Subject to EAR, ECCN EAR99 and related export control restrictions. 02250236-267 R02
2. Changing the Pressure Settings
The control pressure can be changed with the
switches shown below on the control panel.
An energy saving operation can be performed to
lower wasted energy by lowering the maximum (stop)
pressure. The normal pressure settings of the air
compressor are shown in the figure to the right.
Under the Muti-Drive control mode, the delivery
pressure is to be above the “recovery pressure +
12/15psig”, and will not reach the maximum setting
pressure normally. Under Multi-Drive control mode,
more energy savings is possible by lowering the
recovery pressure.
■ Procedure for changing the control pressure setting
Press the "Stop" switch, and drop the pressure in the air receiver to 70psig (4.8 bar) and below (it is
impossible to change the control pressure setting if the pressure in the air receiver is 71psig (4.9 bar
and above). Once the pressure in the air receiver is 70psig (4.8 bar) and below the control pressure
setting can be changed by following the procedure below.
15
Operation (continued)
Pressure Setting
122PSIG Model 145PSIG Model
Maximum (Stop)
Pressure [psig (bar)]
122 (8.4) 145 (10.0)
Recovery (Start)
Pressure [psig (bar)]
110 (7.6) 115 (7.9)
Digital Display
Steps
5 & 6
Steps
2, 3 & 4
Steps
2 & 4
Steps Digital display
1
Verify that the pressure is indicated on the digital display.
2
Press the stop switch and then press the start switch and hold both buttons for 5
seconds to change the digital display to PC.
3
To change the maximum (stop) pressure, press the start switch. The digital display
changes to H122 (indicating what the digital display will be for the pressure settings from
the factory).
4
Pressing the stop switch will lower the maximum pressure setting by 1 PSIG.
Pressing the start switch will raise the maximum pressure setting by 1 PSIG.
5
After the change in pressure setting has been set, press the Screen Shift switch
and the digital display will change to PC.
6
Pressing the Screen Shift switch again will change the digital display to the pressure
display.
To change the recovery (start) pressure, press the stop switch in step 3 above to change the
digital display to L110 (this is an example of what the digital display will be for the pressure
settings from the factory) and then change the pressure settings as shown in steps 4 and
later.
EX. 122PSIG Model
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