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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General