General Assist Technical Reference
Remote Controller Part Number & Compatibility Reference
Replacement part numbers, controller types and compatibility notes
Reference for legacy and current wired controllers, zone controllers and VRF controllers.
Quick reference: Use the controller model and the associated handset/controller code to identify the correct replacement part. Where a controller supersedes an earlier model, this is shown in the notes below.
Important: Confirm compatibility against the applicable unit technical documentation before ordering. Some controller families use different wiring arrangements, including 2-wire and 3-wire systems.
Controller part number reference
| Controller Model | Part Number | Controller / Handset Code | Type / Application | Notes |
|---|---|---|---|---|
| UTB-TUB | 9372266038 | AR-3TA3 | Wall controller | No louver button |
| UTB-TUB | 9372266076 | AR-3TA12, AR-3TA7 | Wall controller | Louver button |
| UTB-TUD | 9372715246 / 9372266205 | AR-6TC2 | Wall controller | Two listed part numbers |
| UTY-RVNYN | 9380219057 | AR-WAD1E, AR-WDD1E | Zone controller | Zone Controller |
| UTB-RNNYN | 9318593020 | AR-WAF1E | Wall controller | Legacy controller reference |
| UTY-RNRYZ3 | 9709335178 | AR-WEF1E | 2-wire touch controller - Series 3 | Current. Replaces UTY-RNRY and UTY-RNRYZ2. |
| UTY-RNRYZ2 | 9709335086 | AR-WFD1E | 2-wire touch controller - Series 2 | Superseded by UTY-RNRYZ3 |
| UTY-RNRY | 9709335000 | AR-WEA1P | 2-wire touch controller - Series 1 | Superseded by UTY-RNRYZ3 |
| UTY-RHRY | 9382381035 | AR-WGB1E | 2-wire simple controller | Current; without mode button |
| UTY-RSRY | 9382381004 | AR-WGA1E | 2-wire simple controller | Current |
| UTY-RNKYT | 9372715291 | AR-WAC1E | 3-wire wall controller | VRF |
| UTY-RSKYT | 9371067179 | AR-WBB1E | 3-wire simple controller | VRF |
| UTY-RHKYT | 9371067148 | AR-WBC1E | 3-wire simple controller | VRF |
| UTY-DMMYM | 9380219033 | AR-WDB1E | 3-wire central controller | For 5 & 6 head Multi; wires to outdoor unit |
| UTY-RNRT | Not shown in source | AR-WEM1E | 2-wire controller | For KMTAP; also for new 2-wire zone module |
| UTY-RNRT5 | Not shown in source | AR-xxxxx | 2-wire controller | Can support thermistor values etc. for "H" series indoor units |
Wiring type summary
| Wiring Type | Controllers in this reference |
|---|---|
| 2-wire | UTY-RNRYZ3, UTY-RNRYZ2, UTY-RNRY, UTY-RHRY, UTY-RSRY, UTY-RNRT, UTY-RNRT5 |
| 3-wire | UTY-RNKYT, UTY-RSKYT, UTY-RHKYT, UTY-DMMYM |
Do not interchange 2-wire and 3-wire controllers based only on physical appearance. Confirm the indoor unit/controller communication type before replacement.
Current replacements and supersessions
2-wire touch controller family
UTY-RNRYZ3 - Part No. 9709335178 - AR-WEF1E
This is identified in the source as the current Series 3 controller and replaces:
- UTY-RNRYZ2 - Part No. 9709335086 - AR-WFD1E
- UTY-RNRY - Part No. 9709335000 - AR-WEA1P
Source limitation: The supplied reference does not show part numbers for UTY-RNRT or UTY-RNRT5. These have intentionally been left as "Not shown in source" rather than estimated.
Reference compiled from the supplied controller part-number list. Verify against current parts and technical documentation before ordering where supersessions or product revisions may apply.