Hitachi UTOPIA IVX PREMIUM Série Manuel D'installation Et De Fonctionnement page 29

Refrigerant piping & refrigerant charge
13.4.1 Refrigerant piping size and multikit/distributor
Select the piping connection sizes according to the following procedures:
• Between outdoor unit and branch pipe: Select the same pipe connection size as the pipe size of the outdoor unit.
• Between branch pipe and indoor unit: Select the same pipe connection size as the pipe size of the indoor unit.
1 indoor unit system
2 indoor units system
3 indoor units system
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_PMML0251A_r2.indb 29
Pipe Size (L)
Outdoor Unit HP
Gas
2 / 2.5 Ø12.70
3 - 6 Ø15.88
8 Ø25.40
10 Ø25.40
Pipe Size (A)
Outdoor Unit HP
Gas
2 / 2.5 Ø12.70
3 / 4 Ø15.88
5 / 6 Ø15.88
8 Ø25.40
10 Ø25.40
Indoor Unit capacity
≤ 1.5 HP
1.8/2.0HP
≥ 2.3 HP
Connections including Indoor Units 8 and 10 HP are not possible
Pipe Size (A)
Outdoor Unit HP
Gas
4 / 5 / 6 Ø15.88
8 Ø25.40
10 Ø25.40
Indoor Units capacity
≤ 1.5 HP
1.8/2.0HP
≥ 2.3 HP
Connections including Indoor Units 8 and 10 HP are not possible
PMML0251A rev.2 - 02/2013
(mm)
Liquid
Ø6.35
Ø9.52
Ø9.52
Ø12.70
(mm)
Multi-kit
Liquid IVX Premium Series
Ø6.35 TW-22AN
Ø9.52 TW-52AN
Ø9.52 TW-52AN
Ø9.52 TW-102AN
Ø12.70 TW-102AN
(mm)
Pipe Size (B, C)
Gas Liquid
Ø12.70 Ø6.35
Ø15.88 Ø6.35
Ø15.88 Ø9.52
(mm)
Liquid IVX Premium Series
Ø9.52 TG-53AN
Ø9.52 TG-103AN
Ø12.70 TG-103AN
(mm)
Pipe Size (B, C, D)
Gas Liquid
Ø12.70 Ø6.35
Ø15.88 Ø6.35
Ø15.88 Ø9.52
IVX Standard Series
TE-03N1
3HP: TE-03N1
4HP: TE-04N1
TE-56N1
TE-08N
TE-10N
Multi-kit
IVX Standard Series
TRE-46N1
TRE-812N1
TRE-812N1
06/02/2013 9:05:05