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We are all told, “live your life to the fullest”; I am here to do just that. EPC Engineering Insight serves as a vessel to project my passions, and clue in my loyal readers as to what inspires me in this crazy world. So, sit back, relax, and read on.

Scholenberg

Jan 27, 20223 min read

How to Manually Calculate Chiller Capacity for Your Process

If you don’t like the idea of expert guidelines for estimating process heat loads, or just plain prefer to make your own calculations...

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Scholenberg

Dec 12, 20217 min read

Variable Primary Flow Design in Chiller

Modern DDC controllers on chillers allow the possibility of variable flow design. Traditional thinking has been that the chiller should...

310 views0 comments

Minimum Chilled Water Volume in Chillers

Scholenberg

Dec 12, 20212 min read

Minimum Chilled Water Volume in Chillers

The volume of chilled water in the chilled water system acts as a damper and smoothes out the effects due to load change. Process loads...

556 views0 comments

Scholenberg

Dec 12, 20215 min read

Process Applications in HVAC

Process applications can place unique demands on chiller plants. All parties involved in a process application should be fully aware that...

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Scholenberg

Dec 12, 202110 min read

Low Delta T Syndrome in HVAC

Low delta T syndrome occurs when the design chilled water temperature range is not maintained. Any variable flow system can experience...

498 views0 comments

Scholenberg

Dec 12, 20218 min read

HVAC-Heat Recovery in Chillers

Chiller plants collect all the energy released in the building. In addition, there is an additional 25% more energy from the chillers...

119 views0 comments

Scholenberg

Dec 12, 20217 min read

HVAC-Waterside Free Cooling

Some HVAC systems, such as fan coils, can require chilled water year-round. Where the weather allows, waterside free cooling can avoid...

108 views0 comments

Scholenberg

Dec 12, 202112 min read

HVAC- Primary Secondary Systems

For large chillers or where more than two chillers are anticipated a primary-secondary (also called decoupled) piping system is often...

1,082 views0 comments

Scholenberg

Dec 12, 20217 min read

HVAC Chiller Arrangement- Series

Series chillers are another method of operating more than one chiller in a plant. This design concept resolves the mixed flow issues...

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Scholenberg

Dec 11, 20214 min read

Parallel Chiller System

To provide some redundancy in the HVAC design, most designers will require two or more chillers. Multiple chillers also offer the...

948 views0 comments

Scholenberg

Dec 11, 20213 min read

Single Chiller System

Single chiller systems are the easiest to design and operate but are also the least efficient chiller plant design for buildings....

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Scholenberg

Dec 11, 20214 min read

HVAC Mechanical Room Safety

Chillers represent large, powerful machines filled with refrigerants. When chillers are placed in confined spaces, care must be exercised...

113 views0 comments

Scholenberg

Dec 7, 20215 min read

Dual Compressor and VFD Chillers

The unique performance of both Daikin Applied dual compressor and variable frequency drive chillers affect the chiller plant design....

72 views0 comments

Scholenberg

Dec 6, 20217 min read

DESIGN OF AIR COOLED CHILLERS

The choice of chiller type and chiller plant design are inherently linked. Different chiller types have different strengths and by...

266 views1 comment

Relation between Water Temperatures ranges in Chillers

Scholenberg

Dec 1, 20215 min read

Relation between Water Temperatures ranges in Chillers

The selection of temperature ranges can affect the chiller plant operation and energy usage. The limiting temperatures are the required...

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Scholenberg

Nov 30, 202128 min read

HVAC SYSTEM SELECTION

Figure 1 shows a basic chilled water system with connected loads. The system consists of a chiller, cooling tower, building cooling load,...

144 views1 comment

Will Rs 1 crore be enough to take care of all needs after 15 years?

Scholenberg

Oct 7, 20213 min read

Will Rs 1 crore be enough to take care of all needs after 15 years?

Typically, many investors want to create a corpus of Rs 1 crore after a decade or more. In some cases, the corpus is to take care of...

41 views0 comments

Scholenberg

Oct 3, 20217 min read

HVAC - Principles & Functions

Air conditioning is the process whereby the condition of Air, as defined by its temperature and moisture content, is changed. In...

66 views0 comments

Expansion Tank Design for Chilled water System

Scholenberg

Sep 26, 202113 min read

Expansion Tank Design for Chilled water System

Section 1.0: Introduction An expansion tank is used in a chilled water system to accomplish three main tasks, (1) accommodate thermal...

961 views0 comments

Scholenberg

May 7, 20213 min read

NEWTON'S FIRST LAW IN DAILY LIFE

SIR ISSAC NEWTON, (born January 4,1643) in Woolsthorpe, England - (died March 31,1727) in London, England. He was an English Physicist...

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