Question: Should I fill my air source heat pump with water or antifreeze?
Answer: This depends on your local climate and usage needs. Regions with winter temperatures staying above 0℃ can use water. Areas with frequent sub-zero temperatures, power outages, or extended periods of non-use benefit from antifreeze.
Question: How often should I replace heat pump antifreeze?
Answer: No fixed schedule exists. Check antifreeze quality annually. Test pH levels. Look for signs of degradation. Replace when contamination appears. Clean the entire system during replacement.
Question: What outdoor unit temperature setting works best for heat pump heating?
Answer: Set air source heat pump between 35℃ to 40℃ for underfloor heating systems. Use 40℃ to 45℃ for radiator systems. These ranges balance comfort with energy efficiency.
Question: My heat pump shows a water flow error at startup. What should I check?
Answer: Verify all valves are open. Check water tank levels. Look for air trapped in pipes. Ensure circulation pump operates correctly. Clean blocked filters.
Question: Why does my heat pump blow cold air during heating mode?
Answer: Check thermostat settings. Verify system is in heating mode. Inspect outdoor unit for ice buildup. Clean dirty filters. Contact technician for refrigerant level check.
Question: How can I prevent my heat pump from freezing in winter?
Answer: Maintain proper airflow around outdoor unit. Clear snow and debris regularly. Check defrost cycle operation. Ensure adequate refrigerant levels. Install unit on raised platform.
Post time: Dec-09-2025