Page 1
Manual
Document
D3925
Valid from
1.1.2017
Updated
9.5.2017
MANUAL
Model
Vallox Capto KTCEA
Type
279842
The Vallox Capto KTC EA cooker hood is designed to be used above
the cooker top in apartments with centralized ventilation or as a
general extraction valve in the kitchen.
The hood has a timer damper, a guard function, pressure equalization
chamber, and fire damper.
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2
MANUAL
VENTILATION CONTROL
In buildings with a centralized ventilation that allows the
residents to boost extraction during cooking, this is done using
the adjustment damper of the hood.
The cooker hood meets the requirements set for a fire damper
and for sound-dampening between apartments.
USING THE COOKER HOOD
The cooker hood has a sliding glass that can be pulled out of the
cooker hood. It is recommended that the sliding glass be pushed
or pulled from the aluminum strip on its front edge. Pull the glass
out of the cooker hood for maximal extraction capacity.
Position of the damper
In normal circumstances, the damper must be closed (the
signal light is o), which boosts the extract air flow from other
premises.
The damper must be open (the signal light is turned on) when
the user wants to increase the extract air flow from the cooker
hood e.g.
• when the cooker top or the oven is used for cooking or
• the load in the kitchen is exceptional due to the use of
strong detergents, presence of a large number of people,
or similar.
Touch the button on the damper to open it and to start the timer.
The damper will close automatically within 60 minutes. When
the damper is closed, air extraction from other premises is
increased.
Front panel buttons
The front panel of the cooker hood has two buttons.
Cooker hood light
Turn the light on or o by pressing the light switch. The light is
dimmable. Adjust the brightness by pressing the light switch until
the brightness is adequate.
MAINTENANCE
Keep the cooker hood clean. Wipe outer surfaces regularly with
water containing a small amount of a mild detergent. Clean o
any grease stains immediately. Do not use abrasive or corrosive
detergents or tools.
Keep the grease filter clean to ensure an adequate extract air
flow. The grease filter must be washed with warm water and
detergent at least 1-2 times a month.
Light
The cooker hood has a long-lasting LED lighting module. If the
light is not working, contact a servicing company.
Removing and mounting the grease filter
Removing the filter Mounting the filter
• Pull the locking device of the grease filter towards the front
edge of the cooker hood while pulling the grease filter
downwards until it comes o.
• Wash the grease filter and leave to dry.
• Mount the grease filter back in place. Push the front edge of
the filter into the pins on the cooker hood, and click the rear
edge in place.
NOTE! Ensure that the locking device points downwards.
PLEASE NOTE!
• Neglecting the cleaning of the grease filter can cause
a fire hazard.
• The outer surfaces of the hood can become hot when
the cooker or the oven is turned on.
• Flaming is forbidden underneath the cooker hood.
• Always follow the instructions provided on adjusting
the eciency of ventilation.
• Enable a sucient supply airflow into the room if
the cooker hood and non- electric devices are used
simultaneously.
Other functions
Guard function
The cooker hood is equipped with a guard function that is
activated when the temperature of the cooker hood exceeds
60°C or after a sudden increase in temperature (> 8°C/min). In
such a case, all signal lights of the cooker hood and the LED light
will flash. If this kind of alarm is noticed before fire damage, it can
be acknowledged by pressing any of the cooker hood buttons.
Pre-selection of light brightness
The hood has a button for adjusting the brightness of the light.
The location of the button is not marked on the front panel but
can be found roughly 2 cm to the lef t of the light switch.
To modify the pre-selection of light brightness:
1. Turn on the light, close the damper, and set the ventilation
to the Away profile.
2. Press the selection button for roughly 3 seconds until the
setting mode signal light starts to flash.
3. Adjust the brightness of the light by pressing the light
button until the brightness is adequate.
4. To save the setting, press the selection button for roughly 3
seconds until the setting mode signal light stops to flash.
To read about the other func tions of the selection button, go to
our website, www.vallox.com.
WARNING!
The unit is not intended for use by children under 8 or
by persons with reduced sensory, physical or mental
capabilities, or whose lack of knowledge and experience do
not ensure safe operation of the unit. Such persons can use
the unit under supervision, or by following the instructions
of someone who is responsible for their safet y. Do not let
children play with the unit or to clean or maintain it without
supervision.
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© Vallox Oy - All rights reserved
MANUAL
Cleaning the perforated
pipe of the cooker hood
The level of dirtiness of the inside surface
of the perforated pipe must be controlled
at least once a year. Open the damper of
the cooker hood and check the per forated
pipe from below by looking inside with
e.g. a torch to determine if it needs to be
cleaned.
If the perforated pipe needs to be
cleaned, call the service person of
the housing company or clean the
pipe yourself following the adjacent
instructions. Use detergent designed for
cleaning baked-on coatings.
Cleaning of the perforated pipe
• Empty and remove the spice cabinet.
• Open the screws of the hood’s maintenance
door and remove the door and insulation.
• Open the two screws of the pressure
limitation pipe and lift the pipe o.
• Clean the inside and outside of the
perforated pipe.
• Do not remove or move the magnetic strips.
