Ingersoll-Rand SSR UP5-4 Operation And Maintenance Manual page 25

1. PRESSURE GAUGE
Indicates the system pressure.
WARNING
DO NOT operate the compressor at discharge pressures
exceeding the maximum operating pressure.
2. HOURMETER
Records the total running time of the compressor.
3. STOP BUTTON / E–STOP
When depressed will stop the compressor immediately. The
'Power on' indicator will remain illuminated. The STOP button must
be released before the compressor can be restarted.
4. ON PUSH BUTTON SWITCH
When depressed will cause the unit to start and run in a loaded
condition if there is a demand for air. If there is no demand, the machine
will stop automatically.
5. POWER ON INDICATOR LIGHT (Green)
Indicates the presence of control voltage.
6. STOPPED/AUTO RESTART INDICATOR LIGHT (Amber)
Will illuminate when the machine has shut-down due to low air
demand. The machine will restart and load automatically as soon as
the demand for air returns.
7. DEW POINT INDICATOR (Dryer Option)
Green indicates good dew point. Red indicates dew point above
50_F (10_C) Blue indicates freezing.
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OPERATING INSTRUCTIONS
PRIOR TO STARTING
1. Make visual check of the machine, ensure that all guards secure
and that nothing is obstructing the proper ventilation of, or free access
to the machine.
2. Check coolant level. Add if necessary.
3. Make sure air discharge valve is open.
4. Turn on electrical isolator or disconnect. The Power on (5) indicator
will light, indicating that line and control voltages are available.
5. Check direction of rotation at initial start or following interruption in
power supply.
WARNING
Make sure that all protective covers are in place.
Cooling air flow exhaust may contain flying debris. Safety
protection should be worn at all times to avoid injury.
STARTING
1. Press the START button. The compressor will start and then load
automatically.
NORMAL/EMERGENCY STOPPING
1. Press STOP button (3) and the compressor will stop immediately.
2. Turn off electrical isolator or disconnect.
CAUTION
After shutdown never allow unit to stand idle with pressure in
receiver/separator system.
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