Flow Switch
The 15 ft flow switch cable plugs into the flow switch connector shown on page 14. Ensure that the
connector catch “snaps” into place in order to provide a reliable connection.
TurboCell (HLPRO4NSW only)
If used, the TurboCell should be plugged in AFTER the OmniPL cover panel is installed. Refer to page
14 for the location of the chlorinator cell connector.
HLRELAY
The HLRELAY is a single high voltage relay designed to be mounted in the #9 and/or #10 positions
near the four on-board relays (see page 14). After installing the HLRELAY, a wire connection must
be made at the OmniPL Main Board. At startup, the OmniPL will detect the HLRELAY and allow the
user to configure the additional relay(s) in the Configuration Wizard. Refer to the HLRELAY manual
for installation and wiring instructions.
Preparing Pool/Spa Water
Salt Chlorination (HLPRO4NSW only)
When used with an optional Hayward TurboCell and P-KIT, the OmniPL can generate all the chlorine
needs for pools up to 40,000 gallons (150,000 liters), or the needs of most commercial pools up to
25,000 gallons (95,000 liters). If enabled (see Configuration Wizard), this operation requires a low
concentration of salt (sodium chloride) in the pool/spa water. The OmniPL automatically converts
salt into free chlorine which kills bacteria and algae in the pool/spa. Chlorine will revert back to so-
dium chloride after killing bacteria. These reactions will continuously recycle, virtually eliminating the
need to add sanitizing chemicals to your pool/spa. The only time you may need to add more salt to
the pool/spa is when water is replenished due to backwashing, draining, or splashing (not evapora-
tion). The actual amount of chlorination required to properly sanitize a pool varies due to bather load,
rainfall, temperature, and the pool’s cleanliness.
General Water Chemistry
Salt is required only if you are using the chlo-
rinator features on the OmniPL (HLPRO4NSW
only). If you are NOT using the chlorinator, it is
recommended that you follow all of the other
chemistry recommendations besides salt.
Water Chemistry
This table summarizes the levels that are rec-
ommended by the Association of Pool and Spa
Professionals (APSP). The only special require-
ments for the OmniPL are the salt level and
stabilizer.
USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
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