IBC HPX 3, Installation And Operating Manual, Page: 49 / 68

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9.0 Heat Pump Operation
Before operating the appliance, there are some important checks that need to be performed. For
more information, see
Before operating the hydronic heat pump on page 1 .
9.1 Starting and Shutting Down the Heat Pump
Start-up Checklist Check
With the hydronic heat pump power turned off, check that all electrical connections are
tight.
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Check with a gauge that the system pressure is stable and appropriate for the application:
at all times it should be between 8 psi and 50 psi.
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Check that glycol concentration is between 25% and 50% as required.
A pressure relief valve must be installed on the system.
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Perform a thorough visual check for any leaks or signs of corrosion.
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