System air VTK Airvent User manual

Document in original language | · A001

VTK Airvent

Installation instructions GB

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E&OE

Systemair AB reserves the rights to alter their products without notice.

This also applies to products already ordered, as long as it does not affect the previously agreed specifications.

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Contents

1 Making holes for the duct..................................1

2 Mounting ......................................................1

3 Function........................................................1

4 Accessories....................................................2

4.1 Mounting washers..................................2

4.2 Filter change .........................................2

Making holes for the duct | 1

1 Making holes for the duct

Drill holes through the inner wall, dimensions according to the table. See image for suitable location.

VTK ø (mm)

80 85

100 105

125 130

160 165

2 Mounting

1. Cut the duct to adjust to the thickness

of the wall

2. Mount the duct through the wall and

use the fastening lugs to attach the duct

with two screws.

3. From the outside, push the wall grid

with extension against the wall duct. Use

filling material against the outer wall if

needed.

4. From the inside, push the airvent into

the duct. The gasket keeps the airvent in

place, no screws are necessary.

3 Function

VTK has a temperature sensitive and automatic thermostat that regulate the airvent plate and adjust the air gap and al-

so the amount of air depending on the outside temperature. The airvent opens less when cold outside. If the airvent is

in auto mode the supply of outside air decrease gradually down to -5° C.

When the temperature rises the airvent opens gradually and are fully open at +10° C. The setting can easily be ad-

justed. By turning the airvent’s plate from auto position; clockwise if you need it to close earlier or counter clockwise if

it should stay slightly open at temperatures under -5° C.

Locknut

Spring

Thermostat bulb Plate

Valve

Guide notch for auto mode

Condensation insulation

Guide

Stop for locking

guide notch

Drive pin

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2|Accessories

4 Accessories

Filter and accessories are available at www.systemair.com.

4.1 Mounting washers

1. Turn the airvent’s plate counter clockwise from auto mode and detach.

2. Mount the washers to desired gap opening on the guide, add 2 mm (the stud on

the washer shall run in the track of the guide).

3. The washers are available in 2 and 4 mm thickness. A 4 mm washer provides 2

mm gap opening. One 4 mm + 2 mm washer provides a 4 mm gap opening.

4. Turn the plate to auto mode.

4.2 Filter change

It is recommended to change the filters between 1-3 years interval depending on placement and air quality.

1. Mount the filter first on the airvent. Ensure that the

filter encloses the venting house and the rubber seal.

2. Push the airvent and filter in to the duct.

3. If correctly mounted, the gasket should hold the

airvent firmly in the duct, no screws are necessary.

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VTK Airvent · Installation instructions · · en_GB · 01-06-2017 · A001

Systemair Sverige AB

Industrivägen 3

SE-739 30 Skinnskatteberg, Sweden

Phone +46 222 440 00

Fax +46 222 440 99

www.systemair.com

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