hspc
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Conversions and Formulas Pressure Temperature Chart 800.497.6805 www.icorinternational.com “making your life easier” COIL TEMPERATURE CHART INSTRUCTIONS Select design temperature for your evaporator and condenser- Match to approx. operational pressures. NU-22 - 120° condensing / 40° evaporator approx. 234 psig head / 60 psig suction Hot Shot - 100° condensing / 28° evaporator approx. 126 psig head / 26 psig suction NU-22 - 100° condensing / -30° evaporator approx. 176 psig head / 3 psig evaporator Hot Shot - 100° condensing / -20 evaporator approx. 126 psig head / 0 psig suction CUBIC FEET x 7.480 = GALLONS 2.307 = FEET of WATER PSI x 2.30 = IN HG 27.7 = IN. WATER COLUMN 2547 = BTUH HORSEPOWER x 745.7 = WATTS WATTS x 3.413 = BTUH x 3413 = BTUH 1.34 = HORSEPOWER CENTIGRADE x 1.8 + 32 = FAHRENHEIT Single Phase Loads W = Watts I = Amperes E = Voltage R = Ohms To obtain any value in the center circle, perform the operation in the adjacent segment of the outer circle. Full Load Current = W atts (1 Ø) Voltage Full Load Current = W atts (3 Ø) 1.732 x Voltage Volts = Amps x Resistance Watts = Volts x Amps WATER SIDE - Chillers, Condensers BTUH = 500 x GPM x ▲ T BTUH 500 x GPM GALLON of WATER = 8.33 lbs. 8.33 lbs/GAL x 60 = 500 lbs/hr DENSITY = 62.4 lbs/cubic ft GPM x Ft. W ater Pump Eff. x 3960 Approx. Weights of Refrigerant in CU lines - lbs/100 Lineal Feet Line Size Refrigerant Suction Liquid Line Size Refrigerant Suction Liquid O.D. in. Line Line O.D. in. Line Line R-12 0.06 4.30 R-12 0.63 45.90 R414B 0.06 3.40 R414B 0.50 36.70 3 / 8 R22 0.08 3.90 1 1 / 8 R22 0.87 41.60 R417A 0.08 3.80 R417A 0.85 40.77 R12 0.11 8.10 R12 0.96 69.90 R414B 0.09 6.50 R414B 0.77 55.90 1 / 2 R22 0.15 7.40 1 3 / 8 R22 1.33 63.50 R414A 0.15 7.25 R414A 1.30 62.23 R12 0.19 12.90 R12 1.36 99.00 R414B 0.15 10.30 R414B 1.10 79.20 5 / 8 R22 0.25 11.80 1 5 / 8 R22 1.88 90.00 R417A 0.25 11.56 R417A 1.84 88.20 R12 0.37 26.90 R12 2.40 172.00 R414B 0.30 21.50 R414B 1.89 137.60 7 / 8 R22 0.51 24.40 2 1 / 8 R22 3.26 156.00 R417A 0.50 23.91 R417A 3.19 152.88 (Does not apply to residential appliances) Air Cooled condensing unit INDOOR - NO FAN CYCLING - per HP • Hot Shot - Two (2) pounds • NU-22 - Three (3) pounds • Plus the liquid line weight OUTDOOR - FLOODED CONDENSER - per HP • Hot Shot - Four (4) pounds • NU-22 - Five (5) pounds • Plus the liquid line weight OUTDOOR FAN CYCLING - per HP • Hot Shot - Three (3) pounds • NU-22 - Four (4) pounds • Plus the liquid line weight WATER COOLED CONDENSING UNIT - per HP • Hot Shot - One (1) pound • NU-22 - Two (2) pounds • Plus the liquid line weight * NU-22 RESIDENTIAL A/C APPLICATIONS USE A 1 / 1 CHARGING RATIO AIR COILS - In BTUH Qsensible = 1.08 x CFM x ▲ T Qlatent = 0.68 x CFM x ▲ SH Qtotal = 4.5 x CFM x ▲ H Q = Heat Flow in BTUH SH = Specific Humidity (grains of moisture) H = Enthalpy Always unload the cylinder in liquid phase. Don’t clear the sightglass. As temperature approaches design, verify superheat, adjust charge if necessary to optimize performance. W I R E E 2 R E 2 W W I 2 1 2 x R E x 1 1 x R W x R E R W E W I E I W R ICOR International Coil Temperature Chart HOT SHOT and NU-22 Evaporator Condensing Design Temp. °F -40 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 NU-22 PSIG 0.2 0.5 1.0 1.8 2.5 3.4 4 5 6 7 8 9 10 11 12 14 15 16 18 19 20 22 24 25 Hot Shot PSIG 1 0.5 0.2 0.1 0 0.5 1 2 3 4 5 6 7 8 9 10 11 12 Hot Shot PSIG 13 14 15 16 17 18 19 22 24 25 26 28 30 32 34 36 38 40 42 44 46 48 50 52 Design Temp. °F 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 NU-22 PSIG 27 28 30 32 34 36 38 40 42 44 46 48 51 53 55 58 61 63 66 69 72 75 78 81 NU-22 PSIG 151 156 161 166 171 176 182 187 193 198 204 210 216 Hot Shot PSIG 106 110 112 116 121 126 131 136 141 145 149 154 159 Design Temp. °F 116 118 120 122 124 126 128 130 132 134 136 138 140 NU-22 PSIG 222 228 234 241 248 254 261 267 275 282 289 317 305 Hot Shot PSIG 164 169 174 180 184 190 196 200 204 210 216 222 227 Design Temp. °F 90 92 94 96 98 100 102 104 106 108 110 112 114 KILOWATT ▲ T = CHARGING TIPS- REFRIGERATION APPLICATIONS Pump HP=
description
instruction
Transcript of hspc
-
Conversions and Formulas
Pressure Temperature Chart
800.497.6805 www.icorinternational.com
making your life easier
COIL TEMPERATURE CHART INSTRUCTIONSSelect design temperature for your evaporator and condenser-
Match to approx. operational pressures.
NU-22 - 120 condensing / 40 evaporator approx. 234 psig head / 60 psig suction
Hot Shot - 100 condensing / 28 evaporatorapprox. 126 psig head / 26 psig suction
NU-22 - 100 condensing / -30 evaporatorapprox. 176 psig head / 3 psig evaporator
Hot Shot - 100 condensing / -20 evaporatorapprox. 126 psig head / 0 psig suction
CUBIC FEET x 7.480 = GALLONS2.307 = FEET of WATER
PSI x 2.30 = IN HG27.7 = IN. WATER COLUMN2547 = BTUH
HORSEPOWER x 745.7 = WATTSWATTS x 3.413 = BTUH
x 3413 = BTUH1.34 = HORSEPOWER
CENTIGRADE x 1.8 + 32 = FAHRENHEIT
Single PhaseLoads
W = WattsI = AmperesE = VoltageR = Ohms
To obtain any value in the center circle, perform the operationin the adjacent segment of the outer circle.
