WARNING
NEVER attempt to assemble,
disassemble or adjust the filter when
there is pressurized air in the system.
Starting the pump while there is any
pressurized air in the system can
cause product failure or also cause
the filter lid to be blown off, which can
cause death, serious personal injury
or property damage.
Table 3.
Valve Positions for Diverter Valve
Position
FILTER
Normal filtration and vacuuming.
BACKWASH
Cleaning filter by reversing the
flow.
RINSE
Used after backwash to flush dirt
from the valve.
WASTE
Bypasses filter; used for
vacuuming waste or lowering
water level.
RECIRCULATE
Bypasses filter for circulating
water to the pool.
CLOSED
Shuts off all flow to the filter and
pool.
Section 5. Filter Disassembly
and Assembly
5.1
Filter Tank Disassemby/Assembly
1.
Backwash filter according to the instructions in
Section 6.2.
NOTE
Omit this step when first starting a new filter.
2.
Turn off the pump. Switch off the circuit breaker
to the pump motor.
IMPORTANT: Completely open air release
3.
valve on top of the filter tank to release all
pressure from inside the tank and system.
4.
If the equipment is installed below water level,
close the filter isolation valves on the system to
prevent flooding.
5.
Close the filter isolation valves on the system to
prevent flooding. Remove the drain plug located at the
bottom of the filter tank and allow the tank to drain.
6.
Remove the tank clamp ring from the filter and
remove the tank lid. Inspect the tank o-ring for
cracks or tears and replace if necessary
7.
Pull the DE filter grid assembly out of the filter
tank bottom. Use the handles molded into the
manifold to aid lifting.
|
Jandy
DE Pool Filters
Installation & Operation Manual
®
Function
8.
While the DE filter grid assembly is out of the
filter tank, rinse the inside of the tank with water.
Replace drain plug.
9.
Gently rinse the grids with water. After cleaning
the filter grids, place the grid assembly back into
the filter tank bottom. See Sections 6.4 and 6.5 for
further grid cleaning instructions.
10.
Replace the tank o-ring and tank lid.
11.
Reinstall the tank clamp ring. See Section 3.5 for
tank clamp ring installation.
12.
If applicable, open the valves closed in step 4.
5.2
Filter Grid Disassembly/Assembly
1.
Remove the complete grid assembly by following
the instructions in Section 5.1, steps 2-6.
2.
Remove the manifold by first unscrewing the tie
rod knob in the center of the manifold. Then lift
the manifold assembly off of the grids and the
outlet tube.
3.
Remove the top spacer from the grids.
4.
The individual filter grids can now be removed
from the grid support. Use care to avoid damaging
the grids.
5.
See Figure 8 for the arrangement of filter grids in
the filter grid assembly.
6.
To reassemble the filter grid assembly, arrange the
filter grids into position on the bottom plate, see
Fig. 9. Use the plastic top spacer to hold the grids
in place.
OUTLET
PIPE WITH
O-RING
DEL
FILTER
GRID,
SHORT
SPAN
Figure 9.
Filter Grid Arrangement
7.
Inspect the o-ring at the top of the outlet tube for
cracks or excessive wear. Replace if necessary.
8.
Assemble the manifold to the top of the assembly.
Make sure that the grids and outlet tube fit
securely into the manifold and that the retaining
rod extends up through the hole in the center of
the manifold.
Page 11
ENGLISH
BOTTOM PLATE
DEL FILTER GRID
(7 REQUIRED)