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SunTouch Pool and Spa Control System Installation and User’s Guide
Circuit Functions Menu (10/13)
Assigning Circuit Functions
From the Circuit Functions menu you can assign special logic to the auxiliary relay circuits AUX 1 and
AUX 2. For example, when setting up an automatic pool cleaner pump, you could assign AUX 1 the circuit
function FLOOR CLEANER. With this "Cleaner" logic the cleaner pump would force the filter pump on, and
the cleaner pump would start after a delay of five minutes. The cleaner pump would automatically shut off
whenever the spa and/or solar is switched on.
Using AUX 3 circuit: The AUX 3 connector on the SunTouch motherboard cannot be connected to a
dedicated relay, however, it can be used as an extra assignment to control pump speeds or valve actuators. For
example, AUX 3 can be assigned to control the high speed function of a 2-Speed pump or one of the four
speeds of the IntelliFlo 4x160 pump. The pump speed control can be selected/activated via a scheduled
program or switched on/off manually. Also, If VLV C is not enabled for solar, an additional pump could be
connected to VLV C for a waterfall feature and AUX 3 could be assigned to control the valve actuator to
divert water for the waterfall feature.
Freeze Protection
Freeze protection switches on a circuit if the outside air temperature sensor detects the temperature is getting
close to freezing (below 36° F). The system will switch on the circuits that have been assigned freeze
protection, and runs the circuits for every 15 minutes to stop the pipes from freezing. For pool and spa
combination the valves will rotate between the pool and spa. During this process the cleaner will be switched
off. This is especially important if there is a pool and spa combination. If freeze protection is set to both the
spa and pool circuits, the filter pump (and booster pump if installed) switches on and the pool and spa valves
alternate every 15 minutes to keep the water moving in both the pool and spa. This process continues until the
freeze condition is over.
Circuit Functions
To assign a circuit function and freeze protection: Note: The air sensor must be enabled for freeze
protection (see page 24):
Menu button: Select the Circ. Functions menu.
Right button: Set freeze protection for the pool circuit.
Up/Down buttons: Select Yes or No.
Right button: Set freeze protection for the spa circuit.
Up/Down buttons: Select Yes or No.
Right button: Choose the type of logic needed for the AUX 1 circuit.
Up/Down buttons: Set the type of circuit to use. The functions are: GENERIC,
SOLAR, FLOOR CLEANER, SPILLWAY, CLEANER. This is the circuit that you
wish to assign the function logic to. For a description of the preset circuit types, see
“Preset Circuit Functions,” on page 26. Note: For in-floor cleaning systems with
two main valves which need to alternate every 20 minutes. This feature allows a
motorized three-way valve to rotate every 20 minutes during pool filtration
cycle.
Right button: Set freeze protection for AUX 1 circuit.
Up/Down buttons: Select Yes or No. If “Yes” is selected, the circuit will switch on if
the air temperature drops to 36° F (2° C). Note: for the POOL circuit the filter
pump will have freeze protection. For the SPA circuit the filter pump will run and
the pool/spa valves will switch between pool and spa at 15 minutes intervals
throughout the freeze condition. For the FLOOR CLEANER circuit freeze
protection is generally not needed for pool cleaner pumps since they get water
flow from the filter pump. Just make sure that POOL has freeze protection.
Repeat the process to assign functions for AUX 2 and AUX 3 as described above.
Left button: Press the Left button to return to the main status screen.
AUX 1 Circuit
[GENERIC ]
AUX 1 Circuit
Freeze: OFF
Main Menu 10/13
Circ. Functions
Spa Circuit
Freeze: OFF
Pool Circuit
Freeze: OFF