RTU-1 (25-ton rooftop)
Carrier 48TCFD28 · 3201 Williams Dr, Georgetown, TX 78628
14 photosGenerate EPA 608 report
Leak repair case open
9.0 lb added over 12 months against a 62.0 lb full charge · Opened Sep 1, 2026 · Repair due Oct 1, 2026
Details
- Make
- Carrier
- Model
- 48TCFD28
- Serial
- 4816C77777
- Installed
- Mar 31, 2016
- Status
- In service
- Age
- 10 years old
- Refrigerant
- R-410A
- Full charge
- 62.0 lb
- Capacity
- 25 ton
No warranty on file
Location: Roof, north
Photos
Refrigerant and leak rate
Trailing 12-month leak rate
14.5%Over the threshold
0%Threshold 10%40%
9.0 lb added over 12 months against a 62.0 lb full charge
Leak repair rule applies to this appliance
Thresholds and applicability are pending verification against current EPA rules. See the assumptions register.
Leak repair case open
Opened Sep 1, 2026
Repair due Oct 1, 2026
21 days left on the repair clock
- Initial verification testPending
- Follow-up verification testPending
Refrigerant log
Every addition and recovery on this appliance. Retained for at least three years.
Export audit record
| Date | Action | lb | Cylinder | Technician | Notes |
|---|---|---|---|---|---|
| Sep 10, 2026 | Recovered | 2.0 lb | RCV-410-004 | Marcus Reed | Recovered from circuit 1 for braze repair. |
| Sep 1, 2026 | Added | 3.5 lb | CYL-410-026 | Marcus Reed | Trailing 12-month additions now 9.0 lb of 62.0 lb charge (14.5%). |
| Sep 1, 2026 | Leak test | — | — | Marcus Reed | Leak located at circuit 1 suction line braze joint. |
| Apr 11, 2026 | Added | 2.5 lb | CYL-410-022 | Tommy Nguyễn | — |
| Nov 4, 2025 | Added | 3.0 lb | CYL-410-018 | Marcus Reed | — |
Service history
- Sep 10, 2026J-2026-0414Refrigerant leak repairIn progressRTU-1 leak repair: braze circuit 1 suction line joint, evacuate, recharge, initial verification test. 30-day repair clock (due 2026-10-02).Marcus Reed
- Sep 1, 2026J-2026-0398AC repairCompletedRTU-1 low cooling. Leak found at circuit 1 suction braze joint. Added 3.5 lb. Leak-rate threshold exceeded, repair case opened.Marcus Reed
- Apr 11, 2026J-2026-0171Heat pump maintenanceCompletedSpring maintenance RTU-1 and RTU-2. RTU-1 added 2.5 lb.Tommy Nguyễn
- Nov 4, 2025J-2025-1240AC repairCompletedRTU-1 low cooling, added 3.0 lb.Marcus Reed