STD-201 CERTIFICATION PURPOSE

“This standard sets forth a program

whereby the Cooling Technology Institute

will certify that all models of a line of

evaporative heat rejection equipment offered

for sale by a specific manufacturer will

perform thermally in accordance with the

manufacturer's published ratings. . . “

STD-201 CERTIFICATION SCOPE

• Entering wet bulb temperature

10oC to 32.2oC (50oF to 90oF)

• Cooling range > 2.2oC (4oF)

• Cooling approach > 2.8oC (5oF)

• Process fluid temperature < 51.7oC (125oF)

• Barometric pressure

91.4 to 105.0 kPa (27” to 31” Hg)

STD-201 CERTIFICATION HISTORY

• 1962 First Edition Published– Required Extensive Matrix of Tests to Qualify, No Follow Up Tests

• 1981 Minor Revisions• 1986 Substantial Revisions – Enlarged Test Matrix to Qualify• 1991 Major Revisions

– Emphasis on Technical Review with Initial Qualification Test(s)– Added Annual Reverification Test Requirement to Continue

• 1996 Minor Revisions + Closed Circuit Towers• 2002 Minor Revisions + Raised Upper WBT• 2004 Minor Revisions + Reduced Lower WBT• 2009 Revised Format + Evaporative Condensers• 2009+ Continuous Review by P&T Task Group• 2013 Separated into Operations Manual and Rating Standard

STD-201 THERMAL PERFORMANCECERTIFICATION PROGRAM

NUMBER OF PARTICIPATING MANUFACTURERS

1 1 1 1 1 1 1 1 14 6 7 7 8 10 8 9 8 9 10 9 11 13 14 16 18 19 21 23

3034

41

4854

11

55

6 66

7

7

8

8

8

11

0

5

10

15

20

25

30

35

40

45

50

55

60

65

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

YEAR

NUMBER OF PARTICIPATING MANUFACTURERS

Private Brands

Manufacturer Brands

Through 12/31/2016

CURRENT STATUS (12/31/16)

Participating Manufacturers (PM): 54 + 11 Private Brand Affiliates

PM Primary Locations:11 - North America (8 – USA)7 - Europe

36 - Asia

1 3 3 5 5 6 6 6 7 12 14 16 16 16 19 18 18 19 19 21 19 2532 34 37 43

5058 64

7683

97

119134

22

5 56

7

811

1213

14

14

16

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

1983

1984

1985

1986

1987

1988

1989

1990

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

YEAR

NUMBER OF CTI CERTIFIED PRODUCT LINES

Private Brands

Manufacturer Brands

Through 12/31/2016

150 Certified Product Lines

CURRENT STD-201TOWER SELECTIONS AVAILABLE

•Open-Circuit and Closed-Circuit Cooling Towers

•Diverse Variety of Construction Materials

Galvanized Steel, Stainless Steel, Fiberglass,

Polyethylene, PVC…

• Wide Choice of Nominal Cell Capacities

~ 1 l/s (16 gpm) to ~ 400 l/s (6,340 gpm)

0

5000

10000

15000

20000

25000

3000019

8319

8419

8519

8619

8719

8819

8919

9019

9119

9219

9319

9419

9519

9619

9719

9819

9920

0020

0120

0220

0320

0420

0520

0620

0720

0820

0920

1020

1120

1220

1320

1420

1520

16

YEAR

NUMBER OF CTI CERTIFIED TOWER MODELS

Private Brands

Manufacturer Brands

Through 12/31/2016 ~29,000 CTI Certified Models

STD-201 CERTIFICATION PROCESS

• Application Submitted to Thermal Certification Administrator

• Technical Review by Thermal Certification Administrator

• Selection of Tower Model for Initial Qualification Test

• Initial Qualification Test by Certification Test Agency

• Issue Approval Letter With Validation Number

• Annual Reverification Tests for Follow Up

For More Information…

Full Certification Report (including these slides) for year-2016

Frequently Asked Questions (FAQ) for Applicants, End-Users and Others

List of Participating Manufacturers and CTI Certified Lines

CTI Certification Directory Publication

• Manufacturers, Line Names and Validation Numbers

Published in CTI Journal – Two Editions per Year

• Online Certification Directory:http://cti.org/certification.php

Company Name (alphabetical order)click here to view company’s websites

Certified Line 1Certified Line 2, etc. (if applicable)

New Website!!

CTI Certification Directory Publication

• Manufacturers, Line Names and Validation Numbers

Published in CTI Journal – Two Editions per Year

• Online Certification Directory:http://cti.org/certification.php

Company Name (alphabetical order)click here to hide company’s websites

Line Name 1Information – Catalog and/or Design Tables, Drawings, etc.Selection – Rating Table

Line Name 2, etc. (if applicable)Information – Catalog and/or Design Tables, Drawings, etc.Selection – Rating Table

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Certification Program Committee

• Chairman – CTI Certification Administrator (non-voting)

• Participating Manufacturers (1 vote per manufacturer)

• CTI Board Liaison (non-voting)________________________________________________

• Advises Certification Administrator on Implementation

• Establishes Annual Operating Budget & Fees

• Recommends Changes to STD-201

Additional Certification Information

• CTI Web Sitehttp://cti.org/certification.php

• CTI Journal

• CTI Office in Houston, Texas USA

• CTI Certification Administrator Michael Womack

C/O Clean Air Engineering Email: tcas@cleanair.comPhone: 217-347-0842 (office)

217-690-9321 (mobile)

New Website!!