'Initialize the unit.'

def __init__(self, modbus_slave, name):

    from pyflexit import pyflexit
    self._name = name
    self._slave = modbus_slave
    self._target_temperature = None
    self._current_temperature = None
    self._current_fan_mode = None
    self._current_operation = None
    self._fan_list = ['Off', 'Low', 'Medium', 'High']
    self._current_operation = None
    self._filter_hours = None
    self._filter_alarm = None
    self._heat_recovery = None
    self._heater_enabled = False
    self._heating = None
    self._cooling = None
    self._alarm = False
    self.unit = pyflexit.pyflexit(modbus.HUB, modbus_slave)
