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American Power Conversion AFX Series manual

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Table of contents for the manual

  • Page 1

    Precision Air-Conditioning Unit s—60 Hz TM Network AFX Series AIR T echnical Dat a ®[...]

  • Page 2

    APC NetworkAIR AFX Series: Contents i Contents Avai lable Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Downflow 1 Upfl ow f ront- retu rn 1 Upflow rear- return 1 Indoor r ear-discharge centrifuga l condenser 1 Indoor to p-discharge centr ifugal condense r 1 Overvi ew . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

  • Page 3

    ii APC NetworkAIR AFX Series: Contents Perfo rmance Spec ificatio ns . . . . . . . . . . . . . . . . . . . . . . . . . 17 Net cooling capacity—air/remote cond ensing 17 Net cooling capacity—water 18 Net cooling capacity—glycol 19 Perfo rmance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Air system 21 Coolant requ irem[...]

  • Page 4

    APC NetworkAIR AFX Series: Contents iii Upflow rear- return— 20 – 28 ton 47 Indoor r ear-discharge centrifuga l condenser — 6 – 8 ton 48 Indoor r ear-discharge centrifuga l condenser — 10 – 18 ton 49 Indoor r ear-discharge centrifuga l condenser — 20 – 28 ton 50 Indoor t op-discharge cen trifugal condens er — 6 – 8 ton 51 Indoor[...]

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    [...]

  • Page 6

    APC NetworkAIR AFX Series: Available Models 1 Ava il ab l e M od el s Downflow Upflow front-return Upflow rear-return Indoor rear-d ischarge centrifugal condens er Indoor top-discharge centrifugal condens er 6–8 ton 10–18 ton 20–2 8 ton 6–8 ton 10–18 t on 20–28 ton 6–8 ton 10–18 ton 20–2 8 ton 6–8 ton 10–18 to n 20–28 to n 6[...]

  • Page 7

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  • Page 8

    APC NetworkAIR AFX Series: Overview 3 Overview Introduction The APC AFX series precision ai r-conditioni ng system provides compac t, quie t, effi cient, and re liable system so lutions in the expanding p recision air - conditi oning market. The AF X series is of fered in a wide variety of capacities, c onfigurations, and air pat terns within an ex[...]

  • Page 9

    4 APC NetworkAIR AFX Series: Overview Configuration Air- cooled. Unit used wi th an air -cooled conde nser . Refrige rant lines must be run be tween the indoor unit and the condenser . Air cooled units require low maintenan ce and have low operat ing costs. Configurat ions are: • Air -cooled with remot e outdoor condense r . • Air -cooled with [...]

  • Page 10

    APC NetworkAIR AFX Series: Model Selection 5 Model Selection AF X – X X X – X – X – X X[...]

  • Page 11

    [...]

  • Page 12

    APC NetworkAIR AFX Series: Standar d Features 7 Standar d Featur es Micr opr ocessor contr oller The microprocessor con troller provides state of the art con trol for a wide variety of environment al applications including t he demanding req uirements of data centers, co ntrol rooms, clean rooms, switch rooms, M RI facilities, CA T scan faci lities[...]

  • Page 13

    8 APC NetworkAIR AFX Series: Standar d Features Configurat ion options incl ude: Common alarm cont act. A common alarm relay is installed on every microprocessor . In the event of an alarm condition, the relay will change state. The use r can select which alarms change the state of the relay . This feature a llows for remote enunc iation of ala rm [...]

  • Page 14

    APC NetworkAIR AFX Series: Standar d Features 9 Blower assembly The AFX series includ es multiple, centrifugal bl ower assemblies that have been engin eered for quiet, reliable operat ion. Lower blower speeds reduce noise and e xtend belt an d bearing li fe to 200,000L 10 hours. Permanently lubricated b earings, a single-belt v ariable pitch drive,[...]

  • Page 15

    10 APC NetworkAIR AFX Series: Standar d Features Each refrigeration sy stem includes: • Thermal ex pansion valve with equalizer • High and low p ressure switches • Sight glass wi th moisture indicator • Filter d rier • Liquid l ine solenoid valve Cooling coil The AF X utilizes du al distributo rs on one c ircuit of the re frigeration sy s[...]

