28
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
Note that in the AUTO mode, the speed of the fan will be shown by illuminating the number of bars in the speed triangle.
Speed Selection
1
2
3
4
AUTO
Continuous
"On" "
On"
"On" "
On"
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
lowest available speed.
Fan
AUTO
Turns
On or
Off with
heat or
cool
demand
Turns
On or
Off with
heat or
cool
demand
Turns
On or
Off with
heat or
cool
demand
Turns
On or
Off with
heat or
cool
demand
AUTO operation turns On or
Off with heat or cool demand
Uses cool set point or heat
set point vs. ambient
temperature
Mode
Fan Only
"On" "
On"
"On" "
On"
Disabled
Table
Fan ICON Detail
The system may have a 3 or 4 speed fan. The Fan Speed ICON will Display as per the table below.
Fan Relay Operation
U
si
ng t
he
Fr
ont
P
an
el
