1.Begin by building a sturdy rectangular frame, ensuring it is securely attached to the ceiling above.

2. Firmly affix the storage unit (or enclosure) to the pre-installed frame.

3. Align the ventilation duct connector with the arrow direction indicated and firmly attach it using a twist-lock mechanism to the specified air outlet port on the cabinet, ensuring correct airflow connection.


Product Performance Specifications

| Model Num | A | B | C | D | E | F | Cutout Dimensions |
| BPT10-12 | 280 | 280 | 277 | 155 | 230 | 14 | 230*240 |
| BPT10-15 | 280 | 280 | 277 | 155 | 230 | 14 | 230*240 |
| BPT10-21 | 280 | 280 | 277 | 155 | 230 | 14 | 230*240 |
| BPT15-27 | 380 | 380 | 341 | 224 | 306 | 14 | 306*306 |
| BPT15-33 | 380 | 380 | 341 | 224 | 306 | 14 | 306*306 |
| BPT15-40 | 380 | 380 | 341 | 224 | 306 | 14 | 306*306 |
| BPT15-60 | 380 | 380 | 341 | 224 | 306 | 14 | 306*306 |