Hitachi RAF-25NH5 Instructions De Service page 126

NSTALLAT ON
Height difference
RAM-80QH5
Height difference between indoor units
should be not more than 5m.
ndoor unit ndoor unit
Outdoor unit
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ndoor unit ndoor unit
(Within
±10m)
- 126 -
Piping length
RAM-80QH5
ndoor unit 1 ndoor unit 2
Outdoor unit
L
1
( L + L ) = ( L + L
1 2 3 4
Maximum piping length for one indoor unit is 25m.
* Additional charge of refrigerant is not required.
ndoor unit 3 ndoor unit 4
L L
L
2 4
3
) = Maximum 35m