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Install an air eliminator at any high point in the water piping. Air trapped in the water circuit
of the dehumidifier can lead to elevated operating pressures, unexpected service calls, and
decreased equipment life.
If the water system is connected to a variable frequency drive or to water loops with multiple
units, flow regulating valves should be installed to ensure flow rate is maintained.
Do not exceed these guidelines as excessive flow rates will erode the condenser and piping.
Aura™ Products Flow Rate
The flow rate and antifreeze concentration (if used) will depend on the application. Please refer
to Figure 4 and 5 for the required flow rate and temperature limits for the given application and
unit type. If the application deviates from these conditions, please contact Desert Aire Service
at 262-946-7400 for further review.
Unit Size
(Nom. Tons)
Fluid Flow Rate
(GPM)
8
24
10
30
12
36
15
45
20
60
25
75
30
90
Figure 4- Aura™ Q-Pump Water Flow Rates
Fluid Pressure Drop
(psig)
4.0
5.6
4.1
3.6
3.4
6.4
4.0
Desert Aire - QS/QV Manual
17
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