1
Operating manual
TROX air terminal units
Type VFC volume ow controllers
VFC
VFC series volume ow controllers
Subject to change · All rights reserved © TROX GmbH (10/2018) · Publication no. M/VFC/EN/3
General information ________________________ 2
Correct use __________________________________2
Safety notes
__________________________________2
Area of application _________________________ 2
Operating modes ______________________________2
Product description ________________________ 3
Installation ________________________________ 4
Commissioning and wiring __________________ 5
Constant volume ow rate operation _______________5
Variable volume ow rate operation, actuator
with potentiometers
____________________________6
min - max switching wiring
_____________________7
Variable volume ow rate wiring
___________________ 7
min - max switching operation, actuator
with mechanical stops
__________________________8
min - max switching wiring
_____________________9
min - max switching setting
___________________10
Retrotting an actuator _____________________11
Variable volume ow rate expansion set ___________11
min - max switching expansion set
_____________12
1) Actuators for CAV controllers according to order code
VFC series volume ow controllers Expansion set
Code
1)
Function
Actuator TROX part no.
Code
TROX
part no.
untill 4/2018 from 5/2018
- Constant volume ow rate - - - -
E01 24 V,
min
-
max
switching, potentiometer M466EP6 A00000038358 E01 NR-VAV-E01
E02 230 VAC, min- max switching, potentiometer M466EP8 A00000038359 E02 NR-VAV-E02
E03
24 V AC/DC, variable volume ow, potentiometer,
control signal 0 to 10 V DC
M466EP7 A00000038360 E03 NR-VAV-E03
M01 24 V,
min
-
max
switching, mechanical stops M466EP4 M466EP4 M01 NR-VAV-M01
M02 230 VAC,
min
-
max
switching, mechanical stops M466EP5 M466EP4 M02 NR-VAV-M02