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Emerson 2 manual

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Table of contents for the manual

  • Page 1

    Precision Cooling For Bu siness-Critical Con tinuit y Li eber t I ntel e Cool 2 ™ Us er Man ual - Out door W all-Mount Air C onditio ner ,1.5 - 5 T ons, 50 & 60 Hz[...]

  • Page 2

    [...]

  • Page 3

    i T ABLE OF CONTENTS 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 Standard Features . . . . . . . . . . [...]

  • Page 4

    ii 6.5 Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.5.1 Refrigerant Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.5.2 Discharge Pressure . . . . . . . . . . . . . . . . . .[...]

  • Page 5

    iii FIGURES Figure i Model number designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv Figure 1 Unit mounting dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Figure 2 Low volt wi ring terminals .[...]

  • Page 6

    iv Figure i Model number designation ET 0 36 H R P F B T External T elecommunication Nominal Btuhs (1000) H = Hermetic Compressor S = Scroll Compressor P = 208/230V – 1 ph - 60 hz S = 220/240 – 1 ph - 60 hz A = 460V – 3 ph - 60 hz Y = 208/230V – 3 ph - 60 hz N = 200/230 – 3 ph - 50 hz M = 380/415V – 3ph - 50 hz 0 = St andard F = Fixed O[...]

  • Page 7

    Introd uction 1 1.0 I NTRODUCTION 1.1 General The Liebert InteleCool ® 2 Environmental Control System was de si gned for convenience and dependa bil- ity in unmanned and remote locati ons typical of the tele communications industry. Ease of installation, operation and service cou pled with the use of high quality, high reliabi lity co mponents mak[...]

  • Page 8

    Introd uction 2 1.3 Optional Features 4 or 5 T on Unit With 3 T on Openings The 4 or 5 ton units with 3 ton supply and return opening s are designed to repl ace 3 ton wall mounted air conditione rs using existing wa ll openings. The ec onomizer/fresh air option is not availabl e. Return filter is located in the return air grille an d must be select[...]

  • Page 9

    Introd uction 3 1.3.1 Refrigeration System Options Low Pressure Switch and Low Pressure Byp ass Timer Low Pressure Switch: Used to protect the InteleCool2 if the evaporator blower fa ils, the air filter becomes clogged, the refrigeration circuit malf unctions or if ther e is loss of refrigerant. The low pres- sure switch is activated when the sucti[...]

  • Page 10

    Installation 4 2.0 I NST ALLATION 2.1 Prep aration 2.1.1 Room Prep aration The room should be well-insul ated and should be sealed to reduce airborne contam inants from pene - trating the site. Outside air may be introduced through the damper op tion or be used fo r economized cooling by using the Economizer option. How ever, unc ontrolled outside [...]

  • Page 11

    Installation 5 Figure 1 Unit mounting dimensions 2.3 Piping Connections The InteleCool2 is a self -contained, packaged uni t. All refrigerant piping connections are made at the factory, so no external condenser is required. The ev aporator coil con densate drain is factory-suppli ed and drains outdoors through the unit base pan. The condensat e dra[...]

  • Page 12

    Installation 6 2.4 Ducting Field-supplied ducting can be at tached to the unit duct connection once the unit has been mounted to the outside wall. The total external static pressure for the duct, including gril le, must not exceed the values shown in Table 5 and Table 6 . Indoor discharge air rates are also given in the same tables. 2.5 Electrical [...]

  • Page 13

    Installation 7 Figure 2 Low volt wiring terminals Liebert Thermost at See 2.5.2 - Control Connections for further information, refer to th e detailed instruct ions that ship with the thermostat. Dual Unit Control The InteleCool ® Dual Unit Control is designe d to control two InteleCools in a “lead/ lag” fashion. The control contains an electro[...]

  • Page 14

    Installation 8 2.6 Out side Air Damper - Optional Units supplied with fixed ( non-modulating) outdoor air damper can b e adjusted as follows: 1. Remove the screws from the middle panel and remove pa nel. 2. Loo sen the damper plate screws on the backside of the middle panel. 3. Adjust the damper plate to the desired position and tighten damper plat[...]

