3.2
Safety instructions
Warning
Read the warning instructions that follow
before you do work on the product.
• Read this manual and make sure that you understand the
instructions before you do work on the product.
• Obey local conditions and laws.
• The ventilation contractor and the operator are responsi-
ble for correct installation and intended use.
• Keep this manual at the location of the product.
• Do not install or operate the product if it is defective.
• Do not remove or disconnect safety devices.
3.3
Personal protective
equipment
Use personal protective equipment during all work on the
product.
• Approved eye protection
• Approved protective helmet
• Approved hearing protection
• Approved protective gloves
• Approved protective shoes
• Approved work clothing
4
Installation
4.1
To do before the installation
of the product
• Examine the packaging for transportation damage and re-
move the packaging from the product carefully.
• Examine the product and all components for damage.
4.2
To install the differential
pressure transmitters
Note:
In humid environment, fasten the differential pressure
transmitter vertically with the cable gland edge of the prod-
uct pointing down.
1
Fasten the differential pressure transmitters on the sup-
ply and extract air duct. Make sure that the distance (A)
is a minimum of 3 meter.
A
Example Topvex SC
2
Fasten the pressure measuring taps.
Note:
Avoid measuring points with turbulent air flow. Perform the
measuring at a distance of 2 duct diameters before bends
and branching and at 6 duct diameters after bends and
branching.
a.
Drill a 6 mm hole for the pressure measuring taps
on the supply and extract air duct.
b.
Fasten the taps with the enclosed screws.
c.
Connect the red tube to the supply air duct and the
blue tube to the extract air duct.
2
