Specifications

7
the cover at the bottom, towards the back. Spread the sides
apart slightly and lift off. Figure 7.
Figure 7
2. Disconnect power to the control by unplugging the wall
transformer or removing the power wire from the bottom
of the control.
3. Turn off the water supply and place the bypass valve(s)
in the “not in bypass” position.
4. Press down on the top of the drive gear to disengage the
cam gear, Figue 8.
Figure 8
5. With the cam gear disengaged, rotate the cam gear
counterclockwise to the Backwash position,
Figure 9.
Figure 9
6. Open the water supply valve very slowly to
approximately the 1/4-open position, and slowly fill the
resin tank with water.
Note: If the water supply valve is opened too rapidly or too
far, resin may be lost. In the BACKWASH position, you
should hear air escaping slowly from the drain line.
7. When all the air is purged from the resin tank (water
begins to flow steadily into the drain), slowly open the
main supply valve all the way. Allow the water to run
into the drain until clear. Turn off the water supply and
wait for about five minutes to allow all trapped air to
escape from the tank. Open the water supply valve
slowly to the full open position.
8. Press down on the top of the drive gear to disengage the
cam gear, Figure 8.
9. With the cam gear disengaged, rotate the cam gear
counterclockwise to just before the Service position,
Figure 9. Connect power to the control and allow the
motor to drive the cam gear to the Service position.
When the cam gear reaches the Service position, the
motor will stop.
Checking the Brine Draw and Refill Functions
1. Disconnect power to the control by unplugging the wall
transformer or unplugging the power cord from the bottom
of the control.
2. Press down on the top of the drive gear to disengage the
cam gear. Figure 8.
3. With the cam gear disengaged, rotate the cam gear
counterclockwise to the Refill position until the air
check, Figure 10, fills with water, and water flows
through the brine line into the brine tank. Do not run for
more than three minutes.
4. Press down on the drive gear, and rotate the cam gear
counterclockwise to the Draw/Rinse position. Check that
water is being drawn from the brine tank. The water level
in the brine tank will recede very slowly. Observe the
water level for at least one minute. If the water level does