LT-S-L Technical manual
Figure 5-6.Connector for Liquid Injection to Chamber
1
）
High Stage Compression Chamber Cooling
After low stage compression, the gas temperature is high. Although the
economizer provides medium pressure air to mix with the low stage discharged gas,
which realizes intermediate cooling to some extent, the refrigerant remains with high
temperature because it is also responsible for the cooling of the motor. Thus, when the
refrigerant with over high temperature is compressed in high stage, the liquid
injection cooling function become a must. That's why Hanbell requires that the high
stage chamber liquid injection
cooling must be applied.
★
Note
：
Hanbell recommends to
use oil for liquid injection to
chamber.
Basic Oil Circuit System(right)
Figure 5-7. Basic Oil Circuit System
5.2.4
Protection in Oil Circuit
The normal operation of the oil circuit system is critical to the reliability of
compressor. To ensure the normal operation of the capacity modulation, the bearing
lubrication and the cooling effect, please pay attention to the below points:
1
）
Oil temperature
Hanbell has strict requirements on the oil inlet temperature of the compressor
