11
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MV
Installing the ventilation unit to the ceiling
mounting plate
1. Install the ceiling mounting plate with M8 thread bars so that it
is horizontally level.
NOTE
The end of the thread bars must be 5 mm or less below the
fastening nut. Do not fasten the ceiling mounting plate too
tight to the ceiling. Ensure that the sliding bars move and
restore to their original position by pulling from the operating
levers (A).
The top edge of the white covering strip of the ceiling mounting
plate can be installed against the ceiling. Alternatively, a
concealed mounting method can be used, in which case the
ceiling can be 30 mm below the top of the white covering strip.
2. Ensure that the insulation washers are in place in the outlet
collars below the ceiling mounting plate.
3. The door of the unit must be removed when the Vallox 51
ventilation unit is installed onto the wall mounting plate.
4. Lift the ventilation unit close to the ceiling mounting plate
and feed the cables through the hole in the ceiling mounting
plate on top of the ceiling. Alternatively, the cables can be fed
between the ceiling mounting plate and the ventilation unit to
the rear wall, to the area shown in the adjacent figure.
NOTE
Remember to make a service door in the ceiling so that
the cables and the connection box can be accessed. The
distance between the service door and the ceiling mounting
plate must be around 500 mm.
When the ventilation unit is lifted against the ceiling mounting
plate, the unit locks in place. (Where needed, guide the
mounting hooks on the ceiling mounting plate (B) to the
grooves on the side panels of the ventilation unit).
There are operating levers (A) on the front bottom corners of
the ceiling mounting plate. When the levers have been restored
to the same level with the white covering strip of the ceiling
mounting plate, the unit has been locked in place.
5. Where required, the unit can be detached from the ceiling
mounting plate. Remove the door of the unit. Lift the unit
slightly upwards and pull simultaneously from both operating
levers (A) of the ceiling mounting plate to detach the unit from
the ceiling mounting plate.
Attic floor penetration plate
The attic floor penetration plate (F) is optional. When an attic floor
penetration plate is used, the tightness of the vapour barrier has to
be ensured.
The minimum distance of the attic floor penetration plate from
the rear wall is 5 mm. The minimum distance of the attic floor
penetration plate from the side walls is 15 mm.
INS
T
ALLA
TION
A socket in
this area
5
B
1
2
4
3
A
500 mm
A
B
Содержание 4105063
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