Mitsubishi Electric PURY-P200YHM-A(-BS) Manuel D'installation page 5

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[Fig. 9.2.2]
A
B
<A> The piping from the outdoor units to twinning pipe must be made to slope
downwards the twinning pipe. (high-pressure side only)
<B> Slope of twinning pipe (high pressure side only)
E
<C> Pipe connection example
F
H
C
D
C
D
D
G
I
J
K
9.2
A : Downward slope
B : Upward slope
C : BC controller (standard or main)
D : Twinning pipe
E : Slope of the twinning pipe is at an angle within ±15° to the ground
F : Twinning pipe (low-pressure side)
G : Twinning pipe (high-pressure side)
H : On-site piping (low-pressure connecting pipe: between outdoor units)
I : On-site piping (low-pressure main pipe: to BC controller)
J : On-site piping (high-pressure main pipe: to BC controller)
K: Straight run of pipe that is 500 mm or more
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