Full Load Current = Watts (1 )Voltage
Full Load Current = Watts (3 )1.732 x Voltage
Volts = Amps x ResistanceWatts = Volts x Amps
WATER SIDE - Chillers,Condensers
BTUH = 500 x GPM x T BTUH 500 x GPM
GALLON of WATER = 8.33 lbs.8.33 lbs/GAL x 60 = 500 lbs/hrDENSITY = 62.4 lbs/cubic ft
GPM x Ft. Water Pump Eff. x 3960
Approx. Weights of Refrigerant in CU lines - lbs/100 Lineal Feet
Line Size Refrigerant Suction Liquid Line Size Refrigerant Suction LiquidO.D. in. Line Line O.D. in. Line Line
R-12 0.06 4.30 R-12 0.63 45.90
R414B 0.06 3.40 R414B 0.50 36.703/8 R22 0.08 3.901 1/8 R22 0.87 41.60
R417A 0.08 3.80 R417A 0.85 40.77
R12 0.11 8.10 R12 0.96 69.90
R414B 0.09 6.50 R414B 0.77 55.901/2 R22 0.15 7.401 3/8 R22 1.33 63.50
R414A 0.15 7.25 R414A 1.30 62.23
R12 0.19 12.90 R12 1.36 99.00
R414B 0.15 10.30 R414B 1.10 79.205/8 R22 0.25 11.801 5/8 R22 1.88 90.00
R417A 0.25 11.56 R417A 1.84 88.20
R12 0.37 26.90 R12 2.40 172.00
R414B 0.30 21.50 R414B 1.89 137.607/8 R22 0.51 24.402 1/8 R22 3.26 156.00
R417A 0.50 23.91 R417A 3.19 152.88
(Does not apply to residential appliances)Air Cooled condensing unitINDOOR - NO FAN CYCLING - per HP Hot Shot - Two (2) pounds NU-22 - Three (3) pounds Plus the liquid line weight
OUTDOOR - FLOODED CONDENSER - per HP Hot Shot - Four (4) pounds NU-22 - Five (5) pounds Plus the liquid line weight
OUTDOOR FAN CYCLING - per HP Hot Shot - Three (3) pounds NU-22 - Four (4) pounds Plus the liquid line weight
WATER COOLED CONDENSING UNIT - per HP Hot Shot - One (1) pound NU-22 - Two (2) pounds Plus the liquid line weight
* NU-22 RESIDENTIAL A/C APPLICATIONSUSE A 1 / 1 CHARGING RATIO
AIR COILS - In BTUH
Qsensible = 1.08 x CFM x TQlatent = 0.68 x CFM x SH Qtotal = 4.5 x CFM x H
Q = Heat Flow in BTUHSH = Specific Humidity
(grains of moisture)H = Enthalpy
Always unload the cylinder in liquid phase. Dont clear the sightglass. As temperatureapproaches design, verify superheat, adjust charge if necessary to optimize performance.
W IR E
E2R
E2W
WI2
12 x R
E x 1
1 x R
W x R
E R W
E
WI
EI
W R
ICOR International Coil Temperature ChartHOT SHOT and NU-22
Evaporator CondensingDesign
Temp. F -40 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 46
NU-22 PSIG 0.2 0.5 1.0 1.8 2.5 3.4 4 5 6 7 8 9
10 11 12 14 15 16 18 19 20 22 24 25
Hot Shot PSIG
1 0.5 0.2 0.1 0
0.5 1 2 3 4 5 6 7 8 9
10 11 12
Hot Shot PSIG 131415161718192224 252628303234363840424446485052
Design Temp. F
8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54
NU-22 PSIG 27 28 30 32 34 36 38 40 42 44 46 48 51 53 55 58 61 63 66 69 72 75 78 81
NU-22PSIG 151 156 161 166 171 176 182 187 193 198 204 210 216
Hot ShotPSIG 106 110 112 116 121 126 131 136 141 145 149 154 159
