Hitachi RAS-(3-6)HVNC1(E) Service Manual page 109

3 Piping work and
refrigerant charge
RAS-(4-6)H(V)NP1E - RAS-(8/10)HN(P/C)E
RAS-12HV(P/C)
N O T E
Sizes (a) to (g) depend on the outdoor unit model
95
SMGB0087 rev.0 - 12/2013
Existing pipe
(Outlet on the rear side)
46
96
Flare connection
Strainer for
liquid pipe
Strainer for
gas pipe
Flare connection
Existing refrigerant
pipes (for liquid)
Existing refrigerant
pipes (for gas)
Existing refrigerant pipe
(Outlet on the rear side)
Existing refrigerant pipe
(Brazing connection)
Strainer for liquid pipe
Flare connection
Strainer for gas pipe
Brazing connection
Elbow connection (Field-Supplied)
Existing refrigerant pipe
(Outlet on the rear side)
Existing refrigerant pipe
(Outlet on the rear side)
Existing refrigerant pipe
(Outlet on the rear side)
Existing refrigerant pipe
(Outlet on the rear side)
3