4
Table 1 — Physical Data
LEGEND
*Indoor coil fin material/outdoor coil fin material.
†Weight of 14 in. roof curb.
**Pulley cannot be run at 0 or
1
/
2
turns open.
UNIT SIZE 50HJQ
014
016
208/230, 460 V 575 V
OPERATING WT (lb)
Al/Al*
1615 1925
Al/Al Coated*
1615 1925
Unit Al/Cu*
1745 2075
Cu/Cu*
1815 2165
Electric Heat
65 65
EconoMi$er
80 80
Roof Curb†
200 200
COMPRESSOR
Semi-Hermetic
Type (Number)
06D-328 (1) 06D-818 (2)
Cylinders
64
Oil Change (oz.) (each circuit)
115 88
REFRIGERANT TYPE
R-22
Charge (lb)
System 1
26.0 16.5
System 2
— 16.5
OUTDOOR COIL
3
/
8
in., Internally Grooved Copper Tubes, Aluminum or Copper Lanced 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., Internally Grooved Copper Tubes, Aluminum or Copper Lanced Fins, Face Split
Expansion Device
Fixed Orifice
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
Fan Rpm Range
862-1132 1201-1462 799-1010
Maximum Allowable Rpm
1550 1550 1550
Motor Pulley Pitch Diameter (in.)
3.1/4.1 4.3/5.3 3.7/4.7
Fan Pulley Pitch Diameter (in.)
6.0 6.4 11.4
Belt, Quantity...Type...Length (in.)
1...BX...42 1...B...45 1...BX...46
Pulley Center Line Distance (in.)
13.5-15.5 13.5-15.5 13.3-14.8
Speed Change Per Turn (rpm)
54 52 42
Pulley Maximum Full Turns
6** 5 6**
Factory Pulley Turns Setting
33
1
/
2
3
Factory Speed Setting (rpm)
1024 1279 926
Fan Shaft Diameter (in.)
1
3
/
16
1
3
/
16
1
7
/
16
Motor Hp (Service Factor)
3.7 (1.15) 3.0 (1.15) 5.0 (1.15)
Motor Frame Size
56H 56H 184T
Motor Efficiency
0.84 0.84 0.84
HIGH-PRESSURE SWITCH
Cutout (psig)
426
Reset (psig)
320
LOW-PRESSURE/LOSS-OF-CHARGE SWITCH
Cutout (psig)
7
Reset (psig)
22
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
DEFROST THERMOSTAT
Defrost Time
30 min (Adjustable to 50 or 90 min)
Closes (F)
28
Opens (F)
65
Al — Aluminum
Cu — Copper
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