Heatcraft Refrigeration Products HCS manual Air Handler Performance- Chilled Water, Row Coils

Page 16

Air Handler Performance- Chilled Water

4 Row Coils*

Table 6

Comfort Cooling

1/2" tube, entering air at 80°F. DB and 67°F. WB

1/2" tube, chilled water, cooling capacities 10 FPI*, 4 rows, large coils, 500 FPM*

 

CFM

Coil

42°F. Entering Water

 

44°F. Entering Water

 

45°F. Entering Water

 

Unit

Std

Face

MBH

 

 

MBH

 

 

MBH

 

 

Size

Air

Area

TOTAL

SENS

GPM

PD

TOTAL

SENS

GPM

PD

TOTAL

SENS

GPM

PD

03

1565

3.13

51

37

10.2

2.4

46

35

9.1

1.9

43

34

8.6

1.7

06

2880

5.76

105

73

20.9

8.8

94

69

18.8

7.2

89

67

17.7

6.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

08

3905

7.81

139

98

27.8

7.6

125

92

25.0

6.3

118

89

23.6

5.6

10

4885

9.77

181

125

36.2

13.6

163

118

32.6

11.2

154

114

30.8

10.1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

6200

12.40

233

160

46.6

18.2

210

151

41.9

15.0

198

146

39.6

13.5

14

7290

14.58

271

187

54.0

10.6

253

180

50.5

22.8

239

174

47.8

20.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

8855

17.71

328

227

65.6

10.8

307

218

61.4

23.8

290

212

58.0

21.5

20

10025

20.05

390

265

77.8

20.2

346

247

69.1

16.4

327

239

65.3

14.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

13280

26.56

500

343

99.8

15.6

450

323

89.8

12.8

425

313

84.9

11.6

34

16825

33.65

633

435

126.5

16.5

570

409

113.8

13.6

538

396

107.5

12.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41

20365

40.73

767

527

153.1

17.0

690

495

137.8

14.0

652

480

130.2

12.6

50

25313

50.63

961^

658

191.9

17.8

865^

618

172.8

14.7

817^

600

163.3

13.3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65

32290

64.58

1105^

790

220.6

5.5

1125^

798

224.8

21.7

1064^

774

212.6

19.6

75

37675

75.35

1289^

922

257.5

6.0

1313^

931

262.3

22.6

1241^

903

248.1

20.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 7

 

 

 

 

 

 

 

4 Row Coils*

 

 

 

 

 

 

 

Comfort Cooling

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5/8" tube, entering air at 80°F. DB and 67°F. WB

 

 

 

 

 

 

 

 

 

 

 

 

5/8" tube, chilled water, cooling capacities

 

 

 

 

 

 

 

 

 

 

 

 

 

10 FPI*, large coils, 500 FPM*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CFM

 

Coil

42°F. Entering Water

 

 

44°F. Entering Water

 

45°F. Entering Water

 

Unit

 

Std

 

Face

MBH

 

 

 

 

MBH

 

 

MBH

 

 

Size

 

Air

 

Area

TOTAL

 

SENS

GPM

 

PD

TOTAL

SENS

GPM

PD

TOTAL

SENS

GPM

PD

03

 

1500

 

3.00

62

 

42

12.5

 

10.6

57

40

11.5

9.1

54

39

11.5

9.1

06

 

2845

 

5.69

125

 

83

33.5

 

10.7

113

78

29.5

8.5

109

76

29.5

8.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

08

 

3750

 

7.50

163

 

109

43.5

 

10.5

148

103

39.5

8.7

142

100

39.5

8.7

10

 

4690

 

9.38

203

 

136

47.5

 

13.5

179

126

39.5

9.6

172

123

39.5

9.5

12

 

5854

 

11.69

257

 

171

59.5

 

19.0

228

158

49.5

13.5

219

155

49.5

13.4

14

 

6875

 

13.75

296

 

198

59.5

 

20.3

269

187

54.5

17.2

259

183

54.5

17.1

18

 

8750

 

17.50

377

 

252

75.5

 

16.8

342

238

69.5

14.4

330

232

69.5

14.4

20

 

9625

 

19.25

414

 

277

89.5

 

12.3

374

260

79.5

9.9

360

255

79.5

9.9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

26

 

12750

 

25.50

558

 

371

125.5

 

15.2

499

347

109.5

11.7

480

339

109.5

11.7

34

 

17000

 

34.00

751

 

498

175.5

 

16.7

680

468

159.5

13.9

655

458

159.5

13.9

41

 

