Armstrong Air 1.911539 Evaporator Coil, 2 ton Nominal, Upflow/Downflow Air Flow, Cased Enclosure - 1.911539
The Armstrong Air 1.911539 Evaporator Coil is designed for two-ton nominal cooling systems, providing flexibility with up flow or downflow airflow configurations. This unit comes enclosed for ease of installation and long-term durability in residential or commercial settings.
The coil features Microban technology to resist mold and mildew, significantly enhancing indoor air quality. The design allows for easy access for maintenance, and the insulation is designed for efficient cleaning.
Features
- Application flexibility with up flow or counterflow
- Low water retention drain pan to minimize mold growth
- Easy maintenance with dual drain connections
 Specifications
| Air Flow Type |
Upflow/Downflow |
| Dimensions |
20-1/2" H x 17-1/2" W x 21" D |
| Enclosure Type |
Cased |
| Liquid Line Size |
3/8 inches |
| Nominal Capacity |
2 ton |
| Refrigerant Type |
R-22 / R-410A |
| Suction Line Size |
3/4 inches |
| Package Weight |
40.0 lb |
| Mfg Standards/Approvals |
AHRI Certified, cULus Listed |
| Brand |
Armstrong Air |
| Part Number |
L6942 |
What our Expect Think
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Efficient Cooling: Optimized for 2-ton capacity, delivering consistent and effective cooling performance.
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Versatile Installation: Supports both upflow and downflow airflow configurations, offering flexible setup options.
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Durable Construction: Cased enclosure ensures protection and longevity, even under demanding conditions.
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Improved Air Quality: Designed to optimize refrigerant flow for better moisture control and clean air distribution.
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Energy Efficient: Enhances overall system performance, helping reduce energy consumption and lowering utility bills.
Q&A
Q: What is the Armstrong Air 1.911539 Evaporator Coil?
A: The 1.911539 is a 2-ton evaporator coil designed for use in Armstrong Air HVAC systems, featuring upflow/downflow air flow capabilities and a durable cased enclosure.
Q: Is this evaporator coil suitable for all Armstrong Air systems?
A: The 1.911539 is compatible with select Armstrong Air HVAC systems. Ensure compatibility with your specific unit before purchasing.
Q: How does this evaporator coil improve system performance?
A: By efficiently absorbing heat, this evaporator coil improves cooling efficiency and ensures consistent temperature control, enhancing overall HVAC system performance.
Q: Does it require professional installation?
A: Yes, professional installation is recommended to ensure proper setup, optimal performance, and warranty compliance.
Maintenance Tips
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Clean the Coils: Regularly clean the evaporator coils to remove dust, dirt, and debris, which can reduce cooling efficiency and cause system strain.
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Check for Leaks: Inspect the evaporator coil for refrigerant leaks, which can cause system inefficiency and potential damage.
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Ensure Proper Airflow: Keep the airflow unobstructed by regularly cleaning or replacing air filters and checking for any blockages in the ducts.
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Inspect Drainage: Verify that the condensate drain line is clear to prevent water buildup, which can damage the coils and surrounding components.
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Check Insulation: Ensure the coil’s insulation is intact and in good condition to prevent energy loss and maintain optimal cooling performance.
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Monitor Temperature: Regularly monitor the coil’s temperature during operation to ensure it is cooling within the manufacturer’s recommended range.
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Professional Inspection: Schedule annual inspections by a professional to ensure the coil is functioning correctly and to catch any potential issues early.
