50HE,HJ

Table 2—Physical Data 50HE

BASE UNIT 50HE

 

003

004

 

005

 

006

NOMINAL CAPACITY

 

2

3

 

4

 

5

OPERATING WEIGHT (lb)

 

 

 

 

 

 

 

Unit

 

435

445

 

465

 

635

Humidi-MiZerAdaptive Dehumidification System

 

13

15

 

23

 

25

EconoMi$er IV

 

50

50

 

50

 

50

Roof Curb

 

115

115

 

115

 

115

COMPRESSOR

 

 

 

 

Scroll

 

 

Quantity

 

1

1

 

1

 

1

Oil (oz)

 

25

42

 

56

 

53

REFRIGERANT TYPE

 

 

 

 

R-22

 

 

Expansion Device

 

 

 

AcutrolMetering Device

Operating Charge (lb-oz)

 

 

 

 

 

 

 

Standard Unit

 

5---3

7---11

 

8---8

 

12---11

Unit With Humidi-Mizer Adaptive Dehumidification System

10---2

14---0

 

14---13

 

21---0

CONDENSER FAN

 

 

 

 

Propeller

 

 

Quantity...Diameter (in.)

 

1...22

1...22

 

1...22

 

1...22

Nominal Cfm

 

3000

3500

 

3500

 

4100

Motor Hp...Rpm

 

1/8...825

1/8...825

 

1/8...825

 

1/ ...1100

Watts Input (Total)

 

 

 

 

 

 

4

 

180

180

 

180

 

320

CONDENSER COIL

 

 

Enhanced Copper Tubes, Aluminum Lanced Fins

Rows...Fins/in.

 

1...17

1...17

 

2...17

 

2...17

Total Face Area (sq ft)

 

14.6

14.6

 

16.5

 

16.5

EVAPORATOR COIL

 

 

Enhanced Copper Tubes, Aluminum Double-Wavy Fins

Standard Unit

 

 

 

 

 

 

 

Rows...Fins/in.

 

2...15

2...15

 

2...15

 

4...15

Total Face Area (sq ft)

 

4.2

5.5

 

5.5

 

5.5

Unit with Humidi-Mizer Adaptive Dehumidification System

 

 

 

 

 

 

Rows...Fins/in.

 

1...17

1...17

 

2...17

 

2...17

Total Face Area (sq ft)

 

3.5

3.9

 

3.9

 

3.9

EVAPORATOR FAN

 

 

 

Centrifugal Type, Belt Drive

Quantity...Size (in.)

 

1...10 x 10

1...10 x 10

 

1...10 x 10

 

1...10 x 10

Nominal Cfm

Std

800

1200

 

1600

 

2000

Maximum Continuous Bhp

0.58

1.20

 

1.20

 

1.30/2.40*

 

Hi-Static

 

2.40

 

2.40

 

2.90

Motor Frame Size

Std

48

48

 

48

 

48/56*

Motor Rpm

Hi-Static

 

56

 

56

 

56

Std

1620

1620

 

1620

 

1725

Fan Rpm Range

400-1000

680-1044

 

770-1185

 

1035-1460

Motor Bearing Type

Hi-Static

 

1075-1455

 

1075-1455

 

1300-1685

 

Ball

Ball

 

Ball

 

Ball

Maximum Fan Rpm

Std

1620

2100

 

2100

 

2100

Motor Pulley Pitch Diameter A/B (in.)

2.4/3.2

1.9/2.9

 

1.9/2.0

 

2.4/3.4

 

Hi-Static

 

2.8/3.8

 

2.8/3.8

 

3.4/4.4

Nominal Motor Shaft Diameter (in.)

Std

5/8

1/2

 

1/2

 

5/8

 

Hi-Static

7/8

5/8

 

5/8

 

5/8

Fan Pulley Pitch Diameter (in.)

Std

4.0

4.5

 

4.0

 

4.0

 

Hi-Static

4.5

4.5

 

4.0

 

4.5

Belt — Type...Length (in.)

Std

1...A...36

1...A...36

 

1...A...36

 

1....4...40

Pulley Center Line Distance (in.)

Hi-Static

 

1...A...39

 

1...A...39

 

1...A...40

Std

10.0---12.4

10.0-12.4

 

10.0-12.4

 

14.7-15.5

Speed Change per Full Turn of

60

65

 

70

 

75

Movable Pulley Flange (rpm)

Hi-Static

 

65

 

65

 

60

Movable Pulley Maximum Full

Std

5

5

 

5

 

6

Turns from Closed Position

Hi-Static

 

6

 

6

 

5

Factory Setting — Full Turns Open

Std

3

3

 

3

 

3

 

Hi-Static

 

31/2

 

31/2

 

31/2

Factory Speed Setting (rpm)

Std

756

826

 

936

 

1248

Fan Shaft Diameter at Pulley (in.)

Hi-Static

 

1233

 

1233

 

1396

 

5/8

5/8

 

5/8

 

5/8

HIGH-PRESSURE SWITCH (psig)

 

 

 

 

 

 

 

Standard Compressor Internal Relief

 

 

 

450 ± 50

 

 

Cutout

 

 

 

428

 

 

Reset (Auto.)

 

 

 

320

 

 

LOSS-OF-CHARGE/LOW-PRESSURE

 

 

 

 

 

 

 

SWITCH (Liquid LIne) (psig)

 

 

 

 

 

 

 

Cutout

 

 

 

7 ± 3

 

 

Reset (Auto.)

 

 

 

22 ± 5

 

 

FREEZE PROTECTION THERMOSTAT

 

 

 

 

 

 

 

Opens (F)

 

 

 

30

 

 

Closes (F)

 

 

 

45

 

 

OUTDOOR-AIR INLET SCREENS

 

 

Cleanable. Screen quantity and size varies with option selected.

RETURN-AIR FILTERS

 

 

 

 

Throwaway

 

 

Quantity...Size (in.)

 

 

 

2...16 x 25 x 2

 

 

LEGEND

 

 

***These units do NOT meet the California low NOx requirements.

Bhp — Brake Horsepower

 

 

†††California SCAQMD compliant low NOx

models have combustion products that are

 

 

controlled to 40 nanograms per joule or less.

*Single phase/three phase.

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Carrier 50HE003-006, 50HJ004 installation instructions Physical Data 50HE, Base Unit 50HE