12
Operating manual
TROX air terminal units
Type VFC volume ow controllers
VFC, standard
construction
Mounting bracket
Coupling
Anti-twist facility
Rotary knob
Actuator
Subsequent installation of actuators
The VFC version with a rotary knob can be subsequently
equipped with an actuator. For this purpose, it is rst
necessary to remove the locking screw and move the rotary
knob to position 5.
Order code for expansion sets, see page 1
Locking screw
Coupling
Rotary knob
1
2
Perform the following steps to mount the actuator:
• Unscrew the locking screw and remove it
• Move the rotary knob to position 5
• Engage the coupling
• Engage the anti-twist facility on the mounting bracket
Mounting the actuator
min
-
max
switching expansion set
3
• Attach the actuator, it engages in the anti-twist facility
• See page 10 for setting the set ow rates
Actuator M01 ... M02
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