Daikin BRR9B1V1, Installation Manual

Page: 27 / 40

8 | Configuration
Installation manual
27
BRR9B1V1
Communication box
4P617761-1 – 2020.04
Slave
address DS1 DS2 Remarks
1 2 3 4 1 2 3 4
1 OFF OFF OFF OFF OFF OFF OFF ON —
2 OFF OFF OFF OFF OFF OFF ON OFF
3 OFF OFF OFF OFF OFF OFF ON ON
…
26 OFF OFF OFF ON ON OFF ON OFF
…
245 ON ON ON ON OFF ON OFF ON Maximum
effective
address
3 If needed, set the terminating resistance. You can set this setting with 2 slide
switches (SS2, SS3). If both switches are "OFF" (default setting), the
terminating resistance is 0 Ω.
OFF
ON
SS2
12 0 Ω
SS3
10 0 Ω
SS2
12 0 Ω
SS3
10 0 Ω
8‒1 Example of slide switch settings when resistance is 120 Ω
OFF
ON
SS2
12 0 Ω
SS3
10 0 Ω
SS2
12 0 Ω
SS3
10 0 Ω
8‒2 Example of slide switch settings when resistance is 100 Ω
4 Check all transmission wiring (DIII weak current).
5 Check all transmission wiring (RS‑485 weak current) from the monitoring
system to the communication box.
6 Close the communication box cover when you turn ON the power supply.
7 Set the parity using the push buttons (BS1~BS5) on the A2P PCB of the
communication box. The table below shows the setting method. Set the parity
as specified by the monitoring system.
Procedure LED indication
(a)
Remarks
H1P H2P H3P H4P H5P H6P H7P
Initial indication Shows the initial indication in
normal conditions.
Press and hold BS1 for 5 seconds. Make sure that the H1P LED has
turned ON.
Press BS2 2 times. Check the pressing count against
the LED indication.
Press BS3 once. Indicates the last setting status.
Press BS2 to
select the
desired setting. None Factory setting
Odd —
Even
Press BS3 once. The LED indication will change
from flashing to ON.