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2 Optional accessories
Outlet air flow interlock
Use a set of three-way outlet parts (optional parts) and completely block the air outlet on the branched duct side of the
panel (to avoid condensation and direct the air towards the branched duct).
Model
PI-160LS1
The quantity of air from the branched duct side is shown in the table below as the air quantity index of the unit. If two
branched ducts are connected to the unit, the amount of air from the branched duct side will be greater and the speed of
the air on the 3-way outlet side will decrease. Therefore, the hot air projection distance will be reduced.
1 Where the branch duct is installed from this viewpoint, apply the
dimensions indicated in the figure below to avoid accidents.
2 Use ducts with non-combustible insulating materials.
3 Fit enough heat insulation to the duct to avoid condensation.
4 Follow the regulations in force regarding this matter in the place of
installation or use the dimensions indicated in the figure below if
there are no applicable regulations.
Measurement
A
B
2.4 Outlet air flow interlock
2.4.1 For RCI-FSR indoor units: PI-160SL1
If only three outlets are necessary, use the PI-160SL1 3-way outlet part set.
The dimensions of the blocking plate and the sheet are:
Blocking plate
470
440
435
380
40
Install the interlock plates as indicated in the figure.
Electrical box
Panel
Path for fresh
air intake
27
SMGB0137 rev.0 - 05/2021
Units
RCI-(1.0-6.0)FSR
Wall and pillar material
Combustible materials
≥ 100 mm
≥ 100 mm
(30)
(35)
80
10
Notches
Notch
(4 portions)
Blocking plate
Sheet
Drain pan
Remarks
To connect to the panel outlet
Main body
Non-combustible materials
≥ 50 mm
≥ 60 mm
Sheet
520
Applying
adhesive
B
Indoor unit insulation
*Sheet
Drain pan
View from B
* Do not attach the sheet to the indoor unit
insulation and the panel. If adhered, the
drain pan can not remove.
2
Standard
width 0.55
Nonwoven
fabric
Panel
Blocking plate
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