InvoTech YF-Q621 Quiet-Enhanced Liquid-Injection Scroll Compressor
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InvoTech YF-Q621 Quiet-Enhanced Liquid-Injection Scroll Compressor
InvoTech YF-Q621 Liquid-Injection Scroll Compressor
The InvoTech YF-Q621 Series is a quiet-enhanced hermetic scroll compressor range designed for demanding low-temperature refrigeration applications.
Its liquid-injection configuration helps control compressor discharge temperature during low-temperature operation, supporting reliable performance in freezer rooms, frozen-food storage and commercial low-temperature condensing units.
Key Features
- Quiet-enhanced hermetic scroll construction
- Liquid-injection configuration for low-temperature operation
- Improved discharge-temperature control
- R404A and R22 model options
- Three-phase 50 Hz and 60 Hz configurations
- Nominal capacity range from 3 HP to 12 HP
- Low vibration and smooth scroll compression
- Multiple compressor platforms for different capacities
Technical Specifications
| Compressor Type | Hermetic Scroll Compressor |
|---|---|
| Injection Method | Liquid Injection |
| Application | Low-Temperature Refrigeration |
| Refrigerants | R404A or R22, depending on model |
| Power Supply | 380–420 V / 3 Ph / 50 Hz or 460 V / 3 Ph / 60 Hz |
| Nominal Horsepower | 3–12 HP |
| Displacement | 46.6–189.1 cc/rev |
| Lubricant | POE for R404A models; 3GS for R22 models |
| Crankcase Heater | 70–90 W, depending on model |
| Initial Oil Charge | 1.4–3.5 L |
| Net Weight | Approximately 31–57 kg |
| Platforms | 163L, 163H and 190H |
Nominal Rating Conditions
- Evaporating temperature: −31.6°C
- Condensing temperature: 40.6°C
- Suction superheat: 36 K
- Subcooling: 0 K
- Ambient temperature: 35°C
Typical Applications
- Walk-in freezer rooms
- Frozen-food storage
- Ice-making equipment
- Low-temperature food processing
- Supermarket freezer systems
- Commercial low-temperature condensing units
Available Models
R22 Models
YF20A1G-Q621, YF29A1G-Q621, YF35A1G-Q621 and YF41A1G-Q621
R404A Models
YF20E1G-Q621, YF29E1G-Q621, YF35E1G-Q621, YF41E1G-Q621, YF45E1G-Q621, YF56E1G-Q621, YF65E1G-Q621, YF72E1G-Q621 and YF80E1G-Q621
System Design Notice
The liquid-injection components, injection flow and control method must be selected according to the compressor model and actual operating conditions. The compressor must remain within the manufacturer’s approved operating envelope.
| Refrigerant |
R22, R404A |
|---|---|
| Model |
YF20A1G-Q621, YF29A1G-Q621, YF35A1G-Q621, YF41A1G-Q621, YF20E1G-Q621, YF29E1G-Q621, YF35E1G-Q621, YF41E1G-Q621, YF45E1G-Q621, YF56E1G-Q621, YF65E1G-Q621, YF72E1G-Q621, YF80E1G-Q621 |