Replacing The Nature 2 Purifier Cartridge; Winterizing Your Pool - Zodiac Pool Systems PG Operating Manual

Replacing the Nature 2
Purifier Cartridge
Use the month indicator ring (M) on the top of the unit to identify the date on
which the cartridge should be replaced.
A cartridge lasts six months from the date of installation under normal operating
conditions.
To replace the cartridge:
1 Shut off your pool's pump and filter.
2 Close any valves between the filter and pool to prevent draining the pool.
3 Unscrew the locking ring (A) by twisting counterclockwise until the ring is
free of the housing base.
4 Lift out the old cartridge and, if necessary, lubricate the O-ring (B).
Important: Use only a silicone-based, high viscosity grease. Do not use a
petroleum-based because it will damage it will damage the Nature 2 Purifier and
invalidate warranty.
5 Insert the new cartridge.
6 Set the cap and locking ring in place and screw the ring clockwise until it
is snug. Do not overtighten.
7 Position the month indicator ring (M) on the cap so that the current
month is visible in the installation window.
8 Open any valves that were closed to isolate the Nature 2 Purifier.
9 Restart your pool's pump. Check for leaks and fix any leaking fittings.
10 Follow the start up procedures described on page 3.

Winterizing Your Pool

Use these steps as a guide. Consult your dealer for specific information on your area.
Warm Climate
1 Reduce the number of hours the pump runs since the cooler weather
decreases the spread of algae and other pollutants.
2 There is no need to shock the pool during cool weather unless the water
becomes cloudy (as may occur after a winter storm). See Cloudy Water in
Troubleshooting section.
Cold Climate
1 Check total alkalinity and pH of pool to make sure that they are in
proper balance.
2 Vacuum the pool bottom to remove any debris or other potential contaminants.
3 Shock the pool to clear the water.
4 Add a winter algaecide following manufacturer's instructions.
Important: Do not use a winter algaecide with copper in it. This will void the
Nature 2 no-stain warranty.
5 Backwash the filter.
6 Drain part of the pool water. The amount to drain varies from one part of
the country to another. Consult your dealer for advice.
7 Winterize the purifier as follows:
• Unscrew the locking ring (A) and remove cap from the purifier base.
• Remove the winter drain plug (E) and drain the water completely out of the base
of the purifier.
• Lift out the purifier cartridge and dispose of it.
• Set the cap O-ring (B), the cap and locking ring in place and screw it tight.
• Store the purifier with your pool equipment, indoors if possible.
8 Winterize the pipes with pool antifreeze following manufacturer's instructions.
9 Drain the water out of all equipment (pump, filter, etc.).
10 Store all baskets, hoses and cleaning equipment, indoors if possible.
11 Cover the pool with a winter cover.
Reference
Letter Part
A Cap
B Cap O-ring
C Cartridge
D Housing
E Winter Drain
F Inlet Port
G Inlet O-ring
H Flow Control
I Outlet O-ring
J Outlet Port
K Month Indicator Ring
Part No.
26-0122
17-0061
see front page
26-0100
17-0021
26-0108
17-0035
17-0050
17-0040
26-0107
26-0112
5