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5F,H
Open-Drive Compressors
09RH
Water-Cooled Condensers
Application Data
CONTENTS
Page Page
COMPRESSOR PHYSICAL DATA . . . . . . . . . . . . . . . . . 1 Determining Intermediate Pressure . . . . . . . . . . . . . 31
Gas Desuperheating . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
OPEN-DRIVE COMPRESSORS . . . . . . . . . . . . . . . . 2-29
Liquid Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Operating Requirements . . . . . . . . . . . . . . . . . .
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OPEN-DRIVE COMPRESSORS Table 3 — “C” Factors These compressors are designed to operate with Refriger- COMPRESSION WITHOUT WITH ants 12, 22, 134a, 502, or 507/404A. See Table 1. RATIO WATER-COOLED WATER-COOLED HEADS* Discharge psia HEADS Operating Requirements — Satisfactory operation of = R-22 Suction psia R-12 R-22 R-502 a reciprocating compressor depends on 3 fundamental 2 1.14 1.17 1.13 1.15 requirements: 3 1.19 1.25 1.22 1.22 1. Prevention of excess discharge temperature. 4 1.23 1.31 1.27 1.
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During compressor shutdown, gravity, thermal action and protection against liquid refrigerant accumulating in the refrigerant absorption can result in a refrigerant and oil mixture compressor crankcase. in compressor crankcase. Gravity flow can be prevented by the Do not use pumpdown control with dry expansion coolers use of recommended loops, but thermal action and the absorp- as it may cause frost pinching or freeze-up. Do not use tion of refrigerant by lubricating oil cannot be prevented by p
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When operating conditions are such that suction gas Compressor Capacity Notes becomes highly superheated and/or the compression ratio is 1. Compressor capacities are based on 1750 rpm and 15 F high, it is recommended that an oil cooler be used on the com- subcooling for all unit sizes and refrigerants. pressor. An oil cooler is required on increased displacement 2. Multiplying factors for other rpm: compressors (5H46, 66, 86, and 126) on installations where compressor(s) can be subjected to exte
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Table 6 — Rating Basis and Capacity Multipliers for R-12 and R-134a* RETURN GAS TEMPERATURE (F) SST SDT (F) (F) –30 –20 –10 0 10 20 30 40 50 60 65 90 0.963 0.966 0.970 0.973 0.977 0.981 0.985 0.989 0.993 0.998 1.000 100 0.951 0.956 0.960 0.965 0.970 0.976 0.981 0.986 0.992 0.997 1.000 110 0.938 0.944 0.950 0.957 0.963 0.970 0.977 0.983 0.990 0.997 1.000 –30 120 0.923 0.931 0.939 0.947 0.955 0.964 0.972 0.980 0.988 0.996 1.000 130 0.906 0.916 0.926 0.936 0.945 0.958 0.966 0.976 0.986 0.995 1.000
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Table 7 — Rating Basis and Capacity Multipliers for R-502 and R-507/404A RETURN GAS TEMPERATURE (F) SST SDT (F) (F) –30 –20 –10 0 10 20 30 40 50 60 65 90 0.913 0.922 0.931 0.941 0.950 0.959 0.968 0.977 0.986 0.995 1.000 100 0.893 0.905 0.916 0.928 0.939 0.956 0.962 0.973 0.984 0.995 1.000 110 0.870 0.884 0.899 0.913 0.927 0.941 0.954 0.967 0.981 0.994 1.000 –30 120 0.843 0.861 0.879 0.896 0.913 0.929 0.945 0.961 0.977 0.992 1.000 130 0.812 0.834 0.855 0.876 0.896 0.916 0.935 0.954 0.973 0.991 1.
