The TVEPAN series of cassette panels is a required accessory for cassettes:
TVEPANPC1NUSET: Classic one-way cassette panel
TVEPANPC1NUAET: Sliding one-way cassette panel
TVEPANPC4SUSET: Mini four-way cassette panel
TVEPANPC4NUSET: Large four-way cassette panel
The vanes operate in fixed or oscillating mode, and are selectable in VRF Select. These accessories must be ordered and shipped separately.