Specifications
4
Lights, Aux1 and Aux2 Outputs
Standard Relay: Manual operation of all 3 relays is identical. Assuming that the relay is currently off,
simply press the appropriate button to turn on the relay. If the relay does not turn on, it probably is due to
the “interlock” feature (which was set up in the Configuration Menu) being activated that requires the filter
pump to be running and the valves to be in the pool-only position. This protects pumps and other equip-
ment from possible damage. If the controlled output is on, pressing the appropriate button again will turn
off the relay. Manual turn off is disabled if the “Freeze Protection” feature is enabled and the air tempera-
ture is less than the selected freeze temperature threshold.
Dimmer Relay: If Lights or an Aux output is configured as a dimmer, pressing the corresponding button
will generate a temporary display which shows the dimmer output level (Off - On 100%). Pushing the “+”
or “-” button changes the level in increments of 20%. When the desired output level is displayed, press the
corresponding button again to turn off the display and return to normal operation. When the Lights or Aux
output comes on again (either manually or automatically), the dimmer output level will be the same as the
last time that it was set.
Pool/Spa Valves
Pool-only or spa-only systems: The POOL/SPA button has no function.
Pool and Spa systems without spa spillover: In pool-only mode, the left LED next to the POOL/SPA
button is illuminated. Pressing the POOL/SPA button will switch the AQL-P-4 to spa-only operation
(right LED illuminated). Pressing the POOL/SPA button again will switch back to pool-only. Note that
the filter pump will turn off while the pool/spa valves are turning.
Pool and Spa systems with spa spillover: In pool-only mode, the left LED next to the POOL/SPA
button is illuminated. Pressing the POOL/SPA button will switch the AQL-P-4 to spa-only operation
(right LED illuminated). Pressing the POOL/SPA button again will switch to spa spillover operation (both
LED’s illuminated). Pressing the POOL/SPA button again will switch back to pool-only. Note that the
filter pump will turn off while the pool/spa valves are turning.
Service
The main unit keypad has a SERVICE key. This button is used primarily during servicing of the pool
equipment. If you want to completely disable the automatic operation and operate the system manually,
you can put the system into Service or Service-Timed mode by pressing the SERVICE button. Pressing
the SERVICE button once will switch the system into service mode which means that all automatic func-
tions are disabled, and the remote display/keypads are disabled (except for manual turn off for emergen-
cies). The red SERVICE LED will be illuminated and the Aqua Logic will remain in this mode of operation
until manually taken out of service mode.
Pressing the SERVICE button again will cause the Aqua Logic to switch to service-timed mode which is
very similar to service mode, except that the Aqua Logic will automatically return to normal operation after
3 hours. During service timed operation, the “Service” LED will flash and the time remaining will be
displayed on the remote display/keypad(s).
Pressing the SERVICE button again, will return the Aqua Logic to normal (automatic) operation. See
Troubleshooting/Diagnostic Information (page 30) for more information about the service modes.
31
Check System Indicator
The “CHECK SYSTEM” LED will alert you when the Aqua Logic detects any of the following conditions
that are abnormal and require attention for optimal operation of your pool.
• Inspect Cell -- for optimum operation, you will need to inspect the Aqua Logic chlorinator cell ap-
proximately every 3 months and clean the cell if necessary. The Aqua Logic will automatically remind
you when it is time and display “Inspect Cell, + to reset” as part of the rotating Default Menu. Clean the
cell (see instructions, page 29) and then press the “+” button during the “Inspect Cell” display to reset
the timer.
• Low Salt/Minerals or Very Low Salt/Minerals -- when the salt is too low the Aqua Logic will
generate less chlorine and the life of the cell is degraded. Check the cell and clean if necessary (see
instructions, page 29) before adding salt (see instructions, page 26).
• High Salt/Amps/Minerals -- the Aqua Logic will stop generating chlorine under certain high salt
conditions in order to protect the internal electronics from damage. The only way to lower the salt level
is to partially drain the pool and add fresh water.
• Water Sensor -- if the water sensor is either an open or short circuit.
• Air sensor -- if the freeze protection feature is enabled (Configuration Menu/ Filter Config.) and the air
sensor is either an open or short circuit.
• Solar Sensor -- if the solar sensor is either an open or short circuit.
• Chlorinator Cell Sensor -- if the chlorinator function is enabled (Configuration Menu/Chlorinator)
and the cell sensor is either an open or short circuit.
• Low Volts -- if the chlorinator cell voltage is too low.
• No Cell Power -- if no chlorinator cell power is detected on the printed circuit board.
• Check Flow Switch -- if the flow switch input is invalid.
• Cell Power Error -- if a chlorinator cell power error is detected on the printed circuit board.
• Cell Missing -- if the chlorinator is enabled but no cell is detected.
For helpful troubleshooting information on any of these issues, go to the Diagnostic Menu and then scroll
through the various items until you see the cause for the “CHECK SYSTEM” LED being illuminated.