Applicable Systems
YVAA
Symptoms
A leak has been detected in the system. Operating efficiency is reduced and safety may be compromised.
Possible Causes
- Joint or fitting loosened by vibration
- Seal or gasket degraded over time
- Component corrosion or mechanical damage creating a leak path
Troubleshooting Steps
- Step 1: Perform leak detection to locate the source
Leak source identified - Step 2: Tighten or replace the leaking joint, seal, or component
Leak repaired and verified - Step 3: Verify system integrity by pressure or leak testing after repair
System holds pressure with no leaks
How to Reset
To reset: Clear the leak alarm after confirming the system is sealed and pressure-tested.
Source: York YVAA Chiller Manual, Johnson Controls/York
Category: Chiller