Aquacal AutoPilot SP05, Installation Manual

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1.6.e Connecting Multiple Heat Pumps (Primary / Secondary)
Up to 16 heat pumps can be connected and controlled from a primary heat pump.
There are two reasons for using a multiple heat pump configuration:
1. Controlling multiple heat pumps from one location; the primary heat pump.
2. Preventing heat pumps from starting up at the same time and causing an excessive power draw
on the electric circuit.
DANGER
Failure to heed the following will result in injury or death.
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Deactivate power while routing wiring to control board.
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Follow all National Electric Codes (NEC) and/or State and Local guidelines.
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 the swimming pool and spa safety standards.
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The installer must be familiar with service industry techniques.
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