SAVE VTR 700 SERVICE AND ACCESSORIES INSTALLATIONV1 20210507 104848956

Service
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4.3.1.2 Filters
The air filter captures dust, mold, pollen and other particulate matter.
The filters need to be replaced when polluted. New sets of filters can be acquired from your installer or wholesaler.
4.3.1.3 Heat exchanger
SAVE VTR 700 is equipped with a rotating heat exchanger. Required supply air temperature is therefore normally main-
tained without adding additional heat.
The heat exchanger is removable for cleaning and maintenance, see “User Manual” for more information.
4.3.1.4 Main circuit board
The main circuit board controls all functions and the unit.
It is possible to connect external accessories to a free terminals on the main circuit board.
4.3.1.5 Connection box
Connection box is placed outside of the unit. It contains connection board. All external accessories can be connected to
the unit via connection board with freely configurable terminals.
4.3.1.6 Temperature sensors
The sensors are connected to the main circuit card. See wiring diagram for more information.
4.3.1.7 Humidity sensor
Relative humidity sensor (RHS/EAT) is positioned in the extract air chamber and connected to the main circuit board.
See wiring diagram for more information.
The sensor is used to measure the temperature and control the speed of the fans and humidity transfer of the rotary
heat exchanger.
4.4 Electrical connections
The SAVE VTR 700 is wired internally at factory.
The electrical connection box can be found behind a cover plate (pos. 1). The main circuit board (pos. 2) can easily be
taken out from the unit.
Fig. 6 Main circuit board position
4.4.1 Main circuit board layout
The SAVE VTR 700 is equipped with built-in regulation and internal wiring.
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