Hitachi RASC-4HNPE Service Manual page 56

3 Piping work and refrigerant charge
Refrigerant piping range


Line branch installation
RASC unit
(4-6) HP
8 HP
10 HP
(*): In case that pipe length between RASC unit and the farthest indoor unit exceeds 70m in 8 HP, please use a Ø12.7 pipe as a liquid
pipe.
Indoor unit capacity
(0.8-1.5) HP
(1.8/2.0) HP
(2.3-6.0) HP
8.0 HP
10.0 HP (*)
?
N O T E
(*): In combinations with 10.0HP indoor units, only one of the two connections of the E-102SN3 multi-kit admits the Ø22.20 mm diameter
corresponding to the gas pipe of the 10.0HP indoor unit. Please take this restriction into account in case that the installation requires the
connection of gas piping of 10.0HP indoor units.
46 SMGB0091 rev.2 - 11/2015
A A
(mm)
Pipe Size (L0,x1,x2)
Gas Liquid
Ø15.88 Ø9.52
Ø25.4 Ø9.52 (*)
Ø25.4 Ø12.7
(mm)
Pipe Size (L3)
Gas Liquid
Ø12.7 Ø6.35
Ø15.88 Ø6.35
Ø15.88 Ø9.52
Ø19.05 Ø9.52
Ø22.20 Ø9.52
B
Multi-kit model A
E-102SN3
E-162SN3
E-162SN3
Multi-kit model B
E-102SN3
E-102SN3
E-102SN3