Operating Manual 570-208
System switch
CAUTION: EQUIPMENT DAMAGE HAZARD.
Do not use Cooling mode when the outdoor temperature is below 50 °F (10 °C).
Use the System switch to place the system in one of the
following modes:
• Cool: System is in Cooling mode.
• Off: System is off.
• Heat: System is in Heating mode.
• Em Heat: System is in Emergency Heat mode. Only
auxiliary heating can be activated. The compressor is
disabled. (This mode is available on the P310-1210 model
only.)
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