2 Optional accessories
Outletairowinterlock
SMGB0137 rev.0 - 05/2021
27
2
Useasetofthree-wayoutletparts(optionalparts)andcompletelyblocktheairoutletonthebranchedductsideofthe
panel(toavoidcondensationanddirecttheairtowardsthebranchedduct).
Model Units Remarks
PI-160LS1 RCI-(1.0-6.0)FSR To connect to the panel outlet
Thequantityofairfromthebranchedductsideisshowninthetablebelowastheairquantityindexoftheunit.Iftwo
branchedductsareconnectedtotheunit,theamountofairfromthebranchedductsidewillbegreaterandthespeedof
theaironthe3-wayoutletsidewilldecrease.Therefore,thehotairprojectiondistancewillbereduced.
1  Wherethebranchductisinstalledfromthisviewpoint,applythe
dimensionsindicatedinthegurebelowtoavoidaccidents.
2  Useductswithnon-combustibleinsulatingmaterials.
3  Fit enough heat insulation to the duct to avoid condensation.
4  Followtheregulationsinforceregardingthismatterintheplaceof
installationorusethedimensionsindicatedinthegurebelowif
there are no applicable regulations.
Mainbody
Measurement
Wall and pillar material
Combustible materials Non-combustible materials
A ≥100mm ≥50mm
B ≥100mm ≥60mm
2.4  Outlet air ow interlock
2.4.1  For RCI-FSR indoor units: PI-160SL1
Ifonlythreeoutletsarenecessary,usethePI-160SL13-wayoutletpartset.
The dimensions of the blocking plate and the sheet are:
470
440
435
380
40
(30)
(35)
10
63
80
520
17
92
Sheet
Blocking plate
Notch
Applying
adhesive
Standard 
width0.55
Nonwoven
fabric
Notches  
(4 portions)
Installtheinterlockplatesasindicatedinthegure.
Blocking plate
*Sheet
Sheet
Panel
Panel
Electrical box
Drain pan
Drain pan
Blocking plate
Indoor unit insulation
ViewfromB
Path for fresh 
air intake
* Do not attach the sheet to the indoor unit 
insulation and the panel. If adhered, the 
drain pan can not remove.