Caution!
The permanent magnet on the switch bar is fragile.
Damage to the permanent magnet.
► Protect the permanent magnet against impact stress.
Warning!
Spring tension in the valve
Danger of injury when detaching the clamp connection (43.1, 46) as the
released spring pretension will suddenly lift the actuator.
► Therefore, release the spring tension before detaching the clamp
connections by pressurizing the actuator with compressed air at max. 8 bar.
Carry out the following steps:
1.
Release three cheese head screws (25) and take off the cap (B1).
2.
Depressurise the actuator by deactivating the solenoid valve Y1 at the manual
operation element S.
®
The valve disc should be lifted.
3.
Remove the clamp connection (43.1).
4.
Depressurise the actuator by deactivating the solenoid valve (Y1).
5.
Using a size 3 hex. key release the two screws (B11) and remove the semi-
annular clamps (B12).
6.
Pull off the control top (B1) upwards.
®
Light-emitting diode A (green) will go out and light-emitting diode B will
flash yellow.
®
Done
10.5.3 Removing the T.VIS A-15 Control Top
For disassembly of the valve with the T.VIS A-15 Control top, see the service
instructions of the control top T.VIS A-15.
10.5.4 Disconnecting the Valve from the Housing
Maintenance
Disassembling the Valve
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24.10.2017
Summary of Contents for VARIVENT Y
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