3  Piping work and 
refrigerant charge
104
SMGB0077 rev.0 - 01/2013
The drain piping must be performed with a down-slope pitch of 1/25 to 1/100.
b
c
Ceiling
Hose  band 
(accessory)
a (Max. 300mm)
Drain hose (accessory)
Su p po r t 
part
1 to 1.5m
1/25 to 1/100
Down-slope
Max. 850mm
Do not apply excessive force to the Drain Pipe connection. It could cause a damage.
Do not use a bent or twisted Drain Hose. It will cause water leakage.
Insulate the drain pipe after connecting the drain hose.
Hose band (accessory)
Insulation (5T x 25  x 500) 
(accessory)
Completely  wrap  up 
the  transparent  area 
of the drain pipe end 
connection
Insulation (5T x 100 x 200) 
(accessory)
Wrap  up  the  drain  hose 
completely  to  cover  the 
hose band.
3.5.2  RCI - 4-way cassette (1.0-6.0)FSN3Ei
  
Refrigerant pipe installation
The correct position for the refrigerant pipe connection is shown 
below. The pipe connection must be accessible from all directions 
(above, left or right).
2
1
1
2