50j z -- a – Carrier 50JZ-A User Manual

Page 9

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9

Table 1 – Physical Data -- Unit 50JZ--A

UNIT SIZE

50JZ---A24

50JZ---A30

50JZ---A36

50JZ---A48

NOMINAL CAPACITY (ton)

(kW)

2

7

2.5

8.8

3

10.6

4

14.1

OPERATING WEIGHT (lb)

(kg)

314

142.4

335

152.0

343

155.6

373

169.2

COMPRESSOR QUANTITY

1

TYPE

SCROLL COMPRESSOR

REFRIGERANT

R---410A

METERING DEVICE ID

Accurater

Refrigerant (R---410A) Quantity (lb)

Quantity (kg)

6.9

3.2

9.6

4.0

10.0

4.2

12.0

4.8

ORIFICE ID (in.)

(mm)

0.059

1.55

0.061

1.55

0.067

1.70

0.078

1.93

ORIFICE OD (in.)

(mm)

0.032 (2)

.81

0.040 (2)

1.02

0.040 (2)

1.02

0.046 (2)

1.17

OUTDOOR COIL

Rows... Fins/in.

Rows... Fins (cm)

face area (sq. ft.)

face area (sq. m)

2...17

2...6.7

8.5

.79

2...17

2...6.7

10.3

.96

2...17

2...6.7

10.3

.96

2...17

2...6.7

13.5

1.25

OUTDOOR FAN

Nominal Airflow (CFM)

Nominal Airflow (L/s)

Diameter (in)

Diameter (mm)

Motor HP (RPM)

Motor kW

Motor (r/s)

2200

1038

22

559

1/4 (900)

187

.187...15

2200

1038

22

559

1/4 (900)

187

.187...15

2200

1038

22

559

1/4 (900)

187

.187...15

2400

1133

22

559

1/3 (1340)

249

.249...22

INDOOR COIL

Rows... Fins/in.

Rows... Fins (cm)

face area (sq. ft.)

face area (sq. m)

3...15

3...5.9

3.7

.34

3...15

3...5.9

3.7

.34

4...15

4...5.9

3.7

.34

4...15

4...5.9

4.7

.44

INDOOR BLOWER

Nominal Cooling Airflow (CFM)

Nominal Cooling Airflow (L/s)

Size (in.)

Size (cm)

Motor (HP)

Motor (kW)

800

378

10x10

25.4x25.4

1/4

187

1000

472

10x10

25.4x25.4

1/2

373

1200

566

10x10

25.4x25.4

1/2

373

1600

708

11x10

27.9x25.4

1.0

746

HIGH---PRESSURE SWITCH (psig)

Cutout

Reset (Auto)

Cutout (kPA)

Reset (Auto) (kPa)

650±15

420±25

LOSS---OF---CHARGE/LOW---PRESSURE SWITCH

(Liquid Line) (psig) Cutout Reset (Auto)

Cutout (kPA)

Reset (Auto) (kPa)

20±5

45±10

20±5

45±10

RETURN---AIR FILTERS*{

throwaway (in.)

(mm)

20x20x1

508x508x25

20x20x1

508x508x25

24x24x1

610x610x25

24x30x1

610x762x25

*Required filter sizes shown are based on the larger of the AHRI (Air Conditioning, Heating and Refrigeration Institute) rated cooling airflow or the heating airflow

velocity of 300 ft/minute for throwaway type or 450 ft/minute for high---capacity type. Air filter pressure drop for non---standard filters must not exceed 0.08 IN.

W.C.
{

If using accessory filter rack refer to the filter rack installation instructions for correct filter size and quantity.

50J

Z

--

A

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