Mitsubishi Electric PURY-(E)P-YLM-A (-BS) Installation Manual page 27

Pipes A, A , A
1 2
Combination unit
Unit model
Unit 1
EP200YLM-A -
EP250YLM-A -
EP300YLM-A -
EP350YLM-A -
EP400YLM-A -
EP450YLM-A -
EP500YLM-A -
EP500YSLM-A EP250
EP550YSLM-A EP300
EP600YSLM-A EP300
EP650YSLM-A EP350
EP700YSLM-A EP350
EP750YSLM-A EP400
EP800YSLM-A EP400
EP850YSLM-A EP450
EP900YSLM-A EP450
*1 If the combination units 1 and 2 are in a different order as listed in the table, make sure to use the pipes of appropriate size for the situation.
(3) P and EP models
Pipe B
Total capacity of indoor units
80 or below
Pipes C, D, E
Total model number of
downstream indoor units
200 or below
201 to 300
301 to 350
351 to 400
401 to 450
Pipes a,b,c,d,e,f
Capacity index of indoor unit
15, 20, 25, 32, 40, 50
63, 71, 80, 100, 125, 140
200
250
Pipes g, h, i, j
Capacity index of indoor unit
100
125
140
200
250
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.
WT07282X01
Pipe A
Unit 2 High-pressure Low-pressure High-pressure Low-pressure High-pressure Low-pressure
- ø5/8
- ø3/4
- ø3/4
- ø3/4
- ø7/8
- ø7/8
- ø7/8
EP250 ø7/8
EP250 ø1-1/8
EP300 ø1-1/8
EP300 ø1-1/8
EP350 ø1-1/8
EP350 ø1-1/8
EP400 ø1-1/8
EP400 ø1-1/8
EP450 ø1-1/8
[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)
[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
g h
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)
Pipe A *
1
ø3/4 -
ø7/8 -
ø7/8 -
ø1-1/8 -
ø1-1/8 -
ø1-1/8 -
ø1-1/8 -
ø1-1/8 ø3/4
ø1-1/8 ø3/4
ø1-1/8 ø3/4
ø1-1/8 ø3/4
ø1-3/8 ø3/4
ø1-3/8 ø7/8
ø1-3/8 ø7/8
ø1-5/8 ø7/8
ø1-5/8 ø7/8
[mm (in)]
Liquid
ø9.52 (ø3/8)
ø9.52 (ø3/8)
ø12.7 (ø1/2)
ø12.7 (ø1/2)
ø15.88 (ø5/8)
[mm (in)]
Gas pipe
i j
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-25
Pipe A *
1 1
2
- -
- -
- -
- -
- -
- -
- -
ø7/8 ø3/4
ø7/8 ø3/4
ø7/8 ø3/4
ø1-1/8 ø3/4
ø1-1/8 ø3/4
ø1-1/8 ø3/4
ø1-1/8 ø7/8
ø1-1/8 ø7/8
ø1-1/8 ø7/8
[in]
-
-
-
-
-
-
-
ø7/8
ø7/8
ø7/8
ø7/8
ø1-1/8
ø1-1/8
ø1-1/8
ø1-1/8
ø1-1/8