Mitsubishi Electric m-MOCU-G02-050 Installation Manual page 21

Pipes A, A , A
1 2
Configuration
Single-outdoor-unit system
Two-outdoor-unit system
*1 Deformed pipe is required. (Refer to the manual for the connected indoor unit.)
Change the pipe size as follows using deformed pipe.
CMY-Y200VBK2 Gas: ø34.93 → ø28.58
Liquid: ø19.05 → ø15.88
*2 If the pipe length after the first branching point exceeds 40 m (131 ft) (≤ 90 m (295 ft)), use the one size larger liquid pipe for all pipes from
indoor units to the first branch.
*3 When the vertical separation between the indoor units is 15 m (49 ft) (≤ 30 m (98 ft)), use the one size larger liquid pipe for all pipes from the
lower indoor units to the first branch.
Pipes B, C, D
Total capacity of indoor units
16 kW ≤ Total capacity
16 kW ˂ Total capacity ≤ 22.4 kW
22.4 kW ˂ Total capacity ≤ 33.5 kW
33.5 kW ˂ Total capacity
Pipes a, b, c, d, e
Indoor unit model name
m-MROW/MRAC-G02-009
m-MROW/MRAC-G02-015
m-MROW/MRAC-G02-025
VG79D920H01
Combination unit
Unit 1 Unit 2
m-MOCU-G02-050 -
m-MOCU-G02-050 m-MOCU-G02-050
Pipe
Liquid
ø12.7 (ø1/2)
ø15.88 (ø5/8)
ø19.05 (ø3/4)
ø19.05 (ø3/4)
Pipe
Liquid
ø12.7 (ø1/2)
ø15.88 (ø5/8)
ø19.05 (ø3/4)
Pipe A
Liquid Gas
ø15.88 ø28.58
(ø5/8) (ø1-1/8)
ø15.88* ø28.58*
1 1
(ø5/8) (ø1-1/8)
[mm (in)]
Gas
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø25.4 (ø1)
ø28.58 (ø1-1/8)
[mm (in)]
Gas
ø19.05 (ø3/4)
ø22.2 (ø7/8)
ø25.4 (ø1)
19
[mm (in)]
Pipe A Pipe A
1
Liquid Gas Liquid
- - -
ø15.88 ø28.58 ø15.88 ø28.58
(ø5/8) (ø1-1/8) (ø5/8) (ø1-1/8)
2
Gas
-