code: def set(self, val):
          
          msg = ExtendedSend(
              address=self._address,
              commandtuple=COMMAND_THERMOSTAT_SET_COOL_SETPOINT_0X6C_NONE,
              cmd2=int(val * 2),
              userdata=Userdata())
          msg.set_checksum()
          self._send_method(msg, self._set_cool_point_ack)
docs: Set the cool set point.