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PHYSICAL DATA — 542J150,180
LEGEND
*Weight of 14 in. roof curb.
UNIT SIZE 542J
150
180
203/230 V, 460 V 575 V
NOMINAL CAPACITY (tons) 12.5 15
OPERATING WT (lb)
Unit 1615 1925
EconoMi$erIV 90 90
EconoMi$er2 85 85
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) 115 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...10 x 10 2...12 x 12
Nominal Cfm 5000 5000 6000
Maximum Continuous Bhp 4.25 3.45 5.90
Fan Rpm Range STD 891-1179 1159-1429 817-1038
ALT 1227-1559 — 1082-1303
Motor Nominal Rpm 1725 1550 1745
Maximum Allowable Rpm 1550 — 1550
Motor Pulley Pitch Diameter (in.) STD 3.1-4.1 4.3-5.3 3.7-4.7
ALT 3.7-4.7 — 4.9-5.9
Fan Pulley Pitch Diameter (in.) STD 6.0 6.4 7.9
ALT 5.2 — 7.9
Belt, Quantity...Type...Length (in.) STD 1...BX...42 1...BX...45 1...BX...46
ALT 1...BX...42 — 1...BX...50
Pulley Center Line Distance (in.) 13.5-15.5 13.5-15.5 13.3-14.8
Factory Setting 3.5 3.5 3.5
Factory Speed Setting STD 1035 1296 934
ALT 1389 — 1199
Motor Hp (Service Factor) 3.7 (1.15) 3.0 (1.15) 5 (1.15)
Motor Frame Size 56H 56H 184T
Motor Efficiency 0.86 0.82 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
OUTDOOR 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
542J