Quick Reference Guide
Precedent™ – Standard
Efficiency
3 to 10 Tons Packaged Heat
Pumps
Model Number: WSC
Used With: Heat Pumps
Copyright
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Revision History
- Updated the Standard efficiency, 3 to 10 ton packaged rooftop performance data (heat pump) table.
- Updated Unit MCA and MOP electrical data table.
- Updated Unit indoor fan data (heat pump) table.
- Updated Unit dimensional data table.
| 0 to 50% Motorized Outside Air damper | Hail Guard |
| Air-Fi® Wireless Communication Interface | Hinged Access Panels |
| BACnet® Communication Interface (BCI-R) | Human Interface – 5-inch Color Touchscreen |
| Barometric Relief | Lon Talk® Communication Interface (LCI) |
| Belt Drive Motor | Manual Outside Air Damper |
| Black Epoxy Pre-coated Condenser Coil | MERV 8 Filters |
| Clogged Filter Switch | MERV 13 Filters |
| Condensate Overflow Switch | Multi-speed Indoor Fan System |
| Demand Control Ventilation Wiring | Powered Convenience Outlet |
| Discharge Air Temperature Sensing Tube | Relate™ Controls |
| Economizer – Comparative Enthalpy | Single Zone Variable Air Volume (SZVAV) |
| Economizer – Dry Bulb | Stainless Steel Drain Pan |
| Economizer – Low Leak, Dry Bulb | Supply, Return, and Plenum Air Smoke Detectors |
| Economizer – Reference Enthalpy | Through-the-Base Electric Provision |
| Fan Failure Switch | Unit Mounted Circuit Breaker |
| Frostat™ | Unit Mounted Non-fused Disconnect |
| Fault Detection and Diagnostics (FDD); Meets CA Title 24 requirements | Unpowered Convenience Outlet |
(a) Verify option availability in product catalog.
Table 2. Standard efficiency, 3 to 10 ton packaged rooftop performance data (heat pump)
| Nominal Size (Tons) | 3 | 4 | 5 | 7.5 | 8.5 | 10 |
| Cooling Performance | ||||||
| Supply Air (cfm) | 1,200 | 1,600 | 2,000 | 3,000 | 3,400 | 4,000 |
| Tot / Sens Cap (MBh) | 39.3/29.3 | 49.8/38.3 | 61.0/48.8 | 95.3/ 74.6 | 103.2/83.4 | 118.1/97.0 |
| EER/SEER | 3,4 = 12.1/14.3 W = 12.0/14.3 | 3,4 = 12.3/14.3 W = 12.2/14.3 | 3,4 = 12.3/14.3 W = 12.2/14.3 | 11.3 | 11.0 | 11.0 |
| SEER2/EER2(a) | 13.4/10.6 | 13.4/10.6 | 13.4/10.6 | — | — | — |
| IEER(b) | N/A | N/A | N/A | 14.1 | 14.1 | 14.1 |
| Heating Performance | ||||||
| High Temperature Btuh Rating | 36,000 | 47,500 | 59,000 | 88,000(c) | 92,000(c) | 106,000 |
| COP | 3.50 | 3.50 | 3.50 | 3.40 | 3.40 | 3.40 |
| COP2 | 3.40 | 3.50 | 3.50 | — | — | — |
| Low Temperature Btuh Rating | 20,600 | 26,000 | 35,000 | 48,000 | 48,500 | 58,500 |
| COP | 2.20 | 2.30 | 2.30 | 2.25 | 2.10 | 2.25 |
| COP2 | 2.20 | 2.30 | 2.30 | — | — | — |
| HSPF | 8.00 | 8.20 | 8.20 | — | — | — |
| HSPF2(a) | 7.20 | 7.20 | 7.20 | — | — | — |
| Other Information | ||||||
| Net Weight (lbs) | 507 | 540 | 682 | 796 | 829 | 850 |
| Roof Curb | BAYCURB042* | BAYCURB043* | ||||
| Unit Cabinet Size | F | C | D | |||
| Filters(d) – Type Furnished | Throwaway | Throwaway | Throwaway | Throwaway | Throwaway | Throwaway |
| Number Size Recommended | (2) 20x35x2 | (2) 20x35x2 | (4) 16x25x2 | (4) 20x25x2 | (4) 20x25x2 | (4) 20x25x2 |
(a) COP2 and HSPF2 are rated at AHRI conditions and calculated in accordance with AHRI Standard 210/240-2023. Airflow and net capacity not shown.
(b) 12.9/13.4 IEER for multi-speed/SZVAV option.
(c) High Temperature Btu/h Rating 89,000 for WSC102H VAV option, 87,000 for WSC092H VAV option.
(d) Optional 2-inch MERV 8 and MERV 13 filters also available.
