Heat pumps – faulty operation of outdoor unit

Cause

Outdoor unit may not be level

Repair

  • use a carpenter's level across the top of unit to check levels from side to side and back to front
  • if the unit is not level, it is near new and still under warranty, call back the original installer
  • depending on how well the base is installed, wedges under fixings may be required to level the unit. U-shaped wedges open on one side are available
  • if more substantial work is required, call an experienced installer who is licensed to carry out the electrical work and holds the required certificate for handling refrigerants
  • you can obtain installation requirements from the manufacturer
  • there is a Good practice guide for heat pump installation downloadable from the EECA website