he variable frequency oil-free centrifugal chiller uses Jiebang's high-efficiency full-liquid evaporator and high-efficiency condenser, and uses green and environmentally friendly refrigerant HFC-134a
to control the water temperature accurately, reaching ±0.1℃. The temperature of the general unit is controlled at ±1℃.
The working pressure is positive pressure, non-toxic and environmentally friendly, has no destructive effect on the ozone layer, and is safe to operate.
The unit's comprehensive partial efficiency IPLV is as high as 10, and the partial load COP value exceeds 13. At present, most constant speed centrifugal units have an IPLV of 6.3, and screw chillers have an IPLV of 4.5 (national standard water cooling conditions).
The entire unit has no oil supply system, which fundamentally solves the problem of system oil return, avoids compressor oil loss failure, and avoids the heat exchange efficiency of the heat exchanger reduced by oil coverage.
Applications:
1. It can be widely used in HVAC, industrial cooling and other fields, especially suitable for projects with special requirements.
2. For buildings applying for LEED (a tool for evaluating green buildings) certification, the environmental friendliness of the refrigerant, energy saving and low noise characteristics of the magnetic levitation unit can add points to LEED.
3. Buildings with strict noise restrictions (such as hospitals, exhibition halls, churches, teaching buildings, laboratories, etc.).
4. The computer room is small or the computer room renovation project is required.
5. Process cooling water projects with high temperature control accuracy of ±0.1℃ and stable heat load demand.
