60
10-4. Defrosting Operation (Heating)
■ Defrosting Flowchart
■ Defrosting Mode Timing Chart
Once the air conditioner enters defrosting mode, it will not release defrosting until the
outdoor heat exchanger coil temperature rises above 41°F. During this period, heat is
provided by the electric heater instead of by heat pump.
YES
YES
Temperature of outdoor heat
exchanger coil is below 14°F.
Temperature of outdoor heat
exchanger coil is higher than
41°F.
Defrosting begins
Compressor ON
Release from defrosting
NO
NO
• Compressor ⇒
OFF
• Electric heater ⇒
ON