PMML0251A rev.2 - 02/2013
Refrigerant piping & refrigerant charge
29
ENGLISH
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
(mm)
Outdoor Unit HP
Pipe Size (L)
Gas
Liquid
2 / 2.5
Ø12.70
Ø6.35
3 - 6
Ø15.88
Ø9.52
8
Ø25.40
Ø9.52
10
Ø25.40
Ø12.70
2 indoor units system
(mm)
Outdoor Unit HP
Pipe Size (A)
Multi-kit
Gas
Liquid
IVX Premium Series
IVX Standard Series
2 / 2.5
Ø12.70
Ø6.35
TW-22AN
TE-03N1
3 / 4
Ø15.88
Ø9.52
TW-52AN
3HP: TE-03N1
4HP: TE-04N1
5 / 6
Ø15.88
Ø9.52
TW-52AN
TE-56N1
8
Ø25.40
Ø9.52
TW-102AN
TE-08N
10
Ø25.40
Ø12.70
TW-102AN
TE-10N
(mm)
Indoor Unit capacity
Pipe Size (B, C)
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
3 indoor units system
(mm)
Outdoor Unit HP
Pipe Size (A)
Multi-kit
Gas
Liquid
IVX Premium Series
IVX Standard Series
4 / 5 / 6
Ø15.88
Ø9.52
TG-53AN
TRE-46N1
8
Ø25.40
Ø9.52
TG-103AN
TRE-812N1
10
Ø25.40
Ø12.70
TG-103AN
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
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Summary of Contents for RAS-10HNCE
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