  • Page 16

    APC NetworkAIR AFX Series: Standar d Features 11 Emer gency drain pan Systems are provide d with two drain pans. The primary st ainless steel condensa te drain pan lies d irectly under t he cooling coil . A secondary emer gency drain pan pr ovides additi onal protecti on by catchin g any water before i t reaches the subflo or and becomes a prob lem[...]

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  • Page 18

    APC NetworkAIR AFX Series: Optional Features 13 Optional Featur es The following op tional features are availabl e on the AFX Series unless otherwis e noted. Certa in combinations of o ptions may not be avai lable. Emer gency / envir onmental Smoke detect or(s). The fac tory install ed smoke detector(s ) is designed t o sense smoke concentration in[...]

  • Page 19

    14 APC NetworkAIR AFX Series: Optional Features Contr ol/monitoring Custom al arm dry contact c losures. E ach unit can be e quipped with a ny or all of t he listed dry contact closures. Upon activation o f the associated alarm, a discreet Norm ally Ope n or Normally Closed contact is available for remote monit oring of that discreet alarm. • Hig[...]

  • Page 20

    APC NetworkAIR AFX Series: Optional Features 15 Rehe at Hot water or steam re heat. An on/off solenoid valve for steam rehe at, or a modula ting valve for hot wat er reheat main tains the d ry bulb temp erature when the system i s in dehumidification and hea t mode. Completely factory pre-piped, the system inc ludes a copper tube, aluminum-fi n reh[...]

  • Page 21

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  • Page 22

    APC NetworkAIR AFX Series: Performance Sp ecifications 17 Performance Sp ecifications Net cooli ng capacity — air/r emo te condens ing MODEL CAPACITY IN BTU/H 6T 8T 10T 12T 14T 18 T 20T 26T 28T 80 ° F DB, 67 ° F WB T otal (BTUH) 78 ,100 11 1,000 132,800 147,200 158,000 226,900 267,300 296,800 329,600 (26.7 ° C DB, 19.4 ° C WB) (kW) (22.9) (32[...]

  • Page 23

    18 APC NetworkAIR AFX Series: Performance Sp ecifications Net cooli ng capacity — water MODEL CAPACITY IN BTU/H 6T 8T 10T 12T 14T 18T 20T 26T 28T 80 ° F D B, 67 ° F WB T otal (BTUH) 85, 500 121,000 144,600 160,700 171,300 246,200 298,500 340,000 361,500 (26.7 ° C DB, 19.4 ° C WB) (kW) (25.0) (35.4) (42.3) (47 .1) (50. 2) (72.1) (87. 4) ( 9 9.[...]

  • Page 24

    APC NetworkAIR AFX Series: Performance Sp ecifications 19 Net coolin g capacity — glycol MODEL CAPACITY IN BTU/H 6T 8T 10T 12T 14T 18T 20T 26T 28T 80 ° F DB, 67 ° F W B T otal (BT UH) 77,700 110,700 130,200 145,800 155,300 225,100 270, 000 296,4 00 328,700 (26.7 ° C DB, 19.4 ° C WB) ( kW) (22.8) (32.4) (38.1) (42.7) (45. 5) (65.9) ( 79.1) (86[...]

  • Page 25

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  • Page 26

    APC NetworkAIR AFX Series: Performance Data 2 1 Performance Data Air system AIR/W A TER/ GL YCOL/RC MODEL 6T 8T 10T 12T 14T 18T 20T 26T 28T Air V ol ume (CFM) 4,200 4, 400 7,000 7,200 8,400 8,800 12,600 13,200 14,200 (L/s) (1,9 82) (2,077) (3,304) (3,398) (3,965) (4,154) (5,9 47) (6,230) (6,702) Fan Mot or HP (qty) 3 ( 1) 3 (1) 3 (2) 3 (2) 3 ( 2) 3[...]

  • Page 27

    22 APC NetworkAIR AFX Series: Performance Data Water regulating valv e – 2-Way /3-Way, s ingle seated W A TER/ GL YCO L MODEL 6T 8T 10T 12T 14T 18T 20T 26T 28T Size (inche s - NPT) 1-1/4 1-1 /4 3/4 (2) 3/4 (2) 1 (2) 1-1/4 (2) 1-1/ 4 (2) 1-1/2 (2) 1-1/2 ( 2) Cv 14 14 20 20 28 28 40 40 40 *2-Way/3-Way Single Seated, 150 psig W.W.P. max Humidificati[...]

