The above indoor is compatible with the following units
| UTY-LNHY | Wireless RC |
| UTY-RHRY | Simple RC 2-Wire (Without operation mode) |
| UTY-RHRYT | Simple RC 2-Wire(RHRYT) |
| UTY-RLRYT | Wired RC(2-wire type) |
| UTY-RNRYT5 | Wired RC(Touch) T5 |
| UTY-RNRYZ1 | Wired RC(Touch) Z1 |
| UTY-RNRYZ2 | Wired RC(Touch) Z2 |
| UTY-RNRYZ3 | Wired RC(Touch) Z3 |
| UTY-RSRY | Simple RC 2-Wire (With operation mode) |
| UTY-RSRYT | Simple RC 2-Wire(RSRYT) |
| UTY-TERX | External switch controller(UTY-TERX) |
| UTY-TFSXZ1 | Wireless Lan Interface(TYPE-A) |
| UTY-VKSX | KNX Convertor for Indoor Unit |
| UTY-VMSX | Modbus Convertor for Indoor Unit |
| UTY-XWZXZ7 | External connect kit |
| UTY-XWZXZB | External connect kit |
| UTY-XWZXZC | External connect kit |
| UTY-XWZXZD | External connect kit |
| UTY-XWZXZE | External connect kit |
| UTZ-GXXA | External Power Supply Unit |
| UTZ-GXXC | External Power Supply Unit(GXXC) |