YW-AFS-2026-01 / APPENDIX 04
Installation & commissioning checklist
Complete every checkpoint with its evidence reference and both parties’ confirmation.
| Project / contract reference | |
|---|---|
| Customer / site location | |
| Equipment / model / serial number | |
| Site arrival date / installation mode |
| Stage | Confirmation | Evidence | Date | Both parties’ signatures |
|---|---|---|---|---|
| 1 · Receipt | No visible damage; correct quantity; nameplate matches contract. | Unpacking photographs | ||
| 2 · Pipework | Flushed to clear water; test pressure and hold time meet approved requirements. | Test record / photographs | ||
| 3 · Electrical | Correct wiring; reliable earthing; acceptable insulation readings. | Electrical / insulation record | ||
| 4 · First run | No leaks; correct rotation; parameters within agreed range. | Parameter log / video | ||
| 5 · Acceptance | Design duty achieved; acceptable water quality; controls operating correctly. | Acceptance / water-quality reports |
| Outstanding items / responsible party / due date | |
|---|---|
| Operator training / attendees / record | |
| Agreed warranty start date / basis |
The normal warranty start is completion and signature of checkpoint 5. Where the signed contract incorporates this policy’s condition, a customer-caused acceptance delay exceeding 30 days moves the start to equipment arrival at site. Record the agreed basis above.
Yuanwang representative / date
Customer representative / date
YUANWANG · Overseas After-Sales Service Policy · V1.0 · 8 November 2026. Retain signed records with the project contract.