Liebert 3000 Fan Speed Control Systems, Materials Supplied, Condenser refrigerant per serial tag

Page 25

 

 

 

 

 

 

 

 

 

Air Cooled Models

 

Table 6

Equivalent lengths (feet) for various pipe fittings

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Copper Pipe

90 Degree

90 Degree

45 Degree

 

Gate

Globe

Angle

 

 

O.D. in.

 

Elbow Copper

Elbow Cast

Elbow

Tee

Valve

Valve

Valve

 

1/2

 

0.8

1.3

0.4

2.5

0.26

7.0

4.0

 

 

5/8

 

0.9

1.4

0.5

2.5

0.28

9.5

5.0

 

 

3/4

 

1.0

1.5

0.6

2.5

0.3

12.0

6.5

 

 

7/8

 

1.45

1.8

0.8

3.6

0.36

17.2

9.5

 

 

1-1/8

 

1.85

2.2

1.0

4.6

0.48

22.5

12.0

 

 

1-3/8

 

2.4

2.9

1.3

6.4

0.65

32.0

16.0

 

 

1-5/8

 

2.9

3.5

1.6

7.2

0.72

36.0

19.5

 

Refrigerant trap = 4 times equivalent length of pipe per this table.

Table 7

Indoor unit refrigerant charge lbs (kg) R22 or R407C (per unit serial tag)

 

 

R22

R407C

 

 

 

 

 

 

 

 

Approximate Charge

Approximate Charge

 

Model

 

lbs (kg)

lbs (kg)

 

42A/40A

 

1.0 (0.45)

0.9 (0.4)

 

67A/65A

 

1.5 (0.68)

1.4 (0.6)

 

Table 8

Line charges - refrigerant per 100 ft (30 m) of Type "L" copper tube

 

 

 

R22

R407C

 

 

 

 

 

 

 

 

 

 

 

Liquid Line

 

Hot Gas Line

Liquid Line

Hot Gas Line

 

O.D.

 

lbs (kg)

 

lbs (kg)

lbs (kg)

lbs (kg)

 

1/2"

 

7.3 (3.3)

 

1.3 (0.6)

6.9 (2.9)

-

 

5/8"

 

11.7 (5.3)

 

2.1 (1.0)

11.0 (4.6)

2.2 (0.9)

 

3/4"

 

16.6 (7.5)

 

3.0 (1.4)

15.7 (6.5)

3.1 (1.3)

 

7/8"

 

24.4 (11.1)

 

4.4 (2.0)

23.0 (9.6)

4.5 (1.9)

 

Table 9

Condenser refrigerant (per serial tag)

 

 

 

 

 

 

 

 

 

R22

R407C

 

 

 

 

Approximate Charge

Approximate Charge

 

lbs (kg)

lbs (kg)

Model

 

 

 

 

 

Fan Speed

 

Lee-Temp*

Fan Speed

Lee-Temp*

 

 

 

 

 

 

083

5 (2.27)

 

27 (12.3)

8 (3 )

25 (12)

104

8 (3.63)

 

39 (17.7)

9 (4)

37 (17)

*Charge includes the receiver charge.

3.4Fan Speed Control Systems

Fan Speed Control provides an infinite number of speed variations on specially designed, permanent split-capacitor motors. The control module varies the air quantity passing over the condenser coil by monitoring refrigerant pressure.

3.4.1Materials Supplied

1.Built-in pre-wired condenser control box

2.Air cooled condenser

3.Piping access cover to be reinstalled when piping is complete

4.Bolts (four per leg) 3/8" x 5/8"

5.Terminal block for two-wire, 24-volt interlock connection between unit and condenser

6.Condenser legs, four on one-fan models

19

Image 25
Contents Liebert Challenger Page Table of Contents Split System Models Chilled Water ModelsR407C Refrigerant Figures Tables System Descriptions Equipment Inspection Room PreparationLocation Considerations Equipment HandlingRemoval of Skid Unit net weightModel Lbs kg Front return configuration Rear return configurationFloor Cutout Dimensions Drain Line Piping ConsiderationsPiping connection size Hot GasRefrigerant Line Suction Refrigerant Line HumidifierWater SupplyLineCondensate Pump Line Condensate DrainCondenser Return Line Condenser SupplyLineHotWater Return HumidifierWater SupplyLine Hot Water SupplyPiping connections for chilled water self-contained units Installation Electrical connections Electrical ConnectionsUnder-Floor Discharge Systems Balancing the Air DistributionHz Units 550 600 Model Ton Hz Units 550 600 ModelPlenum Installation Checklist for Completed InstallationDucted Applications Installation Line Voltage Condenser LocationLow Voltage Lee-Temp/Flood Back Head Pressure Control CondensersAir cooled condenser statistics Recommended line sizes OD copper inches Refrigerant PipingMaterials Supplied Fan Speed Control SystemsEquivalent lengths feet for various pipe fittings Condenser refrigerant per serial tagDehydration/Leak Test Single Circuit Shown Lee-Temp/Flood Back Head Pressure Control Systems Refrigerant control settings psi kPaCharging PipingMaterials Supplied Low Pressure Cut Out High Pressure Cut Out 360 Single Circuit Shown Condenser Water cooled general arrangement Water Regulating Valve AdjustmentManual Flushing Adjusting collar nut Testing Valve FunctionDrycooler Location Drycooler InstallationPump and Drycooler Glycol Piping Room dew point temperaturesDry Bulb Wet Bulb Relative Dew Point Humidity Filling Instructions Volume in standard Type L copper pipingExpansion Tanks, Fluid Relief Valves and Other Devices Preparing the System for FillingEthylene glycol concentrations Glycol Solutions@ 50F 10C Filling the System 43-3/16 43-9/16 110 5mm For expansion tank dimensions, see onSee Note 30-1/4 1095mm 483mm 1097mmDrycooler data Mounting hole dimensional dataGlycol pump data Pump Pump Suction Pump Discharge ConnectionFactory Glycool general arrangement Glycol Regulating Valve Chilled Water Models WAY Valve Water/Glycol Cooled Condensing Units Air Cooled Condensing UnitsRefrigerant Loop Recommended refrigerant lines R22 or R407C sizes OD copper Unit refrigerant chargeLine coupling sizes Refrigerant piping diagram Quick Connect Fittings Outdoor Air Cooled Condensing Units Unit Dimensions See TablePFCZ42A-L PFCZ41A-L See Table Outdoor air cooled condensing unit-top air discharge models36-1/4 38-1/2 Piping and electrical connections top air discharge152 Discharge Models SL-11081 PG 8AModel Net Weight 60 Hz 50 Hz Lbs kg Installing the Indoor Condensing UnitCentrifugal Air Cooled Condensing Units Indoor centrifugal condensing unitDetail of ceiling hanging bracket Airflow CFM CMH DuctingTon Dimensional Data Piping Connections Ton centrifugal air cooled condensing unit DPN000207Rev0Ton centrifugal air cooled condensing unit dimensional data DPN000226Rev0 Water Cooled Piping Considerations Water and Glycol Cooled Condensing UnitsCondenser Water Requirements Regulating ValvePiping Connections DPN000209Rev0 Ton water/glycol cooled condensing unit dimensional data DPN000228Rev0 R407C Refrigerant Temperature Gauge Pressure Psig KPaCalculating Subcooling Temperature Pressure Gauge Psig KPaExample R407C Refrigerant R407C Refrigerant Page Iti NetTin That
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3000 specifications

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