InvoTech YF-V621 Vapor-Injection Low-Temperature Scroll Compressor
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InvoTech YF-V621 Vapor-Injection Low-Temperature Scroll Compressor
InvoTech YF-V621 Vapor-Injection Scroll Compressor
The InvoTech YF-V621 Series is a hermetic scroll compressor range developed for low-temperature R404A refrigeration systems using vapor-injection technology.
When integrated with a correctly designed economizer and vapor-injection circuit, the compressor supports improved low-temperature capacity, discharge-temperature management and reliable operation under demanding freezing conditions.
Key Features
- Hermetic scroll compressor construction
- Vapor-injection technology for low-temperature refrigeration
- Supports improved low-temperature cooling performance
- Helps manage compressor discharge temperature
- Designed for R404A refrigeration systems
- Three-phase electrical configuration
- Low vibration and smooth scroll compression
- Suitable for freezer rooms and frozen-food storage
Technical Overview
| Compressor Type | Hermetic Scroll Compressor |
|---|---|
| Injection Method | Vapor Injection |
| Application | Low-Temperature Refrigeration |
| Refrigerant | R404A |
| Lubricant | POE |
| Power Supply | Three-phase; confirm the exact model nameplate |
| System Requirement | Economizer and correctly designed vapor-injection circuit |
Typical Applications
- Low-temperature cold rooms
- Frozen-food storage
- Commercial freezer systems
- Low-temperature condensing units
- Food-processing refrigeration
- Systems requiring enhanced low-temperature performance
Available Models
YF20E1G-V621, YF35E1G-V621 and YF41E1G-V621
Important Verification Notice
The supplied manufacturer manual confirms InvoTech vapor-injection technology, but it does not include a separate numerical performance table for these V621 model codes.
Do not apply numerical data from the V100 or Q621 Series to V621 models. Exact cooling capacity, input power, current, oil charge, dimensions and operating limits must be confirmed using the factory V621 selection sheet or compressor nameplate before publication or ordering.
| Model |
YF20E1G-V621, YF35E1G-V621, YF41E1G-V621 |
|---|



