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PTAC Service Manual

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Service Manual
Installation and Maintenance
64
Memory function
Energizing after power failure, the controller is running according to the status before power failure.
Restore factory settings
In standby and OFF status, after pressing “fan speed” + ”WARMER” for 3s and the dual 8 displays “00” for 3s (do not display others),
it shows that the factory settings has been restored. Meanwhile, the confi guration information is default to display.
Fahrenheit and not allow emergent cooling auto start-up. Heating offset and cooling offset is 0 and the set temperature is displayed.
T value is 0, the fan speed is medium, the set temperature is 71
o
F and timer is canceled.