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OPERATING INSTRUCTIONS – ELECTRO–PNEUMATIC
22
SSR UP6 40, SSR UP6 50PE, SSR UP6 50PEI, HF50–PE,
EP50–PE, HP50–PE, HXP50–PE
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. EMERGENCY STOP
When depressed will stop the compressor immediately. The ’Power
on’ indicator will remain illuminated. The emergency stop button must
be released before the compressor can be restarted.
4. START/STOP
When switched to the ON position 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 run unloaded before stopping automatically.
When switched to the OFF position, will unload and stop the unit if
it is running. If the unit is in auto restart it will prevent the unit from
re–starting when there is a demand for air.
5. POWER ON (Green)
Indicates the presence of control voltage at the controller.
6. AUTO RESTART (White)
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. FAULT / HIGH AIR TEMPERATURE ALARM (Red)
Turn off electrical Isolator or disconnect. Investigate cause of fault.
8. RESET BUTTON
Press button to reset the control system following compressor trip.
9. DEW POINT INDICATOR (Dryer Option)
Green indicates good dew point. Red indicates dew point above
65_F (18_C) and blue indicates freezing.
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 main 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. Push the RESET button (8). The fault indicator (7) will extinguish.
Switch the ON/OFF switch (4) to the ON position. The compressor will
start and then load automatically.
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