S4-34760_Venturi-Air Duct Kit
10
4188-971_issue 1_07/09_duct sensor kit
2.5 Adapt the Venturi tube length
The Venturi tube of the air duct kit has to be adapted to the diameter of the air duct system. Venturi tubes are
available in three different lengths which can then be cut - if needed - to the required length.
Diameter of the air duct
Length of the Venturi tube
Part No.
140 mm to 600 mm
600 mm
S4-34760-06
600 mm to 1400 mm
1500 mm
S4-34760-15
1400 mm to 2700 mm
2800 mm
S4-34760-28
1)
For systems with a tube length of more than 600 mm the Venturi tube must be about 30 mm longer as the diameter of the air duct.
Fig. 14: Cutting the Venturi tube to the required length.
2.6 Mounting the Venturi tube
•
Fit the supplied rubber gasket
on the upper side of the Venturi
tube (enclosure
⇔
Venturi tube).
•
Insert Venturi tube in the correct positional-Rohr arrangement
into the oval opening of the air duct kit.
•
Fasten Venturi tube in the bottom of the enclosure with the
supplied short screw
(subpackage).
•
The end of the Venturi tube must be terminated with the supplied
end cap
.
Fig. 15: Mounting the Venturi tube
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