WS-28 - R22; R407C

Technical Data

Cooling capacity (1)

Watt

8353

Btu/h

28500

Heating capacity (1)

Watt

10910

Btu/h

37223

Power Consumption (2)

Cooling

Watt

1993

Heating

Watt

2058

Operating Current (2)

Cooling

Amp.

10.7

Heating

Amp.

10.9

C.O.P

Cooling

 

4.2

Heating

 

4.3

Air Flow

M3/h

1530

CFM

900

Net Static Pressure (3)

mm H2O

6

Water Flow

M3/h

1.7

GPM

7.5

Heat Rejection-Cooling

Watt

10346

Btu/h

35300

Heat Extraction-Heating

Watt

8851

Btu/h

30200

Power Supply

V/Ph/Hz

230/1/50 (4)

Time Delay Fuse

Amp.

C16

Water Piping in/out

BSP

1"

Drain

mm

19

Refrigerant Charge

gr.

2400

Dimensions (LxWxH)

mm

960x600x420

Net Weight

Kg.

89

 

Notes:

1.   Design data for cooling:

Air entering temperature 27C db/19C wb and water inlet temperature 29C

Design data for heating:

Air entering temperature 21C and water inlet temperature 20C

2.   Excluding electrical heating element.

3.    Net static pressure available at fan discharge at nominal capacity.

4.    Available also in 400/3/50.

5.   Data applicable to R407C and may vary up to 3% for R22. For additional information contact Unique ltd.

 

 

 

 

 

 

 

 

 

 

 

 

Cooling Performance

AIR Entering Temperature 24 C db/ 17 C wb

Entering Water Temp.

Water Flow

Water Pressure Drop

Cooling Capacity

Power Cons.

Heat Rejection

COP

C

F

m/hr

gpm

m. H2O

Watt

Btu/h

Watt

Watt

Btu/h

 

29

85

1.5

6.6

4.7

7620

26000

1871

9491

32382

4.1

29

85

1.7

7.5

4.8

7767

26500

1920

9687

33052

4.0

29

85

1.9

8.3

5.1

7855

26800

1956

9811

33475

4.0

32

90

1.5

6.6

4.7

7562

25800

1911

9473

32321

4.0

32

90

1.7

7.5

4.8

7591

25900

1933

9524

32495

3.9

32

90

1.9

8.3

5.1

7620

26000

1940

9560

32620

3.9

35

95

1.5

6.6

4.7

7327

25000

1880

9207

31414

3.9

35

95

1.7

7.5

4.8

7356

25100

1916

9272

31637

3.8

35

95

1.9

8.3

5.1

7356

25100

1961

9317

31791

3.8

 

AIR Entering Temperature 27 C db/ 19 C wb

Entering Water Temp.

Water Flow

Water Pressure Drop

Cooling Capacity

Power Cons.

Heat Rejection

COP

C

F

m/hr

gpm

m. H2O

Watt

Btu/h

Watt

Watt

Btu/h

 

29

85

1.5

6.6

4.7

8265

28200

1945

10210

34836

4.2

29

85

1.7

7.5

4.8

8353

28500

1993

10346

35300

4.2

29

85

1.9

8.3

5.1

8411

28700

2065

10476

35745

4.1

32

90

1.5

6.6

4.7

7972

27200

1929

9901

33782

4.1

32

90

1.7

7.5

4.8

8060

27500

1993

10053

34299

4.0

32

90

1.9

8.3

5.1

8089

27600

2091

10180

34734

3.9

35

95

1.5

6.6

4.7

7884

26900

1993

9877

33966

4.0

35

95

1.7

7.5

4.8

7884

26900

2038

9922

33853

3.9

35

95

1.9

8.3

5.1

7913

27000

2093

10006

34141

3.8

 

Heating Performance

AIR Entering Temperature 21 C

Entering Water Temp.

Water Flow

Water Pressure Drop

Heating Capacity

Power Cons.

Heat Extraction

COP

C

F

m/hr

gpm

m. H2O

Watt

Btu/h

Watt

Watt

Btu/h

 

12

79

1.4

6.1

4.6

9551

32589

1990

7562

25800

3.8

12

79

1.7

7.5

4.8

9648

32918

1969

7679

26200

3.9

16

86

1.4

6.1

4.6

10311

35179

2104

8206

28000

3.9

16

86

1.7

7.5

4.8

10463

35700

2052

8411

28700

4.1

20

94

1.4

6.1

4.6

10820

36919

2122

8699

29680

4.1

20

94

1.7

7.5

4.8

10910

37223

2058

8851

30200

4.3

24

101

1.4

6.1

4.6

11484

39183

2252

9232

31500

4.1

24

101

1.7

7.5

4.8

11704

39935

2208

9496

32400

4.3

 

Data applicable to R407C and may vary up to 3% for R22. For additional information contact Unique ltd.

 

Dimensions

 

Configurations

 

DATA SHEET  DATA SHEET
Service Manual  Service Manual

Product specifications are subject to change without notice.
Appearance of products may differ slightly from catalog.
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