  • Page 28

    APC NetworkAIR AFX Series: Performance Data 2 3 Electric Rehe at AIR/W A TER/ GL YCO L/RC MODEL 6T 8T 10T 12T 14T 18 T 20 T 26T 28T MBH total (includes motor heat) 28.4 28. 4 56.8 56. 8 56.8 56.8 85.1 85.1 8 5.1 (kW) (8.3) (8.3) (16.6) (16.6) (16.6) (16.6) (24.9) (24.9) (24.9) Stages 1 1 2 2 2 2 2 2 2 *With equal lo ading on each phase, r ated at 2[...]

  • Page 29

    24 APC NetworkAIR AFX Series: Performance Data Physical data AIR MODEL 6T 8T 10T 12T 14T 18T 20T 26T 28T Height (inches) 76 76 76 76 76 76 76 76 76 (mm) (1930) (1930) ( 1930) (1 930) (1930) (1930) (1930) (1930) (1930) Length (inches) 34.38 34.38 66.35 66.35 66.35 66.35 98.32 98.32 98.32 (mm) (873.25) (873.25) (1685.29) (1685.29) (1685.29) (1685.29)[...]

  • Page 30

    APC NetworkAIR AFX Series: Electrical Data 25 Electrical Data Electric Reheat — 6 – 14 ton HUMIDIFIER Electric Ste a m or N o ne V O LTA G E 208 230 460 575 208 230 460 575 6T FLA Air 42.4 42.4 21. 1 17.5 41.6 42.4 21.1 17.5 W ater 40.1 40.1 20.0 16.5 39.3 40.1 20.0 16.5 Glycol 43.9 4 3.9 21.9 18.1 43.1 43.9 21.9 18.1 Remote Condens ing 40.8 4 [...]

  • Page 31

    26 APC NetworkAIR AFX Series: Electrical Data Elect ric R eheat — 18 – 28 ton HUMIDIFIER Electric Ste a m or N o n e VOL T AGE 208 230 460 575 208 230 460 575 18T FLA Air 85.7 82.5 41.1 32.9 74.5 76.1 37.9 3 1.5 W ater 79.3 76.1 37. 9 30.3 71.3 72.9 36.3 30.2 Glycol 89.9 86.7 44. 1 34.5 76.6 78.2 39.4 32.3 Remote Condensing 65.2 65 .2 32.6 27.4[...]

  • Page 32

    APC NetworkAIR AFX Series: Electrical Data 27 Steam/hot water/or no-reheat — 6 – 14 t on HUMIDIFIER El ectr ic St e a m o r N o n e V O LTA G E 208 230 460 575 208 230 460 575 6T FLA Air 42.4 40.0 19.9 16.0 26.0 2 5.2 12.5 10. 0 W ater 40.1 37.7 18.8 15.0 23.7 22.9 1 1.4 9.0 Glycol 43.9 41.5 20.7 16.6 27.5 26.7 13.3 10.6 Remote Condensing 25.2 [...]

  • Page 33

    28 APC NetworkAIR AFX Series: Electrical Data Steam/h ot water/or no-rehea t — 18 – 28 to n HUMIDIFIER Electric Ste a m or N o ne V O LTA G E 208 23 0 46 0 575 208 230 460 575 18T FLA Air 85.7 82. 5 41.1 32.9 69.3 67.7 33 .7 26.9 W ater 79.3 76.1 37.9 30.3 62.9 61.3 30.5 24.3 Glycol 89.9 86.7 44. 1 34.5 73.5 71. 9 36.7 28.5 Remote Condensing 34[...]

  • Page 34

    APC NetworkAIR AFX Series: Electrical Data 29 Indoor centrifugal condenser units VO L T A G E 208 230 460 575 6T FLA 8.6 8.4 4.2 3.6 WSA/MCA 10.8 10.5 5.3 4.5 MOP 1 5.0 15.0 15.0 1 5.0 8T FLA 8.6 8.4 4.2 3.6 WSA/MCA 10.8 10.5 5.3 4.5 MOP 1 5.0 15.0 15.0 1 5.0 10T FLA 1 7.2 16.8 8.4 7.2 WSA/MCA 19.4 18.9 9.5 8.1 MOP 2 5.0 25.0 15.0 1 5.0 12T FLA 1 7[...]

