6 | © Danfoss | Energy Meters | 2018.01
VUIGB802
Installation & User Guide
SonoSelect and SonoSafe
2.5 Mounting of O-ring and temperature sensor
One temperature sensor is factory mounted in the flow sensor. The other must be mounted in the
opposite pipe relative to the flow sensor installation. Mounting pin available as accessory.
1.
Mount O-ring on
pin.
2.
Insert pin with
O-ring.
3.
Position O-ring.
4.
Remove pin.
5.
Moist and insert sensor
probe. Tighten at torque
12 ± 2 Nm.
To ensure accuracy and a tight seal the sensor installation should comply to EN1434-2 annex A:
Key
Threaded
connection size A
Tapping bore
size B
G½
18.5 mm
G¾
24 mm
G1
30.5 mm
G1¼
39mm
Note:
• Tolerance on machined dimensions = ± 0.5 mm.
• Pipe fittings for use with probe type DS (Direct Short).
: provision for security sealing.
