Foundation™ 3 to 5 Tons Packaged Rooftop Units
Cooling and Gas/Electric - Quick Reference Guide
List of Options
Note: Most Factory Installed Options are available for downflow air discharge units only. Verify with ordering system for availability.
| Factory Installed Options | Field Installed Options |
|---|---|
| Barometric Relief(a) (Downflow Low Leak Economizer Only) | Barometric Relief (Standard and Low Leak Economizer, Downflow and Horizontal Configuration) |
| Complete Coat™ Microchannel Condenser Coil | Crankcase Heater |
| Condensate Overflow Switch | Demand Control Ventilation with CO2 Sensor |
| Economizer (Downflow)(a) | Economizer (Horizontal) |
| Electric Heaters | Frostat™ |
| Low Leak Economizer - Downflow | Low Ambient Kit |
| Manual Outside Air Dampers | Low Leak Economizer - Horizontal |
| Motorized Outside Air Dampers | LP Conversion Kit |
| Oversized Motor | Powered Exhaust |
| Reference or Comparative Enthalpy Economizer | Remote Potentiometer |
| Stainless Steel Heat Exchanger with 10 Year Roof Curb Warranty | |
| Through the Base Electrical Access | |
| Through the Base Gas Piping | Tool-less Hail Guard |
| Unit Mounted Non-Fused Disconnect Switch(b) |
(a) Some field set up required.
(b) Must be ordered with Through-the-Base Electrical option.
Model Information
| Model Number | Used With |
|---|---|
| EBC | Packaged Cooling, Electric Heat (Optional) |
| GBC | Packaged Cooling, Gas Heat |
Safety Warning
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
December 2022
RT-PRC083E-EN ©2022
3 to 5 tons packaged rooftop performance data (gas or electric heat)
| Nominal Size (Ton) | Cooling Performance(a) | Gas Heating Performance | Other Information | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Cooling Capacity | AHRI Net Cooling Capacity | Nominal Airflow CFM/AHRI Rated CFM | EER(b)/EER2(c) | Seasonal Energy Efficiency Ratio (SEER)(d) / (SEER2)(c) | Low Heat (Input/Output) - (Btu/h) | Medium Heat (Input/Output) - (Btu/h) | Net Weight (Lbs) - Gas Heat | Net Weight (Lbs) - Electric Heat | Filters - Type Furnished | Number and Size Recommended | |
| 3 | 37,000 | 36,000 | 1200/1200 | 12/10.6 | 14/13.4 | 72,000/57,600 | 80,000/57,600 | 524 | 473 | Throwaway | (4) 16x16x2 |
| 4 | 51,100 | 49,500 | 1600/1600 | 12/10.6 | 14/13.4 | 72,000/57,600 | 100,000/92,000 | 566 | 516 | Throwaway | (4) 16x16x2 |
| 5 | 59,000 | 57,500 | 2000/1600 | 12/10.6 | 14/13.4 | 72,000/57,600 | 115,000/92,000 | 586 | 536 | Throwaway | (4) 16x16x2 |
(a) Cooling Performance is rated at 95°F ambient, 80°F entering dry bulb, 67°F entering wet bulb.
(b) EER is rated at AHRI conditions and in accordance with AHRI standard 210/240-2017.
(c) EER2 and SEER2 is rated at AHRI conditions and calculated in accordance with AHRI Standard 210/240-2023 at airflow and net cooling capacity not shown.
(d) Seasonal Energy Efficiency Ratio (SEER) is rated in accordance with AHRI standard 210/240 and DOE test procedures.
Unit MCA and MOP electrical data (standard indoor fan motor - cooling or gas heat)
| E/GBC | Volts | MCA(a) | MOP |
|---|---|---|---|
| 036 | 208-230 | 19.5 | 25 |
| 460 | 10.5 | 15 | |
| 575 | 6.8 | 15 | |
| 048 | 208-230 | 23.6 | 35 |
| 460 | 11.0 | 15 | |
| 575 | 8.1 | 15 | |
| 060 | 208-230 | 26.4 | 40 |
| 460 | 12.9 | 20 | |
| 575 | 9.2 | 15 |
(a) Values do not include Power Exhaust accessory.
(b) Unit will operate reliably at 400 Vac.
Unit indoor fan data
| E/GBC | Volts | Standard (HP - RPM) | Oversized (HP - RPM) |
|---|---|---|---|
| 036 | 208-230 | 1-1725 | 2-1725 |
| 460 | |||
| 575 | 380(a) | ||
| 048 | 208-230 | 1-1725 | 2-1725 |
| 460 | |||
| 575 | 380(a) | ||
| 060 | 208-230 | 1-1725 | 2-1725 |
| 460 | |||
| 575 | 380(a) |
(a) Unit will operate reliably at 400 Vac.
Unit dimensional data
| 3 to 5 Tons | |
|---|---|
| Unit Length UL | 76.814 in. |
| Unit Width UW | 47.934 in. |
| Unit Height UH | 42.004 in. |
| Curb Length CL | 70.871 in. |
| Curb Width CW | 41.983 in. |
| Supply Length SL(a) | 21.060 in. |
| Supply Width SW(a) | 14.000 in. |
| Return Length RL(a) | 32.188 in. |
| Return Width RW(a) | 14.430 in. |
(a) Dimensions are for curb openings and not duct inserts. Reference the product catalog for duct insert dimensions.
Diagrams
Diagram 1: Unit Overview
A visual representation of the packaged rooftop unit, showing the overall dimensions and key components. The diagram illustrates the unit's placement on a roof, with labels indicating:
- UL: Unit Length
- UW: Unit Width
- UH: Unit Height
- CL: Curb Length
- CW: Curb Width
- SL: Supply Length (duct connection)
- SW: Supply Width (duct connection)
- RL: Return Length (duct connection)
- RW: Return Width (duct connection)
The diagram shows airflow entering and exiting the unit, typically from the top and sides, and connecting to external ductwork.
Diagram 2: Unit Configuration
This diagram shows a typical installation of the packaged rooftop unit on a roof curb. It highlights the connections for supply and return air ductwork, as well as the external electrical and gas connections. The unit is depicted as a self-contained system ready for operation.
American Standard® | Air Conditioning and Heating| HVAC Systems
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