7table 1 — physical data (cont) – Carrier 48TJD User Manual
Page 7
7
Table 1 — Physical data (cont)
LEGEND
*Evaporator coil fin material/condenser coil fin material. Contact your local
representative for details about coated fins.
†Weight of 14-in. roof curb.
**Single phase/three-phase.
††Rollout switch lockout is manually reset by interrupting power to unit or
resetting thermostat.
NOTES:
1. The 48TJ004-007 units have a loss-of-charge (low-pressure) switch
located in the liquid line.
2. High-static motor not available on single-phase units.
UNIT SIZE 48TJ
E/F004
D/E/F005
D/E/F006
D/E/F007
FURNACE SECTION
Rollout Switch Cutout
Temp (F)††
195
195
195
195
Burner Orifice Diameter
(in. ...drill size)
Natural Gas
Std
.113...33
.113...33/.113...33/.129...30
.113...33/.113...33/.129...30
.113...33/.113...33/.129...30
Liquid Propane
Alt
.089...43
.089...43/.089...43/.102...38
.089...43/.089...43/.102...38
.089...43/.089...43/.102...38
Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1
.14
.14
.14
.14
Stage 2
.14
.14
.14
.14
460 v Stage 1
.14
.14
.14
.14
Stage 2
.14
.14
.14
.14
Gas Input (Btuh) Stage 1
74,000/82,000
74,000/115,000/120,000
74,000/115,000/120,000
74,000/115,000/120,000
Stage 2
—/115,000
—/—/150,000
—/—/150,000
—/—/150,000
Efficiency (Steady State) (%)
80
80
80
80
Temperature Rise Range
25-55/55-85
25-55/35-65/50-80
25-55/35-65/50-80
25-55/35-65/50-80
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
Gas Valve Pressure Range
Psig
0.180-0.487
0.180-0.487
0.180-0.487
0.180-0.487
in. wg
5.0-13.5
5.0-13.5
5.0-13.5
5.0-13.5
Field Gas Connection
Size (in.)
1
/
2
1
/
2
1
/
2
1
/
2
HIGH-PRESSURE SWITCH (psig)
Standard Compressor
450 ± 50
500 ± 50
Internal Relief (Differential)
Cutout
428
428
Reset (Auto.)
320
320
LOSS-OF-CHARGE (LOW PRESSURE)
SWITCH (psig)
Cutout
7 ± 3
Reset (Auto.)
22 ± 7
FREEZE PROTECTION THERMOSTAT (F)
Opens
30 ± 5
Closes
45 ± 5
OUTDOOR-AIR INLET SCREENS
Cleanable
Quantity...Size (in.)
1...20 x 24 x 1
RETURN-AIR FILTERS
Throwaway
Quantity...Size (in.)
2...16 x 25 x 2
Al
—
Aluminum
Bhp —
Brake Horsepower
Cu
—
Copper