Carrier PC211 Check Rotation

2. Look at the default screen on the LID: the Status message in the upper left-hand corner will
show a ‘‘Manually Stopp ed’’ message. Press CCN or Loc a l to start. If not, go to the
Schedule screen and override the schedu le or change the occupie d time. Press the LOCAL
softkey to begi n the start-u p sequences.
3. Check that ch illed water and condenser water pumps energize.
4. Check that the oil pump starts and pressurizes the lubrication system. After the oil pump
has run about 11 seconds , the starter will be energiz ed and go through its start- up
sequence.
5. Check the main contactor for proper operation.
6. The PIC will eventuall y show an alarm for motor amps not sensed. Reset this alar m and
continue with the ini ti al start-up.
Check Rotation
1. Engage the main mot or disconnect on the f ront of the starter p anel. The motor is now ready
for rotation check.
2. After the default screen Status message states ‘‘Ready for Start’’ press the LOCAL softkey;
start-up checks will be made by the control.
3. When the starter is ener gi zed and the motor begins t o tu rn. Check for clockwise r ot ation
(Figure 34).
If Rotation Is Proper, allow the compressor to come up to speed.