When the pressure setting has been changed after shipment from Daikin
peripheral devices such as pressure gauges, it is advisable to set
[Safety Valve Adjustment Instructions]
1.
Referring to the enlarged view of the safety valve on the next page, loosen the lock nut.
Lock nut: M10, width across flats of 14 mm
2.
In accordance with the guidance diagram for the length of the pressure adjusting screw,
bring the screw to about the length corresponding to the desired control pressure.
The tip of the adjusting screw has four faces, with width across flats of 7 mm.
3.
Turn on the power to the hydraulic unit, establish the setting mode by panel key
operation, and adjust the pressure setting to the desired pressure.
4.
Press the mode key
on the operation panel to switch the display mode to the monitor
mode.
5.
Press the setting keys
and
with the [n00] displayed to select [n05] (motor speed
indication) to display the current motor speed.
6.
Select [n05] (motor rotation speed indication) in the monitor mode by panel key
operation to display the current motor rotation speed.
7.
Adjust the pressure adjusting screw length in the longitudinal direction and find the
actuation start point shown in the figure below.
8.
Turn the pressure adjusting screw clockwise three fourths of a turn from the actuation
start point.
9.
Tighten the lock nut to complete the adjustment.
When tightening the lock nut, take care that the
adjusting screw does not turn.
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
15
19
17
16
18
20
21
22
23
24
Pressure adjustment screw length
Lock nut
Pressure adjustment screw length (mm)
Pressure adjustment screw length
Actuation start point