code: public function setAwayTemperatures($temp_low, $temp_high, $serial_number = NULL) {
          return $this->setEcoTemperatures($temp_low, $temp_high, $serial_number);
      }
docs: (Deprecated) Change the thermostat away temperatures. This method is an alias for setEcoTemperatures().
  
  @param float  $temp_low      Away low temperature.
  @param float  $temp_high     Away high temperature.
  @param string $serial_number The thermostat serial number. Defaults to the first device of the account.
  
  @return stdClass|bool The object returned by the API call, or FALSE on error.
  
  @deprecated
  @see        Nest::setEcoTemperatures()