  • Page 15

    Checklist for Co mplete Installation 9 3.0 C HECKLIST FOR C OMPLETE I NST ALLATION ___ 1. Proper clearance for servic e access has been maintained. ___ 2. Equipment is level an d mounting fasteners are tight. ___ 3. Ducting comple ted, if required. ___ 4. Line voltage to powe r wiri ng matches equipment namep late. ___ 5. Power wiring connections c[...]

  • Page 16

    Start-Up Procedure 10 4.0 S TA R T -U P P ROCEDURE Verify that installa tion is complete by using the Checklist for Complete Installation . 1. Disconnect all power to the InteleCool2 unit. 2. Adjust remote control to prevent compressor, heat and fan operation. 3. Tu rn on main breaker an d check line vo ltage on main unit di sconnect switch. Line v[...]

  • Page 17

    Operation 11 5.0 O PERATION 5.1 Compressorized Cooling Compressorized cooling is provided by a high efficiency system co nsisting of a co mpressor, thermo- static expansion valve, evaporator, and condenser coil. The InteleCool2 uses R-22 refrigeran t in a conventional vapor-compre ssion refrigeration cycle. Heat is removed from the air in the space[...]

  • Page 18

    Operation 12 5.2 Economizer Cooling - Optional The Economizer mode uses o utside air to cool th e room when the outside air temperature is coo l enough to allow for econom ical cooling. Components include the damper, spring return direct drive actuator, enthalpy s ensor and actuator cont rol boar d with an integral mixed air sensor. Economizer oper[...]

  • Page 19

    Operation 13 5.4 Unit Controls 5.4.1 Remote Control Interface Control connections to the InteleCool2 unit use cust omary HVAC terminal desi gnations R , G, W & Y. Contact closures between the 24 VAC (R) and differ ent control connections supply control voltage to the electric panel components resp onsible for the desired function. Operating mod[...]

  • Page 20

    Operation 14 T -p ack1 p ackage Includes a low pressure switch, low pressure bypass timer (des cribed above) and fan cycle control. Fan Cycle Control —Condenser Fan Cycling Control; al lows the Inte leCool2 unit to provide cooling to the space when the outdoor ambient temperature is low er than 50°F (10 °C) and down to -20°F (-28.9°C). The co[...]

  • Page 21

    Maintenance 15 6.0 M AINTENANCE 6.1 Filters Replaceable evaporator ai r filter(s) are supplied with the un it. The filter( s) are easily serviceable from the outside, through th e top front access panel. Filters are usually the most neglected item in an environmental control system . To maintain efficient operation, they should be checked monthly a[...]

  • Page 22

    Maintenance 16 6.5.3 Thermost atic Expansion V alve The thermostatic expansion valve (T EV) keeps the evaporat or supplied with en ough refrigerant to satisfy load c onditions. It does no t turn the compressor on or off, but maintain s proper refrige rant super heat in the suction gas to the compressor. Determine TEV operat ion by measurin g superh[...]

  • Page 23

    Maintenance 17 Electrical Failure An electrical failure will be indicated by a distinct pungent odor. If a severe burnout has occurred, the oil will be black and acidic . If a burnout does occu r, correct the problem that caused the burnout and clean the system thoroughly using th e proper procedure. It is import ant to note that successive burn- o[...]

  • Page 24

    Maintenance 18 9. Connect a vacuum pump to both the high and low sides of the system through properly sized connections. Evacuate the system twice to 1500 microns, and the th ird time to 500 microns. Break the vacuum each time with dry nitrogen to 2 PSIG ( 13.8 kPa). 10. Charge the system with refrigerant. Refer to unit serial tag for refr igeran t[...]

  • Page 25

    Specifications 19 7.0 S PECIFICATIONS 7.1 Dimensional Dat a Figure 6 Dimensional dat a T able 5 InteleCool2 dimensional dat a in. (mm) Dimensional Data in. (mm) InteleCool Model Wu Ws Wf A B C D E F G H J K L 1.5/2 Ton 37-1/8 (943) 17-3/4 (451) 38-3/4 (984) 20 (508) 20 (508) 9-3/8 (238) 9-13/32 (239) 8 (203) 20-3/4 (527) 12 (305) 25-1/16 (638) 69-3[...]

