VTK INSTALLATION INSTRUCTION

Making holes for the duct |
1
1 Making holes for the duct
Drill holes through the inner wall, dimensions according to the table. See image for suitable location.
VTK
ø (mm)
80 85
100 105
125 130
160 165
2 Mounting
1. Cut the duct to adjust to the thickness
of the wall
1
2
3
4
2. Mount the duct through the wall and
use the fastening lugs to attach the duct
with two screws.
3. From the outside, push the wall grid
with extension against the wall duct. Use
filling material against the outer wall if
needed.
4. From the inside, push the airvent into
the duct. The gasket keeps the airvent in
place, no screws are necessary.
3 Function
VTK has a temperature sensitive and automatic thermostat that regulate the airvent plate and adjust the air gap and al-
so the amount of air depending on the outside temperature. The airvent opens less when cold outside. If the airvent is
in auto mode the supply of outside air decrease gradually down to -5° C.
When the temperature rises the airvent opens gradually and are fully open at +10° C. The setting can easily be ad-
justed. By turning the airvent’s plate from auto position; clockwise if you need it to close earlier or counter clockwise if
it should stay slightly open at temperatures under -5° C.
Locknut
Spring
Thermostat bulb
Plate
Valve
Guide notch for auto mode
Condensation insulation
Guide
Stop for locking
guide notch
Drive pin
| A001