3
Operating manual
TROX air terminal units
Type VFC volume flow controllers
VFC
For technical and acoustic data on VFC series volume
flow controllers, refer to the control units catalogue.
1
Adjustment scale
Volume flow rate characteristic
Rotary knob
Actuator, volume flow rate is set on potentiometers
Actuator, volume flow rate is set with mechanical
stops
E01 ... E03
M01 ... M02
•
For constant air flow rate
•
Volume flow rate is set on site using the rotary knob
• Factory setting 5
Actuator E01, E02, E03
•
For variable airflow rate or
min
-
max
switching
•
Volume flow rate is set on potentiometers
•
Shut-off down to leakage airflow is possible (setting 0)
• Height of the actuator 85 mm
•
Factory settings:
min
= 4
max
= 8
Actuator M01, M02
• For
min
-
max
switching
•
Volume flow rate is set using mechanical stops
•
Shut-off down to leakage airflow is possible (setting 0)
•
Flat design, height of the actuator 35 mm
min
-
max
switching, actuator with mechanical
stops
Variable volume flow rate, actuator with
potentiometers
Constant volume flow rate
Product description
1
1
2
1
2
2
3
4
5
5
4
2
3