• The extract air duct can be cleaned at the
same time.
• Reassemble the perforated pipe,
maintenance door and insulation, and the
spice cabinet in a reverse order.
1
2
4
38 mm
5
min. 426mm /
650mm
3
50mm
20mm
Figure 5.
Location of the L strip when the lowest hood mounting height is
used.
Where required, the hood can also be fastened on the wall
with corner mounts from the top of the pressure equalization
chamber.
PLEASE NOTE!
The minimum distance of the bottom edge of the hood to
an electric cooker is 426 mm and to a gas cooker 650 mm.
INSTALLATION
In the example, the bottom of the sides and the rear of the
cooker hood are level with the bottom of the top cabinets (see
figures 1-2). In this case, a specially made cover panel is needed
to hide the hood. The height of the cover panel is roughly 210
mm.
The hood can also be installed higher, even so that it touches
the frame of the spice cabinet. In this case, rear corners need to
be sawn o from the spice cabinet frame (see figure 3). In this
mounting method, the height of the hood cover panel is 100 mm.
When the lowest possible mounting height is used, the bottom
edge of the sliding glass, when pushed inside the hood, is
level with the bottom of the top cabinet frames (see figure 4).
The L strip is mounted on the wall as shown in figure 5. In this
mounting method, the height of the hood cover panel is roughly
248 mm.
Figure 1.
Remove the spice cabinet. Mount the L strip on the wall so that
it is level.
The L strip fully covers the gap between the hood and the wall
and also makes it easier to balance the hood in place during
mounting.
If the top cabinet frames are less than 305 mm deep, the longer
edge of the L strip is mounted on the wall. The perforations
on the lower surface of the L strip can be covered using white
plastic studs.
PLEASE NOTE!
• The cooker hood must not be connected to a flue that is
used for removing combustion gases (e.g. from a woodor gas-burning fireplace, cooker, or stove).
• Regulations on leading extraction air outdoors must be
observed.
PLEASE NOTE!
• The power outlet used for the cooker hood must be
easy to access.
Figure 2.
Place the hood on top of the L strip so that it is level and fasten
the hood on the top cabinet frames with four screws. It is vital
that the hood is both vertically and horizontally level. The
front panel of the hood must be at the same depth as the outer
surface of the top cabinet doors.
Figure 3.
If the highest possible hood mounting height is used, saw o
diagonal pieces measuring at least 20x50 mm from the spice
cabinet frame.
Figure 4.
The cooker hood when the lowest possible mounting height is
used.
Page 4
MANUAL
D3925/9.5.20 17
External electrical connection
Standard ventilation
The volume flow rate of the air inside the cooker hood is
measured with the damper closed.
Measuring
• The air flow measuring tubes are located behind the cooker
hood light on the right side.
• Connect the dierential pressure gauge to the measuring
tube that is marked with a “min.” sticker. The enclosed
figure illustrates the measuring principle.
Adjustment
• Cover the required number of holes in the damper with the
magnetic strip that is delivered with the cooker hood.
• Determine the volume flow rate from the per formance
scheme based on the measured pressure and the number
of open holes in the damper.
Boost ventilation
The volume flow rate is measured and adjusted with the damper
open.
Measuring
• The measuring tubes should be connected as specified in
the standard ventilation section.
• The dierential pressure gauge is connected to both
measuring tubes. The enclosed figure illustrates the
measuring principle.
• Determine the volume air flow from the performance
scheme based on the measured pressure.
Adjustment
• Cover the required number of holes in the damper with the
magnetic strip that is delivered with the cooker hood.
ALARM
TACHO
GND
PWM
OPT
+ -
DAMP
IN OUT
MODE
IN OUT
F ALARM
RS 485
A B GND
N
L
DAMPER
1 2 3
LIGHT
N L
FAN
N L
IN OUT
PE
EXTRA
POSITION
OF THE FLAP
CONTACT DATA
CONTACT DATA
GUARD FUNCTION
STANDARD VENTILATION
(SETTINGS 3---8)
- damper closed
- available settings
- 2 = 20 holes open/damper
- 3 = 30 holes open /damper
- 4 = 40 holes open/dampe r
- 5 = 50 holes open /damper
- 6 = 60 holes open /damper
- 7 = 70 holes ope n/damper
- 8 = 80 holes open/damper
BOOST VENTILATION
(SETTINGS 16 ---24)
- damper open
- available settings
- 16 = 164 ho les ope n
(2 magnetic strips)
-20 = 203 holes open
(1 magnetic strip)
-24 = 242 hole s open
(all are open)
A
A
p
A
A
p
Measuring and adjusting performance values
Measuring
standard ventilation
Measuring
boost ventilation
5 6 7 8 9 20 30 40 50 6010
20
30
40
50
60
70
80
90
200
300
400
100
45
40
35
30
25
45
40
35
30
25
24
20
16
LpA, dB(A)
4 53 872 6
Airflow, dm³/s
Static pressure loss Pa
Adjustment position
Vallox Oy | Myllykyläntie 9-11 | 32200 LOIMA A | FINLAND
www.vallox.com | Exchange +358 10 7732 200 | Aftersales +358 10 7732 270
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