Connection; Connect To The Ac Indoor Unit - IntesisBox FJ-RC-MBS-1 User Manual

2. Connection

The interface comes with a plug-in terminal block of 3 poles to establish direct connection with
the AC indoor unit. It comes as well with a plug-in terminal block of 2 poles to establish direct
connection with the Modbus RTU EIA-485 network.

2.1 Connect to the AC indoor unit

The FJ-RC-MBS-1 connects directly to the Fujitsu BWR Bus, which is not provided within the
interface. Depending on which controllers are available, the recommended connection' methods
are the following ones (details in Figure 2. 1):
• Wired remote control available. Connect the gateway as Slave in parallel with the
wired Remote Controllers (Controller acts as Master).
• No remote control available Connect the gateway directly to the BWR bus of the
indoor unit as Master when there is no Fujitsu Remote Controller.
Maximum BWR bus length is 500 meters / 1,640.42 ft. The bus has no polarity sensitivity.
© Intesis Software S.L.U. - All rights reserved
This information is subject to change without notice
IntesisBox ® is a registered trademark of Intesis Software SLU
FJ-RC-MBS-1
AC Indoor Unit
GND (3) B
Data (2) W
Power (1) R
Internal electronic
Max. 500 m / 1,640.42 ft
control board
AC Indoor Unit
GND (3) B
Data (2) W
Power (1) R
Internal electronic
Max. 500 m / 1,640.42 ft
control board
Figure 2. 1 FJ-RC-MBS-1 connection diagram
Remote Controller
R W B
URL
Email
Phone
User's Manual r1.9 EN
53 mm / 2.1"
B W R
AC Unit
IntesisBox ®
90 mm / 3.5"
FJ-RC-MBS-1
EIA485
A+ B-
MODBUS RTU
EIA-485
Bus
For wall mounting
extract the upper
and down staples
53 mm / 2.1"
until you hear the
"click".
B W R
AC Unit
IntesisBox ®
90 mm / 3.5"
FJ-RC-MBS-1
EIA485
A+ B-
MODBUS RTU
EIA-485
Bus
http://www.intesisbox.com
info@intesisbox.com
+34 938047134
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