Danfoss PCV-VFQ 21, Инструкция по эксплуатации

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1
Turning
to the left:
reduces
damping Turning
to the right:
increases
damping
12 VI.JA.G2.02
© Danfoss 11/2006 DH-SMT/SI
Instructions Pilot-controlled PCVQ DN 100 - DN 250 (PN 16, PN 25)
7.8 Sealing
The setpoint adjuster may be sealed.
7.9 Adjustment of the Throttle Valves
Number of throttle valves:
DN 100, 125: 1 ×
DN 150-250 : 2 ×
• Unscrew cover 1 .
• Standard adjustment :
Turn in the valve spindle by turning it to the
right by means of a wrench SW5 to its stop.
Then unscrew valve spindle by turning it to
the left by approx. 10 rotations.
• Increase of damping , e.g. necessary in case
of pressure vibrations.
Screw in the valve spindle by turning it to the
right.
•
Reduction of damping , e.g. in case of a
control that is too slug.
Unscrew the valve spindle by turning it to the
left.
7.10 Function Test
Flow rate
The adjusted flow rate must not be exceeded if
the system is completely open.
If the setting is exceeded in either direction,
check the adjustment as described in section 7.5.
7 Start-up