© 2017 Emerson Climate Technologies, Inc.
Table 7 - Main Control Board Settings
Control Board
Default Setting
Bit1: To set evaporator fan control mode
"OFF": Evaporator Fan On/Off Logic Same As
Compressor
"ON": Evaporator fan will be ON all the time no matter
whether compressor is ON/OFF or defrosting
Bit2: To set defrost mode
"OFF": default setting, using Emerson defrost module
"ON": Using Customer defrost module
Bit3: Not Used Yet
Control Board
Default Setting
Bit1: To set evaporator fan control mode
"OFF": Evaporator Fan On/Off Logic Same As
Compressor
"ON": Evaporator fan will be ON all the time no matter
whether compressor is ON/OFF or defrosting
Bit2: To set defrost mode
"OFF": default setting, using Emerson defrost module
"ON": Using Customer defrost module
Bit3: Not Used Yet
**Please set the switches to the correct position according to compressor model.