Liebert Complete Guide to R407C Charge, Normal Operating Pressures, and Pressure Temperature Chart

Page 62

R407C Refrigerant

8.0R407C REFRIGERANT

Table 32 R407C pressure/temperature chart for operation and superheat (discharge/hot gas and suction gas)

Temperature

Gauge Pressure

Temperature

Gauge Pressure

Temperature

Gauge Pressure

 

 

 

 

 

 

 

 

 

 

 

 

°F

°C

Psig

kPa

°F

°C

Psig

kPa

°F

°C

Psig

kPa

 

 

 

 

 

 

 

 

 

 

 

 

0.0

-17.8

18.9

130

35.0

1.7

54.8

378

70.0

21.1

114.9

792

 

 

 

 

 

 

 

 

 

 

 

 

1.0

-17.2

19.6

135

36.0

2.2

56.1

387

72.0

22.2

119.3

822

 

 

 

 

 

 

 

 

 

 

 

 

2.0

-16.7

20.4

141

37.0

2.8

57.5

396

74.0

23.3

124

853

 

 

 

 

 

 

 

 

 

 

 

 

3.0

-16.1

21.2

146

38.0

3.3

58.9

406

76.0

24.4

128

885

 

 

 

 

 

 

 

 

 

 

 

 

4.0

-15.6

22.0

152

39.0

3.9

60.3

415

78.0

25.6

133

917

 

 

 

 

 

 

 

 

 

 

 

 

5.0

-15.0

22.8

157

40.0

4.4

62.2

429

80.0

26.7

138

950

 

 

 

 

 

 

 

 

 

 

 

 

6.0

-14.4

23.6

163

41.0

5.0

63.1

435

82.0

27.8

143

984

 

 

 

 

 

 

 

 

 

 

 

 

7.0

-13.9

24.5

169

42.0

5.6

64.6

445

84.0

28.9

148

1019

 

 

 

 

 

 

 

 

 

 

 

 

8.0

-13.3

25.4

175

43.0

6.1

66.1

456

86.0

30.0

153

1054

 

 

 

 

 

 

 

 

 

 

 

 

9.0

-12.8

26.2

181

44.0

6.7

67.6

466

88.0

31.1

158

1091

 

 

 

 

 

 

 

 

 

 

 

 

10.0

-12.2

27.1

187

45.0

7.2

69.1

476

90.0

32.2

164

1128

 

 

 

 

 

 

 

 

 

 

 

 

11.0

-11.7

28.0

193

46.0

7.8

70.7

487

92.0

33.3

169

1167

 

 

 

 

 

 

 

 

 

 

 

 

12.0

-11.1

28.9

200

47.0

8.3

72.2

498

94.0

34.4

175

1206

 

 

 

 

 

 

 

 

 

 

 

 

13.0

-10.6

29.9

206

48.0

8.9

73.8

509

96.0

35.6

181

1246

 

 

 

 

 

 

 

 

 

 

 

 

14.0

-10.0

30.8

213

49.0

9.4

75.4

520

98.0

36.7

187

1287

 

 

 

 

 

 

 

 

 

 

 

 

15.0

-9.4

31.8

219

50.0

10.0

77.1

531

100.0

37.8

193

1329

 

 

 

 

 

 

 

 

 

 

 

 

16.0

-8.9

32.8

226

51.0

10.6

78.7

543

102.0

38.9

199

1372

 

 

 

 

 

 

 

 

 

 

 

 

17.0

-8.3

33.8

233

52.0

11.1

80.4

554

104.0

40.0

205

1416

 

 

 

 

 

 

 

 

 

 

 

 

18.0

-7.8

34.8

240

53.0

11.7

82.1

566

106.0

41.1

212

1461

 

 

 

 

 

 

 

 

 

 

 

 

19.0

-7.2

35.8

247

54.0

12.2

83.9

578

108.0

42.2

219

1507

 

 

 

 

 

 

 

 

 

 

 

 

20.0

-6.7

36.9

254

55.0

12.8

85.6

590

110.0

43.3

225

1553

 

 

 

 

 

 

 

 

 

 

 

 

21.0

-6.1

38.0

262

56.0

13.3

87.4

603

112.0

44.4

232

1601

 

 

 

 

 

 

 

 

 

 

 

 

22.0

-5.6

39.0

269

57.0

13.9

89.2

615

114.0

45.6

239

1650

 

 

 

 

 

 

 

 

 

 

 

 

23.0

-5.0

40.1

277

58.0

14.4

91.0

628

116.0

46.7

247

1701

 

 

 

 

 

 

 

 

 

 

 

 

24.0

-4.4

41.3

284

59.0

15.0

92.9

640

118.0

47.8

254

1752

 

 

 

 

 

 

 

 

 

 

 

 

25.0

-3.9

42.4

292

60.0

15.6

94.8

653

120.0

48.9

262

1804

 

 

 

 

 

 

 

 

 

 

 

 

26.0

-3.3

43.6

300

61.0

16.1

96.7

666

122.0

50.0

269

1858

 

 

 

 

 

 

 

 

 

 

 

 

27.0

-2.8

44.7

308

62.0

16.7

98.6

680

124.0

51.1

277

1912

 

