1 Introduction
1.1 Product description
The product is a roof fan with an EC or AC motor and a cas-
ing made from seawater resistant aluminium.
The DVN fan is a high temperature roof fan with vertical air-
flow discharge. The product has an AC motor with an inte-
grated bird protection grille.
The DVNI fan is a high temperature roof fan with vertical air-
flow discharge. The product has an AC motor with an inte-
grated bird protection grille. The casing has a 50 mm wool
insulation.
The DVN EC fan is a high temperature roof fan with vertical
airflow discharge. The product has an EC motor with an inte-
grated bird protection grille.
The DVNI EC fan is a high temperature roof fan with vertical
airflow discharge. The product has an EC motor with an inte-
grated potentiometer for speed control, and an integrated
bird protection grille. The casing has a 50 mm wool insulation.
The DVC-S EC fan has a vertical airflow discharge and an
EC motor with an integrated potentiometer for speed control.
The DVCI-S EC fan has a vertical airflow discharge, an EC
motor with an integrated potentiometer for speed control.
The casing has a 50 mm wool insulation.
The DVC-POC EC fan and DVCI-POC EC fan have an EC
motor and are supplied with a pressure control device for
constant pressure control. External temperature compensa-
tion control is optional.
The DVC-P fan has an EC motor and an integrated pressure
control device for constant pressure control.
The DVCI-P fan has an EC motor and an integrated pressure
control device for constant pressure control. The casing has
a 50 mm wool insulation.
The DHS fan has a horizontal discharge, an AC motor and
an integrated bird protection grille. The DHS fan is available
with a square cap or with a circular cap.
The DVS fan has a vertical discharge, an AC motor and an
integrated bird protection grille.
The DVSI fan has a vertical discharge, an AC motor and an
integrated bird protection grille. The casing has a 50 mm
whool insulation.
The product is not supplied with an external speed control or
installation equipment, these parts are available and recom-
mended as accessories.
1.2 Intended use
The product is intended for transportation of clean air with a
maximum temperature of 45-60 °C depending on product
model. For information about temperature ranges, refer to
www.systemair.com.
The product is used for ventilation of small areas, for exam-
ple apartments, storages and offices.
The product is not applicable for transportation of air that
contains explosive, flammable, or aggressive media. The
product is not applicable for locations where there is a risk of
explosion.
1.3 Document description
This document contains instructions for installation, operation
and maintenance of the product. The procedures must be
done by approved personnel only.
Speak to Systemair for more information on how to install the
product in different installation locations.
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