  • Page 26

    Specifications 20 7.2 T echnical Data T able 6 T echnical dat a, 60 Hz Model ET018 ET024 ET036 Compressor type Hermetic Scroll Hermetic Scroll Hermetic Scroll Net capacity data based on 80°F (26.6°C) DB/67°F (19.4°C) WB indoor amb ient - BTUH (kW)* Outdoor ambient 85°F (29.4°C) Total 20700 (6.07) 20000 (5.86) 24800 (7.27) 23400 (6.86) 3 6100 [...]

  • Page 27

    Specifications 21 T able 7 T echnical dat a , 60 Hz, continued Model ET048, ET348 ET060, ET360 Compressor Type Scroll Scroll Net capacity data based on 80°F (26.6°C) DB/ 67°F (19.4°C) WB indoor ambient - BTUH (kW )* Outdoor ambient 85°F (29.4°C) Total 49 100 (14.39) 58500 (17.14) Sensible 39300 (11.51) 42800 (12.54 ) 95°F (35.0°C) Total 46 [...]

  • Page 28

    Specifications 22 T able 8 T echnical dat a, 50 Hz Model E T017 ET023 ET035 Compressor type Hermetic Scroll Hermetic Scroll Hermetic Scroll Net capacity data based on 26.6°C (80°F) DB/19. 4°C (67°F) WB indoor ambient - kW (BTUH)* Outdoor ambient 29.4°C (85°F) Total 5.19 (17700) 5.92 (20200) 6.21 (212 00) 6.62 (22 600) 8.97 (30600) 8.53 (29100[...]

  • Page 29

    Specifications 23 T able 9 T echnical dat a , 50 Hz, continued Model ET047, ET3 47 ET059, ET359 Compressor type Scroll Scroll Net capacity data based on 26.6°C (80°F) DB/ 19.4°C (67°F) WB indoor ambient - kW (BTUH)* Outdoor ambient 29.4°C (85°F) To t a l 12.22 (41 700) 14.97 (5 1100) Sensible 9.73 (33200) 10.78 (3680 0) 35.0°C (95°F) To t a[...]

  • Page 30

    Specifications 24 T able 10 Optional heater ca pacity , 60 Hz Nominal Heater Rating Heater Capacity - kW 1.5 Ton 2 Ton 3 Ton 4 Ton 5 Ton 5 kW Capacity @ 208V-1p h 3.756 3.756 3.756 3.756 3.756 Capacity @ 230V-1p h 4.592 4.592 4.592 4.592 4.592 Capacity @ 240V-1p h 5.000 5.000 5.000 5.000 5.000 Capacity @ 208V-3ph n/a 3.756 3.756 3.756 3.756 Capacit[...]

  • Page 31

    Specifications 25 T able 12 Electrical da ta, 60 Hz - amp s Model Volts Phase No Heat 5 kW Heat 10 kW Heat 15 kW Heat* Circ1 Circ2 FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD ET018H 208/230 1 13.4 15.8 25 23 .4 29.3 30 44.4 55.5 60 NA ET018S 208/23 0 1 14.5 17.2 25 23.4 29.3 30 44.4 55.5 60 NA ET024H 208/230 1 14.7 17.4 25 23 .4 29.[...]

  • Page 32

    Specifications 26 T able 13 Electrical dat a, 50 Hz - amps Model Volts Phase No Heat 5 kW Heat 10 kW Heat 15 kW Heat* Circ1 Circ2 FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD FLA WSA OPD ET017H 220/240 1 12.8 15.1 20 23 .4 29.3 30 44.4 55.5 60 NA ET017S 220/24 0 1 13.8 16.3 25 23.4 29.3 30 44.4 55.5 60 NA ET023H 220/240 1 13.7 16.2 25 23 .4 29.3[...]

