Hitachi RAC systems come complete with an Infra Red controller. These systems also have a variety of optional controllers and functions available
| Model Reference | Description |
| SPX-WFG01 | Hi-Kumo Wi-Fi Adapter |
| SPX-WKT2 | Full Dot Controller with Weekly Timer and additional functionality (includes 5m cable) |
| SPX-RCKA | Wireless Remote Control & Receiver Kit RAD (RPA,PPA) |
| SPX-RCKA1 | Wireless Remote Control & Receiver Kit RAD (QPB) |
| SPX-RCDA | Wired Controller RAD (PPA, RPA, QPB) |
| SPX-RCDB | Wired Controller RAK (PEB, PPA, PSB, PXB, RPB, QPB, RXB, QXB), RAI (RPA) RAF (RXB, RPA) |
| SPX-DST1 | Distributor Kit - SPX-RCDA or SPX-RCDB to enable group control of up to 13 indoor units. |
| SPX-WKT5M | Wiring Kit (5 metre cable length extension - can extend using two to 15 metres) |
| SPX-WDST8M | Wiring Kit for use with SPX-DST1 Group Control Kit only (8 metre cable length) |
| SPX-WDC1 | Card Key Contact - RAF (PXA, RPA, QXA), RAK (QXA, QPA) |
| SPX-WDC2 | Card Key Contact - RAD (RPA,PPA), RAI (QXA,QPA) |
| SPX-WDC3 | Card Key Contact - RAK (PEB, PPB, PSB, PXB) |
| SPX-WDC4 | Card Key Contact - RAK (PPA) |
| PSC-6RAD | H-Link Adapter connects RAC models to H-Link |