 

 

 

 

 

 

 

 

 

 

 

28.0

-2.2

45.9

317

63.0

17.2

100.5

693

126.0

52.2

285

1968

 

 

 

 

 

 

 

 

 

 

 

 

29.0

-1.7

47.1

325

64.0

17.8

102.5

707

128.0

53.3

294

2025

 

 

 

 

 

 

 

 

 

 

 

 

30.0

-1.1

48.4

333

65.0

18.3

104.5

721

130.0

54.4

302

2083

 

 

 

 

 

 

 

 

 

 

 

 

31.0

-0.6

49.6

342

66.0

18.9

106.5

735

132.0

55.6

311

2143

 

 

 

 

 

 

 

 

 

 

 

 

32.0

0.0

50.9

351

67.0

19.4

108.6

749

134.0

56.7

320

2203

 

 

 

 

 

 

 

 

 

 

 

 

33.0

0.6

52.1

359

68.0

20.0

110.7

763

136.0

57.8

329

2265

 

 

 

 

 

 

 

 

 

 

 

 

34.0

1.1

53.5

369

69.0

20.6

112.8

778

138.0

58.9

338

2329

 

 

 

 

 

 

 

 

 

 

 

 

-

-

-

-

-

-

-

-

140.0

60.0

347

2393

 

 

 

 

 

 

 

 

 

 

 

 

NOTE

Use this table for superheat and for control adjustment (e.g., pressure switches). See Table 33 for subcooling.

56

Image 62
Contents Liebert Challenger ITR Page Table of Contents R407C Refrigerant Chilled Water ModelsSplit System Models Figures Tables System Descriptions Equipment Inspection Remote Sensor Installation LocationRoom Preparation Location ConsiderationsRemoval of Skid Unit shipping weightsHandling With Skid Domestic Export Model Lb kg 50Hz Models 60Hz ModelsCabinet dimensions Unit WeightSL-11897 Piping connection size Piping ConsiderationsDrain Line Piping Outlet Locations Piping connections for split system fan coil units Piping connections for water/glycol and Glycool units Piping connections for chilled water self-contained units Electrical Connections Electrical connectionsDucted Applications Plenum InstallationBalancing the Air Distribution Checklist for Completed Installation Low Voltage Condenser LocationLine Voltage Lee-Temp/Flood Back Head Pressure Control CondensersAir-cooled condenser statistics 23 & 33 kW 067A 065A Refrigerant PipingRecommended line sizes OD copper inches Equivalent Length Hot Gas Line Liquid LineEquivalent lengths feet for various pipe fittings Fan Speed Control SystemsMaterials Supplied Condenser refrigerant per serial tagDehydration/Leak Test Single Circuit Shown Charging Refrigerant control settings psi kPaLee-Temp/Flood Back Head Pressure Control Systems PipingMaterials Supplied Low Pressure Cut Out High Pressure Cut Out 360 Single Circuit Shown Condenser Water-cooled general arrangement Water Regulating Valve Water Regulating Valve AdjustmentTesting Valve Function Water Regulating Valve Manual FlushingPump and Drycooler Drycooler InstallationDrycooler Location Expansion Tanks, Fluid Relief Valves and Other Devices Room dew point temperaturesGlycol Piping Dry Bulb Wet Bulb Relative Dew Point HumidityFilling Instructions Indoor unit glycol volume approximate gallons liters maxVolume in standard Type L copper piping Preparing the System for Filling@ 50F 10C Glycol SolutionsEthylene glycol concentrations Filling the System See Note 30-1/4 For expansion tank dimensions, see on43-9/16 110 5mm 483mm 43-3/16 1097mmGlycol pump data Mounting hole dimensional dataDrycooler data Pump Pump Suction Pump Discharge ConnectionGlycol general arrangement Glycool general arrangement Glycol Regulating Valve Adjustment Glycol Regulating ValveChilled Water Models Air-Cooled Condensing Units Water/Glycol-Cooled Condensing UnitsRefrigerant Loop Line coupling sizes Unit refrigerant chargeRecommended refrigerant lines R22 or R407C sizes OD copper Evaporator Evaporator Condensing UnitQuick Connect Fittings Unit Dimensions See Table Outdoor Air-Cooled Condensing UnitsPFH067A-L Outdoor air-cooled condensing unit-top air discharge models See Table152 Piping and electrical connections top air discharge36-1/4 38-1/2 Electrical field connections, prop fan condensing module SL-11081 PG 8ACentrifugal Air-Cooled Condensing Units Installing the Indoor Condensing UnitModel Net Weight 60 Hz 50 Hz Lb kg MC65A MC64A Indoor centrifugal condensing unitDucting Airflow CFM CMHCentrifugal air-cooled condensing unit dimensional data AIR Cooled Water Cooled Piping Considerations Regulating Valve Adjustment and TestingWater and Glycol-Cooled Condensing Units Condenser Water RequirementsWater/glycol-cooled condensing unit dimensions WATER/GLYCOL Temperature Gauge Pressure Psig KPa R407C RefrigerantExample Temperature Pressure Gauge Psig KPaCalculating Subcooling Ti n Ne tIti That

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