3 Piping work and
refrigerant charge
122
SMGB0077 rev.0 - 01/2013
N O T E
For RPK-(0.8-1.5)FSN(H)3M, it is recommended to connect the piping at the right rear side of the body to avoid the
sound from the refrigerant running through.
Unit: mm
Model
Liquid piping
a b c Ød
RPK-(0.8-1.0)FSN(H)3M 45 638 107 Ø65
RPK-1.5FSN(H)3M 45 657 107 Ø65
RPK-(2.0-4.0)FSN3M 42 951 141 Ø80
a
φ d
b c
φ d
a
Exterior contour for indoor unit
Refrigerant and drain pipe connection
Refrigerant and drain
pipe connection
Fix the xing plate for pipes (accessory) as shown in the gure below.
Fix the xing plate onto
upper and lower catches.
Fixing Plate
(only for 2.0 to 4.0HP)
Catches
Models Gas pipe mm (inches) Liquid pipe mm (inches)
RPK-(0.8-1.5)FSN(H)3M Ø12.70 (1/2)
Ø9.52 (3/8) (FSNH3M)
Ø6.35 (1/4) (FSN3M)
RPK-2.0FSN3M Ø15.88 (5/8) Ø6.35 (1/4)
RPK-(2.5-4.0)FSN3M Ø15.88 (5/8) Ø9.52 (3/8)
Drain pipe installation
N O T E
The normal direction for connecting the drain hose is on the right side (when the unit is seen from the outlet grille
side). The connection can be made from the left side or from the rear if there are construction elements of the
building around it.
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