VALLOX 75/95
6
MAINTENANCE INSTRUCTIONS
Detaching and attaching of self-actuated one-way damper
(vacuum damper)
A
Put the hook of the damper (Y) rim under the back edge of the fastening collar (K) of
the fan (F). Then push the damper downwards until the steering edges of the valve go
inside the rubber collar.
Push the front edge of the collar with your finger.
Put the hook of the front edge of the damper below the front edge of the collar. When
detaching the damper, take the same steps in the opposite order. Self-actuated one-
way dampers are only used in VKL model units.
B
C
Detaching of thermostat sensor from and attaching
it toself-actuated valve
T
Y
K
F
B
Y
K
F
C
Y
K
F
A
Y
F
T
K
Thermostat sensor is not locked. The sensor is detached by
turning the sleeve to the direction shown by the arrow.
When reattaching the sensor, turn the sleeve to the direction
shown by the arrow to make the claws lock in the open
position, check that the green indicator dot is visible, and push
the thermostat sensor to the body of the valve.