  • Page 35

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  • Page 36

    APC NetworkAIR AFX Series: Guide Specifications 31 Guide Spec ifications Gener al Summary . The environmental control system shall be d esigned specifically for precision te m perature and humidity control ap plications. It will autom atically mo nitor an d contro l heating, co oling, hu midifyin g, dehumidi fying, and filtering f unctions for the [...]

  • Page 37

    32 APC NetworkAIR AFX Series: Guide Specifications clearly define d prompts shall allow the operat or to easily move about the program and monitor the fol lowing functi ons and alarm condi tions. • St a t u s : Complete status mon itoring shall be pr ovided within the status menu of the microprocessor controller , and shall include the following [...]

  • Page 38

    APC NetworkAIR AFX Series: Guide Specifications 33 double-i nlet centrif ugal type, wi th forward-curvi ng blades, dynami cally and statically b alanced. Each blower sha ll be independently dri ven by a high- ef ficiency motor . The drive package shal l be designed for 200 % of the fan motor hor sepower . Mini mum bearing life shall be 200,000 L 10[...]

  • Page 39

    34 APC NetworkAIR AFX Series: Guide Specifications Individual systems Air -c ooled s ystem . Th e air c ooled system shall consist of an evaporator section inc luding evaporator coil , blower package(s), control s and electrical section and co mpressor(s). The condenser section shall be as follows: • Outdoor pr opeller fan co ndenser: The ou tdoo[...]

  • Page 40

    APC NetworkAIR AFX Series: Guide Specifications 35 W ater -and glycol-co oled systems. The water/ glycol-cooled syst ems shall consist of a n evaporator section includ ing evaporator coil, b lower package(s), contro ls and el ectrical section, compressor(s), and a water/glycol-cooled condenser section. The condenser shal l be stainless steel brazed[...]

  • Page 41

    36 APC NetworkAIR AFX Series: Guide Specifications Options Smoke detector (s). Smoke de tector(s) shall be factory-in stalled in the return air to sens e concentrations of smoke and send a signal to the microprocessor t o shut down the un it and activa te a visual and audible alarm. Fir estat. A firestat shall be factory-installed in the retu r n a[...]

  • Page 42

    APC NetworkAIR AFX Series: Guide Specifications 37 Mon itori ng syst em. The PC-based S upervisor System shal l be shipped loose for single-terminal monitoring and co ntrol of up t o 120 units. The program shal l be run thr ough W indows ® and sh all have status screen s for individua l unit condi tions, mode of op eration and ala rms. The System [...]

  • Page 43

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  • Page 44

    APC NetworkAIR AFX Series: Dimensional Data 39 Dimensional Data Downflow — 6 – 8 ton *All dime nsions in inches (mm)[...]

  • Page 45

    40 APC NetworkAIR AFX Series: Dimensional Data Downflow — 10 – 18 ton *All dime nsions in inches (mm)[...]

  • Page 46

    APC NetworkAIR AFX Series: Dimensional Data 41 Downflow — 20 – 28 ton *All dime nsions in inches (mm)[...]

  • Page 47

    42 APC NetworkAIR AFX Series: Dimensional Data Upflow front-return — 6 – 8 to n *All dime nsions in inches (mm)[...]

  • Page 48

    APC NetworkAIR AFX Series: Dimensional Data 43 Upflow front-return — 10 – 18 ton *All dime nsions in inches (mm)[...]

  • Page 49

    44 APC NetworkAIR AFX Series: Dimensional Data Upflow front-return — 20 – 28 ton *All dime nsions in inches (mm)[...]

  • Page 50

    APC NetworkAIR AFX Series: Dimensional Data 45 Upflow rear-return — 6 – 8 t on *All dime nsions in inches (mm)[...]

  • Page 51

    46 APC NetworkAIR AFX Series: Dimensional Data Upflow rear-return — 10 – 18 to n *All dime nsions in inches (mm)[...]

  • Page 52

    APC NetworkAIR AFX Series: Dimensional Data 47 Upflow rear-return — 20 – 28 to n *All dime nsions in inches (mm)[...]

  • Page 53

    48 APC NetworkAIR AFX Series: Dimensional Data Indoor rear-discharge centrifugal condenser — 6 – 8 ton *All dime nsions in inches (mm)[...]

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    APC NetworkAIR AFX Series: Dimensional Data 49 Indoor rear-discharge centrifugal condenser — 10 – 18 ton *All dime nsions in inches (mm)[...]

