Hitachi RAS-8HNCE User Manual

Refrigerant piping & refrigerant charge
21
PMML0317A rev.1 - 11/2013
ENGLISH
3 indoor units system (Only allowed for IVX series)
(mm)
Outdoor Unit HP
Pipe Size (A) Header Branch
Gas Liquid IVX Series
4 / 5 / 6 Ø15.88 Ø9.52 TRE-46N1
8 Ø25.40 Ø9.52 TRE-812N1
10 Ø25.40 Ø12.70 TRE-812N1
(mm)
Indoor Units capacity
Pipe Size (B, C, D)
Gas Liquid
≤ 1.5 HP Ø12.70 Ø6.35
1.8/2.0HP Ø15.88 Ø6.35
≥ 2.3 HP Ø15.88 Ø9.52
Connections including Indoor Units 8 and 10 HP are
not possible
4 indoor units (Only allowed for IVX series)
1
2
1 2
3
4
(mm)
Outdoor
Unit HP
Pipe Size (A)
Branch line

(1) In case that total pipe length (A+B+D or A+B+E or
A+C+F or A+C+G) exceeds of 70m in 8 HP unit, please
use a Ø12.7 pipe as a liquid pipe.
(2) When is used Multi-kit model QE-812N1 it is not ne-
cesary the multi.kit 2.
F
G
Gas Liquid IVX Series
4 / 5 / 6 Ø15.88 Ø9.52
4HP: TE-04N1
5/6HP: TE-56N1
8 Ø25.40 Ø9.52
(1)
TE-08N
QE-812N1
(2)
10 Ø25.40 Ø12.70
TE-10N
QE-812N1
(2)
(mm)
Branch line

Indoor Unit
capacity
Pipe Size (D,E,F,G)
Branch pipe after total
capacity of indoor units
1+2 or 3+4
Pipe Size
(B,C)
IVX Series
Gas Liquid
Gas Liquid ≤ 1.5 HP Ø12.70 Ø6.35
≤ 1.5 HP Ø12.70 Ø6.35 TE-03N1 1.8/2.0 HP Ø15.88 Ø6.35
from 1.8 to 2.0 HP Ø15.88 Ø6.35 TE-03N1 ≥ 2.3 HP Ø15.88 Ø9.52
≥ 2.3 HP Ø15.88 Ø9.52
<4: TE-03N1
=4HP: TE-04N1
≥ 5HP: TE-56N1
Connections including Indoor Units 8
and 10 HP are not possible

Hitachi RAS-8HNCE Specifications

General

Brand	Hitachi
Model	RAS-8HNCE
Category	Air Conditioner
Language	English