F-01Differs
Supply voltage differs from sample reference
The technician recorded 184 VAC. The illustrative comparison range is 187–253 VAC.
- Evidence
- Entry + E-03
- Reference
- SR-01
- Next step
- Confirm source voltage
Private owner / program record
Sample Installation Record
A traceable record of equipment identity, in-process commissioning evidence, source-linked comparisons, documentation gaps, and engineer review notes.
Record ID
DEMO-001
Oakview · Unit 204
Atlanta, Georgia
Submitted September 7, 2026
Record summary
What the evidence supports.
Documentation and comparison are separate. A recorded measurement can be fully documented and still differ from its applicable reference.
Checks documented22 / 2588% of applicable items
Observed deviations2Against sample references
Documentation gaps3Missing, partial, or unclear
ReviewCompletedMechanical-engineer review
Interpretation: “No deviations identified” would apply only to comparisons that could be assessed. It would not certify the installation. Missing or unclear evidence is a documentation gap, not proof that the work was not performed.
Installation identity
Equipment and office comparison.
Fictional model and serial values are used throughout this public sample.
Outdoor equipment
On-site modelMODEL-OD-036
SerialSAMPLE-OD-001
Office recordMODEL-OD-036
ComparisonMatches record
Indoor equipment
On-site modelMODEL-AH-036
SerialSAMPLE-AH-001
Office recordNot provided
ComparisonUnable to compare
Pairing: Outdoor-to-indoor equipment pairing was not assessed because a pairing reference was not supplied. An office-record match is not the same as an approved matched-system determination.
Review findings
Differences and documentation gaps.
Each finding keeps the observation, comparison source, and supporting evidence together.
F-02Differs
External static pressure differs from sample reference
Supply and return readings calculate to 0.82 in. w.c. The illustrative maximum is 0.50 in. w.c.
- Evidence
- Entries E-08 / E-09
- Reference
- SR-02
- Next step
- Confirm method and restriction
G-01Partial
Vacuum hold not documented
A 420-micron reading was recorded, but the hold duration and ending value were not supplied.
- Evidence
- Entry E-06
- Assessment
- Documentation gap
- Meaning
- Hold not verifiable
G-02 / G-03Missing / unclear
Two additional evidence gaps
Purge-gas use was not recorded, and the liquid-line filter drier was not clear in the supplied view.
- Evidence
- No entry / E-04
- Assessment
- Documentation gaps
- Meaning
- Not proof of omission
Commissioning record
Observed values and comparisons.
References SR-01 and SR-02 are fictional layout examples, not manufacturer specifications.
| Check | Observed evidence | Comparison result | Source |
|---|---|---|---|
| Standing pressure test | 400 → 399 PSIG · 15 min | Documented | Entry E-05 |
| Vacuum and hold | 420 microns · hold absent | Partially documented | Entry E-06 |
| Supply voltage | 184 VAC | Differs from SR-01 | E-03 / SR-01 |
| Supply / return static | +0.46 / -0.36 in. w.c. | Inputs recorded | E-08 / E-09 |
| Total external static | 0.46 - (-0.36) = 0.82 in. w.c. | Differs from SR-02 | Calculation C-01 |
| Temperature split | 75°F return · 57°F supply · 18°F ΔT | Documented | Entries E-10 / E-11 |
| Operating pressures | 118 PSIG suction · 310 PSIG liquid | Not assessed | Reference absent |
| Superheat / subcooling | Not calculated in sample | Not assessed | Calculation reference absent |
Checklist record
All 25 applicable checks.
Completeness counts fully documented applicable items. Partial and unclear items are not counted as fully documented.
| Stage | Check | Evidence retained | Status |
|---|---|---|---|
| Pre-installation | Equipment nameplates | Photos + confirmed identity | Documented |
| Installation | Installed outdoor unit | Photo E-01 | Documented |
| Installation | Electrical connection | Photo E-03 + 184 VAC | Documented |
| Installation | Installed air handler | Photo E-02 | Documented |
| Installation | Condensate drain system | Photo E-04 | Documented |
| Installation | Drain test | Technician reported completed | Documented |
| Installation | Installed filter | Technician photo recorded | Documented |
| Commissioning | Brazing purge gas | No selection recorded | Not documented |
| Commissioning | Standing pressure test | 400 to 399 PSIG · 15 min | Documented |
| Commissioning | Liquid-line filter drier | Not clear in supplied view | Unclear |
| Commissioning | Vacuum and hold | 420 microns · hold absent | Partial |
| Commissioning | Post-vacuum action | Service valves opened | Documented |
| Performance | Runtime before readings | 15 min | Documented |
| Performance | Outdoor temperature | 86°F | Documented |
| Performance | Supply static pressure | +0.46 in. w.c. | Documented |
| Performance | Return static pressure | -0.36 in. w.c. | Documented |
| Performance | Suction pressure | 118 PSIG | Documented |
| Performance | Liquid pressure | 310 PSIG | Documented |
| Performance | Suction-line temperature | 52°F | Documented |
| Performance | Liquid-line temperature | 91°F | Documented |
| Performance | Supply-air temperature | 57°F | Documented |
| Performance | Return-air temperature | 75°F | Documented |
| Performance | Operating gauge photo | Photo E-05 | Documented |
| Commissioning | Refrigerant adjustment | None reported | Documented |
| Closeout | Startup checklist | Technician reported completed | Documented |
Evidence index
Selected supporting records.
Production records retain original files, capture times, source fields, and the report revision that used them.
Outdoor nameplate
Captured 09:18 · OCR + technician confirmation
Indoor nameplate
Captured 09:22 · OCR + technician confirmation
Electrical evidence
Captured 10:41 · linked to 184 VAC entry
Condensate / filter-drier view
Captured 10:52 · filter drier not clear
Operating gauges
Captured 11:34 · pressures linked to record
Evacuation reading
Recorded 11:02 · 420 microns; hold absent
Engineer review
A decision-ready review note.
In production, flagged and sampled records are reviewed by the mechanical engineer who built the system.
Review note
Confirm the applicable supply-voltage and total-external-static-pressure references before treating either comparison as a project finding. If the references apply, verify source voltage and inspect the air-side system for avoidable restriction.
The evacuation record does not include a hold duration or ending value, so that commissioning step cannot be verified from this record. Purge-gas use and the filter-drier view remain documentation gaps; neither gap proves the step or component was absent.
Record boundaries
What this record does and does not say.
Documentation, not certification
The record shows what was supplied, compared, and reviewed. It does not certify the installation or replace the owner’s inspection process.
Evidence states stay explicit
Missing, partial, unclear, not assessed, and unable to compare remain distinct. No state is silently treated as compliant.
Sources remain traceable
Manufacturer instructions control when applicable. Generic or program references are labeled separately and retained with the comparison method.
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