Dimplex SI18TU Product Guide V1
![Dimplex SI18TU Heat Pump manual cover](/images/pTneoDYyTDQnCaeKZCXJFfqv/thumbs/thumb175x175.webp)
To perform a basic maintenance check, ensure the unit is turned off, inspect and clean air filters, check for any blockages in the outdoor unit, and verify that there are no leaks or unusual noises. It's also advisable to schedule regular professional maintenance.
If the heat pump is not heating adequately, check the thermostat settings, ensure the air filters are clean, and inspect the outdoor unit for any obstructions. If the issue persists, consult a professional technician to check for refrigerant levels or possible system malfunctions.
To reset the heat pump, turn off the power at the circuit breaker, wait for about 5 minutes, and then turn it back on. This can help resolve minor electronic glitches.
Unusual noises could be due to loose parts, debris in the outdoor unit, or issues with the fan motor. Inspect the unit for visible issues and if necessary, contact a professional to diagnose and fix the problem.
For energy efficiency, it is recommended to set the thermostat to 68°F (20°C) in winter and 78°F (26°C) in summer when you are at home. Adjust settings when you are away to save energy.
Air filters should be checked monthly and cleaned or replaced every 1-3 months depending on usage and environmental conditions. Clean filters ensure optimal performance and energy efficiency.
While basic maintenance can be performed by the owner, installation should always be carried out by a certified professional to ensure safety and compliance with local regulations.
Frequent cycling could indicate a thermostat issue, incorrect system size, or airflow problems. Check the thermostat settings and ensure filters are clean. If the problem continues, consult a professional technician.
Ensure the unit is clear of snow and debris, maintain a consistent thermostat setting, and use supplemental heating if necessary. Proper insulation of your home can also improve efficiency.
Water leakage might be due to a blocked condensate drain, low refrigerant levels, or a frozen coil. Check the condensate line for blockages and ensure proper drainage. Contact a professional if the issue persists.