Friedrich FPHMR18A3A Service Manual page 64

Field Settings (Outdoor units)
DIP Settings
Mark of " " indicates the position of dip switches.
Switch is valid when is ON.
By default se tting is OFF.
OFF ----normal mode
ON ----refrigerant collection mode
When the power is ON, the dial changed from OFF to ON, enters into refrigerant collection mode.
During refrigerant recovery mode , system low pressure protect will not occurs, and compressor
will stops after 5 minutes, and will turn to normal state when power on again.
Manual defrost function
By default setting is OFF.
OFF ----normal mode
ON----defrost mode
When the dial changed from OFF to ON, enters into defrost mode, and only valid once.
64
INSTALLATION
Dip Switch Setting of Outdoor Unit
function