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PHYSICAL DATA — 580F090,120,150 UNITS (cont) LEGEND
*Evaporator coil fin material/condenser coil fin material. Contact your local repre-
sentative for details about coated fins.
†Weight of 14-in. roof curb.
**Rollout switch lockout is manually reset by interrupting power to unit or resetting
thermostat.
NOTE: High-static motor not available on size 150 units.
UNIT SIZE 580F 090 120 150
FURNACE SECTION
Rollout Switch Cutout
Temp (F)** 195 195 195
Burner Orifice Diameter
(in. ...drill size)
Natural Gas Std 125 .120...31 180 .120...31 224 .120...31
180 .120...31 224 .120...31 250 .129...30
224 .120...31 250 .129...30 — —
Liquid Propane Alt 125 .096...41 180 .096...41 224 .096...41
180 .096...41 224 .096...41 200 .102...38
224 .096...41 250 .102...38 — —
Thermostat Heat Anticipator
Setting (amps)
208/230 v and 575 Stage 1 .14 .14 .14
Stage 2 .20 .20 .20
460 v Stage 1 .14 .14 .14
Stage 2 .20 .20 .20
Gas Input (Btuh) Stage 1 125 125,000 180 120,000 224 180,000
180 120,000 224 180,000 250 200,000
224 180,000 250 200,000 — —
Stage 2 125 —180 180,000 224 224,000
180 180,000 224 224,000 200 250,000
224 224,000 250 250,000 — —
Efficiency (Steady
State) (%) 80 80 80
Temperature Rise Range 125 20-50 180 35-65 224 35-65
180 35-65 224 35-65 250 40-70
224 45-75 250 40-70 — —
Manifold Pressure (in. wg)
Natural Gas Std 3.5 3.5 3.5
Liquid Propane Alt 3.5 3.5 3.5
Gas Valve Quantity 111
Gas Valve Pressure Range (Min-Max Allowable)
Psig 0.180-0.470 0.180-0.470 0.180-0.470
in. wg 5.0-13.0 5.0-13.0 5.0-13.0
Field Gas Connection
Size (in. FPT) 1/2/3/4/3/43/4/3/4/3/43/4/3/4
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.) Varies by Option Selected
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
Al — Aluminum
Bhp — Brake Horsepower
Cu — Copper
580F036-151