Catalog: Air-cooled Screw chillers | |
| assembly the dunham-bush rotary screw compressor is a positive displacement ... and the discharge cavities simplified capacity control the slide valve mechanism for ... capacity modulation and part-load operation is ... is hydraulically actuated · package capacity reduction can be down to as low as 10 ... of slide valves away from their stops · capacity reduction is programmed by an exclusive ... control line operating benefits rotary screw compressor ... | |
| table 13a acdx-b model 048 058 068 098 108 118 128 138 148 158 178 188 198 208 ... applications liters 529 652 778 1039 1183 1315 1423 1540 1590 1691 1914 2017 ... 280 344 411 549 625 695 752 814 840 893 1012 1066 1177 1235 liters 1058 1304 1556 ... to to to to to gallons 466 574 685 915 1042 1158 1253 1356 1400 1489 1686 1776 1961 ... process cooling gal/ton 3 6 10 l/kw 3.25 6.5 10.8 gallons gal/ton x ... ari capacity in tons liters l/kw x ari capacity in kw for applications with other than ... based on the adjusted or corrected unit capacity tanks for system volume enhancement it ... | |
| one acdx-b can supply or where standby capacity is required or the load profile ... oversizing of chillers more than 5-10 is not recommended oversizing causes ... equipment running at or near minimum capacity hot gas bypass should not be a means to ... | |
| piping should be drained table 17a e.g 10 15 20 25 30 35 40 45 50 freeze point °f ... 0.0 -8.0 -17.5 -28.9 °c -3.2 -5.3 -7.9 -10.8 -14.1 -17.8 -25.8 -27.5 -33.8 ethylene ... glycol c1 capacity factor 0.995 0.991 0.988 0.984 0.981 0. ... 12.75 1.331 1.398 1.466 table 17b p.g 10 15 20 25 30 35 40 45 50 freeze point °f ... 6 -21.3 -27.0 -33.8 propylene glycol c2 capacity factor 0.988 0.984 0.978 0.970 0.962 0. ... | |
| chiller 1 2 3 4 5 6 7 required cooling capacity in tons or kwo cooler outlet water ... pressure drop gpm specified tons x 24 100 x 24 240 gpm cooling range 10 ... specifications we note that the acdx-b 108 standard length unit utilizes the ... head pressure control for an acdx-b 108 use the physical data table found on ... data found on page 39 for an acdx-b 108 standard length unit operating on 460 3 ... 229 unit maximum fuse size 300 8 9 10 any 2 out of 3 must be known example 1 ... chiller for the following conditions 100 tons at 54°f entering 44°f leaving ... divide the specified tonnage by the capacity correction factor from table 18a 100 ... tons 101.0 tons .99 for .0005 fouling factor ... required tonnage at 2000 feet by the capacity correction factor from table 18b 101.0 ... | |
| acdx-b 48 58 68 98 108 acdx-b model compressors model qty oil ... gal oil type oil lubrication capacity reduction crankcase heater watts/compr ... 4659/5417 20 400w 11 86 304 4 npt 17 101 407 4 npt 17 101 407 4 npt 4 6 8 1140 ... /5586 5809/6819 5902/6912 20 400w 17 101 407 4 npt 17 101 407 4 npt 17 101 407 ... 4929/5815 5063/5949 6071/6982 6205/7116 10 400w 30 140 428 5 vic 30 140 428 5 ... vic 46 159 443 6 vic 6 8 10 1140 1.5 1.45 20 0 -20 2 242 6454/7216 ... 7466 7400/8410 7650/8660 8714/9986 8964/10236 10 400w 46 159 443 6 vic 46 159 443 6 ... vic 46 159 443 6 vic 6 8 10 1140 1.5 1.45 20 0 -20 2 270 6971/7733 ... 8086 7917/8307 8270/8660 8611/9883 8964/10236 chso11601b chso13601b chso13601b ... english i.p units 98 11112 5.8 108 11111 11131 5.8 exd14102j09 ... | |
| gal oil type oil lubrication capacity reduction crankcase heater watts/compr ... pressure dunham-bush karlube #2 10 400w exd16122j09 46 191 536 6 vic ... 6 vic exd16122j11 46 159 443 6 vic 8 10 12 1140 1.5 1.45 20 0 -20 2 302 8045/ ... 9053 8430/9438 8759/10031 9144/10416 9313/10841 9698/11226 10 400w ... 6 vic exd18122j11 60 177 604 8 vic 8 10 12 1140 1.5 1.45 20 0 -20 2 317 8045- ... 9053 8430/9438 8759/10031 9144/10416 9313/10841 9698/11226 10 400w 46 236 ... vic 46 236 677 6 vic 60 177 604 8 vic 10 12 14 1140 1.5 1.45 20 0 -20 2 342 8759 ... /10031 9144/10416 9313/10841 9698/11226 8 400w 60 267 1030 8 vic 60 ... 267 1030 8 vic 68 183 604 10 vic 12 14 18 1140 1.5 1.45 20 0 -20 3 ... 12204/13994 8 400w ext18122j07 60 267 1030 8 vic ext18122j07 60 267 1030 8 vic ... | |
