Check Before Start The Unit - Riello NXHP Series Installation, Operation And Maintenance Instructions

2 - INSTALLATION OF UNIT

2.7 - Check before start the unit

Never be tempted to start the heat pump without reading fully, and
understanding, the operating instructions and without having
carried out the following pre-start checks:
■ Ensure that all electrical connections are properly tightened.
■ Ensure that the unit is level and well-supported.
■ Check that the hydraulic circuit has sufficient water flow and
that the pipe connections correspond to the installation diagram.
■ Ensure that there are no water leaks. Check the correct
operation of the valves installed.
■ All panels should be fitted and firmly secured with the
corresponding screws.
■ Make sure that there is sufficient space for servicing and
maintenance purposes.
■ Ensure that there are no refrigerant leaks.
■ Confirm that the electrical power source agrees with the unit
nameplate rating, wiring diagram and other documentation for
the unit.
■ Ensure that the power supply corresponds to the applicable
standards.
■ Make sure that compressors float freely on the mounting rubber
grommet.
CAUTION:
■ Commissioning and start-up of the heat pump must be
supervised by a qualified refrigeration qualified technician.
■ Start-up and operating tests must be carried out with a
thermal load applied and water circulating in the water heat
exchanger.
■ All set point adjustments and control tests must be carried
out before the unit is started up.
Ensure that all safety devices are operational, and that any alarms
are acknowledged.
NOTE:
If the Manufacturer instructions (power and water connections
and installation) are not observed, the Manufacturer warranty
becomes invalid.
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