DesignTemp. F
116 118 120 122 124 126 128 130 132 134 136 138 140
NU-22PSIG 222 228 234 241248254261 267 275 282 289 317 305
Hot ShotPSIG 164 169 174 180 184 190 196 200 204 210 216 222 227
Design Temp. F
90 92 94 96 98
100 102 104 106 108 110 112 114
KILOWATT
T =
CHARGING TIPS-REFRIGERATION APPLICATIONS
Pump HP=
Pressure Temp Chart-'01 10/31/01 2:54 PM Page 1
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EVAPORATOR
SUCTION
COMPRESSOR
CHECK SUCTIONPRESSURE
DISCHARGE
LIQUID
CONDENSER
CHECK LIQUIDPRESSURE(always use bubblepoint for conversion)CHECK LIQUIDTEMPERATURE
(always use dew point for conversion)Check at evap. ifpossible, add for suctionline pressure drop iftaken at compressor.CHECK SUCTIONTEMPERATURE
SUCTION TEMPERATURE -- EVAPORATOR TEMPERATURE = SUPERHEATCONDENSING TEMPERATURE -- LIQUID TEMPERATURE = SUBCOOLING
SUPERHEAT
SUBCOOLING
Temperature F -40 -38 -36 -34 -32 -30 -28 -26 -24 -22 -20 -18 -16 -14 -12 -10 -8 -6 -4 -20 2 4 6 8
10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98
100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140
R-417A BUBBLE POINT
1.21 1.99 2.80 3.64 4.51 5.47 6.35 7.32 8.33 9.37
10.25 11.57 12.73 13.92 15.16 16.44 17.76 19.13 20.54 22.00 23.50 25.06 26.66 28.31 30.01 31.76 33.57 35.41 37.35 39.32 41.35 43.43 45.58 47.89 56.76 54.95 54.77 57.25 59.78 62.37 65.04 67.77 70.57 73.45 76.40 79.40 85.52 88.9592.29 95.67 99.16
102.74 106.40 110.13 113.96 117.88 121.89 125.99 30.18
134.46 138.83 143.30 147.88 152.54 157.30 162.16 167.13 172.17 177.33 182.60 187.98 193.40 199.05 204.75 210.56 216.48 222.50 228.65 234.91 241.29 247.79 254.40 261.14 267.99 274.97 282.07 289.29 296.64 304.12 311.73
R-417A DEW POINT
4.17 2.871.470.020.73 1.54 2.34 3.18 4.05 4.99 5.93 6.90 7.92 8.97
10.09 11.22 12.39 13.61 14.91 16.25 17.55 18.95 20.39 21.92 23.46 25.05 26.70 28.43 30.19 31.99 33.86 35.28 37.83 39.88 41.99 44.16 46.43 48.73 51.10 53.54 56.05 58.68 61.33 64.05 66.86 69.77 72.72 75.76 78.88 82.08 85.3688.73 92.18 95.72 99.34
103.06 106.87 110.78 114.78 118.81 123.00 110.70 131.59 136.00 140.67 145.37 150.18 155.10 159.93 165.06 170.30 175.66 80.82
186.40 192.10 197.91 203.85 209.37 215.29 221.33 227.49 234.36 240.75 247.25 253.87 260.61 268.07 275.04 282.12 289.32 297.32
R-22
0.56 1.37 2.2
3.08 3.98 4.92 5.9
6.92 7.97 9.07
10.21 11.38 12.61 13.8715.19 16.53 17.93 19.38 20.38 22.48 24.03 25.68 27.39 29.15 30.96 32.84 34.7736.76 38.81 40.92 43.09 45.53 47.64 50.01 52.44 54.98 57.53 60.17 62.89 65.6968.5671.5
74.52 77.62 79.33 84.06 87.4 90.8 94.3 97.9
116.3 105.4 109.3 113.2 117.3 121.4 125.7 130.0 134.5 139.0 143.6 148.4 153.2 158.2 163.2 168.4 73.7
179.1 184.6 190.2 195.9 201.8 207.7 213.8 220
