6table 1b — physical data (english) – Carrier 48TFE008-014 User Manual
Page 6
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Table 1B — Physical Data (English)
LEGEND
*Weight of 356 mm (14-in.) roof curb.
NOTE: The 48TF units have a loss-of-charge (low pressure) switch located in
the liquid line.
UNIT SIZE 48TF
008
012
014
Low Heat (D), Medium Heat (E), High Heat (F)
D
E
F
D
E
F
D
E
NOMINAL CAPACITY (tons)
6.1
8.3
10.2
OPERATING WEIGHT (lb)
Unit
870
1035
1050
Durablade Economizer
44
44
44
EconoMi$er
62
62
62
Roof Curb*
143
143
143
COMPRESSOR TYPE
Hermetic
Hermetic
Scroll
Quantity
2
2
2
Oil (oz)
50 ea
50 ea
54 ea
REFRIGERANT TYPE
R-22
Operating Charge (lb-oz)
Circuit 1
4-10
6-13
7-11
Circuit 2
4-11
7- 2
7- 8
CONDENSER COIL
Enhanced Copper Tubes, Aluminum Lanced Fins
Rows...Fins/in.
1...17
2...17
2...17
Total Face Area (sq ft)
20.50
20.50
25.00
CONDENSER FAN
Propeller Type
Nominal Cfm
6100
6500
6500
Quantity...Diameter (in.)
2...22
2...22
2...22
Motor BkW...Rpm
1
/
4
...930
1
/
4
...930
1
/
4
...930
EVAPORATOR COIL
Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol™ Feed Device
Rows...Fins/in.
3...15
3...15
4...15
Total Face Area (sq ft)
8.0
10.0
11.1
EVAPORATOR FAN
Centrifugal Type
Quantity...Size (in.)
1...15 x 15
1...15 x 15
1...15 x 15
Type Drive
Belt
Belt
Belt
Nominal Cfm
2600
3500
4200
Motor Hp
1
1
/
2
2
3
Maximum Continuous Bhp
2.40
2.40
3.70
Motor Frame Size
56
56
56
Fan Rpm Range
492-700
571-779
717-900
Motor Bearing Type
Ball
Ball
Ball
Maximum Allowable Rpm
1600
1600
1600
Motor Pulley Pitch Diameter Min/Max (in.)
2.4/3.4
2.8/3.8
4.0/5.0
Nominal Motor Shaft Diameter (in.)
5
/
8
5
/
8
7
/
8
Fan Pulley Pitch Diameter (in.)
7.0
7.0
8.0
Nominal Fan Shaft Diameter (in.)
—
—
—
Belt, Quantity...Type...Length (in.)
1...A...49
1...A...49
1...A...53
Pulley Center Line Distance (in.)
16.75-19.25
15.85-17.50
15.85-17.50
Speed Change per Full Turn of
Movable Pulley Flange (rpm)
41
41
36
Movable Pulley Maximum Full Turns
From Closed Position
5
5
5
Factory Setting
5
5
5
Factory Speed Setting (rpm)
492
571
717
Fan Shaft Diameter at Pulley (in.)
1
1
1
FURNACE SECTION
Rollout Switch Cutout Temp (F)
195
195
195
Burner Orifice Diameter (in. ...drill size)
Natural Gas
— Std
.120...31
.120...31
.120...31
.129...30
.120...31
.129...30
Liquid Propane — Alt
.096...41
.096...41
.096...41
.102...38
.096...41
.102...38
Thermostat Heat Anticipator Setting (amps)
400 v
Stage 1
.14
.14
.14
.14
.14
Stage 2
.14
.20
.20
.20
.20
Gas Input (Btuh)
Stage 1
72,000
109,000
136,000
109,000
136,000
150,000
136,000
150,000
‘
107,000
172,000
204,000
172,000
204,000
224,000
204,000
224,000
Efficiency (Steady State) (%)
80
80
80
Temperature Rise Range (F)
20-50
35-65
45-75
35-65
45-75
40-70
45-75
40-70
Manifold Pressure (in. wg)
Natural Gas
— Std
3.5
3.5
3.5
Liquid Propane — Alt
3.5
3.5
3.5
Field Gas Connection Size (in.)
1
/
2
3
/
4
3
/
4
3
/
4
3
/
4
HIGH-PRESSURE SWITCH (psig)
Standard Compressor
Internal Relief (Differential)
450 ± 50
500 ± 50
Cutout
428
Reset (Auto.)
320
LOW-PRESSURE SWITCH (psig)
Cutout
7 ± 3
Reset (Auto.)
22 ± 7
FREEZE PROTECTION THERMOSTAT
Opens (F)
30 ± 5
Closes (F)
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...20 x 20 x 2
4...20 x 20 x 2
Bhp —
Brake Horsepower
BkW —
Fan Input Watts x Motor Efficiency