CALIDO1
DHW heat pump with tank
23
10. START UP
Before start-up, carry out the following checks:
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Check out the availability of the diagrams and manual of installed machine.
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Check out the availability of the electrical and hydraulic diagram of the plant in which the unit is installed.
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Check out that all water connections are properly installed and all indications on unit labels are observed.
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Check the inlet water pressure, make sure that the pressure is sufficient (above 1,5 bar).
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Check that the shut-off valves of the hydraulic circuit are open.
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Verify that the hydraulic circuit has been charged under pressure and air vented.
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Check if any water flows out from the hot water outlet, make sure that the tank is full of water before turning on the power.
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Ensure that provisions has been made to drain condensation.
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Check the electrical connection.
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Check that the electrical connections have been made in accordance with the regulations in force, including grounding.
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Check that the electrical voltage is within the tolerance (±10%) of the rating plate value.
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Check that there are no gas leaks.
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Before switching on the unit, check that all the chosing panel are in place and secured with thew appropriate screws.
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Check the unit, make sure everything is ok before supplying power to it, then check the led on the control panel when the unit is working.
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Use the control panel to start the unit.
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Listen to the unit carefully when supplying power to it. Turn off the power supply when an abnormal noise is heard.
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Measure the water temperature to check for changes in water temperature.
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Once the operating parameters have been set by the installer, the user cannot change them. Please contact a qualified technician if is nec
-
essary.
ATTENTION: Do not switch off the unit (for temporary shutdown) by switching off the main switch, this operation should
only be used to disconnect the unit from the mains supply for long shutdowns or for maintenance/repair operations.
ATTENTION: Do not modify the internal wiring of the unit otherwise the warranty will terminate immediately.
