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116
CORRECTION FACTORS
Piping Length Factor Chart
The correction factor of height between each indoor unit and outdoor unit
NOT E :
To ensure correct unit selec tion, co nsider the farthest indoo r unit.
16ft(5m)
32.8ft( 10m) 49ft(15m) 66ft(20m ) 82ft(25m)
98ft(30m )
1.0 0.95 0.88 0.8 0.75
0.7
2. Be sure to minimize length of connection pipes to optimize performance. If the outdoor unit is
installed higher or lower than the indoor unit, it is necessary to apply height correction factor
additionally to length correction factor to calculat e cooling/heating.
If outdoor unit is higher, correction should be applie d to cooling capacity, if outdoor unit is lower,
correction should be applied to heatin g capacity.
The above data reflects that the minimum height requirements have been meet or exceeded
during the installation. The
height difference between the indoor and outdoor unit is based
at 0ft/0m. Using reference chart above to calculate proper unit capacity.
1.
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