Hisense YXE-A03U Technical & Service Manual page 106

4. Control BOX (B544(E))
3. Setting of DIP Switches
Please set DIP switches according to the actual conditions. Settings after power on will not take effect.
Methods for setting DIP switches:
Before setting, slide down the cover on the central control adaptor. After setting, reinstall the cover to
adaptor. As shown in Fig.3.
ON ON
OFF OFF
S1 S2
ON ON ON
OFF OFF OFF
S5
S6
Note: Symbol " " indicates the position of the DIP switch.
DIP
System Description
switch
Indoor unit
S1-1
setting
S1-2
(hardware)
Setting for
S1-3 terminal
resistor
Setting when
S1-4 fuse is fail to
work
Setting for
specific products
S4-1
Twin
Indoor unit
system
setting
S4-2
(software)
Slave indoor
S5 address/Number
of slave indoors
Note: 1. The slave indoor address must be incremented form1.
2. When the twin system is not used, set S4-2 and S5 off.
4. Securing the central control box
If necessary, use double-sided tape to secure the central control box onto the indoor unit after installation.
Fig. 3 Methods for setting DIP switches
ON
ON
OFF
OFF
S3 S4
S7
Setting method
00: Slave Indoor
11: Master Indoor
Be sure to set the position of
the switch on either end of the
central control system to "ON".
Set the position of the switch
to "ON" to restore the fuse.
Set the position of the
switch to "ON" when using
the following products：
HCWA21NEHH
HCWA22NEHH
0: Slave Indoor
1: Master Indoor
When the central control
adaptor is set as slave, S5 is
set as slave address, which
range is 1-15;
When the central control
adaptor is set as master, S5 is
set as slaves' number, which
range is 1- 15.
Sliding cover
DIP
System Description
switch
Setting for
S2-1
Setting when
S2-2 fuse is fail to
Setting of
S3
baud rate
Centralized
control
system
S4-3
selection
S4-4
Setting of
S6
BACnet/
S7
addresses
Note: 1. If the system is connected to C01T, the address should not be
greater than16.
2. When the centralized control system is not used, set S4-3, S4-4, S6 and
S7 off.
104
Setting method
Be sure to set the position of the
switch on either end of the
terminal
central control system to "ON".
resistor
Set the position of the switch to
"ON" to restore the fuse
work
00: 9600bps(by default). 01:
19200bps;
10: 38400bps.
00: Not connected to
centralized control syestem
Protocol
(default setting);
01: BACnet;
10: ModBus.
S6: for setting high
address(reserve);
S7: for setting low
addresses.
Range of addresses: 1~255.
ModBus
ON ON ON
...
OFF OFF OFF
S6 S7 S6
00000001 (address: 1) 11111111 (address: 255)
ON
OFF
S7