Maintenance

Refrigeration Maintenance and Inspection Schedule

The following service intervals are based on the usage of Vilter Manufacturing Corporation Premium Grade refrig- eration oil in VSS, VSM and VSR Single Screw Compressor units.

 

Inspection

SERVICE INTERVAL (HOURS)

 

 

 

 

 

 

 

 

 

Or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10,000

20,000

30,000

40,000

50,000

60,000

70,000

80,000

90,000

100,000

110,000

120,000

Group

Maintenance

200

5,000

 

Item

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OIL CIRCUIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Oil Change (1)

 

R

 

R

 

R

 

R

 

R

 

R

 

R

 

Oil Analysis (2)

 

S

S

S

S

S

S

S

S

S

S

S

S

S

 

Oil Filters (3)

R

R

R

R

R

R

R

R

R

R

R

R

R

R

 

Oil Strainer

I

I

I

I

I

I

I

I

I

I

I

I

I

I

PACKAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Coalescing Elements

 

 

 

 

R

 

 

R

 

 

R

 

 

R

 

Suction Screen

I

I

I

I

I

I

I

I

I

I

I

I

I

I

 

Liquid Line Strainers

I

I

I

I

I

I

I

I

I

I

I

I

I

I

 

Coupling Alignment

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

and Integrity

I

I

I

I

I

I

I

I

I

I

I

I

I

I

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CALIBRATION

Transducers

I

I

I

I

I

I

I

I

I

I

I

I

I

I

 

RTD’s

I

I

I

I

I

I

I

I

I

I

I

I

I

I

COMPRESSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Inspect Compressor

 

I

 

I

 

I

 

I

 

I

 

I

 

I

 

Bearings

 

 

 

 

 

 

 

 

 

 

 

 

 

I

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Key I Inspect.

RReplace.

SSample.

Notes: (1) The oil should be changed at these intervals, unless oil analysis results exceed the allowable limits. The frequency of changes will depend on the system cleanliness.

(2)Oil analysis should be done at these intervals as a minimum; the frequency of analysis will depend on system cleanliness.

(3)The oil filter(s) on a minimum must be changed at these intervals or annually if not run continuously. However, the oil filter(s) must be changed if the oil filter differential exceeds 12 psi or oil analysis requires it.

NOTE: See Motor Manual for proper lubrication procedures and service intervals.

87

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Emerson VSR, VSM, VSS service manual Maintenance, OIL Circuit, Package, Control Calibration
Page 86 Page 88

VSS, VSM, VSR specifications

Emerson VSM, VSR, and VSS are advanced technologies designed for process automation and control, often utilized in industrial applications. These systems are part of Emerson's broader portfolio of solutions aimed at enhancing operational efficiency, safety, and reliability.

The Emerson VSM, or Valve Signature Management, focuses on the digital management of valves within a system. One of its main features includes advanced diagnostics that monitor the health and performance of control valves. This technology allows for predictive maintenance, ensuring that valves operate at peak efficiency and reducing the risk of unexpected failures. The VSM utilizes a combination of smart sensors and actuators to gather data, enabling real-time analytics that can enhance decision-making and operational strategies.

On the other hand, VSR, or Valve Status Reporting, enhances visibility into the operational state of valves in real time. This system provides operators with critical updates and alerts related to valve conditions, significantly reducing response times to potential issues. The VSR technology integrates seamlessly with existing control systems, allowing for easier implementation and minimal disruption to ongoing operations. The reporting capabilities feature user-friendly dashboards that present complex data in a straightforward manner, empowering operators to make informed decisions quickly.

The Emerson VSS, or Valve Service Solutions, complements the VSM and VSR by focusing on the maintenance and support of valve systems. This offering includes comprehensive service packages that range from routine maintenance to advanced troubleshooting and repair. The VSS is designed to improve the lifespan of valves through proactive service, ensuring reliability and minimal downtime. Emerson’s trained technicians leverage predictive analytics derived from VSM and VSR data, allowing for timely intervention before issues escalate.

In summary, Emerson’s VSM, VSR, and VSS technologies work together to create a robust ecosystem for valve management in industrial settings. The combination of advanced diagnostics, real-time reporting, and comprehensive service solutions provides operators with a powerful toolkit aimed at optimizing performance and ensuring operational reliability. With these technologies, companies can embrace digital transformation, reduce operational risks, and improve overall process efficiency, leading to a safer and more productive environment. Each component plays a crucial role in empowering industries to meet the challenges of modern automation and maintain competitive advantages in their respective markets.
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