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PHYSICAL DATA — 579F180-300 (cont)
LEGEND
*Circuit 1 uses the lower portion of condenser coil and lower portion of evapora-
tor coils; and Circuit 2 uses the upper portion of both coils.
†Rollout switch is manual reset.
**The 579F300 units requires 2-in. industrial-grade filters capable of handling face
velocities of up to 625 ft/min (such as American Air Filter no. 5700 or equiva-
lent).
NOTE: The 579F units have a low-pressure switch (standard) located on the suc-
tion side.
OPERATING AND RIGGING WEIGHTS
*Base unit weight does not include electric heaters, copper coils, economizer,
power exhaust, barometric relief or crating. See Options and Accessories table
below for more information.
NOTE: For 180 and 216 unit sizes add 75 lb (34 kg) for domestic crating. For 240
and 300 unit sizes add 135 lb (61 kg). For export crating add 500 lb (227 kg).
OPTIONS AND ACCESSORIES
(Weight Adders)
LEGEND
UNIT 579F 180 216 240 300
FURNACE SECTION
Rollout Switch Cutout Temp (F)† 190 190 190 190
Burner Orifice Diameter (in. ...drill size)
Natural Gas 0.1285...30/0.136...29 0.1285...30/0.136...29 0.1285...30/0.136...29 0.1285...30/0.136...29
Thermostat Heat Anticipator Setting (amps)
208/230, 575 Stage 1 0.98 0.98 0.98 0.98
Stage 2 0.44 0.44 0.44 0.44
460 v Stage 1 0.80 0.80 0.80 0.80
Stage 2 0.44 0.44 0.44 0.44
Gas Input Stage 1 172,000/225,000 206,000/270,000 206,000/270,000 206,000/270,000
Stage 2 230,000/300,000 275,000/360,000 275,000/360,000 275,000/360,000
Efficiency (Steady State) (%) 81 81 81 81
Temperature Rise Range 15-45/20-50 15-45/20-50 15-45/20-50 15-45/20-50
Manifold Pressure (in. wg)
Natural Gas 3.3 3.3 3.3 3.3
Gas Valve Quantity 1111
Field Gas Connection Size (in.-FPT)
3
/
4
3
/
4
3
/
4
3
/
4
HIGH-PRESSURE SWITCH (psig)
Cutout 426
Reset (Auto) 320
LOW-PRESSURE SWITCH (psig)
Cutout 27
Reset (Auto) 44
FREEZE PROTECTION THERMOSTAT (F)
Opens 30 ± 5
Closes 45 ± 5
OUTDOOR-AIR INLET SCREENS Cleanable
Quantity...Size (in.) 2...20 x 25 x 1
1...20 x 20 x 1
RETURN-AIR FILTERS Throwaway**
Quantity...Size (in.) 4...20 x 20 x 2
4...16 x 20 x 2
POWER EXHAUST
1
/
2
Hp, 208/230-460 v Motor Direct Drive, Propeller-Fan (Factory-Wired for 460 v)
Bhp — Brake Horsepower
TXV — Thermostatic Expansion Valve
UNIT
BASE UNIT OPERATING WEIGHTS*
180 216 240 300
lb kg lb kg lb kg lb kg
579F 1650 748 1800 816 1850 839 2000 907
OPTION/
ACCESSORY
OPTION/ACCESSORY WEIGHTS
180 216 240 300
lb kg lb kg lb kg lb kg
Barometric Relief Damper 50 23 50 23 50 23 50 23
Power Exhaust 85 39 85 39 85 39 85 39
EconoMi$er IV 90 41 90 41 90 41 90 41
Cu Condenser Coil 150 68 150 68 150 68 150 68
Cu Condenser and Evaporator Coils 280 127 280 127 280 127 280 127
Roof Curb (14-in. curb) 200 91 200 91 200 91 200 91
Horizontal Adapter Curb (Pre-Assembled) 250 113 250 113 250 113 250 113
Horizontal Adapter Curb (Field-Assembled) 343 156 343 156 343 156 343 156
Hail Guard 60 27 60 27 60 27 60 27
Cu — Copper
579F180-300