Annual system health report
For completion by Yuanwang or the authorised service provider following the annual condition review.
| Project / country | |
|---|---|
| Reporting year / inspection date | |
| Service provider / engineer | |
| Operating baseline reference |
1. Annual operation
Operating hours, total treated water, fault count and downtime.
| Findings / evidence / action: |
2. Parameter trends
Compare flow, differential pressure, temperature differences and energy use with commissioning and the previous year.
| Findings / evidence / action: |
3. Efficiency
Pump and heat-exchange performance; percentage change in system energy use.
| Findings / evidence / action: |
4. Water quality, scaling and corrosion
Water-quality trends, scaling tendency, corrosion risks and action taken.
| Findings / evidence / action: |
5. Geothermal well review, where applicable
Yield, water-level and temperature changes; identify whether the 15% yield-decline warning has been triggered.
| Findings / evidence / action: |
6. Component condition
Estimated remaining condition / life of key components; replacement recommendations and rationale.
| Findings / evidence / action: |
7. Problems and corrective work
Faults and root-cause categories: equipment, operation, water quality or external causes; evidence and corrective action.
| Findings / evidence / action: |
8. Next-year recommendations
Maintenance priorities, spare-parts stock and proposed upgrades.
| Findings / evidence / action: |
9. Overall condition
Excellent / Good / Monitor / Intervention required. State the basis, limitations and priority actions.
| Findings / evidence / action: |
Engineer / service provider signature & date
Customer acknowledgement & date
YUANWANG · Overseas After-Sales Service Policy · V1.0 · 8 November 2026. Retain signed records with the project contract.