OUTDOOR UNIT CONTROLS & COMPONENTS
PAGE 13
ENGLISH
DIP Switch
 
DIP Switch Settings
 
The outdoor unit PCB board DIP switches are used to control 
defrost cycle settings.   The DIP switches are factory set for 
Demand Defrost (BM2-1 ON, BM2-2 ON).  The DIP switch 
settings may be adjusted as follow: 
BM2-1 BM2-2 Description - (Defrost is generally every 45 minutes)
OFF OFF Demand defrost for cold climate (default)
ON OFF
Time defrost at lower frequency 
(10 Hz lower than the regular defrost)
OFF ON
Time defrost at higher frequency 
(10 Hz higher than the regular defrost)
ON ON Demand defrost for moderate climate