OTT Flo-Dar Manual Del Usuario página 19

Figure 13 Vertical alignment of the sensor
1 Spacer
Align the sensor vertically – Flo-Dar with SVS
The sensor must be aligned vertically to make sure that the sensor is
above the flow under normal full flow conditions and that the SVS is
activated under surcharge conditions.
Item to collect: Ruler or tape measure
1. Measure directly above the crown of the pipe to the top of the frame.
Refer to Figure 11 on page 14.
2. If the pipe lip is longer than 140 mm (5.5 in.), install the 12-inch
spacer between the wall mount bracket and the frame. Refer to
Figure 14.
16 English
All manuals and user guides at all-guides.com
2 Distance from interior crown of pipe
to top of frame
3. Loosen the clamp on the wall mount bracket and put the top of the
frame above the crown of the pipe at the specified distance:
• 152.4 mm (6 in.) for a pipe diameter that is less than 610 mm
(24 in.)
• 127 mm (5 in.) for a pipe diameter that is equal to or larger than
610 mm (24 in.)
4. Tighten the clamp and measure the frame position again to make
sure that it is at the correct position.
Figure 14 Vertical alignment of the sensor with SVS
1 Spacer
2 Distance from interior crown of pipe
to top of frame
3 SVS sensor (optional)