Panasonic CS-E21CKE - Manual (Page 39)

8.2.3.4. Overload Protection Control
The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures.
8.2.3.5. Outdoor Temperature Control
• Outdoor temperature is detected and the following control is perform.
• Control operates after more than 1 minute the compressor has started.
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