Trox VFC series - Product Description

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