48v t -- a – Carrier 48VT(N) User Manual

Page 9

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9

Table 1 – Physical Data -- Unit 48VT--A

UNIT SIZE

024040

024060

030040

030060

036060

036090

042060

042090

NOMINAL CAPACITY ---ton

2

2

2--- 1/2

2--- 1/2

3

3

3--- 1/2

3--- 1/2

SHIPPING WEIGHT ---lb.

(kg)

368

167

368

167

378

171

378

171

450

204

450

204

491

223

491

223

COMPRESSORS

Scroll

Quantity

1

REFRIGERANT (R---410A)

Quantity ---lb

(kg)

9.5

4.3

9.5

4.3

10.5

4.8

10.5

4.8

9.0

4.1

9.0

4.1

14.0

6.4

14.0

6.4

REFRIGERANT METERING

DEVICE

Indoor--- TXV, Outdoor--- Accurater

OUTDOOR ORIFICE

in. (qty)

(mm)

0.032 (2)

.81

0.032 (2)

.81

0.038 (2)

.97

0.038 (2)

.97

0.040 (2)

1.02

0.040 (2)

1.02

0.038 (Left OD Coil)

0.040 (Right OD Coil)

.97/1.02

OUTDOOR COIL

Rows...Fins/in.

Face Area---sq ft

2...21

13.6

2...21

13.6

2...21

15.4

2...21

15.4

2...21

13.6

2...21

13.6

2...21

19.4

2...21

19.4

OUTDOOR FAN

Nominal Cfm

Diameter---in.

(mm)

Motor Hp (Rpm)

2500

22

559

1/8 (825)

2500

22

559

1/8 (825)

2600

22

559

1/8 (825)

2600

22

559

1/8 (825)

3000

22

559

1/4 (1100)

3000

22

559

1/4 (1100)

3500

22

559

1/8 (825)

3500

22

559

1/8 (825)

INDOOR COIL

Rows...Fins/in.

Face Area---sq ft

3...17

3.7

3...17

3.7

3...17

3.7

3...17

3.7

3...17

4.7

3...17

4.7

3...17

4.7

3...17

4.7

INDOOR BLOWER

Nominal Cooling Airflow---(CFM)

Size---in.

(mm)

Motor ---hp

800

10x10

254x254

1/2

800

10x10

254x254

1/2

1000

10x10

254x254

1/2

1000

10x10

254x254

1/2

1200

11x10

279x254

3/4

1200

11x10

279x254

3/4

1400

11x10

279x254

3/4

1400

11x10

279x254

3/4

FURNACE SECTION*

Burner Orifice

Natural Gas Qty...Drill Size

Propane GasQty...Drill Size

2...44

2...55

2...38

2...53

2...44

2...55

2...44

2...53

2...38

2...53

3...38

3...53

2...38

2...53

3...38

3...53

HIGH---PRESSURE SWITCH

(psig) Cut---out

Reset (Auto)

650 +/--- 15

420 +/--- 25

LOSS---OF---CHARGE /

LOW---PRESSURE SWITCH

(Liquid Line) (psig)

Cut---out

Reset (auto)

20 +/--- 5

45 +/--- 10

RETURN---AIR FILTERS † }

Throwaway (in.)

(mm)

20x20x1

508x508x25

20x24x1

508x610x25

24x30x1

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.

Horizontal Duct Covers

A09076

Basepan
Downflow
(Vertical)
Supply
Knockout

Basepan
Downflow
(Vertical)
Return
Knockout

A09077

Fig. 8 -- Supply and Return Duct Opening

1

2

2

1

3

3

4

4

1. Score groove in corner 1 in both directions as far as you can reach.
2. Starting in corner 1, tap-out all sides with a small hammer. Be careful
not to damage any other part of unit.
3. If side from corner 3 to 4 is not accessible due to heat exchanger,
pivot panel up and down by hand until remaining side breaks off.

INSTRUCTIONS FOR REMOVING DOWNSHOT PANELS

A09054

Fig. 9 -- Vertical (Downflow) Discharge Duct Knockouts

48V

T

--

A

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