50 PB
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
1. Above data is assuming that the height difference between indoor unit and outdoor unit is 0ft/0m.
2. Be sure to minimize length of connection pipes to optimiz e 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.
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