31
4. Belt should have no more than 1/2”/12mm deflection
measured near the middle of the belts. (See Fig. 12.24)
5. Tighten the Locking Bolts.
ATTENTION:
AFTER BELT ADJUSTMENT OR REPLACEMENT,
RUN THE COMPRESSOR FOR FIVE MINUTES. THEN
STOP THE COMPRESSOR AND READJUST IF
NECESSARY. RUN THE COMPRESSOR FOR TEN
MINUTES AND THEN STOP COMPRESSOR AND
RECHECK AND ADJUST IF NECESSARY.
NOTE:
When replacing worn or damage drive belt, ALWAYS
replace the entire group of belts at the same time.
1. Follow the procedure described above and loosen
Drive Belt tension enough to remove and replace.
2. Align and Adjust as described before.
AIR EXHAUST OVERHEAT PROTECTION
When the air exhaust temperature is higher that the set
limited unload temperature, the controller will sound an
alarm and stop the machine. Local Failure will display “Air
Exhaust High Temperature”.
REVERSE RUNNING PROTECTION OF THE AIR
COMPRESSOR:
If the Phases of the incoming power are reversed, the
Local Failure will display “wrong phase sequence”. The
controller will not allow the motor to startup under this
condition. Check and reverse the incoming power legs.
OVER PRESSURE PROTECTION:
When the pressure of the air exhaust is higher than the
set stop pressure of the controller, the controller will
sound an alarm and stop the machine; the Local Failure
displays “Pressure too High”.
SENSOR FAILURE PROTECTION
:
If the Pressure Sensor or the Temperature Sensor
Cable is broken, the controller will sound an alarm and
stop the machine: the local failure displays “xxx sensor
failure”.
INTERLOCK PROTECTIONS:
The Host is running and the air exhaust temperature
reaches the fan starting temperature but the Fan does not
run, the controller alarm will sound, and the Local Failure
displays ”Fan is stopped”.
ALARMS AND NOTICES
Text Display Tips
1. Air Filter Alarm tips
Check the alarm using the switch signal.
The Controller will display a message on
the text display to remind the operator that
“air filter is blocked” by checking the pressure
difference switch operation state.
Set the running time alarm of the air filter.
The Text displays “Air filter life terminated” when
the usable life of the filter terminates.
2. Oil Filter alarm tips.
Check the alarm using the switch signal.
The controller will display a message on
the text display to remind the operator that “the
oil filter is blocked” by checking the pressure
difference switch operating state.
3. Oil Separator alarm tips
Check the alarm using the switch signal
The controller will display a message
on the text display to remind the operator
that “the oil separator is blocked” by checking
the pressure difference switch operating gate.
Set the running time alarm of the oil separator
The Text displays “Oil separator life
terminated” when the usable life of the oil
separator terminates.
4. Lubricate Oil Alarm tips
The Test displays “Lubricate Oil life terminated”
when the usable life of the lubricating oil ends.
5. Lubricate Grease alarm tips
Text says “Lubrication Grease life terminated”
when the usable life of the lubricating grease
terminates.
Fig. 12.24
Max. 1/2” (12mm) Deflection
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