Home » Products » Refrigeration Compressor » TECUMSEH COMPRESSOR » FH Series » Wholesale Tecumseh R404 FH4522F TFH4522F FH4524F TFH4524F FH4531F TFH4531F TFH4538F TFH4540F Refrigeration Heat Exchange Parts

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Wholesale Tecumseh R404 FH4522F TFH4522F FH4524F TFH4524F FH4531F TFH4531F TFH4538F TFH4540F Refrigeration Heat Exchange Parts

Wholesale Tecumseh R404 FH4522F TFH4522F FH4524F TFH4524F FH4531F TFH4531F TFH4538F TFH4540F Refrigeration Heat Exchange Parts

Name: Wholesale Tecumseh R404 FH4522F TFH4522F FH4524F TFH4524F FH4531F TFH4531F TFH4538F TFH4540F Refrigeration Heat Exchange Parts
Brand: Tecumseh
Rating: 5.0 (70 reviews)

The refrigeration compressor is a medium/high back pressure compressor produced by Tecumseh France, belonging to the R22 refrigerant series. This compressor is designed to provide efficient and reliable cooling for a variety of applications. With its advanced technology and high-quality components, it ensures optimal performance and durability. The compressor is suitable for use in various refrigeration systems, making it a versatile and cost-effective solution for your cooling needs. Trust Tecumseh's expertise and reputation for delivering top-notch compressors that meet the highest standards of quality and performance.

Model:
FH4522F TFH4522F FH4524F TFH4524F FH4531F TFH4531F TFH4538F TFH4540F
Brand:
Tecumseh

Availability:

Product Description

Features & Advantages:

This group forms a "refrigerant correspondence" with Group 3 — the suffix "F" denotes R22 compatibility, while the suffix "Z" designates environmentally friendly refrigerants such as R404A / R452A. The compressors in this group support a wide range of refrigerants including R404A, R452A, R448A, R449A, and R507A, delivering exceptional refrigerant versatility.

They are designed for High Back Pressure (HBP) medium-to-high temperature applications, with an evaporating temperature range of -15°C to +15°C. Among them, the FH4540Z / TFH4540Z serves as the flagship model of this group, featuring a displacement of 74.2 cc and a Rotalock connection design. When operating with R404A / R507A, it is rated for a maximum pressure of 35 bar, making it suitable for demanding industrial refrigeration and heat pump systems.

This group represents the ideal upgrade path for R22 retrofit and transition projects.

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适用场景

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未标题-1 厂拼1 厂拼3 CUSTOMER SERVICE客户服务加水印 LOGISTICS SOLUTIONS物流解决方案 FAQ常见问题

Q1: New unit trips and burns out 10 minutes after startup, right after evacuation and installation

Cause: POE oil absorbs moisture (exposed to air for >15 min), and the system was not purged with nitrogen → acid formation and motor insulation breakdown.
Answer: For Z-version units, brazing must be done under nitrogen blanketing, and the vacuum pump must be equipped with a check valve. Use the entire POE container immediately after opening. After a burnout, the entire system must be acid-flushed.

Q2: On an R404A system, the 4540Z at -10°C evaporation only delivers ~70% of rated capacity

Cause: Superheat set above 10°C (target for R404A is 5–8°C), or a frozen/restricted drier.
Answer: Readjust the TXV; check the drier pressure drop and replace if discolored; confirm no R22 has been mixed into the system.

Q3: Three-phase TFH45xxZ still won't start after a new capacitor was installed

Cause: Three-phase Z-version units have no start capacitor — they rely on direct-on-line starting. If it won't start, the issue is the winding or power supply; do not keep adding capacitors.
Answer: Measure three-phase insulation-to-ground and U-V-W resistance balance. Three-phase Z-version units do not require single-phase-type starting components.