Bryant 574B - Manual (Page 6)

—6—
PHYSICAL DATA (cont)
† Required filter sizes shown are based on the larger of the ARI (Air Conditioning & Refrigeration Institute) rated cooling air-
flow or the heating airflow velocity of 300 ft/min for throwaway type or 450 ft/min for high-capacity type. Air filter pressure
drop for non-standard filters must not exceed 0.08 in. wg.
** Based on altitude of 0 to 2000 ft.
UNIT SIZE 574B 048090 048115 048130 060090 060115 060130
NOMINAL CAPACITY (ton) 4 4 4 5 5 5
OPERATING WEIGHT (lb) 463 463 463 499 499 499
COMPRESSORS Scroll
Quantity 1
REFRIGERANT (R-410A)
Quantity (lb) 11.25 11.25 11.25 13.5 13.5 13.5
REFRIGERANT METERING DEVICE
Indoor TXV
CONDENSER COIL
Rows—Fins/in. 2/21 2/21 2/21 2/21 2/21 2/21
Face Area (sq ft) 17.4 17.4 17.4 19.3 19.3 19.3
CONDENSER FAN
Nominal Cfm
Diameter (in.)
Motor Hp (Rpm) 3300
22
1/4 (1100)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
EVAPORATOR COIL
Rows—fins/in.
Face Area (sq ft) 4/15
4.7
4/15
4.7
4/15
4.7
4/17
5.7
4/17
5.7
4/17
5.7
EVAPORATOR BLOWER
Nominal Airflow (Cfm)
Size (in.)
Motor Hp (Rpm) 1400
11 x 10
3/4
1400
11 x 10
3/4
1400
11 x 10
3/4
1750
11 x 10
1.0
1750
11 x 10
1.0
1750
11 x 10
1.0
FURNACE SECTION**
Burner Orifice No. (Qty…Drill Size)
Natural Gas
Burner Orifice No. (Qty…Drill Size)
Propane Gas
3…38
3…46
3…33
3…42
3…31
3…41
3…38
3…46
3…33
3…42
3…31
3…41
HIGH-PRESSURE SWITCH (psig)
Cutout
Reset (Auto.)
610 ± 15
420 ± 25
LOSS-OF-CHARGE/LOW-PRESSURE SWITCH
(Liquid Line) (psig)
Cutout
Reset (Auto.)
20 ± 5
45 ± 10
RETURN-AIR FILTERS (in.)
Throwaway† 24 x 30 x 1 24 x 30 x 1 24 x 30 x 1 24 x 30 x 1 24 x 30 x 1 24 x 30 x 1