Mitsubishi Electric City Multi R2 Series Installation Manual page 29

(3) P and EP models
Pipe B
Total capacity of indoor units
80 or below
Pipes C, D, E, F, G, H, I (*)
Total model number of
downstream indoor units
200 or below
201 to 300
301 to 350
351 to 400
401 to 600
601 to 650
651 to 800
801 to 1000
1001 or above
Pipes a, b, c, d, e, f, g, h (*)
Capacity index of indoor unit
15, 20, 25, 32, 40, 50
63, 71, 80, 100, 125, 140
200
250
Pipes i, j, k, l (*)
Capacity index of indoor unit
100
125
140
200
250
* If the length of high-pressure pipe or liquid-pipe exceeds the restriction, use the one size larger pipe. Refer to the BC controller Installation Manual
for details.
9-4-3. Example of pipe connection between an outdoor unit and HBC controller, and
between an HBC controller and indoor unit (Hybrid City Multi system)
Refer to the HBC controller Installation Manual for details.
WT08432X01
[mm (in)]
Pipe
Liquid Gas
ø9.52 (ø3/8) ø15.88 (ø5/8)
Pipe
High-pressure Low-pressure
ø15.88 (ø5/8) ø19.05 (ø3/4)
ø19.05 (ø3/4) ø22.2 (ø7/8)
ø19.05 (ø3/4) ø28.58 (ø1-1/8)
ø22.2 (ø7/8) ø28.58 (ø1-1/8)
ø22.2 (ø7/8) ø28.58 (ø1-1/8)
ø28.58 (ø1-1/8) ø28.58 (ø1-1/8)
ø28.58 (ø1-1/8) ø34.93 (ø1-3/8)
ø28.58 (ø1-1/8) ø41.28 (ø1-5/8)
ø34.93 (ø1-3/8) ø41.28 (ø1-5/8)
[mm (in)]
Pipe
Liquid Gas
ø6.35 (ø1/4) ø12.7 (ø1/2)
ø9.52 (ø3/8) ø15.88 (ø5/8)
ø9.52 (ø3/8) ø19.05 (ø3/4)
ø9.52 (ø3/8) ø22.2 (ø7/8)
Liquid pipe
i j
ø9.52 (ø3/8) ø9.52 (ø3/8)
ø9.52 (ø3/8) ø9.52 (ø3/8)
ø9.52 (ø3/8) ø9.52 (ø3/8)
ø9.52 (ø3/8) ø9.52 (ø3/8)
ø9.52 (ø3/8) ø9.52 (ø3/8)
[mm (in)]
Liquid
ø9.52 (ø3/8)
ø9.52 (ø3/8)
ø12.7 (ø1/2)
ø12.7 (ø1/2)
ø15.88 (ø5/8)
ø15.88 (ø5/8)
ø19.05 (ø3/4)
ø19.05 (ø3/4)
ø19.05 (ø3/4)
[mm (in)]
Gas pipe
k l
ø15.88 (ø5/8) ø15.88 (ø5/8)
ø15.88 (ø5/8) ø15.88 (ø5/8)
ø15.88 (ø5/8) ø15.88 (ø5/8)
ø19.05 (ø3/4) ø15.88 (ø5/8)
ø22.2 (ø7/8) ø15.88 (ø5/8)
GB-27