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1.5.f Schematics
Schematics are located on the inside of the equipment access panel.
PLEASE NOTE:
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Specifications are subject to change without notice.
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Schematics are available by calling AquaCal
®
Customer Support.
AquaCal AutoPilot, Inc." on page 1.
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Please have the complete model and serial number available.
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See "Identifying Model Specifications" on page 25.
1.5.g Connecting an External Controller
To support a direct connection to an external controller, AquaCal
®
chillers are equipped with optional terminal
blocks. These terminals are on the microprocessor located on the low-voltage side of the electrical enclosure.
WARNING
Failure to heed the following may result in injury or death.
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This section is only for qualified installers who are familiar with swimming pool and spa safety standards.
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The installer must be familiar with service industry techniques.
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Deactivate power while routing wiring to control board.
NOTICE
Failure to heed the following may result in damage to equipment.
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The wire size connecting the controller must be 16-gauge, 2-conductor or larger, low-voltage wire.
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Use direct connection (
dry contact)
provided on the microprocessor for external controllers
.
Dry Contact Connection Points to the
Microprocessor
Please confirm the type of external controller to be installed
and follow the appropriate instructions.
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A
two-wire
controller
(with an internal thermostat)
.
The
user can set and adjust the temperature at the controller's
screen.
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A
three-wire
controller
(with an "OFF" position
).
The
user adjusts the temperature at the heat pump. The user
can select pool or spa mode or turn off the heat pump using
the controller.
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A
three-wire
controller (
without an "OFF" position
).
The user adjusts the temperature at the heat pump. The
user can select pool or spa mode, but must turn off the heat
pump at the heat pump display panel.
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