60
WORD name
range
remark
2
indoor
unit 1 fan
speed
air conditioning/HRV with coil:
1
‐
low speed
2
‐
mid speed
3
‐
high speed
4
‐
auto speed
HRV1/HRV2/Fresh air unit:
1 - low speed
2 - low air change
3 - mid speed
4 - high speed
5 - high air change
6 - auto speed
Returns to 0x7FFF if the corresponding indoor
unit does not exist.
Read operation to get the current fan speed:
The write operation changes the fan speed and
writes to the mode that is not supported by the
corresponding model.
3
indoor
unit 1
control
mode
1. no central
2. LIFO(last in first out)
3. central
4 LOCK
Returns to 0x7FFF if the corresponding indoor unit
does not exist.
The air conditioner read operation acquires the
current operation mode and the write operation
changes the operation mode.
There is no centralized lock during full heat,
the read operation returns to 0, and the write
operation is invalid.
……
252
indoor
unit 64
set temp.
16 - 30
Returns to 0x7FFF if the corresponding indoor unit
does not exist.
Unit 1 °C
The air conditioner read operation acquires the
current operation mode and the write operation
changes the operation mode.
There is no set temperature for HRV1/HRV2/
Fresh air unit, the read operation returns to 0 and
the write operation is invalid.
Wiring diagram and Installation