536636-UIM-D-1211

TABLE 16: Air Handler Air Flow Data

HIGH/LOW SPEED COOLING AND HEAT PUMP AIRFLOW

 

24B

CFM

36C

 

24B

m3/min

36C

JUMPER SETTINGS

 

 

 

 

 

 

 

 

 

 

High

Low

High

Low

High

Low

High

Low

COOL Tap

ADJ Tap

1088

707

1387

905

30.8

20.0

39.3

25.6

A

B

830

542

1151

753

23.5

15.3

32.6

21.3

B

B

948

617

1201

783

26.8

17.5

34.0

22.2

A

A

716

465

1009

657

20.3

13.2

28.6

18.6

B

A

854

556

1086

703

24.2

15.7

30.7

19.9

A

C

612

462

953

622

17.3

13.1

27.0

17.6

C

B

637

460

901

588

18.0

13.0

25.5

16.6

B

C

531

460

754

493

15.0

13.0

21.3

14.0

D

B

542

462

831

540

15.3

13.1

23.5

15.3

C

A

462

462

657

460

13.1

13.1

18.6

13.0

D

A

474

460

751

494

13.4

13.0

21.3

14.0

C

C

461

464

588

461

13.1

13.1

16.6

13.1

D

C

 

48D

 

60D

 

48D

 

60D

JUMPER SETTINGS

High

Low

High

Low

High

Low

High

Low

COOL Tap

ADJ Tap

2138

1442

2364

1545

60.5

40.8

66.9

43.7

A

B

1759

1162

1962

1271

49.8

32.9

55.5

36.0

B

B

2009

1311

2123

1374

56.9

37.1

60.1

38.9

A

A

1612

1052

1763

1146

45.6

29.8

49.9

32.4

B

A

1773

1166

1905

1237

50.2

33.0

53.9

35.0

A

C

1530

989

1777

1158

43.3

28.0

50.3

32.8

C

B

1459

947

1580

1021

41.3

26.8

44.7

28.9

B

C

1359

886

1596

1030

38.5

25.1

45.2

29.2

D

B

1388

904

1583

1019

39.3

25.6

44.8

28.8

C

A

1221

806

1413

929

34.6

22.8

40.0

26.3

D

A

1244

808

1412

926

35.2

22.9

40.0

26.2

C

C

1118

715

1277

841

31.6

20.2

36.2

23.8

D

C

HIGH/LOW SPEED ELECTRIC HEAT AIRFLOW

 

 

CFM

 

 

 

m3/min

 

JUMPER SETTINGS

 

24B

 

36C

 

24B

 

36C

 

 

 

 

 

 

High

Low

High

Low

High

Low

High

Low

HEAT Tap

ADJ Tap

1088

828

1387

908

30.8

23.4

39.3

25.7

A

Any

954

714

1228

804

27.0

20.2

34.8

22.8

B

Any

829

614

1151

756

23.5

17.4

32.6

21.4

C

Any

678

523

923

609

19.2

14.8

26.1

17.2

D

 

 

48D

 

60D

 

48D

 

60D

JUMPER SETTINGS

High

Low

High

Low

High

Low

High

Low

HEAT Tap

ADJ Tap

2111

1417

2363

1488

59.8

40.1

66.9

42.1

A

Any

1858

1252

2174

1252

52.6

35.4

61.5

35.4

B

Any

1480

985

1868

1061

41.9

27.9

52.9

30.0

C

Any

1250

840

1387

823

35.4

23.8

39.3

23.3

D

Any

1.Airflow at nominal voltage, bottom return at 0.5 external static pressure, tested without filter installed, dry coil conditions.

2.These units have variable speed motors that automatically adjust to provide constant CFM from 0.0” to 0.6” w.c. static pressure

3.From 0.6” to 1.0” static pressure, CFM is reduced by 2% per 0.1” increase in static.

4.Operation on duct systems with greater than 1.0” w.c. external static pressure is not recommended.

5.Both the COOL and the ADJUST tap must be set to obtain the cooling airflow desired (CFM).

6.The ADJ tap does not affect the HEAT tap setting.

7.Low speed cooling used only with two stage outdoor units. (Speed is preset to 65% of high speed).

8.Dehumidification speed is 85% of jumper selected COOL tap and ADJUST tap.

9.When operating in both heat pump and electric heat modes, the airflow (CFM) will be per HEAT Tap CFM values only.

10.At some settings, LOW COOL and/or LOW HEAT airflow may be lower than what is required to operate an airflow switch on certain models of electronic air cleaners. Consult the instructions for the electronic air cleaner for further details.

11.Airflow (CFM) indicator light (LED2) flashes once for every 100 CFM (i.e.: 12 Flashes is 1200 CFM) – blinks are approximate +/- 10% of actual CFM.

16

Johnson Controls Unitary Products

Page 16
Image 16
Johnson Controls AV*(C) Series HIGH/LOW Speed Cooling and Heat Pump Airflow, HIGH/LOW Speed Electric Heat Airflow, 48D 60D

AV*(C) Series specifications

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