CH-1 · chiller
Chiller #1
Trane Agility HDWA300 — 250 ton VFD centrifugal, R-513A. .
- Tier
- 1
- Consequence
- 4 CONFIRMED
- Probability
- —
- Risk
- —
- Scored
- 2026-10-24
- Consequence note
- CH-2. Seasonal backup: 2nd chiller only needed at outside-air enthalpy of 31.5 h or higher; losing one does not take the system off line but hits the indoor environment hard, so 4 (Tier 1 floor).
Identity
- Plant tag
- Chiller #1
- Mfr model
- HDWA300
- Type
- Centrifugal, 460 V VFD (Trane Agility)
- Serial No.
- L20A00538
- S.O. No.
- MLQ180A
- AED model
- AFT0359FAAA00C2B1
- AED part No.
- 45369360008
- Date of mfg
- 11-05-20
- Product description
- ETON 250 (250 tons)
Nameplate (unit)
- Nameplate voltage
- 460 V, 3ø 60 Hz
- Nameplate kW
- 139 kW
- RLA
- 185 A
- Line current range
- 414–506 VAC
- MCA
- 230 A
- Max overcurrent protective device
- 400 A
- Short circuit current rating
- 65,000 A
- Compressor motor
- 460 V, 3ø, 60 Hz, VFD — 139 kW / 185 A RLA
- Control circuit
- 115 V AC / 60 Hz / 3000 VA max (CPT)
- Factory charge
- 525 lb of R-513A
- Max refrigerant working pressure
- HI side 300 psig · LO side 200 psig
- Factory test pressure
- HI side 330 psig · LO side 260 psig
Field calibration (kW vs RLA%)
- Point
- 106.9 kW @ 69% RLA
- Fit
- Linear through origin until 2nd point added
Hydronics (plant defaults)
- CHW design flow (dashboard default)
- 597.4 GPM
- Cond design flow (dashboard default)
- 750 GPM
- CHW design temps (twin sheet)
- 55 → 45°F typical selection
Refrigerant
- Type
- R-513A
- Charge
- 525 lb (factory, nameplate)