The above indoor is compatible with the following units
| UTB-TPB | Simple RC (with master control) |
| UTB-TRA | Simple RC (without master control) |
| UTB-TUB | Wired RC |
| UTR-YESA | External switch controller |
| UTY-LNHY | Wireless RC |
| UTY-RHKYT | Simple RC (without master control) |
| UTY-RNKYT | Wired RC(3-wire type) |
| UTY-RSKYT | Simple RC (with master control) |
| UTY-TEKX | External switch controller |