Carrier 48TM016-028 Installation, Start-Up And Service Instructions Manual page 10

UNIT 48TM
FURNACE SECTION
Rollout Switch Cutout Temp (F)***
Burner Orifice Diameter (in. ...drill size)
Natural Gas
Thermostat Heat Anticipator Setting (amps)
208/230, 575 v Stage 1
Stage 2
460 v Stage 1
Stage 2
Gas Input Stage 1
Stage 2
Efficiency (Steady-State) (%)
Temperature Rise Range
Manifold Pressure (in. wg)
Natural Gas
Liquid Propane†††
Gas Valve Quantity
Gas Valve Pressure Range
in. wg
psig
Field Gas Connection Size (in.-FPT)
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
LOW-PRESSURE SWITCH (psig)
Cutout
Reset (Auto)
FREEZE PROTECTION THERMOSTAT (F)
Opens
Closes
OUTDOOR-AIR INLET SCREENS
Quantity...Size (in.)
RETURN-AIR FILTERS
Quantity...Size (in.)
POWER EXHAUST
LEGEND
Bhp — Brake Horsepower
TXV — Thermostatic Expansion Valve
*The ZRU140KC compressor is a tandem compressor, consisting of a ZR72KC (25% total
capacity) and a ZR68KC (24% total capacity).
†Circuit 1 uses the lower portion of the condenser coil and lower portion of the evaporator
coils; and Circuit 2 uses the upper portion of both coils.
**Pulley has 6 turns. Due to belt and pulley size, movable pulley cannot be set to 0 to 1
turns open.
††Pulley has 6 turns. Due to belt and pulley size, movable pulley cannot be set to 0 to
open.
***Rollout switch is manual reset.
†††A Liquid Propane kit is available as an accessory.
¶The 48TM028 unit requires 2-in. industrial-grade filters capable of handling face velocities up
to 625 ft/min (such as American Air Filter no. 5700 or equivalent).
NOTE: The 48TM016-028 units have a low-pressure switch (standard) located on the suction
side.
Table 1 — Physical Data (cont)
016D/F
190
Std 0.1285...30/0.136...29 0.1285...30/0.136...29 0.1285...30/0.136...29 0.1285...30/0.136...29
0.98
0.44
0.80
0.44
172,000/225,000
230,000/300,000
81
15-45/20-50
Std 3.3
Alt 3.3
1
5.5-13.5
0.235-0.487
3
/
4
1 / Hp, 208/230-460 v Motor Direct Drive, Propeller-Fan (Factory-Wired for 460 v)
2
10
020D/F 025D/F
190 190
0.98 0.98
0.44 0.44
0.80 0.80
0.44 0.44
206,000/270,000 206,000/270,000
275,000/360,000 275,000/360,000
81 81
15-45/20-50 15-45/20-50
3.3 3.3
3.3 3.3
1
5.5-13.5 5.5-13.5
0.235-0.487 0.235-0.487
3 3
/
4
426
320
27
44
30 ± 5
45 ± 5
Cleanable
2...20 x 25 x 1
1...20 x 20 x 1
Throwaway¶
4...20 x 20 x 2
4...16 x20 x 2
1 /
2
1 / turns
2
028D/F
190
0.98
0.44
0.80
0.44
206,000/270,000
275,000/360,000
81
15-45/20-50
3.3
3.3
1 1
5.5-13.5
0.235-0.487
3
/ /
4 4