Table 1 Ð Physical Data (cont)

UNIT SIZE 48TJ

 

008D/E/F

009D/E/F

012D/E/F

014D/E

FURNACE SECTION

 

 

 

 

 

Rollout Switch Cutout

 

 

 

 

 

Temp (F)

 

195

195

195

195

Burner Ori®ce Diameter

 

 

 

 

 

 

(in. ...drill size)

 

 

 

 

 

 

Natural Gas

Std

.120...31

.120...31

.120...31/.120...31/.129...30

.120...31/.129...30

 

Liquid Propane

Alt

.096...41

.096...41

.096...41/.096...41/.102...38

.096...41/.102...38

Pilot Ori®ce Diameter

 

 

 

 

 

(Quantity) in. ...drill size

 

 

 

 

 

 

Natural Gas

Std

Ð

Ð

Ð

Ð

 

Liquid Propane

Alt

Ð

Ð

Ð

Ð

Thermostat Heat Anticipator

 

 

 

 

 

Setting (amps)

 

 

 

 

 

 

208/230 v Stage 1

 

.14

.14

.14

.14

 

Stage 2

 

.20

.20

.20

.20

 

460 v Stage 1

 

.14

.14

.14

.14

 

Stage 2

 

.20

.20

.20

.20

Gas Input (Btuh) Stage 1

 

125,000/120,000/180,000

125,000/120,000/180,000

120,000/180,000/200,000

180,000/200,000

 

Stage 2

 

Ð/180,000/224,000

Ð/180,000/224,000

180,000/224,000/250,000

224,000/250,000

Efficiency (Steady

 

 

 

 

 

 

State) (%)

 

80

80

80

80

Temperature Rise Range

 

20-50/35-65/45-75

20-50/35-65/45-75

35-65/35-65/40-70

35-65/40-70

Manifold Pressure (in. wg)

 

 

 

 

 

 

Natural Gas

Std

3.5

3.5

3.5

3.5

 

Liquid Propane

Alt

3.5

3.5

3.5

3.5

Gas Valve Quantity

 

1

1

1

1

Field Gas Connection

 

 

 

 

 

 

Size (in.)

 

1¤2/3¤4/3¤4

1¤2/3¤4/3¤4

3¤4/3¤4/3¤4

3¤4/3¤4

HIGH-PRESSURE SWITCH (psig)²

 

 

 

 

Standard Compressor

 

 

450 ± 50

 

500 ± 50

Internal Relief (Differential)

 

 

 

 

 

Cutout

 

 

428

 

428

Reset (Auto.)

 

 

320

 

320

LOW-PRESSURE SWITCH (psig)²

 

 

 

 

Cutout

 

 

7 ± 3

 

Reset (Auto.)

 

 

22 ± 7

 

FREEZE PROTECTION

 

 

 

 

 

THERMOSTAT (F)²

 

 

 

 

 

Opens

 

 

30 ± 5

 

Closes

 

 

45 ± 5

 

OUTDOOR-AIR INLET SCREENS

 

 

Cleanable

 

Quantity...Size (in.)

 

 

1...20 x 25 x 1

 

 

 

 

 

1...16 x 25 x 1

 

RETURN-AIR FILTERS

 

 

Throwaway

 

Quantity...Size (in.)

 

4...16 x 20 x 2

4...16 x 20 x 2

4...20 x 20 x 2

4...20 x 20 x 2

 

LEGEND

 

 

*Evaporator coil ®n material/condenser coil ®n material.

Al

Ð Aluminum

 

 

²Requires an optional or accessory controls kit.

 

 

 

 

 

 

Bhp

Ð Brake Horsepower

 

 

NOTE: The 48TJ008-014 units have a loss-of-charge/low-pressure

Cu

Ð Copper

 

 

switch (accessory) located in the liquid line.

 

6

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Image 6
Carrier 48TJE008-014 Furnace Section, Freeze Protection Thermostat F², OUTDOOR-AIR Inlet Screens, RETURN-AIR Filters

48TJF008-012, 48TJD008-014, 48TJE008-014 specifications

Carrier's 48TJD008-014, 48TJE008-014, and 48TJF008-012 series are high-performance packaged rooftop units engineered to meet the heating, ventilation, and air conditioning (HVAC) needs of commercial and industrial applications. These units are renowned for their reliability, energy efficiency, and advanced technologies, making them a popular choice among facility managers and HVAC professionals.

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In summary, Carrier's 48TJD008-014, 48TJE008-014, and 48TJF008-012 rooftop units are engineered for efficiency, reliability, and comfort. With their durable construction, advanced compressor technology, energy efficiency, comfort features, and ease of installation, these units are ideal for meeting the demanding HVAC needs of commercial spaces.