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Table 8 — Compressor Ratings; R-12 UNIT 5F205F305F405F60 UNIT 5F205F305F40 5F60 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp 80 0.6 1.7 1.0 2.7 1.3 3.4 2.0 5.3 80 7.0 3.8 10.5 5.9 14.1 7.6 21.1 11.2 –40 90 0.5 1.6 0.8 2.6 1.1 3.3 1.6 5.1 90 6.6 4.5 9.9 6.8 13.2 8.9 19.8 13.3 100 0.4 1.5 0.6 2.4 0.9 3.1 1.3 4.7 100 6.2 5.2 9.3 7.8 12.3 10.1 18.5 15.3 105 5.9 5.5 8.9 8.2 11.9 10.7 17.9 16.2 80 1.0 2.2 1.5 3.4 2.0 4.2 3.0 6.6 42 110 5.7 5.8 8.6 8.6 11.5 11
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Table 8 — Compressor Ratings; R-12 (cont) UNIT 5H40 5H46 5H60 5H66 UNIT 5H40 5H46 5H60 5H66 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp 80 3.2 9.1 4.0 11.9 4.9 13.1 6.1 17.1 80 33.2 19.6 40.8 25.5 49.4 28.9 61.3 37.6 –40 90 2.7 8.8 3.4 11.5 4.1 12.7 5.2 16.6 90 31.2 22.4 38.4 29.1 46.5 33.1 57.7 43.0 100 2.2 8.4 2.8 11.0 3.4 12.1 4.3 15.8 100 29.2 24.9 36.0 32.4 43.6 36.9 54.1 48.0 105 28.3 26.1 34.8 34.0 42.1 38.7 52.3 50.4 80 4.9 11.1 6.0 14.4 7.3 16
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Table 8 — Compressor Ratings; R-12 (cont) UNIT 5H80 5H86 5H120 5H126 UNIT 5H80 5H86 5H120 5H126 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp 80 6.6 17.5 8.2 22.8 9.8 25.8 12.2 33.4 80 65.9 38.5 81.8 50.0 99.0 57.1 122.8 74.3 –40 90 5.6 17.0 7.0 22.1 8.3 24.9 10.3 32.4 90 62.0 44.0 76.9 57.3 93.1 65.5 115.5 85.1 100 4.6 16.2 5.8 21.1 6.9 23.7 8.6 30.8 100 58.1 49.1 72.1 63.9 87.2 73.2 108.2 95.1 105 56.2 51.5 69.7 67.0 84.3 76.8 104.6 99.8 80 9.8 21.3 12
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Table 9 — Compressor Ratings; R-22 UNIT 5F205F305F405F60 UNIT 5F205F305F40 5F60 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp –40 80 1.0 2.6 1.5 4.0 2.1 5.3 3.0 7.9 80 11.0 5.9 16.5 9.0 22.1 11.9 33.2 17.2 90 10.4 7.0 15.6 10.5 20.8 14.0 31.2 20.5 80 1.5 3.4 2.3 5.1 3.1 6.7 4.6 10.0 –30 100 9.7 8.0 14.6 12.0 19.4 15.9 29.2 23.7 90 1.3 3.3 2.0 5.0 2.7 6.7 4.1 10.0 105 9.4 8.5 14.1 12.7 18.8 16.9 28.2 25.1 42 80 2.2 4.1 3.3 6.1 4.4 8.0 6.6 12.1 110 9.0 9.0
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Table 9 — Compressor Ratings; R-22 (cont) UNIT 5H40 5H46 5H60 5H66 UNIT 5H40 5H46 5H60 5H66 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp –40 80 5.0 12.8 6.2 16.7 7.6 18.7 9.4 24.4 80 52.2 29.3 64.1 38.1 77.6 43.6 96.3 56.7 90 49.1 33.7 60.4 43.8 73.2 50.2 90.8 65.4 80 7.5 15.9 9.3 20.6 11.4 23.3 14.1 30.4 –30 100 46.1 37.8 56.7 49.2 68.7 56.4 85.3 73.4 90 6.6 15.7 8.3 20.5 10.0 23.2 12.5 30.2 105 44.6 39.7 54.9 51.7 66.5 59.3 82.5 77.2 42 80 10.7 18.9 1
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Table 9 — Compressor Ratings; R-22 (cont) UNIT 5H80 5H86 5H120 5H126 UNIT 5H80 5H86 5H120 5H126 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp –40 80 10.2 24.9 12.7 32.5 15.2 36.9 18.9 48.0 80 103.5 57.9 128.4 75.4 155.4 86.3 192.8 112.5 90 97.6 66.8 121.0 87.0 146.5 99.7 181.7 129.7 80 15.2 31.0 18.9 40.3 22.8 46.1 28.3 59.9 –30 100 91.6 75.0 113.7 97.6 137.6 112.0 170.7 145.7 90 13.5 30.8 16.8 40.1 20.1 45.7 25.0 59.5 105 88.7 78.8 110.0 102.6 133.1 117
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Table 10 — Compressor Ratings; R-502 UNIT 5F205F305F405F60 UNIT 5F205F305F40 5F60 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp –60 80 0.4 1.6 0.6 2.5 0.9 3.4 1.3 5.1 80 9.7 6.8 14.5 10.2 19.4 13.5 29.1 19.8 90 8.9 7.7 13.4 11.6 17.9 15.3 26.8 22.8 80 0.8 2.4 1.2 3.7 1.6 5.0 2.4 7.3 100 8.2 8.6 12.3 12.9 16.4 17.1 24.7 25.5 90 0.6 2.2 0.9 3.4 1.3 4.7 1.9 6.8 32 –50 105 7.8 9.1 11.8 13.5 15.7 17.9 23.6 26.8 100 0.5 2.0 0.7 3.0 1.1 4.4 1.5 6.2 110 7.5 9.5
