Hanshin Machinery GRH 3 series, Руководство пользователя

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37
During Operation
Check whether the oil level is between the
normal ranges. If insufficient, stop the
compressor, check whether the internal pressure
is ‘0’ bar and replenish the oil.
Check whether it operates under the specified
pressure.
While opening and closing the discharge-side
valve slightly, check whether it converts
between load and no-load operation, depending
on the pressure.
Completely open the ball valve and operate it.
Manual no-load operation function test
Press Manual No-Load button to check whether
it manually operates under no load. Press it
again to check whether it returns to the load
operation.
Auto start test
If pressing [START] button before the internal
pressure falls under 2.0 bar just after stop, it
displays [P1 PRESS HIGH]; if the internal
pressure falls under 2.0 bar, check whether it
automatically starts.
Stop
Press STOP button and it stops after 10-second
no-load operation.
Stop procedure
[STOP] button on No load operation
Discharging the internal pressure
Auto stop in
10 seconds.
If not using it for a long time, turn off the main power or
press Emergency Stop button to cut off the control power
Indication should be
between both limits.
GRH3 star-delta
User’s Manual
Before the internal pressure is discharged under 2.0 bar just after stop, press
[START] button. Then, [P1 PRESS HIGH] message is displayed. Please note that it
automatically starts if the internal pressure is lower than 2.0 bar.
Caution