20
Filter Pump
For 2-speed pumps: When a 2-speed pump is configured, one of the AUX relays must also be
configured to control the low speed motor winding on the pump. Refer to the appropriate sections in
the Installation manual for specific information regarding the control logic for 2-speed and variable
speed pump operation.
For the Hayward variable speed pump: The Filter relay is used to supply input power to the pump.
The relay will be on when the filter pump output is on. When the filter pump output is off, the relay will
be off. On , off and speed is controlled by commands sent to the pump.
Lowest Speed
This is the lowest speed that the variable speed pump is allowed to run at. It is used as the lower limit
in the Low Speed Settings Menu. Set lowest speed from 10% (default) to 50%.
Highest Speed
This is the highest speed that the variable speed pump is allowed to run at. It is used as the upper limit
in the High Speed Settings Menu. Also, this is the speed that the pump will run at during the first 3
minutes of operation anytime the pump has been off for more than 30 seconds. Set highest speed from
20% to 100% (default).
Flow Monitor
This feature will help protect the filter pump from damage due to no flow. When used with a Hayward
flow switch, the Aqua Plus 16v monitors the state of water flow when the filter pump is on. If no flow
is detected for more than 15 minutes, the Aqua Plus 16v will shut down the pool pump and the “Check
System” LED will indicate an error. The error will be cleared the next time the pump is turned on.
Freeze Protection
Freeze protection is used to protect the pool and plumbed equipment against freeze damage. If freeze
protection is enabled and the AIR temperature sensor falls below the freeze threshold (see below), the
Aqua Plus 16v will turn on the filter pump to circulate the water. If “Pool and Spa” is selected in the
Pool/Spa sub-menu (see page 18), the valves will also alternate between the pool and spa every 30
minutes and the filter pump will turn off while the valves are turning. The chlorinator will not operate
if freeze protection is the only reason the pump is running.
Freeze Protection Speed
This menu only appears if freeze protection is enabled and the pump is configured for 2-speed or
variable speed pump operation. If the pump turns on due to freeze protection only, the pump will run
at this speed.
2-Speed pumps: Select high (default) or low speed operation.
Variable Speed pumps: Select the desired speed (from Filter Lowest to Filter Highest speed).
Freeze Protection Temperature
Select the temperature to be used for freeze protection. Temperature is adjustable from 33ºF-42ºF (1ºC-
6ºC). 38ºF (3ºC) is default. This threshold will be used for all outputs that have freeze protection
enabled.
External Input Interlock
When enabled, the filter pump will be forced off when the external input is active. Note that freeze
protection will have precedence over this feature.
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Aux1 Name
The Aqua Plus 16v allows you to assign any one of a number of names (e.g. “Cleaner Pump, Waterfall,
Gazebo Light, etc.) to each of the aux outputs control function. This will make the Aqua Plus 16v much
more user friendly to the homeowner when they want to turn various aux equipment on or off or
program the timeclocks. A sheet of small name labels is included with the Aqua Plus 16v main unit and
each remote display/keypad so that the “Aux” pushbutton can be labeled the same as the name that
you have assigned. At this time it is also a good idea to make sure that the relay in the control box is
also labeled (hand written) with the same name as a help to technicians who may service this system
at a later date.
Aux1 Function
Manual On/Off (default)
—the aux relay will alternate between turning on and off when the aux button
is pressed. There is no automatic control logic.
Countdown Timer
– the aux relay will turn on when the AUX button is pressed and then will turn off
automatically after a programmed time (see Timers Menu in the Operations Manual). The AUX button
can also be used to turn the output off.
Low Speed of a 2-speed Filter Pump
– the Aqua Plus 16v will operate the aux relay whenever the low
speed operation of the filter pump is required. It is very important that the “2-speed” filter pump
option be selected under the “Filter Config.” Menu for proper operation.
Timeclock
– the aux relay will turn-on and turn-off at the times set for the aux timeclock in the Timers
Menu (see Operations Manual). The AUX button can also be used to turn the output on and off.
Solar
– the aux relay operates a solar booster pump which will turn on when the filter pump is running
and solar heat is available and the water is less than the desired temperature setting. It is important to
note that “Solar” must be enabled in the “Solar Config.” menu for proper operation to occur.
Low Speed of a 2-Speed Spa Filter Pump
– the Aqua Plus 16v will turn on the aux relay whenever the
low speed operation of the Dual Equipment Spa filter pump is required. “Pool and Spa-Dual” (located
in Pool/Spa Setup menu) and “2-Speed” (located in Spa Filter Config. menu) must be selected for
proper operation.
Group
– the aux relay operates when the Group function is initiated and shuts off when the Group
function is terminated. See Aux1 Group section for operation information for the Group function.
Super Chlorinate
– The Super Chlorinate function can be assigned to any Aux, Lights or Valve
button. This allows the user to simply hit a button to start a Super Chlorinate cycle, rather than using
the Settings Menu. Note that only one button can me assigned to this function.
pH Dispense
– When Chemistry Sensing is enabled and pH Reduction Control is NOT disabled, the
Aqua Plus 16v will turn on the Aux relay when there is a need to energize the pH dispensing device.
The pH Dispense function can be assigned to any Aux or the Lights output. Once programmed for pH
Dispense, the Aux button will have no function. Requires the use of the AQL-CHEM sensing kit.
Aux1 Relay
This feature allows the user to select either “Standard” (default), “Dimmer”, “ColorLogic” or “VSP”
type relay for the Aux1 output. The optional AQL-DIM dimmer kit must be installed if “Dimmer” is
desired. The AQL-COLOR-MODHV ColorLogic Network Module must be installed if “ColorLogic” is
desired.
When “Dimmer” is selected, and the Aux1 output is manually turned on, the “+” and “-” buttons
adjust the level from 20% to 100% (default). The level is saved for the next time the aux1 output is
turned from off to on.
If “ColorLogic” is selected (Network Module must be detected at startup for this option to appear),
additional menus will prompt you for configuration information. Refer to the AQL-COLOR-MODHV
manual for details on how to configure an Aux output for use with Generation 3 or later ColorLogic
lights.
If “VSP” is selected, the Aux relay is used to supply power to a Hayward Variable Speed Pump (VSP).
The relay will be on when the Aux output is on and off when the output is off. On, off and speed are
controlled by commands sent to the VSP. Note: Up to 6 Lights/Aux outputs can be configured as VSP
relays.
Aux1 Interlock
If “Enabled”, this feature will override the function (Manual On/Off, Countdown Timer, Timeclock),
selected above and turn the aux1 off when: filter pump is off, first 3 minutes of filter pump operation
(allows the pump to prime and get water flowing), when the pool/spa suction return valves are in any