| gal oil type oil lubrication capacity reduction crankcase heater watts/compr ... pressure 8 400w ext18122j07 60 267 1030 8 vic ext18122j07 60 267 1030 8 vic ... ext20122j09 68 220 738 10 vic 12 14 18 1140 1.5 1.45 20 0 -20 2 ... 13404/15706 8 400w ext18122j07 60 267 1030 8 vic ext18122j07 60 267 1030 8 vic ... ext20122j09 68 220 738 10 vic 12 14 18 1140 1.5 1.45 20 0 -20 2 ... /15706 8 400w ext20122j07 68 298 881 10 vic ext20122j07 68 298 881 10 vic ... ext20122j07 68 298 881 10 vic 14 16 18 1140 1.5 1.45 20 0 -20 2 ... /15706 8 400w ext20122j07 68 298 881 10 vic ext20122j07 68 298 881 10 vic ... ext20122j07 68 298 881 10 vic 14 16 18 1140 1.5 1.45 20 0 -20 3 ... | |
| is 35°c minimum operating ambient is 10°c altitude is 600 meters cooler fouling ... fouling factor is 0.0176 which has a capacity and kw correction factor of 1.00 so no ... for 40 e.g consult table 17a for a capacity correction factor c1 and make the ... unit for water at sea level has a capacity of 240.9 kwo drawing 77.3 compressor ... k1 as metnioned above the unit will do capacity 240.9 x .99 x .973 232.05 kwo ... to -7°c and requirement is for 10°c no additional control is required step ... flow rate adjustment l/s 9.16 x 1.116 10.2 e.g l/s referring to page 25 for the ... procedure s.i units 60 hz table 23a capacity correction factor 1.00 .99 .98 .97 kw ... factor 1.00 1.01 1.02 1.03 table 23b capacity correction factor 1.000 .993 .981 .958 ... | |
| acdx-b 48 58 68 98 108 acdx-b model compressors model qty oil ... liters oil type oil lubrication capacity reduction crankcase heater watts/compr ... 20 400w chso11601b 41.6 5.43 19.18 101.6 npt chso11601b 41.6 5.43 19.18 101.6 ... npt chso13601a 64.3 5.12 13.90 101.6 npt n/a 4 6 1140 1.45 -6.7 -17.8 -28.9 ... /2425 2115/2459 20 400w 41.6 5.43 19.18 101.6 npt 64.3 6.37 25.68 101.6 npt 64.3 6.37 ... 25.68 101.6 vic 4 6 8 1140 1.45 -6.7 -17.8 -28.9 1 ... /3096 2680/3138 20 400w 64.3 6.47 25.68 101.6 npt 64.3 6.37 25.68 101.6 npt 64.3 6.37 ... 25.68 101.6 vic 4 6 8 1140 1.45 -6.7 -17.8 -28.9 1 ... 2238/2640 2299/2701 2756/3170 2817/3231 10 400w 113.6 8.83 27.00 127.0 vic ... 113.6 8.83 27.00 127.0 vic 174.1 10.03 27.95 152.4 vic 6 8 10 1140 1.45 -6.7 - ... 3360/3818 3473/3932 3956/4534 4070/4647 10 400w 174.1 10.03 27.95 152.4 vic ... | |
| liters oil type oil lubrication capacity reduction crankcase heater watts/compr ... -bush karlube #2 differential pressure 10 400w exd16122j09 174.1 12.05 33.82 152. ... 12.05 33.82 152.4 vic exd16122j11 174.1 10.03 27.95 152.4 vic 8 10 12 1140 1.45 -6.7 ... 3977/4554 4153/4728 4228/4922 4403/5097 10 400w 174.1 12.05 33.82 152.4 vic 174.1 ... 203.2 vic 227.1 11.17 38.11 203.2 vic 8 10 12 1140 1.45 -6.7 -17.8 -28.9 2 144 ... 3977/4554 4153/4728 4228/4922 4403/5097 10 400w 174.1 14.89 42.71 152.4 vic 174.1 ... 203.2 vic 227.1 11.17 38.11 203.2 vic 10 12 14 1140 1.45 -6.7 -17.8 -28.9 2 155 ... | |
| e the compressor capacity control shall be obtained by an ... slide valve to provide infinite capacity control f 2.10 the compressor shall ... have a standard two year warranty capacity control a an infinitely variable ... capacity control system that is capable of ... it shall be capable of a system capacity control range of 100 to at specified ... provide hot gas bypass to provide capacity control to approximately 50 of the ... shall include 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ... | |
| to keep the unit running but at reduced capacity until the fault is fixed battery ... real time clock and memory with over 10 years life and automatic recharge of ... | |
