# SYN-PID-LC1000 Rev B / As-built dossier / synthetic Rev B

**SYNTHETIC DEMONSTRATION — fictional engineering records. No employer, customer, real equipment acceptance or supplier engagement is implied.**

Unit: SYN-LC-1000-003. This schematic text is a teaching record, not a fabricated or professionally approved P&ID. It is the package supplied to resolve P-03 after a visitor records review.

## Functional flow schematic

```text
Return header → isolation valve → strainer → duty / standby pump pair
             → flow meter FT-01 → heat exchanger HX-01 → supply header
Pressure taps PT-S / PT-R measure supply-return differential pressure.
Leak tray LS-01 feeds alarm/interlock. Controller manages standby transfer.
Protective-earth bonding links enclosure, pump frames and conductive skid.
```

## Fictional configuration / BOM index

| Tag | Function | Revision control |
| --- | --- | --- |
| P-01 / P-02 | Duty / standby pump pair | Rev B approved impeller trim; configuration rechecked after correction |
| HX-01 | Thermal transfer | Nominal 1 MW teaching design |
| FT-01 | Flow indication | Functional; identification label tracked as minor P-02 |
| PT-S / PT-R | Differential pressure | Duty-point pressure trace in FAT-E02 |
| LS-01 | Leak sensor | Interlock sequence in FAT-E04 |
| CP-01 | Control panel | Standby sequence FAT-E05; bonding FAT-E06 |

## Fictional instrument index

| Instrument | Record | Stated check |
| --- | --- | --- |
| Flow indication | SYN-CAL-FT01 | Current for scenario; ±0.5% reading uncertainty |
| Differential pressure | SYN-CAL-DP01 | Current for scenario; ±1 kPa uncertainty |
| Test timing trace | SYN-CAL-T01 | Functional timing checks; detailed uncertainty outside demo |
| Continuity tester | SYN-CAL-PE01 | Lead compensation, 10 A test setting |
| Temperature pair | SYN-CAL-TT01 | Thermal model approximation; not installation qualification |

These are fictional record identifiers, not attached calibration certificates. No calibration evidence is claimed to exist for real instruments.

## Test dossier

- FAT-E01: Flow test log — Retest reads 1,460 L/min at stabilized duty point; the same test configuration is used.
- FAT-E02: Pump performance & configuration — Correct impeller fitted and verified against Rev B BOM. Three repeats: 263, 261 and 264 kPa. Retest witnessed and recorded; fictional gauge uncertainty ±1 kPa.
- FAT-E03: Pressure boundary record — Pressure boundary retested after pump reassembly: 600 kPa for 30 minutes with no visible leakage. New fictional post-correction record replaces the initial test.
- FAT-E04: Leak alarm / interlock trace — Unchanged test evidence retained.
- FAT-E05: Standby pump transition trace — Unchanged test evidence retained.
- FAT-E06: Protective bonding record — Unchanged test evidence retained.
- FAT-E07: Thermal balance record — Unchanged thermal evidence retained. This model does not qualify a real installation or fluid chemistry.

## Package review checklist

- Match unit, Rev B configuration, protocol and evidence IDs.
- Confirm corrected impeller and retained evidence scope.
- Record P-03 package closure only after review.
- Track minor labeling P-02 independently with owner/date or simulated closure.
- Record simulated approval in the browser; document contains no real signature.