Bubble‐Up® Jr Interactive™ Radon Removal System
8. Remove the manifold by disconnecting it from the bypass valve and removing the mounting screw located
behind the meter control.
9. Undo the 8 screws around the large circular top cover. Carefully remove the cover, with the attached internal
tank. Now you can clean the inside of the tank.
10. Pump or siphon the water out of the tank.
11. Vacuum out any remaining water with a wet/dry vacuum.
12. Wash down the inside of the tank. This may require some scrubbing. If a layer of minerals has collected at the
bottom of the tank, remove this layer. If the mineral layer includes a rusty material, you may have to use a
reducing chemical to dissolve and neutralize the rust.
13. As a final step, sanitize the inside of the tank using a dilute solution of chlorine bleach. Rinse, then vacuum out
any remaining water.
14. Re‐install the circular top cover with the internal tank and air‐water coupling. Check the gasket to make sure it is
properly sealed. Replace the gasket if necessary.
15. Reconnect the water supply line to the air‐water coupling below the blower.
16. Disinfect the unit. (Pour one ounce of bleach into the blower attachment nipple.)
17. Install the blower. Firmly slip the blower onto the blower attachment nipple and tighten clamp.
18. Set the bypass valve to the Service position
19. Restart the unit. Follow the instructions in the "Start up Procedure."
20. Check all seals to ensure they are air or water tight.
Removing the Pump and Low Water Float:
1. Unplug both power cords to the unit. Set the bypass valve to the Bypass position.
2. Remove piping on top of mechanical pump control and unscrew 1" union located under the mechanical pump
control.
3. Unplug and remove the pump control.
4. Unplug the piggy back float switch cord from the duplex outlet box on the Bubble‐Up® Jr Interactive™.
5. Loosen the 4 nuts on the pump access seal. See figure 6. Do not remove the top nuts so that the bolts do not
fall into Bubble‐Up® Jr Interactive™ main water tank. Note that the direction of the float switch cord is towards
the air‐water coupling so that it can be re‐installed in the same position.
6. Lift the pump access seal off of the main water tank. This may require prying with a flat screwdriver or two.
7. Lift and pull out fill float switch and then pump from the main water tank. See Figure 10.
8. Retrieve low‐water float and high water alarm float through the pump access hole.
Troubleshooting for Bubble‐Up Mechanical Pump Controller
Low‐Water Pump Cut‐out
A low water float switch is used to turn off the pump to protect it from running dry. The pump will automatically restart
when water level returns to normal. If the water alarm valve or solenoid is stuck closed, incoming water will not be
allowed to enter the Bubble‐Up® Jr Interactive™ main tank. This will cause the tank to empty and the low water float to
turn off the pump to protect it from running dry. If the well pump fails there will be no water entering the main tank of
the Bubble‐Up® Jr Interactive™ also causing the low water float to turn off the pump to protect it from running dry.
No Water from the Bubble Up (no alarm is sounding)
Cause: Low water float switch shut off Bubble‐Up® Jr pump.
Example: The Bubble Up Interactive includes a low water float switch to stop the Bubble‐Up® Jr pump from delivering
water flow to the house when the water level in the Bubble Up tank is too low. This protects the pump from running dry.
This float switch will automatically restart the Bubble Up pump once water level rises to normal levels.
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