Hisense HCPC-H2M1C Installation Instructions Manual page 9

1 System Constitution
1.3 Name of Parts in the Modbus Adapter
See the state of removed top panel in Figure 1.4. See the name and functions in below figure.
Screw hole to fix on the wall （× 4 ） ,
remove the rubber feet,Use M3
screw to fix
LED light post （ × 6 ）
Tacting switch （ × 4 ）
（ SW6 、 SW5 、 SW8 、 SW7 ）
Slide switch （× 2 ）
（ SW11 、 SW9 ）
Reset switch （ × 1 ）
Press （ SW4 ） to reset the product
Stud to fix main and slave base plate
The default slide switch setting state shown in Figure 1.5
SW12
1 2 3 4
SW11
1 2 3 4
SW3
1 2 3 4
SW9
1 2 3 4
ON
DSW3
OFF
1 2
ON
DSW2
OFF
1 2
LED9 LED8
SW6 SW5 SW8 SW7
SW11 SW9
Figure 1.4 Name of parts in the Modbus adapter
ON
MCU operation mode setting cannot change at any time.
OFF
5 6 7 8
When pin 1 is ON, refers to enable output 1, when pin 2 is ON, refers to enable output 2.
ON
OFF
When Pin 3 is ON, it shows the system is connected with single board constant speed machine.
5 6 7 8
ON
Indicate to activate the hardware of RS-485 loop.
OFF
5 6 7 8
ON
Reserve.
OFF
5 6 7 8
When Pin 1 is ON, connect 75Ωterminal resistance in the H-NET communication bus.
When Pin 2 is ON, connect 120Ω RS-485 terminal resistance in the communication bus.
Figure 1.5 The default setting state of code switch
DSW2
LED7 SEG1 SEG2 LED10
SW4
SW12
- 7 -
DSW3
LED5 LED6
SW3
Slide switch for air conditioner circuit
setting terminal resistance （ × 1 ）
（ DSW3 ）
Slide switch for Air conditioner RS-485
circuit setting terminal resistance
（ × 1 DSW2 on the slave base plate)
7 segment digital tube LED ， display
（ SEG1 、 SEG2 ）
MCU
Slide switch for MCU operation mode
and RS-485 circuit （ × 2 ）
（ SW12 、 SW3 ）
Screw to fix top cover （ × 4 ）