Refrigeration Cycle - Hitachi CH-Box Installation Manual

2.2 Refrigeration Cycle
CH-AP04MSSX
JCH-AP04MSSX
G (High/Low Pressure)
G (Low Pressure)
L
2
1
S S
1
S S
L L
G G
Unit D Unit C
CH-AP12MSSX
JCH-AP12MSSX
G (High/Low Pressure)
G (Low Pressure)
L
2
S S
1
S S S
2
L L
G G G
Unit L Unit K Unit J
Mark
Electronic Expansion Valve
1
2 Strainer
4
To Outdoor Unit Side
1
S S
2
L L
G G
Unit B Unit A
To Indoor Unit Side
To Outdoor Unit Side
S S S S
L L L L
G G G G
Unit I Unit H Unit G Unit F
To Indoor Unit Side
Part Name
Figure 2.4 Refrigeration Cycle Diagram
CH-AP08MSSX
JCH-AP08MSSX
G (High/Low Pressure)
G (Low Pressure)
L
2
S S
1
S S
2
L L
G G
Unit H Unit G
S S S S
L L L L
G G G G
Unit E Unit D Unit C Unit B
To Outdoor Unit Side
S S S S
L L L L
G G G G
Unit F Unit E Unit D Unit C
To Indoor Unit Side
S
L L
G
Unit A
G
: Refrigerant Gas Pipe Connection
L
: Refrigerant Liquid Pipe Connection
: Field Refrigerant Piping
: Flare Connection
: Brazing Connection
: CH-Box
S S
L L
G G
Unit B Unit A
P5417025-rev.1