Emergency Manual Override; Mounting On Valve - VALPES VRX Manual De Instalación Y Funcionamiento

Manual override
The priority functioning mode of this actuator is electric. Be sure than the power supply is switched off
before using the manual override.
VRX models
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1. Turn the knob to position MAN (counter-clockwise) and hold it in position.
2. Turn the outgoing drive shaft of the actuator with the help of an adjusting spanner.
3. In order to re-engage the reduction, release the knob (spring return).
VSX models
No declutching is required, the hand wheel has simply to be turned (appendix p.31 mark 10).
Do not dismantle the mechanical stops.

Mounting on valve

The actuator is set to its closed position in our factory.
Do not mount the actuator « upside down ».
Do not mount the actuator less than 30 cm from an electromagnetic disturbance source.
VRX :
Possible fixations : F05 (4xM6 with Ø50) and F07 (4xM8 with Ø70), star 17, depth 19mm.
Necessary height above the valve for the mounting of the actuator : H=300mm.
VSX :
Possible fixations : F07 (4xM8 with Ø70) and F10 (4xM8 with Ø102), star 22, depth 25mm.
Necessary height above the valve for the mounting of the actuator : H=360mm.
Mounting and dismantling of the cover
For the wiring and setting of the actuator, it is necessary to remove the cover.
Mounting of the cover (appendix p.31 mark 2) : make sure that the seal ring (appendix p.31 mark 7) is correctly
placed in its position, grease of the flame path (Molydal 3790 grease or equivalent), mount the cover and tighten the 4 screws
M6 (appendix p.31 mark 3, torque : max. 6Nm).
In case of loss and replacement of the screws, see the table p.56-57 for the specifications.
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DSBA3401
EN
Rév. 08/08/2020
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