99
5.
Plug the electrical connections (Fig. 86)
6.
Tighten the bolt (Fig. 87)
7.5.3 Service and maintenance of recirculation damper
The recirculation damper and actuator must be regularly checked for contamination every 6 months.
7.6 Outdoor damper
7.6.1 Functional description of outdoor damper
The outdoor/exhaust dampers prevent the air entering into the device when the device is not operating.
Outdoor dampers open 30 seconds before the fan operates automatically. The outdoor and exhaust air dampers are connected
to one digital output.
-
Outdoor/exhaust dampers have tightness class 2.
-
Outdoor-exhaust damper dimensions and weights can be seen below (Fig. 88)
Fig. 87
Fig. 86
Fig. 88
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