Haier MRV 5 Instructions D'installation page 17

INSTALLATION INSTRUCTIONS
Pipe Specification
3. Pipe "C" diameter (main pipe, between outdoor gather pipe and the first branch pipe)
Outdoor Outdoor Capacity
Capacity (Ton) (kBtu/h)
06 72
08 96
10 120
12 144
14 168
16 192
18 216
20 240
22 264
24 288
26 312
28 336
30 360
32 384
34 408
36 432
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 90m (296ft), the mail pipe should be the enlarged diameter.
4. Pipe "D" diameter (between gather pipes)
See item 3.
5. Pipe "E" diameter (between outdoor and the gather pipe)
Outdoor Ton Gas Pipe
Pipe Diameter
in(mm)
06 7/8 (22.22)
08 7/8 (22.22)
10 1-1/8 (28.58)
12 1-1/8 (28.58)
31-5000572 Rev. 1
(cont.)
Gas Pipe in(mm)
7/8(22.22)
7/8(22.22)
1-1/8(28.58)
1-1/8(28.58)
1-1/8(28.58)
1-1/8(28.58)
1-1/8(28.58)
1-1/4(31.8)
1-1/4(31.8)
1-1/4(31.8)
1-1/2(38.10)
1-1/2(38.10)
1-1/2(38.10)
1-1/2(38.10)
1-1/2(38.10)
1-1/2(38.10)
Connection
Method
Brazing
Main Pipe
Liquid Pipe in(mm)
3/8(9.52) 1-1/8(28.58)
1/2(12.7) 1-1/8(28.58)
1/2(12.7) 1-1/4(31.8)
1/2(12.7) 1-1/4(31.8)
5/8(15.88) 1-1/4(31.8)
5/8(15.88) 1-1/4(31.8)
5/8(15.88) 1-1/4(31.8)
5/8(15.88) 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) 1-5/8(41.3)
3/4(19.05) 1-5/8(41.3)
3/4(19.05) 1-5/8(41.3)
3/4(19.05) 1-5/8(41.3)
3/4(19.05) 1-5/8(41.3)
Liquid Pipe
Pipe Diameter Connection
in(mm) Method
3/8 (9.52) Brazing
1/2 (12.7)
1/2 (12.7)
1/2 (12.7)
Enlarged Main Pipe
Gas Pipe in(mm) Liquid Pipe in(mm)
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)
7/8(22.22)
Remarks
Please use
the attached
connection pipe
diameter
17