The electrical control box can be removed 1m away from the unit for easy maintenance access. Customers need to request this service in advance for it is done at Midea CAC factory. Standard functional ports are included such as Remote On/Off, Dry contact switch and Alarm signal output (220V). EXV is fixed inside the indoor unit. Standard filter is housed in an aluminum frame. A rear air inlet is standard and an inlet at the bottom is optional. Both use the same connectable duct. Drain pump with a 750mm pump head is fitted as standard.