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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
64
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
33
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
33
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
50TFQ004-012
542J150,180