Table 1A — Physical Data (48ZG,ZN030-050)

BASE UNIT

 

48ZG,ZN030

 

 

 

 

 

 

48ZG,ZN035

 

NOMINAL CAPACITY (tons)

 

30

 

 

 

 

 

 

35

 

OPERATING WEIGHT (lb)

 

Standard Chassis

 

 

Extended Chassis

 

 

Standard Chassis

 

Extended Chassis

Base Unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Heat

 

5640

 

 

6140

 

 

 

5766

 

 

6266

 

High Heat

 

5770

 

 

6270

 

 

 

5895

 

 

6395

With Economizer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Heat

 

5941

 

 

6441

 

 

 

6066

 

 

6566

 

High Heat

 

6070

 

 

6570

 

 

 

6195

 

 

6695

COMPRESSORS

 

 

 

 

 

 

Semi-Hermetic

 

 

 

Quantity...Type

 

2...06D

 

 

 

 

 

 

1...06D, 1...06E

Oil Charge (pints)

 

8

 

 

 

 

 

 

8, 14

 

Capacity Steps (%)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CV

 

 

50,100

 

 

 

 

 

 

43,100

 

 

VAV

 

 

17,33,50,67,83,100

 

 

 

 

 

14,28,42,57,71,86,100

Number of Refrigerant Circuits

 

2

 

 

 

 

 

 

2

 

REFRIGERANT

 

 

 

 

 

 

R-22

 

 

 

Operating Charge (lb), Ckt 1/Ckt 2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard Evaporator Coil

 

29.0/29.0

 

 

 

 

 

 

29.0/30.5

 

 

 

 

 

 

 

 

 

 

 

Standard Evaporator with HGBP

 

31.0/29.0

 

 

 

 

 

 

31.0/30.5

 

 

Alternate High-Capacity Evaporator Coil

 

N/A

 

 

 

 

 

 

N/A

 

 

Alternate High-Capacity Evaporator with HGBP

 

N/A

 

 

 

 

 

 

N/A

 

CONDENSER COILS

 

 

 

 

3/8-in. Tube Diameter

 

 

 

Quantity

 

2

 

 

 

 

 

 

2

 

Rows...Fins/in.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Aluminum

 

3...15.0

 

 

 

 

 

 

3...15.0

 

 

Copper (Optional)

 

3...13.7

 

 

 

 

 

 

3...13.7

 

Total Face Area (sq ft)

 

37.5

 

 

 

 

 

 

37.5

 

EVAPORATOR COILS

 

 

 

 

 

 

 

 

 

 

 

 

 

Quantity

 

 

 

 

 

 

1

 

 

 

 

Total Face Area (sq ft)

 

 

 

 

 

 

32.1

 

 

 

 

Refrigerant Feed Device...No. per Circuit

 

 

 

 

 

 

TXV...1

 

 

 

Standard Evaporator Coils

 

1/2 in. Tube Dia

 

 

 

 

1/2 in. Tube Dia

 

 

 

 

 

 

 

 

Rows...Fins/in.

 

3...15.0

 

 

 

 

 

 

4...15.0

 

 

Fin Type

 

Double Wavy

 

 

 

 

 

 

Double Wavy

 

 

Tube Type

 

Cross Hatched

 

 

 

 

Cross Hatched

 

Alternate, High-Capacity Evaporator Coils

 

N/A

 

 

 

 

 

 

N/A

 

 

Rows...Fins/in.

 

N/A

 

 

 

 

 

 

N/A

 

 

Fin Type

 

N/A

 

 

 

 

 

 

N/A

 

 

Tube Type

 

N/A

 

 

 

 

 

 

N/A

 

HEATING SECTION

 

Low Heat

 

 

High Heat

 

 

Low Heat

 

 

High Heat

Number of Heat Exchangers

 

1

 

 

2

 

 

 

1

 

 

2

Input (MBtuh)

 

325

 

 

650

 

 

 

325

 

 

650

Output (MBtuh)

 

263

 

 

527

 

 

 

263

 

 

527

Temperature Rise Range (F)

 

10-40

 

 

25-55

 

 

 

10-40

 

 

25-55

Efficiency (%)

 

81

 

 

81

 

 

 

81

 

 

81

Burner Orifice Diameter

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quantity (in. ...drill no.)

 

7 (.1285...30)

 

 

14 (.1285...30)

 

 

 

7 (.1258...30)

 

14 (.1258...30)

Manifold Pressure (in. wg)

 

3.3

 

 

3.3

 

 

 

3.3

 

 

3.3

Line Pressure (in. wg) (min...max)

 

5.0...13.0

 

 

5.0...13.0

 

 

 

5.0...13.0

 

 

5.0...13.0

Firing Stages

 

2

 

 

2

 

 

 

2

 

 

2

Number of Gas Valves

 

1

 

 

2

 

 

 

1

 

 

2

CONDENSER FANS

 

 

 

 

 

 

Propeller Type

 

 

 

Quantity...Diameter (in.)

 

2...30

 

 

 

 

 

 

2...30

 

Nominal Cfm

 

18,600

 

 

 

 

 

 

18,600

 

Motor Hp...Rpm

 

1.0...1140

 

 

 

 

 

 

1.0...1140

 

SUPPLY FAN

 

 

 

 

Centrifugal 25 x 25 in.

 

 

 

Nominal Cfm

 

10,500

 

 

 

 

 

 

10,500

 

Maximum Allowable Cfm

 

15,000

 

 

 

 

 

 

15,000

 

Maximum Allowable Rpm

 

900

 

 

 

 

 

 

900

 

Shaft Diameter at Pulley (in.)

