2 Unit installation
74
SMGB0077 rev.0 - 01/2013
2.11 Optional accessories
2.11.1 Outdoor air inlet
Outdoor air inlet duct connection position
For RCI-FSN3 indoor units: OACI-160K2 and PD-75
The inlet of outdoor air is possible through the PD-75 or the OACI-160K2 duct connection in the position shown in the
gure.
OACI-160K2 PD-75A
This kit can not supply the fresh air by itself. Therefore, connect the duct and supply the fresh air from the total heat
exchanger or the duct fan.
When connecting this kit to the total heat exchanger or the duct fan, make an interlock to the fan of the indoor unit. The
example is shown below.
CN7
12
RY
52F
AC
RYa
Indoor Unit Printed Circuit Board
Total Heat Exchanger
or Magnetic Switch
Auxiliary Relay
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