User Guide
Table Of Contents
- Compressor model designation
- Danfoss scroll compression principle
- Features
- Technical specifications
- Dimensions
- Electrical data, connections and wiring
- Approval and certifications
- Operating conditions
- System design recommendations
- Specific application recommendations
- Sound and vibration management
- Installation
- Compressor handling and storage
- Compressor mounting
- Compressor holding charge
- System cleanliness
- Tubing
- Brazing and soldering
- System pressure test
- Leak detection
- Vacuum evacuation and moisture removal
- Filter driers
- Refrigerant charging
- Insulation resistance and dielectric strength
- Commissioning
- Oil level checking and top-up
- Ordering information & packaging
- Accessories
Application guidelines
31AB237986441643en-US0701
Dew temperature and mean
temperature for R407C
The following operating diagrams show the dierence between mean and dew temperature
application envelopes.
Dew temperature
Example for SZ 084 to 185
Mean temperature
Example for SZ 084 to 185
80
90
100
110
120
130
140
150
160
-10 0 10 20 30 40 50 60 70
S.H. = 54 °F SUPERHEAT
S.H. = 20°F
Condensing temperature (°F)
Evaporating temperature (°F)
Dew temperature conditions
80
90
100
110
120
130
140
150
160
-10 0 10 20 30 40 50 60
Condensing temperature (°F)
Evaporating temperature (°F)
Mean temperature conditions
S.H. = 20 °F
S.H. = 54 °F SUPERHEAT
pressure (log)
enthalpy
Dew
Dew
Mean
Mean
Operating conditions