User guide

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Corporate Office: 724.584.5500  Instant Access 24/7 (Parts and Service): 800.458.1960  Parts and Service: 814.437.6861
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flowratemustchangeatarateofnogreaterthan10%perminuteinordertomaintainan
acceptableleveloftemperaturecontrol.Thisisapracticalamountofwaterwhichtypically
buffersfluctuationsintheprocessenoughthatthechillerwillgenerallyseefairlygradualrates
ofchange
intheinletwatertemperatureandwillbeabletoaccuratelyloadorunloadthe
compressor(s)whichinturnwillallowforveryconsistentandstablesupplytemperaturestothe
process.Useasystemvolumeof6to10gallonsofcoolantperton(6.4to10.8LperkW)if
the
flowratechangesmorerapidlythan10%perminute.Ifthechillerseesanetrateofchange
greaterthan10%perminuteitmayresultintemporarysupplytemperaturefluctuations
greaterthan1°F(0.5°C).
Table 2 – Chiller Flow Rate Limitations
ChillerModel
MinimumFlow NominalFlow MaximumFlow
gpm(lpm) psi(kPA) gpm(lpm) psi(kPA) gpm(lpm) psi(kPA)
EP2A‐04 4.9 (18.5) 1.5(10.2) 9.7(36.7) 5.8(40) 19.6(74.2) 23.8(163.8)
EP2R‐04 4.9(18.5) 1.5(10.2) 9.7(36.7) 5.8(40) 19.6(74.2) 23.8(163.8)
EP2A‐05 5.9 (22.1) 1.9(13) 11(41.6) 6.6(45.5) 23.4(88.6) 29.7(204.4)
EP2R‐05 5.9(22.1) 1.9(13) 11(41.6) 6.6(45.5) 23.4(88.6) 29.7(204.4)
EP2A‐08 8.6 (32.4) 1.6(11.2) 16.8(63.6) 6.2 (42.7) 34.2(129.4) 25.7(176.9)
EP2R‐08 8.6(32.4) 1.6(11.2) 16.8(63.6) 6.2(42.7) 34.2(129.4) 25.7(176.9)
EP2A‐10 12.8(48.4) 2.7(18.3) 24(90.8) 9.3(64.1) 51.2(193.8) 42.4(292.4)
EP2R‐10 12.8(48.4) 2.7(18.3) 24(90.8) 9.3(64.1) 51.2(193.8) 42.4(292.4)
EP2A‐13 14.7(55.6) 2.4(16.5) 26.7(101.1) 7.9(54.5) 58.8(222.6) 38.4(264.4)
EP2A‐15 17.3(65.5) 2.1(14.7) 32.1(121.5) 7.4(51) 69.2(261.9) 34.2(235.9)
EP2R‐15 17.3(65.5) 2.1(14.7) 32.1(121.5) 7.4(51) 69.2(261.9) 17.3(65.5)
EP2A‐20 23(87.1) 2.5(17) 43.4(164.3) 8.8(60.7) 92(348.2) 39.5(272.5)
EP2R‐20 23(87.1) 2.5(17) 43.4(164.3) 8.8(60.7) 92(348.2) 23(87.1)
EP2A‐25 29.2(110.4) 1.9(13.3) 54.5(206.3) 6.7(46.2) 116.6(441.5) 30.8(212)
EP2R‐25 29.2(110.4) 1.9(13.3) 54.5(206.3) 6.7(46.2) 116.6(441.5) 30.8(212)
EP2A‐30 34.6(130.8) 2.2(15.4) 64.3(243.4) 7.7(53.1) 138.2(523.2) 35.7(245.7)
EP2R‐30 34.6(130.8) 2.2(15.4) 64.3(243.4) 7.7(53.1) 138.2(523.2) 35.7(245.7)
EP2A‐35 40(151.2) 1.9(13) 94.5(357.7) 10.6(73.1) 159.8(605) 30.2(208.2)
EP2R‐35 40(151.2) 1.9(13) 94.5(357.7) 10.6(73.1) 159.8(605) 30.2(208.2)
EP2A‐40 45.4(171.7) 2(14.1) 104.8(396.7) 10.9(75.2) 181.4(686.8) 32.6(225)
EP2R‐40 45.4(171.7) 2(14.1) 104.8(396.7) 10.9(75.2) 181.4(686.8) 32.6(225)
EP2W‐05 6.4(24) 2.2(15.3) 12.7(48.1) 8.7(60) 25.4(96.1) 35(240.8)
EP2W‐08 9.2(34.8) 1.9(12.8) 18.5(70) 7.5(51.7) 36.8(139.3) 29.7(204.8)
EP2W‐10 14(53) 3.2(21.9) 27.6(104.5) 12.3(84.8) 56(212) 50.8(349.8)
EP2W‐15 18.7(70.8) 2.5(17.2) 36.9(139.7) 9.7 (66.9) 74.8(283.1) 40(275.6)
EP2W‐20 25(94.6) 2.9(20.1) 50.3(190.4) 11.8(81.4) 100(378.5) 46.7(321.9)
EP2W‐25 31.5(119.2) 2.2(15.5) 62.8(237.7) 8.9(61.4) 126(476.9) 35.9(247.5)
EP2W‐30 37.2(140.8) 2.6(17.8) 74.3(281.3) 10.3(71) 148.8(563.2) 41.3(284.8)
EP2W‐35 42.7(161.6) 2.2(14.9) 86.3(326.7) 8.8(60.7) 170.8(646.5) 34.5(237.9)
EP2W‐40 47.6(180.2) 2.2(15.5) 95.8(362.6) 9.1(62.7) 190.4(720.7) 36(247.8)
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