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© 2011 Emerson Climate Technologies
Printed in the U.S.A.
AE5-1377 R2
Application Engineering
BULLETIN
Temperature Sensors
MCU
Current Transformers
3-Phase Detect
Module
3-Phase Power
Supply Input
Compressor Type
Setting Rotary-Switch
High Pressure
Switch Connector
Defrost Module
Connector
EXV Driver
Diagnosis Module
Connector
1-Phase Power
Supply Input
Switch Mode
Power Supply
Compressor Current Sensing
(Hi/Lo) Setting Dip-Switch
High Voltage
Outputs
Mode Setting
Dip-Switch
Figure 3 – Power Board / Control Board
Short Cycle
Protection Option
*See Note
* Note: Short Cycle Protection Option
a) Factory Jumper Installed Three Minute Time Delay
b) Remove Jumper Twenty Second Time Delay