Burkert 3320 Manuel D'utilisation page 18

WARNING!
Risk of crushing by mechanically powered parts.
▶ Switch off the supply voltage.
▶ For devices with SAFEPOS energy-packs: Ensure that the
SAFEPOS energy-pack is fully discharged. Wait until the
LED ring is no longer lit and ensure that the LED status is not
in "LED off" mode.
▶ Do not reach into the openings of the valve body.
7.3.2 Disassemble actuator
→ Clamp valve body into a holding device.
→ Place on the body connection with a suitable open-end
wrench.
Do not use any tools for unscrewing, which could damage
the body connection (e.g. pipe wrench).
→ Unscrew actuator from the valve body.
18
Mechanical position
Valve position
The valve must not be
closed when the actuator
Fig. 6: Installation of electromotive actuator (example angle seat valve)
7.3.3
Installation position: arbitrary
Flow direction: indicated on the type label with an arrow and the
digits 1 and 2. The 1 and 2 are also on then valve body for iden-
tification.
The flow direction is under the seat.
English
Type 3320, 3321
Installing the valve
indicator
open
closed
is unscrewed.
Mounting conditions
Actuator
Body
connection
Valve body