G2030-II-S
Apr ‘19
- 22
Current
Sensors
‘CSC300’ Controller (cont’d)
Advanced Phase Detection
Advanced Phase Detection feature of the CSC300 controller is utilized in fixed speed units. It measures the
phase sequence of the incoming power to prevent motor from rotating in the wrong direction. If the following
error is visible on the Screen and the Unit will not start, simply switch power leads L1 and L3.
E:0090 Phase Sequence
Note: If the Motor is replaced, Motor Rotation must be visually verified.
Advanced Motor Protection
Current Sensors are used to provide Under Current Detection, Rotor Lock Overload, Phase Imbalance, and Motor
Overload protection to fixed speed compressors. Combined, CSC300 offers protection equivalent to Trip Class
10A for the main motor.
Current carrying cable through these Current Sensors may be looped up to 2 times to provide greater accuracy.
Please consult factory if the motor is to be replaced.
Irreparable damage will occur to
the Air End if the rotation is
incorrect.
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