Table 3. Unit MCA and MOP electrical data
| WSC | Volts | Standard Indoor Motor(a) | Oversized Indoor Fan Motor | Optional EBM Indoor Fan Motor | |||
| MCA | MOP | MCA | MOP | MCA | MOP | ||
| 036 | 208-230/3 | 26 | 40 | 29 | 40 | — | — |
| 460/3 | 11 | 15 | 13 | 15 | — | — | |
| 575/3 | 11 | 15 | 11 | 15 | — | — | |
| 048 | 208-230/3 | 27 | 40 | 28 | 40 | — | — |
| 460/3 | 12 | 15 | 13 | 15 | — | — | |
| 575/3 | 12 | 15 | 12 | 15 | — | — | |
| 060 | 208-230/3 | 31 | 45 | 32 | 45 | — | — |
| 460/3 | 15 | 20 | 15 | 20 | — | — | |
| 575/3 | 13 | 15 | 13 | 15 | — | — | |
| 092 | 208-230/3 | 40 | 60 | 46 | 70 | 44 | 60 |
| 460/3 | 18 | 25 | 21 | 30 | 20 | 30 | |
| 575/3 | 14 | 20 | 16 | 20 | 20 | 25 | |
| 102 | 208-230/3 | 45 | 70 | 48 | 70 | 46 | 70 |
| 460/3 | 20 | 30 | 22 | 30 | 21 | 30 | |
| 575/3 | 16 | 20 | 17 | 25 | 21 | 25 | |
| 120 | 208-230/3 | 54 | 80 | — | — | — | — |
| 460/3 | 24 | 35 | — | — | — | — | |
| 575/3 | 23 | 30 | — | — | — | — | |
(a) The standard motor for 3-phase models (3 to 5 and 10 ton) is a multispeed, direct drive motor.
The standard motor for 3-phase (6 to 8.5 tons) is a belt drive motor.
Table 4. Unit indoor fan data (heat pump)
| WSC | Volts | Standard HP – RPM | Oversize HP – RPM |
| 036 | 208-230/3 | 0.75/MULT | 1.5/MULT |
| 460/3 | 0.75/MULT | 1.5/MULT | |
| 575/3 | 0.75/MULT | 1.5/MULT | |
| 048 | 208-230/3 | 1/MULT | 1.5/MULT |
| 460/3 | 1/MULT | 1.5/MULT | |
| 575/3 | 1/MULT | 1.5/MULT | |
| 060 | 208-230/3 | 1/MULT | 1.5/MULT |
| 460/3 | 1/MULT | 1.5/MULT | |
| 575/3 | 1/MULT | 1.5/MULT | |
| 092(a) | 208-230/3 | 1-1725 | 2-1725 |
| 460/3 | 1-1725 | 2-1725 | |
| 575/3 | 1-1725 | 2-1725 | |
| 102(a) | 208-230/3 | 2-1725 | 3-1725 |
| 460/3 | 2-1725 | 3-1725 | |
| 575/3 | 2-1725 | 3-1725 | |
| 120 | 208-230/3 | 2.75/MULTI | — |
| 460/3 | 2.75/MULTI | — | |
| 575/3 | 2.75/MULTI | — |
(a) Multi-speed and single zone VAV fan option uses 2.75 – MULT motor.
Table 5. Unit dimensional data
| Cabinet Size (Digit30) | |||
| C | D | F | |
| Unit Length UL | 88 5/8 | 88 5/8 | 69 7/8 |
| Unit Width UW | 53 1/4 | 53 1/4 | 44 1/4 |
| Unit Height UH | 40 7/8 | 46 7/8 | 40 7/8 |
| Clearance C1 | 48 | 48 | 48 |
| Clearance C2 | 36 | 36 | 36 |
| Clearance C3 | 36 | 36 | 36 |
| Clearance C4 | 36 | 36 | 36 |
| Clearance C5 | 72 | 72 | 72 |
| Curb Length CL | 84 1/2 | 84 1/2 | 65 13/16 |
| Curb Width CW | 50 3/8 | 50 3/8 | 41 7/16 |
| Supply Length SL(a) | 18 1/2 | 18 1/2 | 16 3/4 |
| Supply Width SW(a) | 34 3/8 | 34 3/8 | 17 7/8 |
| Return Length RL(a) | 18 1/4 | 18 1/4 | 14 9/16 |
| Return Width RW(a) | 34 3/8 | 34 3/8 | 25 3/16 |
(a) Dimensions are for roof curb openings and not duct inserts. Reference the product catalog for duct insert dimensions.
Trane and American Standard create comfortable, energy efficient indoor environments for commercial and residential applications. For more information, please visit trane.com or americanstandardair.com.
Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.
©2022
RT-PRC051Q-EN 20 Dec 2022
Supersedes RT-PRC051P-EN (Mar 2020)
American Standard® | Air Conditioning and Heating | HVAC Systems
Trane Heating & Air Conditioning
