Carrier installation instructions Physical Data - Unit 48EZ-A, 48EZ --A

Models: 48EZ-A

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Table 1 – Physical Data - Unit 48EZ-A

Table 1 – Physical Data - Unit 48EZ-A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT SIZE 48EZ

---A

 

24040

24060

30040

 

30060

36060

 

36090

42060

42090

 

NOMINAL CAPACITY ---

ton

 

 

2

 

2

2---

1/2

 

2---

1/2

 

3

 

 

3

3---

1/2

3---

1/2

 

SHIPPING WEIGHT ---

lb.

 

359

359

373

 

373

379

 

379

461

461

 

 

 

 

 

(kg)

163

163

169

 

169

172

 

172

209

209

 

COMPRESSORS

 

 

 

 

 

 

 

 

 

 

Scroll

 

 

 

 

 

 

 

 

 

 

Quantity

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

REFRIGERANT (R---

410A)

 

 

8.3

 

8.3

10.2

 

10.2

 

7.9

 

 

7.9

10.0

10.0

 

Quantity ---

lb

 

 

 

 

 

 

 

 

 

 

 

 

(kg)

 

 

 

3.8

 

3.8

 

4.6

 

 

4.6

 

3.6

 

 

3.6

 

4.5

 

4.5

 

REFRIGERANT METERING

 

 

 

 

 

 

Indoor TXV, Outdoor ---

Accurater

 

 

 

 

 

 

 

DEVICE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR ORIFICE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.038

(Left)

in. (qty)

 

 

 

0.032

(2)

 

 

0.035

(2)

 

 

0.037 (2)

 

 

 

 

 

 

 

 

 

 

 

0.040(Right)

(mm)

 

 

 

 

 

.81

 

 

 

.89

 

 

 

.94

 

 

 

.97/1.02

 

 

OUTDOOR COIL

 

 

2

...21

2

...21

2

...21

 

2

...21

2

...21

 

2

...21

2

...21

2

...21

 

Rows...Fins/in.

 

 

 

 

 

Face Area---

sq ft

 

 

11.9

11.9

11.9

 

11.9

11.9

 

11.9

13.6

13.6

 

OUTDOOR FAN

 

 

2000

2000

2700

 

2700

2700

 

2700

3100

3100

 

Nominal Cfm

 

 

 

 

 

 

Diameter---

in.

 

 

 

 

24

 

24

 

24

 

 

24

 

24

 

 

24

 

26

 

26

 

 

 

(mm)

 

610

610

610

 

610

610

 

610

660

660

 

Motor Hp (Rpm)

 

 

1/5 (810)

1/5 (810)

1/5 (810)

 

1/5 (810)

1/5 (810)

 

1/5 (810)

1/5 (810)

1/5 (810)

 

INDOOR COIL

 

 

3

17

3

17

3

17

 

3

17

3

17

 

3

17

3

17

3

17

 

...Rows Fins/in.

 

 

 

 

 

Face Area---

sq ft

 

 

 

3.7

 

3.7

 

3.7

 

 

3.7

 

3.7

 

 

3.7

 

4.7

 

4.7

 

INDOOR BLOWER

 

 

800

800

1000

 

1000

1200

 

1200

1400

1400

 

Nominal Cooling Airflow---

(CFM)

 

 

 

Size ---

in.

 

 

 

10x10

10x10

10x10

 

10x10

11x10

 

11x10

11x10

11x10

 

 

(mm)

 

 

254x254

254x254

254x254

 

254x254

279x254

 

279x254

279x254

279x254

 

Motor

---hp

 

 

 

1/2

1/2

1/2

 

1/2

3/4

 

3/4

3/4

3/4

 

FURNACE SECTION*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Burner Orifice

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Natural Gas Qty...Drill Size (Factory

Installed)

2

...44

2

...38

2

...44

 

2

...38

2

...38

 

3

...38

2

...38

3

...38

 

Propane GasQty...

Drill Size

2

...55

2

...53

2

...55

 

2

...53

2

...53

 

3

...53

2

...53

3

...53

 

HIGH --- PRESSURE SWITCH

 

 

 

 

 

 

 

 

650 +/

---15

 

 

 

 

 

 

 

 

(psig) Cut---

out

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reset (Auto)

 

 

 

 

 

 

 

 

 

 

 

420 +/

---25

 

 

 

 

 

 

 

 

LOSS--- OF---

CHARGE /

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOW--- PRESSURE SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Liquid Line) (psig)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cut---

out

 

 

 

 

 

 

 

 

 

 

 

20 +/

---5

 

 

 

 

 

 

 

 

Reset (auto)

 

 

 

 

 

 

 

 

 

 

 

45 +/ ---

10

 

 

 

 

 

 

 

 

 

RETURN---AIR FILTERS † }

20x20x1

 

 

20x24x1

 

 

 

 

 

 

24x30x1

 

 

 

 

Throwaway

(in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(mm)

 

 

508x508x25

 

 

508x610x25

 

 

 

 

 

 

610x762x25

 

 

 

*Based on altitude of 0 to 2000 ft (0---

610 m).

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

{Required filter sizes shown are based on the larger of the ARI (Air Conditioning and Refrigeration Institute) rated cooling airflow or the heating airflow velocity of 300 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 filter rack installation instructions for correct filter size and quantity.

48EZ -- A

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Carrier installation instructions Physical Data - Unit 48EZ-A, 48EZ --A