Installation Of The Control Head On Process Valves Of Series 21Xx - Burkert 8695 Series Quick Start Manual

Type 8695 REV.3
7.2 Installation of the control head on
process valves of series 21xx
ATTENTION!
When mounting on process valves with a welded connection,
follow the installation instructions in the operating instructions
for the process valve.
When the control head is being installed, the collets of the
pilot air ports must not be fitted to the actuator.
ATTENTION!
Damaged printed circuit board or malfunction.
▶ Ensure that the puck is situated flat on the guide rail.
→ Align the puck and the control head until
1. the puck can be inserted into the guide rail of the
control head (see "Fig. 6") and
2. t he connection pieces of the control head can be inserted
into the pilot air ports of the actuator (see also "Fig. 7").
Connection
pieces
Puck
Fig. 6: Aligning the puck
Installation
Guide rail
→ Push the control head, without turning it, onto the actuator
until no gap is visible on the form seal.
ATTENTION!
Too high torque when screwing in the fastening screw does
not ensure protection class IP65 / IP67.
▶ The fastening screws may be tightened to a maximum
torque of 1.5 Nm only.
→ Attach the control head to the actuator using the two side
fastening screws. In doing so, tighten the screws only hand-
tight (max. torque: 1.5 Nm).
Connection
pieces
Pilot air
ports
(actuator)
Fig. 7: Installation of control head, 21xx series
english
Fastening
screws
max. 1.5 Nm
13