4
Physical data
* Required filter sizes shown are based on the larger of the ARI (Air Conditioning & Refrigeration Institute) rated
cooling airflow or the heating airflow velocity of 300 ft/minute for throwaway type or 450 ft/minute for high-
capacity type. Air filter pressure drop for non-standard filters must not exceed 0.08 in. wg.
UNIT SIZE 50JZ 024 030 036 042 048 060
NOMINAL CAPACITY (ton)
2 2-1/2 3 3-1/2 4 5
OPERATING WEIGHT (lb)
299 320 328 350 355 428
COMPRESSOR
Scroll
REFRIGERANT (R-410A)
Quantity (lb)
7.0 8.9 9.3 9.5 10.6 12.4
REFRIGERANT METERING DEVICE
Orifice ID (in.)
Orifice OD (in.)
AccuRater® Piston
0.061
2@0.032
0.061
2@0.040
0.067
2@0.043
0.073
2@0.038
0.076
2@0.046
0.088
2@0.052
OUTDOOR COIL
Rows—Fins/in.
Face Area (sq ft)
2—17
8.5
2—17
10.3
2—17
10.3
2—17
13.5
2—17
13.5
2—17
15.4
OUTDOOR FAN
Nominal Cfm
Diameter (in.)
Motor Hp (Rpm)
2350
22
1/8 (825)
2350
22
1/8 (825)
2800
22
1/4 (1100)
2500
22
1/8 (825)
3300
22
1/4 (1100)
3300
22
1/4 (1100)
INDOOR COIL
Rows—Fins/in.
Face Area (sq ft)
3—15
3.7
3—15
3.7
4—15
3.7
3—15
4.7
4—15
4.7
4—15
5.7
STANDARD INDOOR BLOWER
Nominal Airflow (Cfm)
Size (in.)
Motor (Hp)
800
10 x 10
1/4
1000
10 x 10
1/4
1200
10 x 10
1/2
1400
11 x 10
1/2
1600
11 x 10
1/2
1750
11 x 10
1.0
INDOOR BLOWER ICM FIOP ONLY
Nominal Airflow (Cfm)
Size (in.)
Motor (Hp)
800
10 x 10
1/2
1000
10 x 10
1/2
1200
10 x 10
3/4
1400
11 x 10
3/4
1600
11 x 10
3/4
1750
11 x 10
1.0
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
20 x 20 x 1 20 x 20 x 1 20 x 24 x 1 24 x 30 x 1 24 x 30 x 1 24 x 30 x 1
3
2
5
A
2
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OUTDOOR SOUND: OCTAVE BAND DATA—DECIBELS (L w(A))
MODEL NO. 50JZ
Frequency (Hz) 024 030 036 042 048 060
63
44.4 43.9 53.6 47.7 57.1 54.6
125
57.5 55.9 63.6 60.4 63.9 64.1
250
61.1 60.9 66.6 64.0 70.4 68.6
500
68.0 66.9 71.1 67.5 72.7 71.2
1000
68.4 67.2 73.2 68.9 73.7 73.9
2000
64.5 63.8 69.6 64.9 71.1 69.8
4000
59.0 62.4 65.9 62.0 66.7 68.1
8000
51.7 52.1 58.4 55.0 59.7 61.8
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