Ensure premium thermal management and long-term operating durability with the Danfoss FR8.5S. Engineered to deliver consistent and smooth compression, this 1/4 HP low-temperature hermetic reciprocating compressor relies on a precise internal mechanism engineered for high-density blended HFC refrigerants. This simplified layout minimizes routine mechanical wear, drastically limits acoustic noise output, and cuts down on structural system vibration compared to legacy generic engines, all while maintaining an eco-conscious sub-zero efficiency profile. Perfect for maintenance engineers, HVAC technicians, and facility management teams across Lagos, this robust workhorse is designed to tolerate tough field conditions, including steep compression ratios and intense low-pressure suction drops. The unit comes factory-charged with premium Polyolester (POE) oil to ensure reliable mechanical lubrication in demanding low-temperature R404A/R507 environments. Standard copper suction and discharge connection stubs make certain that technicians can pull a clean, completely leak-proof braze line during drop-in field installation.
Technical Specifications
| Specification | Value |
| Brand | Danfoss (Secop) |
| Model Family | FR-Low Temp Series Reciprocating |
| Model Number | FR8.5S (COMROT-DNFS03) |
| Horsepower (HP) | 1/4 HP |
| Refrigerant Compatibility | R404A / R507 Only |
| Voltage / Phase / Freq | 220-240V / 1-Phase / 50Hz |
| Application Type | Low Back Pressure (LBP) Commercial Freezers |
| Suction Connection Size | 5/16″ OD Standard Stub |
| Discharge Connection Size | 1/4″ OD Standard Stub |
| Oil Type | High-Purity Polyolester (POE) Oil |
Shipping & Logistics Data
-
Net Weight: ~10.5 kg
-
Gross Shipping Weight (with protective packaging): ~10.9 kg
-
Product Dimensions: 26.0 cm × 18.0 cm × 21.0 cm (Box Dimensions)








