What should be monitored when a rooftop air conditioning system experiences fluctuating pressures?

When a rooftop air conditioning system experiences fluctuating pressures, monitoring the compressor oil level is crucial. The oil in a compressor plays a vital role in lubrication and ensures smooth operation. If the oil level is low, it can lead to insufficient lubrication, causing the compressor to overheat and possibly fail. This can create pressure fluctuations within the system, affecting overall performance.

The health of the compressor and its lubrication system is essential for maintaining stable refrigerant pressures, so keeping a close eye on the oil level can help diagnose issues early and prevent more significant problems. Proper oil levels facilitate proper operation, ensuring the pressures remain stable and the system functions effectively.