Hitachi RAS-2-HVNP Service Manual page 83

3. Piping work and refrigerant charge
Line branch system
Pipe Size (D)
Outdoor Unit HP
Gas
3 / 4 / 5 / 6 Ø15.88
8 Ø25.40
10 /12 Ø25.40
(1) In case that total pipe length from the outdoor to the farthest indoor unit exceeds of 70m in 8 HP unit, please use a Ø12.7 pipe as a liquid pipe.
69
A
D
(mm) Multi-kit model A
IVX Premium Series
Liquid
Ø9.52
E-102SN2
Ø9.52
(1) E-162SN2
Ø12.70
E-162SN2
Indoor Unit capacity
≤ 1.5 HP
1.8 / 2.0 HP
> 2.3 HP
SMGB0079 rev.0 - 01/2013
B
C
IVX Standard Series IVX Premium Series
E-102SN2 E-102SN2
E-162SN2 E-102SN2
E-162SN2 E-102SN2
(mm)
Pipe Size (C)
Gas Liquid
Ø12.70 Ø6.35
Ø15.88 Ø6.35
Ø15.88 Ø9.52
Multi-kit model B
IVX Standard Series
E-102SN2
E-102SN2
E-102SN2
3