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NEVER start pump while standing within five (5)
feet of the filter. Starting the pump while there is
pressurized air in the system can cause the filter
lid to be blown off, which can cause death,
serious personal injury or property damage.
NEVER operate the filter system at more than
50 psi of pressure. Starting the pump while there
is pressurized air in the system can cause the
filter lid to be blown off, which can cause death,
serious personal injury or property damage.
Changing the multiport valve handle while there
is pressurized air in the system can cause the
filter lid to be blown off, which can cause death,
serious personal injury or property damage.
Dust released during normal handling of
diatomaceous earth can cause eye and respiratory
irritation.
Prolonged
concentrations of dust may cause lung damage.
Never operate filter in excess of three (3)
minutes without use of diatomaceous earth
(DE). DE is the substance that filters the water,
the filter cloth merely supports the DE. Operat-
ing without DE will damage filter grids and
shorten filtering cycles.
DO NOT operate filter at water temperatures
above 120° F (65.5° C). Water temperatures
above the manufacturer's recommendations will
shorten the life span of the filter, and void the
warranty.
7
SECTION 3. Installation Instructions
WARNING
WARNING
WARNING
CAUTION
breathing
of
excess
CAUTION
CAUTION
SECTION 4.
Start-Up and Operation
4.1 Preparing Diatomaceous Earth
Your filter requires diatomaceous earth (DE) for proper
filtration and operation. The filter grids must be
precoated with DE in order to protect their surfaces
and provide the most efficient filtering action. Refer to
Table 3 for the proper quantity of DE to use with your
filter.
1. Using a one (1) pound coffee can, fill the can with
diatomaceous earth (DE). Do not pack or compress the
DE into the can.
2. Mix the required amount of DE with sufficient water
in a separate bucket to make a thin, milky mixture
(slurry). Note: Excess DE will clog the system. Use
amount specified in this manual.
Table 3. DE Slurry Mixture
Model
DE Quantity
Number
(lbs.) (kg.)
DEL48
5.0
2.0
DEL60
6.0
2.7
3. Use the following instructions to coat the filter
grids.
4.2 Coating the Filter Grids
1. Prepare recommended amount of DE as outlined in
Section 4.1.
2. Start the filter system as outlined in Section 4.3.
3. With the pump running and the pool skimmer valve
open, slowly pour the mixture directly into the pool's
skimmer basket. The slurry will be drawn into the filter.
4. After coating of grids, rotate the bezel of the
pressure gauge so that the arrow next to the word
"CLEAN" is aligned with the needle of the gauge. This
marks the original starting pressure of the system.
5. Clean the filter when the pressure of the system
increases so that needle of the gauge aligns with the
arrow next to the word "DIRTY" on the bezel of the
gauge. This indicates an increased pressure of
between 10 and 12 psi above original starting pressure.
No. of 1 lb.
coffee cans
10
12