20190

 

40.38

880

 

586

197.5

 

17.1

799

552

179.5

14.2

766

540

179.5

14.2

50

 

24750

 

49.50

1058^

 

710

219.5

 

13.6

983^

679

219.5

13.5

947^

663

219.5

13.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65

 

32290

 

64.58

1145^

 

917

309.0

 

12.4

1287^

888

271.5

18.3

1240^

867

271.5

18.2

75

 

37460

 

74.92

1599^

 

1073

379.0

 

14.6

1482^

1026

307.5

17.5

1417^

998

299.5

16.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GPM =

Gallons per minute

 

PD

=

Water pressure drop in feet of water

^ These selections have two fluid circuits. All the other

MBH

=

BTU per Hour in Thousands

selections have a single fluid circuit.

Sens. =

Sensible Capacity

 

*To estimate performance of coils at other than 10 FPI or at other air speeds or with other water or air temperatures see page 22, or call your representative. With your representative, you can have specific computer selected coils rated for your job conditions.

16

Image 16
Contents Air Handlers Index Quality StandardNomenclature Cabinet style Fan TypeStandard Unit Features Air Handler Coils Direct Expansion CoilsWater Coils Heat Reclaim CoilsConstruction & Dimensions Accessories- Electric HeatUnit Heater Dimensions Size Maximum KW Electric Heater Selection ExampleComponent 208 240 460 480 Accessories Auxilary Sections- All unit Sizes Dimensions, Page 29 to Filters And Auxiliary SectionsAccessories for Fan and Coil Sections Available Motors, Drives, Motor Starters per HorsepowerMotor Drive Starter Motor Horsepower Description ‘A’ = AvailableAir Handler Selection Selection ConditionsSelection Procedure Selection ExampleAir volume at Air handler DX air Refrigerant Chilled water Air Handler Performance Quick ReferenceSteam Cu m/hAir Handler Performance- Direct Expansion CoilSaturated Suction Temperature Air Handler Perfromance- Direct Expansion1339 1553Row Coils Air Handler Performance- Chilled WaterSize Air Area Air Handler Perfromance- Chilled Water Std FaceAir Handler Performance- Hot Water/Steam Heating 0F. AirHeating 60F. Air Size Air Sq. FtOne Row Two Row Two Row One RowCoil Perfromance- Heat Reclaim MBH/SQ FT Temperature DifferenceType a and Type 5, hot gas reclaim, heating capacities Refrigerant Evaporating Temperature F Coil Performance- Direct Expansion MBH/SQ FTActual capacity will vary With coil circuiting 400 450 500 550 600Coil Perfromance- Chilled Water MBH/SQ FT ChilledRows FPM, Type a Coils 1/2 DIA FPM, Type 5 Coils 5/8 DIACoil Performance- Heating, Water & Steam FPM, Type 5 Coils 5/8 DIA Rows500 600 650 700 400 FPM, Type 8 Coils 1 DIA RowsFan Performance SizeCoil Total Size 14 and Size RPM BHPSize 20 and Size 32 3/8 Airfoil Fan High Efficiency Filter Sections- Dimensions Dimensions inchesSize 65 and Size High Efficiency Filter SectionAccessory Flange Pattern Dimensions SizeMixbox Inlet Duct Connections Sizes 03 Sizes 20Dimensions ReferenceMix box Motor and coil connectionSizes 03 41 FC DischargeSizes 50 75 AF For All Units Sizes 10 1/812 5/8 Rows 15 5/8 MixboxDepth is dimension Dimension ‘T’Sizes 50 65 AF ‘D’ added toFor All Unit Sizes Sizes 03 Mounting Locations For Vibration IsolatorsSize Edge All mounting holes are 5/8 inch diameter Rows Inch filters For All Unit SizesOne and two row heating coils do not have Coil Section Vibration Isolators, Quantity RequiredModels Air Flow Reheat Position Preheat PositionNet Weights and Metal Gauges Weight in poundsTo estimate weights for other coils Air Handler Component Unit SizeFace Areas- Air Pressure Drops, Dry Coils Face Area Air Handler Unit Size Square FeetDepth Flat & hi 35% Efficient , Pleated Air Pressure Drops- Cabinets, Filters, Wet CoilsFin Air Velocity Feet Per minute Physical Data Unit Size CFM Range Cooling19.25 25.50 34.00 40.38 49.50 64.58 74.91 Small 16.04 21.25 27.63 31.88 40.50 51.67 59.42Mechanical Specification