Hitachi RAS-20CNHZ2 - Page 10

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INSTALLATION
HEIGHT DIFFERENCE
Height difference between indoor units should not be more than 5m.
PIPING LENGTH
(L1 + L2) = Maximum 35m
Maximum piping length for one indoor unit is 25m.
TWO
UNITS
~20m add 0g
~25m add 25g
~30m add 50g
~35m add 75g
Additional R-22
2.5+2.5
2.5+3.2
3.2+3.2
0g
0g
(Within ±10 m)
Indoor unit 1
Indoor unit 2
Maximum 5 m
Outdoor unit
L2 L1
Indoor unit 1Indoor unit 2
Outdoor unit