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■ Address setting (SW3 and SW4: When SW1.1 is set as the master unit, the modbus equipment
address corresponding to the master unit shall add 1; when SW1.1 is set as the slave unit, it has
the address of the slave unit. The range is 0~ 14).
■ Control (Communication) Wire Connection.
Address
of
outdoor
unit
SW3
SW4
Address
of
outdoor
unit
SW3
SW4
Address
of
outdoor
unit
SW3
SW4
Address
of
outdoor
unit
SW3
SW4
0#
0
0
8#
0
8
16#
1
6
24#
2
4
1#
0
1
9#
0
9
17#
1
7
25#
2
5
2#
0
2
10#
1
0
18#
1
8
26#
2
6
3#
0
3
11#
1
1
19#
1
9
27#
2
7
4#
0
4
12#
1
2
20#
2
0
28#
2
8
5#
0
5
13#
1
3
21#
2
1
29#
2
9
6#
0
6
14#
1
4
22#
2
2
30#
3
0
7#
0
7
15#
1
5
23#
2
3
31#
3
1
Note:
Address numbers must be unique in the same system.
The unit can only be powered on and commissioned after the address numbers are configured.
The inner side of the control box cover of the unit is attached with an electrical wiring diagram of the
unit, which provides detailed description for DIP settings. Please keep it properly.
AC:220V~50Hz
Bin
Ain
Bpc
Apc
Bin
Ain
Bpc
Apc
Bpc
Apc
Bin
Ain
Bpc
Apc
Bin
Ain
Master
0# Slave
13# Slave
14# Slave
Wired controller
Power
adapter
A) conductor (WTC pair with cross section area of at
least 0.5mm2 or 20AWG); B) insulator; C) Screen
layer (twisted WTC with a screening factor no less
than 95%) ; D) Outer jacket (PVC);
Note:
Better choose network cables with a tenser
shielding layer and smaller twisting distance.
Please refer to the UL2547 or UL2791 wire
specification.
The control wire must not be longer than 1000
meters.
The control wire must be at least 20cm away
from major current wire.
lllustration of shielded twisted pair
A) conductor (WTC pair with cross section area
of at least 0.5mm
2
or 20AWG); B) insulator;
C) Screen layer (twisted WTC with a screening
factor no less than 95%); D) Outer jacket (PVC);
Note:
Better choose network cables with a tenser
shielding layer and smaller twisting distance.
Please refer to the UL2547 or UL2791 wire
specification.
The control wire must not be longer than
1000 meters.
The control wire must be at least 20cm away
from major current wire.
