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Normal Operation
Operation
Select Cool or Heat with the Mode Switch.
Normally leave the fan switched to Auto.
In Fan Auto, the fan will turn on only with a heat
or cool demand. When Fan On is selected, the
fan will run continuously.
Adjust the desired set temperature with the
COOLER or WARMER buttons.
OWNER'S MANUAL
S1-THEH21NS
MODE SWITCH
Cool, Off or Heat
COOLER & WARMER
BUTTONS
On or Auto
FAN SWITCH