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Table 10 — Compressor Ratings; R-502 (cont) UNIT 5H40 5H46 5H60 5H66 UNIT 5H40 5H46 5H60 5H66 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp –60 80 2.2 8.9 2.8 11.6 3.4 12.9 4.3 16.8 80 45.8 32.6 56.3 42.3 68.2 48.5 84.6 63.1 90 42.4 36.5 52.2 47.4 63.2 54.4 78.4 70.7 80 3.9 12.0 4.9 15.6 6.0 17.5 7.5 22.9 100 39.0 40.0 48.1 52.1 58.2 59.8 72.2 77.8 90 3.2 11.3 4.0 14.8 4.9 16.6 6.2 21.7 32 –50 105 37.4 41.7 46.0 54.2 55.8 62.3 69.2 81.0 100 2.5 10.5 3.2
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Table 10 — Compressor Ratings; R-502 (cont) UNIT 5H80 5H86 5H120 5H126 UNIT 5H80 5H86 5H120 5H126 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp –60 80 4.7 17.3 5.9 22.6 6.9 25.3 8.6 32.9 80 90.9 64.5 112.7 83.9 136.5 96.1 169.3 125.1 90 84.2 72.3 104.5 94.1 126.5 108.0 156.9 140.4 80 8.1 23.4 10.1 30.5 12.1 34.5 15.0 44.9 100 77.6 79.4 96.3 103.4 116.5 118.7 144.6 154.3 90 6.7 22.2 8.3 29.0 9.9 32.7 12.3 42.6 32 –50 105 74.3 82.8 92.2 107.7 111.6 123.8 1
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Table 11 — Compressor Ratings; R-134a UNIT 5F205F305F405F60 UNIT 5H80 5H86 5H120 5H126 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp 90 2.9 4.0 4.4 6.0 5.8 7.9 8.7 11.7 90 27.5 36.8 34.1 47.9 41.3 54.7 51.2 74.0 100 2.7 4.2 4.0 6.3 5.3 8.3 8.0 12.3 100 25.0 39.0 31.1 50.6 37.6 57.9 46.7 77.6 105 2.5 4.3 3.8 6.4 5.1 8.5 7.6 12.6 105 23.8 39.8 29.6 51.8 35.8 59.3 44.4 78.6 10 10 110 2.4 4.4 3.6 6.5 4.8 8.6 7.2 12.8 110 22.6 40.5 28.1 52.8 34.0 60.4 42.2 79
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Table 12 — Compressor Ratings; R-507/404A UNIT 5F205F305F405F60 UNIT 5H80 5H86 5H120 5H126 SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp SST SDT Cap. Bhp Cap. Bhp Cap. Bhp Cap. Bhp 90 1.0 3.5 1.5 5.1 2.1 6.8 3.1 10.2 90 10.1 29.2 12.6 37.9 15.2 43.3 18.9 56.4 100 0.8 3.3 1.3 4.9 1.7 6.5 2.5 9.7 100 8.3 28.1 10.3 36.5 12.5 41.6 15.6 54.3 –40 –40 105 0.7 3.2 1.1 4.8 1.5 6.3 2.2 9.4 105 7.3 27.6 9.1 35.8 11.1 41.0 13.8 53.2 110 0.6 3.1 0.9 4.7 1.3 6.2 1.9 9.2 110 6.3 27.1 7.9 35.2 9.6 40.2 11.9 52.3
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3 Table 13 — Minimum Gpm Required for Vibration isolators giving approximately / -in. deflection 8 Water-Cooled Heads and/or Oil Cooler are available for superior isolation or if the compressor is run at (Based on 30° F Rise) slower speeds. Tables 14 and 15 provide an estimated weight distribution on legs of a compressor or condensing unit when COMPRESSOR GPM used with a normal horsepower motor. 5F 2-3 MUFFLERS — Four standard mufflers cover the entire model 5H (4, 6 and 8 Cylinders) 6 range of
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Table 15 — Weight Distribution, Compressor the position of the capacity control valve, since suction valves Units (See drawing, Table 14) will be held in open position until the lubricating oil pressure reaches its normal operating level. Refer to Fig. 4 for cylinder WT DISTR (lb) unloading sequence. COMPR NEMA FRAME SIZE A or D B or C An external adjusting stem is provided to set control point Belt Drive and maintain desired suction pressure. The control point is 5F20 115 100 182T, 184T, 213T,
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Table 16 — Capacity Control Reduction Steps Principle of Operation of the System — An increase in suc- tion gas pressure, which requires increased compressor CAP. STEPS (% Full Load Cap.) capacity, causes the needle valve to close. Therefore, lubrica- 1 1 2 1 1 1 100 87 / 83 / 75 66 / 62 / 50 37 / 33 / 25 2 3 3 2 2 3 tion oil pressure in power element increases. Increased oil COMPR CONTR % Full Load Bhp MODEL CYL pressure in power element moves the power piston upward and 100 90 86 8074 7160 50
