| Maintenance |
|
|
4.6Changing the Second-Stage Separator Element
To replace the
1.Turn off and isolate the Compressor from all power sources.
2.Turn off the gas supply.
3.Vent the system to 0 psig. Follow applicable safety procedures and codes.
4.Loosen the separator element by turning it counterclockwise with a strap wrench.
5.Remove the separator element. Verify the gasket is removed with the separator.
6.Inspect the separator block for contaminants and remove any debris.
7.Apply a small amount of oil to the gasket and internal "O" ring on the new separator element.
8.Install the element on the separator block; turn clockwise to tighten.
9.Return the Compressor Package to service.
10.Check for leaks at all fittings that have been disturbed
5.0Troubleshooting
This section offers tips for troubleshooting.
5.1Troubleshooting Guide
Refer to Table 6 for recommended solutions to typical problems.
Table 4 | Troubleshooting | ||
Problem |
| Recommended Actions | |
Low Inlet |
| • Closed gas inlet valve. | |
|
| ||
Gas Pressure | • Restricted or insufficient gas supply. | ||
Fault |
| • Blocked inlet filter/screen (located internally on the Compressor Module inlet block). | |
|
| ||
High Oil |
| • Blocked air flow across oil cooler. | |
| • Ensure cooling fans are operating when the unit is running and up to temperature; at | ||
Temperature | |||
approximately 180°F (82°C), fans should start to run at minimum speed. | |||
Fault |
| ||
| • Ensure adequate oil level in | ||
|
| ||
|
| ||
High Discharge | • Restricted discharge and bypass valve fault. | ||
Pressure Fault | |||
| |||
VFD Fault |
| • The drive LED will display the specific fault (see Table 7). | |
Table 5 | VFD fault codes and descriptions | |
Code |
| Description |
UU |
| Insufficient voltage |
OU |
| Excessive voltage |
OI.AC |
| Excessive motor current (instantaneous condition) |
It.AC |
| Excessive motor current (overload condition) |
Oh1, Oh2 |
| Excessive heat sink temperature |
Ph |
| Loss of AC supply phase |
22 |