  • Page 55

    50 APC NetworkAIR AFX Series: Dimensional Data Indoor rear-discharge centrifugal condenser — 20 – 28 ton *All dime nsions in inches (mm)[...]

  • Page 56

    APC NetworkAIR AFX Series: Dimensional Data 51 Indoor top-discharge centrifugal condens er — 6 – 8 ton *All dime nsions in inches (mm)[...]

  • Page 57

    52 APC NetworkAIR AFX Series: Dimensional Data Indoor top-discharge centrifug al condenser — 10 – 18 ton *All dime nsions in inches (mm)[...]

  • Page 58

    APC NetworkAIR AFX Series: Dimensional Data 53 Indoor top-discharge centrifugal condens er — 20 – 28 ton *All dime nsions in inches (mm)[...]

  • Page 59

    [...]

  • Page 60

    APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dryc oolers 55 Air -Cooled Conden sers and Drycoolers Key to th e model nu mber AF – X X X – XX – X X X – X X X[...]

  • Page 61

    56 APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dry coolers Air-cooled condenser — ph ysical data MODEL TE M P . AIR QUANTITY FAN CONNECTION WE IG H T TONNAGE AMBIENT CF M L/s QUANTITY HOT GAS LI QUID Lbs Kg 6 ton 95 ° F 6,450 3044 1 1-1/ 8" 7/8" 260 118 105 ° F 6,45 0 3044 1 1-1/ 8" 7/8" 260 1 18 115 ° F 10,100 47[...]

  • Page 62

    APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dryc oolers 57 Air-cooled conden ser — ele ctrical da ta MODEL TE M P . 208-230/1/ 60 208-230/3/60 460/3/60 5 75/3/60 TONNAGE AMBIENT FLA MCA MOP FLA MCA MOP FL A MCA MOP FLA MCA MOP 6 ton 95 ° F 4.8 10.8 20 N/A N/A N/A 2.4 5.4 15 2.0 4.5 15 105 ° F 4.8 10.8 20 N/A N/A N/A 2.4 5.4 15 2.0 4.5[...]

  • Page 63

    58 APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dry coolers Single- fan air-cooled condense r — 6 ton APC UNIT TEMP FA N Q T Y A B 6 ton 95 ° F (35 ° C) 1 49.75 (1264) 40.00 (1016) 6 ton 105 ° F (41 ° C) 1 49.75 (1264) 40.00 (1016) *All dimensi ons in inche s (mm)[...]

  • Page 64

    APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dryc oolers 59 Dual- fan air-cooled con denser — 6 – 14 ton APC UNIT TEMP F AN QTY A B 6 ton 11 5 ° F (46 ° C) 2 69.75 (1772) 60.00 (1524) 8 ton 95 ° F (35 ° C) 2 69.75 (1772) 60.00 (1524) 8 ton 105 ° F (41 ° C) 2 69.75 (1772) 60.00 (1524) 8 ton 11 5 ° F (46 ° C) 2 69.75 (1772) 60.00[...]

  • Page 65

    60 APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dry coolers Triple-f an air-coole d condenser — 14 – 20 ton APC UNIT TEMP F AN QTY A B 14 ton 11 5 ° F (46 ° C) 3 129.75 (3296) 120.00 (3048) 18 ton 95 ° F (35 ° C) 3 129.75 (3296) 120.00 (3048) 18 ton 105 ° F (41 ° C) 3 129.75 (3296) 120.00 (3048) 18 ton 11 5 ° F (46 ° C) 3 129.7[...]

  • Page 66

    APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dryc oolers 61 Dual- fan air-cooled con denser — 20 – 26 ton APC UNIT TEMP F AN QTY 20 ton 11 5 ° F (46 ° C) 2 26 ton 95 ° F (35 ° C) 2 26 ton 10 5 ° F (41 ° C) 2 *All dim ensions in inch es (mm)[...]

  • Page 67

    62 APC NetworkAIR AFX Series: Air-Cooled Co ndensers and Dry coolers Triple-f an air-coole d condenser — 26 – 28 ton APC UNIT TEM P FA N Q T Y 26 ton 11 5 ° F (46 ° C) 3 28 ton 95 ° F (35 ° C) 3 28 ton 105 ° F (41 ° C) 3 28 ton 11 5 ° F (46 ° C) 3 *All dimension s in inches (mm)[...]

