Hitachi RAC-18WED Service Manual page 19

CONSTRUCTION AND DIMENSIONAL DIAGRAM
MODEL RAC-18WED,RAC-25WED,RAC-35WED
OUTDOOR UNIT
660 60 3 5 2 7 8 20
Air outlet
34 50
500
81
Drain hole
More than
660
720
NOTE:
1.For outdoor unit installation , allow at least 2 sides of space around the unit ensure ventilation flue.
2.The connecting pipe , should all the insulated with insulation pipe.
3.Piping length is within 20m.
4.Height d fferent of the piping between the indoor unit and outdoor unit s ould be within 10m. i h
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