
Operation
Starting & Stopping
Plug the compressor into an outlet socket of nominal voltage.
All models other than HTS5
Switch the compressor on using the red button on top of the pressure switch.
The compressor will start running and automatically switch off at the preset pressure.
HTS5
Switch the compressor on by turning the red off/auto switch on the front of the case to
auto.
As air is used the pressure drops and the motor will restart at the preset pressure.
Approx 2 Bar differential.
Note!
Each time the compressor switches off, you will hear a short hiss of air. You are
hearing the unloader valve discharging the residual delivery pipe pressure.
This is normal.
Adjusting Outlet Pressure
Use the pressure regulator to adjust the outlet pressure.
To increase line pressure, rotate the black knob [red on HT3 and HTS5] in a clockwise
direction; to decrease turn anti clockwise. On some models it is possible to lock the
setting by pushing the knob down until it “clicks” home.
On some models there are two pressure gauges.
The larger gauge indicates the air receiver pressure, the smaller gauge indicates the
air outlet pressure.
The pressure gauge on the HT3 and HTS5 indicates the air outlet pressure.
NOTE!
NEVER unplug the compressor when running. Always switch off using the red
button on the pressure switch or case to ensure the compressor discharges.
Failure to do so will cause damage and will invalidate your warranty.
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