General Assist Technical Reference
VRF Indoor Unit Capacity DIP Switch Settings
SW1 / SW2 capacity identification and service reference
This reference shows the factory DIP switch combinations used to identify indoor unit capacity. The settings correspond to specific nominal capacities and model codes.
Important: SW1 and SW2 are factory-configured. Do not change these settings on site unless specifically instructed by the manufacturer or an approved service procedure. Incorrect settings may cause improper operation or communication faults.
Capacity Settings
| SW Combination | Capacity | Model Code | Notes |
|---|---|---|---|
| OFF OFF OFF ON | 1.1 kW | 04 | — |
| OFF OFF ON ON | 2.2 kW | 07 | — |
| OFF ON OFF ON | 2.8 kW | 09 | — |
| ON OFF OFF ON | 3.6 kW | 12 | — |
| ON ON OFF OFF | 4.0 kW | — | Chinese model only – restricted use |
| OFF OFF ON OFF | 4.5 kW | 14 | — |
| OFF ON OFF OFF | 5.6 kW | 18 | — |
| ON OFF OFF OFF | 7.1 kW | 24 | — |
| ON ON OFF ON | 8.0 kW | 30 | ASYA30GACH only |
| OFF OFF OFF OFF | 9.0 kW | 30 | — |
| OFF ON ON ON | 10.0 kW | 34 | AUX34GALH / ARXN34GATH |
| ON OFF ON OFF | 11.2 kW | 36 | — |
| OFF ON ON OFF | 12.5 kW | 45 | — |
| ON ON ON OFF | 14.0 kW | 54 | — |
| OFF OFF ON ON | 18.0 kW | 60 | — |
| ON ON ON ON | 22.4 kW | 72 | — |
| OFF ON OFF ON | 25.0 kW | 90 | — |
| ON ON OFF OFF | 28.0 kW | 96 | ARXC96GATH / ARXH096GTAH (OAU) |
Service note: Some switch combinations appear more than once in the source chart for different capacities or model-specific applications. Always confirm the exact indoor unit model and the applicable service manual before using the switch position as a diagnostic reference.
Key Notes
- SW1 (Set 1) and SW2 (Set 2) are factory-set.
- Do not alter the settings unless specifically directed by approved technical documentation.
- Incorrect capacity settings may cause incorrect system operation, capacity identification or communication errors.
- For model-specific or restricted settings, refer to the applicable service manual before making any change.
Before changing any setting: Confirm the indoor unit model, current DIP switch positions and applicable service documentation. Record the original settings before any approved adjustment.