Aquacal GBB, Installation Manual

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1.6.e Connecting a Pool/Spa Switching Relay
A direct connection to an external flow relay switch has been provided on the terminal microprocessor.
A pool/spa relay switch will automatically change between the pool and spa thermostat depending on the
position of the plumbing valves.
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When water flows to the pool, the pool thermostat will be used.
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When water flows to the spa, the spa thermostat will be used.
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.
NOTICE
Failure to heed the following may result in damage to equipment.
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The wire size connecting the relay switch must be a minimum 22-gauge, 2-conductor, low-voltage wire.
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Use FS2 ( dry contact) connection on the microprocessor.
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