Equipment layout decides airflow; airflow decides cooling quality.
1. Duct types
Front-in front-out (general), bottom-in top-out (stack effect), side (deep cabinets).
2. Hot spots
Short-circuit airflow creates hot spots; layout check available.
3. Process
Layout drawing -> duct plan -> sample.
| Duct | Fit |
|---|---|
| Front/front | general |
| Bottom/top | tall |
| Side/side | deep |
HCK custom airflow keeps cabinet temp spread within 2C.
