Information

  • Job No.

  • Client

  • Client / Site

  • Conducted on

  • Prepared by

  • Location
  • Check unit casing for damage

  • Check the condition of the heat exchanger, clean the heat exchanger, check for fin damage

  • Check the outdoor unit air discharge space

  • Check the outdoor fan for vibration and noise

  • Check that the drain from the outdoor is not blocked.

  • Check the condition of the electrical isolating switch and tighten cable terminations.

  • Check for signs of refrigerant leakage i.e. oil in base of unit or around flare nuts

  • Ensure that the refrigeration piping insulation is not damaged

  • Check that all connectors are securely connected to the outdoor unit PC board.

  • Check the refrigerant operating pressures are normal.

  • Check water pressure using manometer

  • Check the circulating pump for noise and vibration.

  • Test the pressure relief valve in the hydro box and ensure water drains away adequately.<br>

  • Inspect the outer casing of the hydro box for any damage

  • check heating expansion vessel pressure

  • Isolate the water flow and return valves, drain water and clean the water strainer.

  • Check the refrigeration pipes for signs of refrigerant leakage

  • Check and tighten the electrical connections inside of the switchbox especially the contactors and circuit <br>breakers.

  • Check the water piping for any leaks

  • Inspect the condition of the DHW tank for any damage.

  • Check the operation of the pressure relief valve on the combination valve.

  • Check the operation of the pressure relief valve on top of the tank

  • check hot water expansion pressure

  • Check the operation of the thermal protectors

  • Check the operation of the 2/3 port valve.

  • Check the set points for space heating

  • Check the set point for domestic hot water

  • Check the current time and day setting on the controller

  • check operation of external programmable stat adjust if on program 1

  • repairs required

  • comments

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