Programming For An External Controller (Optional) - Aquacal SQ120R Instruction Manual

Three-wire controller (with "OFF" position):
1. Deactivate power to heat pump.
2. Remove heat pump electrical access panel.
3. Route the control wiring to the low voltage side of the electrical enclosure. Follow all National Electric Codes
(NEC) unless State or Local guidelines supersede.
4. Connect the controller wires to the microprocessor as follows:
Connect "Low" or "Pool" wire to "X".
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Connect "High" or "Spa" wire to "Z".
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Connect "Common" wire to "Y".
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5. Reattach heat pump access panel.
6. Apply power to heat pump.
7. Program heat pump for a three-wire controller.
Three-wire controller (without an "OFF" position):
1. Deactivate power to heat pump.
2. Remove heat pump electrical access panel.
3. Route the control wiring to the low voltage side of the electrical enclosure. Follow all National Electric Codes
(NEC) unless State or Local guidelines supersede.
4. Connect the controller wires to the microprocessor as follows:
Connect "Common" wire to one terminal of "FS2".
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Connect "Spa" to other terminal of "FS2".
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The third wire is not used.
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5. Reattach heat pump access panel.
6. Apply power to heat pump.
7. Program heat pump for an external controller.

1.5 Programming for an External Controller (Optional)

Configure heat pump for external control.
Using JAO interface
Press "Up" and
"Down" buttons
simultaneously until
CF1 appears.
Press "Pool / Spa"
button until LOC is
displayed.
Press "Up" or
"Down" to pass
code. Default is
"17".
Press "Pool / Spa"
button once.
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