226.4 232.8 239.4 246.1 253 260
267.1 274.3 281.7 289.2 296.9 304.7 312..6 320.7 329
337.4
R-414B BUBBLE POINT
0.71 1.47 2.28 3.1
3.96 4.85 5.78 6.79 7.73 8.76 9.83
10.93 12.07 13.34 14.46 15.72 17.0218.3
19.75 21.18 23.65 24.17 25.78 27.35 29.01 30.72 32.4934.3
36.16 38.08 40.06 42.08 44.17 46.31 48.51 50.77 53.08 55.4657.9
60.41 62.98 65.6168.3171.07 73.91 76.81 79.78 82.82 85.9 89.1 92.4 95.7 99.1
102.6 106.2 109.8 113.6 117.4 121.3 125.3 129.3 133.5 137.7 142
146.4 150.9 155.5 160.2 165
169.9 174.8 179.9 185
190.3 195.7 201.1 206.7 212.4 218.1 224 230
236.1 242.3 248.6 255
R-414B DEW POINT
8.617.436.214.933.582.180.730.381.15 1.95 2.79 3.65 4.55 5.49 6.45 7.46 8.5
9.53 10.69 11.85 13.05 14.29 15.57 16.89 18.26 19.67 21.13 22.64 24.19 25.79 27.45 29.15 30.91 32.72 34.58 36.5
38.48 40.51 42.6
44.76 46.97 49.24 51.58 53.98 56.45 58.98 61.58 64.25 66.99 69.8
72.68 75.64 78.67 81.77 84.96 88.2 91.6 95
98.5 102.9 105.7 109.5 113.3 117.3 121.3 124.4 129.6 133.9 138.3 142.8 147.4 152.1 156.9 161.8 166.8 171.9 177.1 182.4 187.8 193.4 199
204.8 210.7 216.7 222.8
R-12
0.54 1.27 2.03 2.81 3.62 4.46 5.33 6.23 7.16 8.12 9.11
10.14 11.2
12.29 13.42 14.59 15.79 17.02 18.31 19.63 20.98 22.38 23.82 25.3
26.82 28.38 29.99 31.65 33.35 35.1
36.89 38.73 40.6242.57 44.56 46.6 48.7
50.85 53.05 55.31 57.62 59.99 62.42 64.91 67.45 70.06 72.72 75.45 78.24 81.09 84.01
87 90
93.2 96.3 99.6
102.9 106.3 109.8 113.3 116.9 120.6 124.4 128.2 132.1 136.1 140.2 144.3 148.6 152.9 157.3 161.8 166.3 171
175.7 180.5 185.5 190.5 195.6 200.8 206
R-134a
0.4 0.35 1.12 1.93 2.77 3.64 4.55 5.49 6.47 7.49 8.54 9.63
10.26 11.93 13.14 14.4
15.69 17.04 18.42 19.86 21.34 22.87 24.45 26.08 27.77 29.5
31.29 33.14 35.04
37 39.02 41.1
43.23 45.43 47.7
50.02 52.42 54.88 57.41
60 62.67 65.41 68.22 71.1
74.07 76.38 80.22 83.41 86.7 90
93.5 97
100.6 104.3 108.1 112
115.9 120
124.2 128.4 132.7 137.2 141.7 146.4 151.1 156
160.9 166
171.2 176.4 181.8 187.3 193
198.7 204.6 210.5 216.6 222.9 229.2
R-500
0.17 0.91 1.64 2.48 3.31 4.17 5.06 5.99 6.95 7.94 8.97
10.03 12.26 13.44 14.65 14.65
105.91 17.2
18.54 20.1
21.34 22.81 24.32 25.85 27.48 29.13 30.83 32.59 34.39 36.24 38.15 40.11 42.12 44.19 46.32 48.5
50.74 53.04 55.4
57.83 60.31 62.86 65.47 68.15 70.9
73.71 76.59 79.54 82.56 85.7 88.8 91.7 95.4 98.8
102.2 105.8 109.4 113.1 116.9 120.7 124.7 128.7 132.9 137.1 141.4 145.7 150.2 154.8 159.4 164.2 169.1 174 179
184.2 189.4 194.8 200.2 205.8 211.4 217.2 223.1 229.1 235.2 241.4 247.7
Saturation Chart - PSIG vs TemperatureTemperature - F Refrigerant - PSIG
Bold Italics = IN. HgFor 5000 ft. elevation
PSIG + 2.3
Pressure Temp Chart-'01 10/31/01 2:54 PM Page 2
