
57
2. Coil--Query function code: 0x01 Control function code: 0x05/0x0F
BIT
name
meaning
reamark
0
indoor unit 1 on off
0- off
1- on
Read operation to get the current indoor unit on and off status
Write operation changes while the indoor unit is in on and off
state
1
indoor unit 2 on off
0-off
1-on
Read operation to get the current indoor unit on and off status
Write operation changes while the indoor unit is in on and off
state
2
indoor unit 3 on off
0- off
1- on
Read operation to get the current indoor unit on and off status
Write operation changes while the indoor unit is in on and off
state
3
indoor unit 4 on off
0- off
1- on
Read operation to get the current indoor unit on and off status
Write operation changes while the indoor unit is in on and off
state
……
62
indoor unit 63 on off
0- off
1- on
Read operation to get the current indoor unit on and off status
Write operation changes while the indoor unit is in on and off
state
63
indoor unit 64 on off
0- off
1- on
Read operation to get the current indoor unit on and off status
Write operation changes while the indoor unit is in on and off
state
3. Input Register:0x04 Input register (Input Register) query function code: 0x04
WORD
name
range
remark
0
indoor unit 1
ambient temp.
‐
30
‐‐
60
Unit 1 °C,HRV1/HRV2/Fresh air unit model
without set temperature, will return to 0x7FFF
1
indoor unit 1
error code
0
‐
256
value of 0 means no error
2
indoor unit 1 HP
0.1HP
This parameter is currently not supported and
will return to 0x7FFF
3
indoor unit 2
ambient temp.
‐
30
‐‐
60
Unit 1 °C, HRV1/HRV2/Fresh air unit model
without set temperature, will return to 0x7FFF
Wiring diagram and Installation
English