Hitachi CH-Box - Refrigeration Cycle

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Unit D

Unit C Unit B Unit A

SSSS

<MVD4>

<MVS4>

<MVD3>

<MVS3>

<MVD2>

<MVS2>

<MVD1>

<MVS1>

G (High/Low Pressure)

G (Low Pressure)

Unit H

SSSSSSSS

G (High/Low Pressure)

G (Low Pressure)

<MVS1>

<MVD1>

<MVS2>

<MVD2>

<MVS3>

<MVD3>

<MVS4>

<MVD4>

<MVS1>

<MVD1>

<MVS2>

<MVD2>

<MVS3>

<MVD3>

<MVS4>

<MVD4>

Unit G

Unit F

Unit E

Unit D

Unit C

Unit B

Unit A

To Indoor Unit Side

To Indoor Unit Side To Indoor Unit Side

To Outdoor Unit Side

CH-AP04MSSX

JCH-AP04MSSX

CH-AP12MSSX

JCH-AP12MSSX

CH-AP08MSSX

JCH-AP08MSSX

To Outdoor Unit Side

Unit L Unit K Unit J Unit I Unit H Unit G Unit F Unit E Unit D Unit C Unit B Unit A

SSSSSSSSSSS

G (High/Low Pressure)

G (Low Pressure)

<MVS1>

<MVD1>

<MVS2>

<MVD2>

<MVS3>

<MVD3>

<MVS4>

<MVD4>

<MVS1>

<MVD1>

<MVS2>

<MVD2>

<MVS3>

<MVD3>

<MVS4>

<MVD4>

<MVS1>

<MVD1>

<MVS2>

<MVD2>

<MVS3>

<MVD3>

<MVS4>

<MVD4>

: Refrigerant Gas Pipe Connection

: Refrigerant Liquid Pipe Connection

: Field Refrigerant Piping

: Flare Connection

: Brazing Connection

: CH-Box

P5417025-rev.1

Mark PartName

ElectronicExpansionValve

Strainer

2.2 RefrigerationCycle

Figure2.4RefrigerationCycleDiagram

Hitachi CH-Box - Refrigeration Cycle

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