5
4. Levelling/Water Connection
l
Remove the outer stretch wrapping and cardboard box.
Caution:
Do not remove the struts during installation and operation.
l
Place the Katherm NX with the PowerKon heat exchanger near the
window.
Caution:
The height-adjustment feet are already fitted to the floor duct.
However, these were attached to the foot underneath the duct
for transportation purposes. Loosen the outer fastening nut on
the height-adjustment feet and turn the raised floor mounting
feet 180° so that is pointing outwards (see Fig. 1) in order to
install and adjust the height of the duct.
l
Then set up the floor duct and adjust the height of the height-
adjustment feet
1
and adjusting screws on the raised floor mounting
feet with sound absorption
3
.
l
Fix the height-adjustment feet, room-side
1
with rubber underlays for
sound absorption
2
, with screws and rawlplugs provided on-site.
l
Use the pipe opening cut out on the room-side for the water-side
connection. Remove the pipe conduit that has been cut out. Seal
the thermostatic valve and return shut-off valve with appropriate
sealing compound and screw the valves to the fan connections on the
convector.
l
Then fit the flow and return pipes.
l
Run a pressure test.
l
Attach these installation instructions to the floor duct so that they are
clearly visible to any trades people at a later date.
l
Cover the grille and floor duct with a transparent protective cover to
protect them from dirt or cement.
5. Thermoelectric Actuator
Lay an empty conduit Ø 23 mm for the connection cable from the
thermoelectric actuator to the floor duct and flush-mounted box
(provided on-site) to connect the thermoelectric actuator.
Window-side
Example shown:
Ka
therm
NX 225
Room-side
1
2
3
Fig. 1: Turning the height-
adjustment feet
Fig. 2: Height adjustment on the
raised floor mounting feet
Ka
therm
NX -
Natural Convection
3.45
Levelling/Water Connection
1
2
3
