Piping Size Between Outdoor Units (4 Unit Combination) - Hitachi AIR365 Series Installation And Maintenance Manual

5. Refrigerant Piping Work

5.5.4 Piping Size between Outdoor Units (4 Unit Combination)

< Heat Pump >
•
Standard Type: RAS-880 to H12HNCCLW
•
High Efficiency Type: RAS-680 to 880HNCBLW
< Heat Recovery >
•
Standard Type: RAS-880 to H12RNCCLW
(Indoor Unit on Left Side)
Piping
Connection
Kit 1
b
a
To Indoor Units
(Indoor Unit on Right Side)
Outdoor Unit D
g
Piping Connection Kit 3
53
Outdoor Unit A
d
Piping Connection Kit 2
Outdoor Unit C
e
f
c
Outdoor Unit B Outdoor Unit C
e
c
Piping Connection Kit 3
Outdoor Unit B
d
Piping Connection Kit 2
Outdoor Unit D
g
f
Outdoor Unit A
Piping
Connection
Kit 1
b
a
To Indoor Units
A16381Z84L-rev.1