34
Additional charge (g) = [(L1 + L2 + L3 ) – (A x CF1)] x a – (CF2 x 150)
L1~L3 (m) : Installed Piping Length (Outdoor Unit ~ Indoor Unit)
A (m) : Charge-less piping length
a (g/m) : Additional charging volume for Main Pipe (Outdoor Unit ~ Indoor Unit)
CF1 : Total number of connected indoor unit ÷ Max. number of connectable indoor unit
CF2 : Max. number of connectable indoor unit – Total number of connected indoor unit
* Refer to the specifications for detail information of A, a.
* If total additional charge value after calculation comes out to be negative, then do not consider additional charge.
18 K / 24 K / 34 K capacity is based on 5 m length
Drill a hole in the wall
Drill the piping hole with a Ø65mm hole core drill. Drill the piping hole at either the right or the
left with the hole slightly slanted to the outdoor side.
WALL
Indoor
30
40
70
Outdoor