page 45 of 91 USB-QFLCII-14804/0
Min. distance = inspection lid range
Plant ceiling
A
i
r
f
l
Air flow
Required straight
ductwork
Total length (stretched length) of
the ductwork
Electrical connection
All inlet isolation sensors and the locking mechanism are connected to a
ter
minal box attached to the inlet isolation device. Connect the sensors and
locking mechanism to the control system. Please find the position of the
connections in Section 6.4
Terminal box wiring diagram .
Terminal box