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△ Allow room for operation and maintenance as well as unrestricted air flow around the unit. (See b)
△ Install the unit within the maximum elevation difference (H) above or below the outdoor unit and
within a total tubing length (L) from the outdoor unit as detailed (See table 1 and c)
table 1
Additional
Refrigerant
(g/m)
* If total tubing length becomes 7.5 to 15 m (max.), charge additional refrigerant as the table1 for
reference. And no additional compressor oil is necessary.
Outdoor unit
Avoid:
△ Heat sources, exhaust fans, etc.
△ Damp, humid or uneven locations.
DO:
△ Choose a place as cool as possible.
△ Choose a place that is well ventilated.
△ Allow enough room around the unit for air intake or exhaust and possible maintenance. (see a1,
b1 & c1)
△ Provide a solid base (level concrete pad, concrete block, 10 × 40 cm beams or equal), a minimum
of 10 cm above ground level to reduce humidity and protect the unit against possible water damage
and decreased service life.
△ Install cushion rubber under unit’s feet to reduce vibration and noise.