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ADDP Manual
START-UP
Once the hoses are connected and the system is receiving compressed air
(between 40 and 100 psi), fluid can be pumped. The rate of the pumping (cycle
rate of the DDP) can be adjusted by opening or closing the needle valve in
the air hose going from the pneumatic circuit to the DDP. If the flow rate is
low, the DDP cycling rate should be fairly low.
running fast and drawing the fluid down too far allowing air to enter into the
intake hose. This could cause a loss of suction temporarily until the DDP pulls
the fluid up the hose again. (See Figure 1)
The system will turn itself on and off automatically based upon the fluid level
change in the well or tank.
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QED Environmental Systems
Chapter 5: Start Up
This prevents the DDP from
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