Haier MVHR072ME2CA1 Manuel D'installation page 19

INSTALLATION INSTRUCTIONS
Pipe Specification
5. Pipe "E" diameter (main pipe, between outdoor gather pipe and the first branch pipe)
Outdoor Outdoor
capacity capacity
(Ton) KBtu/h Suction gas
pipe in(mm)
06 72 7/8(22.22)
08 96 7/8(22.22)
10 120 1-1/8(28.58)
12 144 1-1/8(28.58)
14 168 1-1/8(28.58)
16 192 1-1/8(28.58)
18 216 1-1/8(28.58)
20 240 1-1/4(31.8)
22 264 1-1/4(31.8)
24 288 1-1/4(31.8)
26 312 1-1/2(38.10)
28 336 1-1/2(38.10)
30 360 1-1/2(38.10)
32 384 1-1/2(38.10)
34 408 1-1/2(38.10)
36 432 1-1/2(38.10)
NOTE: It is recommended to install according to the pipe diameter specifications in all tables. When the distance from
outdoor to the longest indoor is over 296ft(90m), the main pipe should be the enlarged diameter.
6. Pipe "F" diameter (between gather pipes)
Total indoor capacity before
gather pipe
14 Ton
16~24 Ton
26~36 Ton
7. Pipe "G" diameter (between outdoor and the gather pipe)
Outdoor capacity (Ton)
6
8
10
12
Copper Pipe Selection:
Material
Pipe diameter in(mm)
Thickness in(mm) 0.8
Material
Pipe diameter in(mm)
(19.05)
Thickness in(mm) 1.0
31-5000573 Rev. 2
(cont.)
Main pipe
HP gas pipe Liquid pipe
in(mm) in(mm)
7/8(22.22) 3/8(9.52)
7/8(22.22) 1/2(12.7)
1-1/8(28.58) 1/2(12.7)
1-1/8(28.58) 1/2(12.7)
1-1/8(28.58) 5/8(15.88)
1-1/8(28.58) 5/8(15.88)
1-1/8(28.58) 5/8(15.88)
1-1/4(31.8) 5/8(15.88)
1-1/4(31.8) 3/4(19.05)
1-1/4(31.8) 3/4(19.05)
1-1/2(38.10) 3/4(19.05)
1-1/2(38.10) 3/4(19.05)
1-1/2(38.10) 3/4(19.05)
1-1/2(38.10) 3/4(19.05)
1-1/2(38.10) 3/4(19.05)
1-1/2(38.10) 3/4(19.05)
Suction gas pipe
in(mm)
Suction gas pipe in(mm)
7/8(22.22)
7/8(22.22)
1-1/8(28.58)
1-1/8(28.58)
O type; Soft Type
0.8 1.0
Hard Pipe
(22.22) (28.58) (31.80)
1.0 1.0 1.1
Enlarged main pipe
Suction gas HP gas pipe
pipe in(mm) in(mm)
1-1/8(28.58) 7/8(22.22)
1-1/8(28.58) 7/8(22.22)
1-1/4(31.8) 1-1/8(28.58)
1-1/4(31.8) 1-1/8(28.58)
1-1/4(31.8) 1-1/8(28.58)
1-1/4(31.8) 1-1/8(28.58)
1-1/4(31.8) 1-1/8(28.58)
1-1/2(38.1) 1-1/4(31.8)
1-1/2(38.1) 1-1/4(31.8)
1-1/2(38.1) 1-1/4(31.8)
1-1/2(38.1) 1-1/2(38.1)
1-5/8(41.3) 1-1/2(38.1)
1-5/8(41.3) 1-1/2(38.1)
1-5/8(41.3) 1-1/2(38.1)
1-5/8(41.3) 1-1/2(38.1)
1-5/8(41.3) 1-1/2(38.1)
HP gas pipe Liquid pipe
in(mm) in(mm)
HP gas pipe in(mm) Liquid pipe in(mm)
7/8(22.22) 3/8(9.52)
7/8(22.22) 1/2(12.70)
1-1/8(28.58) 1/2(12.70)
1-1/8(28.58) 1/2(12.70)
1.0 1.1
(34.90) (38.10) (41.30)
1.3 1.4 1.5
Liquid pipe
in(mm)
1/2(12.7)
5/8(15.88)
5/8(15.88)
5/8(15.88)
3/4(19.05)
3/4(19.05)
3/4(19.05)
3/4(19.05)
7/8(22.22)
7/8(22.22)
7/8(22.22)
7/8(22.22)
7/8(22.22)
7/8(22.22)
7/8(22.22)
7/8(22.22)
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