
displayed.
1) Check if RS-485 communication is in the normal state.
(Refer to “14-6. RS-485 communication check”)
{ OK:
The S07 alarm is not
displayed.
Proceed to the next check.
Error message
× NG:
The set air conditioner
does not stop.
1) In the test mode, check with the LED on the Digital
Input / Output Relay Interface if the locking signal has
been input in the interface.
(For further details, refer to “7. Test run Check -
Confirming external input connection” in the Owner’s
manual of Digital Input / Output Relay Interface.)
2) Check if the locking input name is correctly entered in
the [Indoor unit group definition] sheet of the setting
file.
{ OK:
The set locking signals are individually input, and the air conditioners set for the
locking signals stop accordingly.
Error message
× NG:
The S07 alarm is
displayed.
1) Check if RS-485 communication is in the normal state.
(Refer to “14-6. RS-485 communication check”)
{ OK:
The S07 alarm is not
displayed.
Proceed to the next check.
Error message
× NG:
The set air conditioner
does not stop.
1) In the test mode, check with the LED on the interface if
the locking signal has been input in the Digital Input /
Output Relay Interface.
(For further details, refer to “7. Test run Check -
Confirming external input connection” in the Owner’s
manual of Digital Input / Output Relay Interface.)
2) Check if the fire alarm input name is correctly entered
in the [Indoor unit group definition] sheet of the setting
file.
{ OK:
The set fire alarm signals are individually input, and the air conditioners set for
the locking signals stop accordingly.
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