Hitachi RCI-4.0FSR - T-Duct Connection Position; For Rci-Fsr Indoor Units: Tkci-160 K; For RCI-FSR Indoor Units: TKCI-160 K

2 Optional accessories
T-duct connection position
SMGB0137 rev.0 - 05/2021
25
2
2.2 T-duct connection position
2.2.1 For RCI-FSR indoor units: TKCI-160k
TheT-ductconnectionisdesignedforeasierconnectionsbetweentheoutdoorairinletandtheconnectionduct.
TheT-ductconnectioncanonlybeinstalledwhenusingtheoutdoorairinletkit(optional)orthelterbox(optional).
210
77
50
410
25
φ
75
φ
75
φ
105
φ
145
φ
100
315
25
Flexible duct (2 pieces)
T-Tube connection
Glasswool
(insulation)
Galvanized
steel plate
Dimension
Model a b
1.0 - 2.5 303 179
3.0 - 6.0 353 229
840
664
P
210 118
φ
145
124
Min.10a
b
840
Electrical box
Airow
Fresh air intake kit
View from P
Flexible duct (∅150)
(eld-supplied)
Airow
Fresh air
(Total heat
exchanger)
Suspension band
(Field-supplied)
Fresh air
(Total heat
exchanger)
Indoor unit
Indoor unit
TheoutdoorairinletductresistanceincreasesasindicatedinthefollowinggurewhenusingtheT-ductconnection.Use
it as a guide for fan selection.
0 246
50
100
150
200
0
Pass resistance of fresh air intake portion
Airowvolume(m
3
/min.)
Pass resistance (Pa)
6 HP
Limit of fresh
air intake
amount
? NOTE
Thischartshowstherelationshipbetweentheairowvolumeandthe
pass resistance when the T-tube connecting kit is used with the fresh
air intake kit.