Friedrich KUHL R-410A Service Manual page 29

Fan Operation (Front Panel Mode)
Heat – Cool – Auto – Fan Only
Models starting with SS, SM have 4 speeds. Models with SL, and all Kuhl+ have 3 speeds
Continuous
Fan
AUTO
Mode Fan Only
Fan ICON Detail
The system may have a 3 or 4 speed fan. The Fan Speed ICON will Display as per the table below.
Note that in the AUTO mode, the speed of the fan will be shown by illuminating the number of bars in the speed triangle.
Fan Mapping
28
Speed Selection
1 2
"On" " On" "On" "
Turns Turns Turns
On or On or On or
Off with Off with Off with
heat or heat or heat or
cool cool cool
demand demand demand
"On" " On" "On" "
Table
3 4
AUTO Operation, but never
turns Off. Uses cool set point
or heat set point vs. ambient
temperature. When there is
no demand, operate at the
On" lowest available speed.
Turns
On or AUTO operation turns On or
Off with Off with heat or cool demand
heat or Uses cool set point or heat
cool set point vs. ambient
demand temperature
On"
AUTO
Disabled