  • Page 68

    APC NetworkAIR AFX Series: Drycooler 63 Dr ycooler Glycol cooled dry cooler — phy sical d ata MODEL TE M P . AIR QUANTITY FAN CONNECTION W EI GHT GLYCOL V OLUME TONNAGE AMBIENT CF M L/s QUANTITY HOT GAS LIQUI D Lbs Kg Gal L 6 ton 95 ° F 10,100 4766 2 1-3/8" 1-3/8" 450 204 4.9 18.1 8 ton 95 ° F 12,900 6088 2 1-3/8" 1-3/8" 530[...]

  • Page 69

    64 APC NetworkAIR AFX Series: Drycooler Dual- fan fluid coo ler — 6 – 8 ton APC UNIT TEMP F AN QT Y A B 6 ton 95 ° F (35 ° C) 2 69.5 (1765) 60.00 (1524) 8 ton 95 ° F (35 ° C) 2 69.7 5 (1772) 80.0 0 (2032) *All dimension s in inches (mm)[...]

  • Page 70

    APC NetworkAIR AFX Series: Drycooler 65 Triple-fan fluid cooler — 10 – 12 ton APC UNIT TEM P F AN QTY A B 10 ton 95 ° F (35 ° C) 3 129.75 (3296) 120.00 (3048) 12 ton 95 ° F (35 ° C) 3 129.75 (3296) 120.00 (3048) *All dim ensions in inches (m m)[...]

  • Page 71

    66 APC NetworkAIR AFX Series: Drycooler Dual- fan fluid coo ler — 14 – 18 ton APC UNIT TEM P F AN QTY 14 ton 95 ° F (35 ° C) 2 18 ton 95 ° F (35 ° C) 2 *All dim ensions in inches (m m)[...]

  • Page 72

    APC NetworkAIR AFX Series: Drycooler 67 Triple-fan fluid cooler — 20 – 28 ton APC UNIT TEMP F AN QTY 20 ton 95 ° F (35 ° C) 3 26 ton 95 ° F (35 ° C) 3 28 ton 95 ° F (35 ° C) 3 *All di mensions i n inches (mm)[...]

  • Page 73

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  • Page 74

    APC NetworkAIR AFX Seri es: Pump S pecifications 69 Pump Specific ations Pump perform ance Pum p electr ical dat a HP (kW) 1/2" (.37) 3/4" (.56) 1" (.75 ) 1 .5" ( 1.1) 2" (1.5) VOL T A GE FLA MCA FLA MCA FLA MCA FLA MCA FLA MCA 208/1/60 5.4 6.8 7.6 9.5 8.8 11.0 11.0 13.8 13.2 16.5 230/1/60 4.9 6.1 6.9 8.6 8.0 10.0 10.0 12.5[...]

  • Page 75

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  • Page 76

    APC NetworkAIR AFX Series: Guidelines for Inst allation 71 Guidelines for Ins tallation The AFX series provides reliable, accurate temperature and humidi ty control of computer rooms, laboratories, and other environment s that require close tolerance control. The unit incorporates t he latest system desi gn innovations to provide yo u with optimum [...]

  • Page 77

    72 APC NetworkAIR AFX Series: Guidelines for Inst allation V erify that all parts ordered were received as specifi ed and that the unit is the correct size and voltage necessary t o fulfill your environmen tal control needs. Repo rt any damage discover ed to the freight car rier . If necessar y , contact the APC field ser vice department for help i[...]

  • Page 78

    APC NetworkAIR AFX Series: Guidelines for Inst allation 73 7. W ater supplies wi th high condu ctivity (abo ve 700 µΩ ) must be precon- ditioned for proper oper ation and long evity of the h umidifier . Wa t e r s u p p l y A 16- to 20-mesh strainer must be installed i n the water su pply to the water and gly col units to prevent clogg ing of br[...]

  • Page 79

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    75 APC W o rldwide Customer Suppor t Custom er supp ort for thi s or an y other A PC produ ct is ava ilable at no charg e in any of the fol lowing w ays: • V isit the APC W eb site to find answers to fr equently asked questions (F AQs), to access docu ments in the APC Knowle dge Base , and to su bmit cus tomer su pport re quests. – www .apc.co [...]