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Table 2: Pump On/Off conditions
Status OK LED on OK LED off
Pump on
• Drip rate greater than 15 dpm
• O.K. relay contacts are closed
• Drip rate less than 15 dpm
• Total lack of oil (OIL LED on)
• O.K. relay contacts are open
Pump off
• Drip rate is equal to or greater than 2 dpm
• O.K. relay contacts are closed
• Total lack of oil (OIL LED on)
• O.K. relay contacts are open
6. Connect an external time-delay relay of approximately four minutes to the O.K. output. This is
necessary to extend the time needed for an OK indication during the transition from the pump-
off state to the pump-on state.
7. Connect the oil filter (supplied) to the oil tank (Figure 2).
Important: The oil filter is essential as it prevents blockage in the needle valve.
8. Connect the Dripmaster oil outlet (Figure 7 on page 18, and Figure 2) to the well shaft inlet by
means of flexible ¼-inch copper tubing.
Setting the Drip Rate
1. Set the dip switch settings for the Normal (pump on) mode using the drip rate setting toggle
switches. (see Setting Normal (pump on) Mode on page 16).
Note: There are 50 drops per 1 cc, and there are 3785.4 cc per gallon.
2. Replace both covers and tighten the eight cover screws so that the unit is watertight.