IKEA IHW6302VM0 Istruzioni per l'installazione e manuale d'uso e manutenzione - Pagina 5
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•
Vent system must terminate to the outdoors, except for non-
vented (recirculating) installations.
Roof Venting
Wall Venting
•
Do not terminate the vent system in an attic or other enclosed
area.
•
Do not use 4" (10.2 cm) laundry-type wall cap.
•
Use metal vent only. Rigid metal vent is recommended.
Plastic or metal foil vent is not recommended.
•
The length of vent system and number of elbows should be
kept to a minimum to provide efficient performance.
For the most efficient and quiet operation:
•
Use a straight run or as few elbows as possible.
•
Use no more than three 90 ° elbows.
•
Make sure there is a minimum of 24" (61.0 cm) of straight
vent between the elbows if more than 1 elbow is used.
•
Do not install 2 elbows together.
B
B
A
Non-vented
(recirculating)
Use clamps to seal all joints in the vent system.
The vent system must have a damper. If the roof or wall cap
has a damper, do not use the damper supplied with the range
hood.
•
Use caulking to seal exterior wall or roof opening around the
cap.
•
The size of the vent should be uniform.
Cold weather
installations
An additional back draft damper should be installed to minimize
backward cold air flow and a thermal break should be installed to
minimize conduction of outside temperatures
as part of the vent
system. The damper should be on the cold air side of the thermal
break.
A. Roof cap
A. Wall cap
A. Deflector
B. 6" (15.2 cm)
B. 6" (15.2 cm)
B. 6" (15.2 cm)
round vent
round vent
round vent
Calculating
Vent System
Length
To calculate the length of the system you need, add the
equivalent feet (meters) for each vent piece used in the system.
Vent Piece
6" (15.2 cm) Round
45 ° elbow
2.5 ft
(0.8 m)
The break should be as close as possible to where the vent
system enters the heated portion of the house.
Makeup
air
Local building codes may require the use of makeup air systems
when using ventilation systems greater than specified CFM of air
movement. The specified CFM varies from locale to locale.
Consult your HVAC professional for specific requirements in your
area.
90 ° elbow
5.0 ft
(1.5 m)
Maximum equivalent vent length is 35 ft (10.7 m).
Venting Methods
This canopy hood is factory set for venting through the roof or
wall.
A 6" (15.2 cm) round vent system is needed for installation (not
included). The hood exhaust opening is 6" (15.2 cm) round.
NOTE: Flexible vent is not recommended.
Flexible vent creates
back pressure and air turbulence that greatly reduce
performance.
Vent system can terminate either through the roof or wall. To vent
through a wall, a 90 ° elbow is needed.
Rear discharge
A 90° elbow may be installed immediately above the hood.
For non-vented
(recirculating)
installations
If it is not possible to vent cooking fumes and vapors to the
outside, the hood can be used in the non-vented (recirculating)
version, fitting an activated carbon filter and the deflector. Fumes
and vapors are recycled through the top grille.
Example vent system
C
The following example
falls within the maximum
vent length of
35 ft (10.7 m).
1 - 90 ° elbow
= 5.0 ft (1.5 m)
1 - wall cap
= 0.0 ft (0.0 m)
8 ft (2.4 m) straight
= 8.0 ft (2.4 m)
Length of system
= 13.0 ft (3.9 m)