7
Connect the unit electrically to the main supply through a safety switch.
7.4 Installation of included components
7.4.1 Supply air sensor
The supply air sensor is wired from factory to terminals in the electrical connection box. The sensor is
placed in a box inside the unit on delivery . Install the sensor in the supply air duct ca. 3 m after the
unit (figure 4). See wiring diagram for more information. Other temperature sensors are built in to the
unit from factory.
Fig. 4 Installed supply air sensor
7.4.2 Installation of VAV models
If the unit is delivered as a VAV (Variable Air Volume) unit, the pressure transmitters controlling the fan
speeds are delivered loosely with the unit. The pressure transmitters need to be mounted in the supply
and extract air ducts (figure 5). See wiring diagram for more information.
Fig. 5 VAV installation
DVCompact
Installation and Service
211117
11
Systemair Sverige AB
