Trane HTR1222 Sump Heater

The Trane HTR1222 is a high-performance 92W 460V Sump Heater engineered for industrial and commercial HVACR applications where reliable thermal management is non-negotiable. As an essential component for compressor protection, this heater maintains optimal oil temperatures in the sump to prevent refrigerant migration and ensure the lubricity of the system during off-cycles. Operating at 460 Volts, the HTR1222 provides a consistent 92 Watts of heat, making it an ideal choice for chiller plants and high-tonnage air handling units that utilize Trane OEM parts for peak operational efficiency.

For technicians and mechanical contractors, the Trane HTR1222 offers a precise fit for legacy and modern systems requiring a 460V crankcase heater or sump-specific heating element. Its durable construction is designed to withstand the harsh environments found in HVAC maintenance and large-scale refrigeration systems. By preventing "cold starts" and reducing the risk of catastrophic compressor failure due to liquid slugging, this sump heater integrates seamlessly into existing control strategies, ensuring your equipment meets rigorous performance standards without excess energy consumption.

• Optimized Thermal Management: Delivers a steady 92W output to maintain oil viscosity and prevent refrigerant dilution in the compressor sump.
• High-Voltage Compatibility: Specifically rated for 460V industrial electrical systems, ensuring seamless integration with commercial-grade power supplies.
• Enhanced System Reliability: Critical for compressor longevity by eliminating liquid refrigerant migration during low-ambient conditions.
• Precision OEM Fit: Designed as a direct replacement component, reducing installation time and ensuring HVAC equipment compatibility.
• Durable Engineering: Built to handle the continuous thermal cycling found in demanding HVACR service environments.

What is the primary function of the Trane HTR1222 in a chiller system?
It serves as a crankcase heater, keeping the oil in the compressor sump warmer than the coldest part of the system to prevent refrigerant from condensing into the oil, which could lead to lubrication failure during startup.

Can this heater be used on non-Trane systems?
While designed as a Trane replacement part, it can be utilized in any application requiring a 92W, 460V heating element, provided the physical dimensions and mounting requirements align with the compressor's sump design.

What happens if a 460V sump heater is wired to a lower voltage?
Wiring the HTR1222 to a voltage lower than 460V will significantly reduce the wattage output (following Ohm's Law), resulting in insufficient heat and potential compressor slugging issues.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.