When two wired controllers control
one indoor unit (or several indoor
units), the addresses of the two wired
controllers should be different.
Assistant wired controller (02) is
without unit parameter setting
function except setting its address.
5 levels: 03, 04, 05, 06, 07
9 levels: 01, 02, 03, 04, 05, 06, 07,
08, 09
Wired controller can be adapted
to the different types of indoor units
that it possesses 1-9 level selection
for setting static pressure. When the
indoor unit with 5 static pressure
levels received the level setting sent
by wired controller is less than 3, it
will be settled as the 3rd level; if it is
over 7, it will be settled as the 7th
level.