Indoor Units - Hitachi UTOPIA IVX PREMIUM Series Installations- Und Betriebshandbuch

Refrigerant piping & refrigerant charge

4 indoor units

Pipe Size (A)
Outdoor
Unit HP
Gas Liquid
4 / 5 / 6 Ø15.88 Ø9.52
8 Ø25.40 Ø9.52
10 Ø25.40 Ø12.70
Branch pipe after total
capacity of indoor units
1+2 or 3+4
≤ 1.5 HP
from 1.8 to 2.0 HP
≥ 2.3 HP
Line branch system
Pipe Size (C, D) (L4)
Outdoor Unit
HP
Gas
3 / 4 / 5 / 6 Ø15.88
8 Ø25.40
10 /12 Ø25.40
(1) In case that pipe length exceeds 70m in 8 HP, please use a Ø12.7 pipe as a liquid pipe.
Indoor Unit capacity
≤ 1.5 HP
from 1.8 to 2.0 HP
≥ 2.3 HP
30
_PMML0251A_r2.indb 30
2
1
1 2 3
(mm)
Multi-kit (1)
IVX Premium Series
TW-52AN
TW-102AN
(1)
TW-102AN
(mm)
Pipe Size
IVX Premium
(B,C)
Series
Gas Liquid
Ø12.70 Ø6.35 TW-22AN
Ø15.88 Ø6.35 TW-52AN
Ø15.88 Ø9.52 TW-52AN
c
(mm) Multi-kit model A
IVX Premium Series
Liquid
Ø9.52 E-102SN2
Ø9.52 E-162SN2
(1)
Ø12.70 E-162SN2
Pipe Size (L3)
Gas Liquid
Ø12.70 Ø6.35
Ø15.88 Ø6.35
Ø15.88 Ø9.52
PMML0251A rev.2 - 02/2013
4
(1) In case that total pipe length (A+B+D or A+B+E or
IVX Standard Series
A+C+F or A+C+G) exceeds of 70m in 8 HP unit, please
use a Ø12.7 pipe as a liquid pipe.
4HP: TE-04N1
5/6HP: TE-56N1
(2) When is used Multi-kit model QE-812N1 it is not ne-
cesary the multi.kit 2.
TE-08N
QE-812N1
(2)
TE-10N
QE-812N1
(2)
Multikit 
IVX Standard
Series
TE-03N1
TE-03N1
<4: TE-03N1
Connections including Indoor Units 8 and 10 HP
=4HP: TE-04N1
are not possible
≥ 5HP: TE-56N1
A
B
D
IVX Standard Series IVX Premium Series
E-102SN2
E-162SN2
E-162SN2
F G
Pipe Size (D,E,F,G)
Indoor Unit
capacity
Gas Liquid
≤ 1.5 HP Ø12.70 Ø6.35
1.8/2.0 HP Ø15.88 Ø6.35
≥ 2.3 HP Ø15.88 Ø9.52
Multi-kit model B
IVX Standard Series
E-102SN2 E-102SN2
E-102SN2 E-102SN2
E-102SN2 E-102SN2
06/02/2013 9:05:06