Bryant 548F - Manual (Page 103)

103
PHYSICAL DATA (cont)
542J150,180
LEGEND
*Weight of 14 in. roof curb
UNIT 542J 150 180
OPERATING WT (lb)
Unit 1615 1925
Electric Heat 65 65
EconoMi$er 80 80
Roof Curb* 200 200
COMPRESSOR Semi-Hermetic
Model Number (Quantity) 06D-328 (1) 06D-818 (2)
Cylinders 6 4
Capacity Staging (%) 0,66,100 0,50,100
Oil Change (oz) 11 88 (each)
REFRIGERANT TYPE R-22
Charge (lb)
System 1
26.0 16.5
System 2 — 16.5
OUTDOOR COIL 3 / 8 in. Enhanced Copper Tubes, Aluminum Lanced or Copper Plate Fins
Rows 3 3
Fins/in. 15 15
Total Face Area (sq ft) 21.7 21.7
OUTDOOR FAN Propeller Type, Direct Drive
Nominal Cfm 9,000 9,000
Number...Diameter (in.) 3...22 3...22
Motor Hp (1075 Rpm) 1/
2
1/
2
Watts Input (Total) 1090 1090
INDOOR COIL 3 /
8
-in. Enhanced Copper Tubes, Aluminum Double Wavy or Copper Plate Fins, Face Split
Rows 3 3
Fins/in. 15 15
Total Face Area (sq ft) 17.5 17.5
INDOOR FAN Centrifugal, Adjustable Pitch Belt Drive
Quantity...Size (in.) 2...10 x 10 2...12 x 12
Nominal Cfm 5000 6000
Fan Rpm Range STD 891-1179 817-1038
ALT 1227-1559 1082-1303
Motor Nominal Rpm 1725 1745
Maximum Allowable Rpm 1550 1550
Motor Pulley Pitch Diameter (in.) STD 3.1-4.1 3.7-4.7
ALT 3.7-4.7 4.9-5.9
Fan Pulley Pitch Diameter (in.) STD 6.0 7.9
ALT 5.2 7.9
Belt, Quantity...Type...Length (in.) STD 1...BX...42 1...BX...46
ALT 1...BX...42 1...BX...50
Pulley Center Line Distance (in.) 13.5-15.5 13.3-14.8
Factory Setting 3.5 3.5
Factory Speed Setting STD 1035 934
ALT 1389 1199
Motor Hp (Service Factor) 3.7 (1.15) 5 (1.15)
Motor Frame Size 56H 184T
Motor Efficiency 0.86 0.875
HIGH-PRESSURE SWITCH
Cutout (psig) 426
Reset (psig) 320
LOW-PRESSURE/LOSS-OF-CHARGE SWITCH
Cutout (psig) 7
Reset (psig) 22
FREEZE PROTECTION THERMOSTAT (F)
Opens 30 ± 5
Closes 45 ± 5
AIR INLET SCREENS Cleanable
Economizer, Quantity...Size (in.)
2...20 x 25 x 1
1...20 x 20 x 1
RETURN-AIR FILTERS (Type) 10% Efficient — 2-in. Throwaway Fiberglass
Quantity...Size (in.)
4...20 x 20 x 2
4...16 x 20 x 2
POWER EXHAUST 1 /
2
Hp 208/230 or 460 V Motor, Direct Drive Propeller Fan (Factory Wired for 460 V)
Al — Aluminum
Cu — Copper
50T
FQ0
04-
0
1
2
54
2J
150
,1
80