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Other general maintenance considerations
Annual service performed by the installer
7.1.2
7.2
• Clear away any objects or trim vegetation that is within 500mm from the heat
pump unit and that could restrict air flow into the heat pump.
• The airway of the fan and the evaporator needs to be cleaned at least annually to
ensure effective airflow and heat transfer. If any obstruction such as cobwebs,
leaves and the like on the outside of the heat pump is observed, clear this out
immediately. Do not use a high pressure water hose to spray down the unit; the
heat exchanger fins may be damaged.
• Ensure that all the parameters are set correctly.
Although your Enerflow heat pump is a self-contained and reliable means of providing
eco-friendly hot water, an annual service is required to ensure efficient performance
and that warranty conditions are met. The following items must be checked:
• Ensure that the water supply pressure and flow rate is sufficient at all times.
• Ensure that the geyser tank probe is still correctly inserted and fastened into the
geyser probe pocket or onto the geyser flange.
• Open and service the water circulation pump.
• Ensure that water drainage holes in the heat pump base plate are not blocked.
Water build up in the base of the heat pump unit could lead to premature rust
and damage internal components.
• Service the heat pump Diverter Valve.
• Test the Back-up element to ensure that it is still in a good working condition.
• Descale the heat pump unit using a non-industrial descaling fluid such as Brown
Vinegar or Kettle Cleaner.
• Ensure the refrigerant charge (i.e. amount of gas inside the heat pump) is still sufficient.
• No maintenance needs to be performed on the internal refrigerant components
of your Enerflow heat pump.
• The unit is designed with a close loop refrigerant cycle that does not need short
term maintenance or service under normal operation.
• Ensure that the system is drained completely of water if it is not going to be used
in the winter in order to avoid a pipe from bursting due to freezing.
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