P9 MAINTAINING YOUR FILTER
4.4.4 VACUUMING POOL
Vacuuming can be performed directly into the filter whenever needed.
Clean cartridges after vacuuming if required.
4.5 REMOVING THE AIR RELIEF VALVE
The filter comes with a preinstalled manual air relief valve. Ser vicing the Air Relief Valve should be carried out by
pool professionals only by carefully following the instructions:
1. Turn off all system circulation pumps and all-electric power on the equipment pad.
2. Set all system valves in a position to prevent water from flowing to the filter.
3. The air relief valve must be placed in the OPEN position.
4. Wait until all water leakage has stopped.
5. Grasp the handle at the top of the upper filter body, turn counterclockwise until the Relief valve unit is aligned
with the “UNLOCK” position on the upper filter body and make sure the unit is completely loosened and lift
out.
6. Pull straight up to remove the relief valve and handle.
4.5.1 RE-INSTALLATION OF THE AIR RELIEF VALVE.
1. Check the condition of the O-ring, replace it as necessar y
2. With a clean cloth, wipe the upper filter body and O-ring groove. Remove all dirt and debris.
3. Making sure the stopper of the flange is in the open position.
4. Verify the Air relief valve discharge points away from all electrical connections.
Figure 8
Air relief valve
Unlock direction
indicator
Holder
Pressure gauge
Air relief valve
Pressure gauge
O ring
Relief stopper
Flange stopper
Figure 9