 

111/16

 

 

 

 

 

 

111/16

 

SUPPLY-FAN MOTOR AND DRIVE

 

 

 

 

(Any motor available on any unit)

 

 

 

Motor Hp

 

7.5

 

 

10

 

15

 

20

 

25

Motor Frame Size

 

213T

 

215T

 

 

 

254T

 

256T

284T

Efficiency at Full Load (%)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High Efficiency

 

88.5

 

 

89.5

 

91.0

 

91.0

 

91.7

 

Premium Efficiency

 

91.7

 

 

91.7

 

93.0

 

93.6

 

93.6

Fan Pulley Pitch Diameter (in.)

 

13.7

 

 

13.7

 

13.7

 

13.7

 

13.7

Motor Pulley Pitch Diameter (in.)

 

3.4

 

 

4.3

 

4.9

 

5.5

 

6.5

Resulting Fan Speed (rpm)

 

438

 

 

549

 

626

 

703

 

830

Belts Quantity...Type

 

2...BX60

 

2...5VX630

 

2...5VX630

 

2...5VX630

2...5VX650

Center Distance Range (in.)

 

17.74-14.30

 

 

17.74-14.30

 

17.63-14.01

 

17.63-14.01

16.63-12.87

OPTIONAL POWER EXHAUST

 

 

 

Centrifugal, 18 x 15

in. (Any motor available

on any unit)

 

Quantity...Motor Hp

 

2...3.0

 

 

2...5.0

 

 

 

2...7.5

 

 

2...10

 

 

 

 

 

 

Motor Frame Size

High Eff

56HZ

 

 

184T

 

 

213T

 

 

215T

Efficiency at Full Load (%) High/Premium

Prem Eff

182T

 

 

184T

 

 

213T

 

 

215T

 

81.0/88.5

 

 

87.5/89.5

 

 

 

88.5/91.7

 

 

89.5/91.7

Fan Pulley Pitch Diameter (in.)

High Eff

11

 

 

10.4

 

 

 

12

 

 

12

 

 

 

Prem Eff

11.0

 

 

10.4

 

 

 

12

 

 

12

Motor Pulley Pitch Diameter Range (in.)

High Eff

4.1-3.1

 

 

4.7-3.7

 

 

 

6.0-4.8

 

 

7.0-5.8

Motor Pulley Pitch Diameter Factory Setup (in.)

Prem Eff

4.1-3.1

 

 

4.7-3.7

 

 

 

6.0-4.8

 

 

7.0-5.8

 

4.1

 

 

4.2

 

 

 

5.4

 

 

6.4

Blower Shaft Diameter at Pulley (in.)

 

17/16

 

 

17/16

 

 

 

17/16

 

 

17/16

Fan Rpm Range

 

500-656

 

 

621-785

 

 

 

717-882

 

 

854-1000

Factory Setup Fan Rpm

 

656

 

 

703

 

 

 

800

 

 

927

Maximum Allowable Rpm

 

1000

 

 

1000

 

 

 

1000

 

 

1000

Belts Quantity...No.

High Eff

1...BX71

 

 

1...BX71

 

 

1...BX77

 

 

1...BX79

Center Distance Range (in.)

Prem Eff

1...BX71

 

 

1...BX71

 

 

1...BX77

 

 

1...BX79

 

23.62-26.50

 

 

23.62-26.50

 

 

 

23.62-26.50

 

23.62-26.50

FILTERS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard Efficiency Throwaway (Standard)

 

8...20 x 25 x 2

 

 

 

 

8...20 x 25 x 2

 

 

Quantity...Size (in.)

 

8...20 x 20 x 2

 

 

 

 

8...20 x 20 x 2

Medium Efficiency (30%) Pleated (Optional)

 

8...20 x 25 x 2

 

 

 

 

8...20 x 25 x 2

 

 

Quantity...Size (in.)

 

8...20 x 20 x 2

 

 

 

 

8...20 x 20 x 2

High Efficiency (90%) Bag Filters

 

 

 

 

 

 

 

 

 

 

 

 

 

 

with High Velocity Prefilters (Optional)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quantity...Size (in.)

 

6...20 x 24 x 22

 

 

 

 

6...20 x 24 x 22

 

Bag Filter

 

 

 

 

 

 

 

6...20 x 20 x 22

 

 

 

 

6...20 x 20 x 22

 

 

 

 

 

 

 

 

 

Prefilter

 

12...16 x 20 x 2

 

 

 

 

12...16 x 20 x 2

 

 

3...20 x 24 x 2

 

 

 

 

3...20 x 24 x 2

 

 

 

 

 

 

 

 

OUTSIDE AIR SCREENS

 

 

 

 

 

 

 

 

 

 

 

 

 

Standard Hood (25%) Quantity...Size (in.)

 

None

 

 

 

 

 

 

None

 

OPTIONAL ECONOMIZER FILTER

 

5...20 x 20 x 2

Aluminum Frame, Permanent

5...20 x 20 x 1

 

Quantity...Size (in.)

 

 

 

 

 

 

 

 

 

2...20 x 25 x 1

 

 

 

 

 

 

2...20 x 25 x 1

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND

 

 

 

*460-3-60 only.

 

 

 

 

 

 

 

CV

Constant Volume

 

 

 

 

 

 

 

 

 

 

 

 

 

HGBP

Hot Gas Bypass

 

 

 

 

 

 

 

 

 

 

 

 

 

MBtuh

Btuh in Thousands

 

 

 

 

 

 

 

 

 

 

 

 

 

TXV

Thermostatic Expansion Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

VAV

Variable Air Volume

 

 

 

 

 

 

 

 

 

 

 

 

 

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Carrier 48ZT, ZN030-105, ZW, Z6, Z8075-105 installation instructions Physical Data 48ZG,ZN030-050, Base Unit

Z6, 48ZG, 48ZT, ZW, Z8075-105 specifications

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