  • Page 33

    Troubleshoot ing 27 8.0 T ROU BLESHOOTING T able 14 T roubleshooting guide Problem Probable Cause Remedy Unit will not start No power to unit Check voltage to input circuit breaker. Control voltage circuit breaker open Locate short and reset breaker. Shut off by extern al thermostat or stat is defective Check operation of thermostat. No cooling Low[...]

  • Page 34

    Maintenance Inspection Checklist 28 9.0 M AINTENANCE I NSPECTION C HECKLIST Liebert InteleCool2 Monthly Filters ___ 1. Unrestricted air flow ___ 2. Check filter ___ 3. Wipe section clean Fan Section ___ 1. Impellers free of debris ___ 2. Bearings free Economizer ___ 1. Check damper for tightness and wear Semiannually Compressor Section ___ 1. Check[...]

  • Page 35

    Parts 29 10.0 P ART S T able 15 Refrigeration system p arts, 1.5 and 2 ton unit s Figure No. Part Name/ Description Part # 1.5 Ton 2 Ton ET017S ET018P ET023S ET023M ET024P ET024Y ET024A 220-240V 1P h 5 0H z 208-230V 1P h 6 0 H z 220-240V 1P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0 H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z Run capacitor, reci[...]

  • Page 36

    Parts 30 T able 16 Refrigeration system part s, 3 ton unit s Figure No. Part Name / Description Part # 3 Ton ET035S ET035N ET035M ET036P ET036Y ET036A 220-240V 1P h 5 0H z 200-240V 3P h 5 0 H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z Run capacitor, recip comp 7 - 7 Cap. 40 μ F, 370V 1A19538P1 1 N/A N/A 1 N/A[...]

  • Page 37

    Parts 31 T able 17 Refrigeration system p a rt s, 4-ton units Figure No. Part Name/ Description Part # 4 Ton ET047N ET347N ET047M ET347M ET048P ET348P ET048Y ET348Y ET048A ET348A 200-230V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z Run capacitor, scroll comp 7 - 7 Cap. 40 μ F, 370V 1A19538P1 N/A N/A [...]

  • Page 38

    Parts 32 T able 18 Refrigeration system p a rt s, 5-ton units Figure No. Part Name/ Description Part # 5 Ton ET059N ET359N ET059M ET359M ET060P ET360P ET060Y ET360Y ET060A ET360Y 200-230V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0 460V 3P h 6 0H z Run capacitor, scroll comp 7 - 7 Cap. 60 μ F, 370V E13-2430 N/A N/A 1 N/[...]

  • Page 39

    Parts 33 T able 19 Electric panel, 1.5- and 2-ton unit s Figure No. Part Name / Description Part # 1.5 Ton 2 Ton ET017S ET018P ET023S ET023M ET024P ET024Y ET024A 220-240V 1P h 5 0H z 208-230V 1P h 6 0 H z 220-240V 1P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z 11 - 3 Transformer 208/230V 159463P1 1 1 1 1[...]

  • Page 40

    Parts 34 T able 20 Electric panel p arts, 3-ton unit s Figure No. Part Name / Description Part # 3 Ton ET035S ET035N ET035M ET036P ET036 Y ET0 36A 220-240V 1P h 5 0H z 200-240V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0 H z 208-230V 3P h 6 0 H z 3 460V 3P h 6 0H z 11 - 3 Transformer 208/230V 159463P1 1 1 1 1 11 - 3 Transformer 360/460V 1594[...]

  • Page 41

    Parts 35 T able 21 Electric panel p arts, 4-ton unit Figure No. Part Name / Description Part # 4 Ton ET047N ET347N ET047M ET347M ET048P ET348P ET048Y ET348Y ET048A ET348A 200-230V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z 11 - 3 Transformer 208/230V 159463P1 1 1 1 11 - 3 Transformer 360/460V 159463P[...]

  • Page 42

    Parts 36 T able 22 Electric panel p arts, 5-ton unit Figure No. Part Name / Description Part # 5 Ton ET059N ET359N ET059M ET359M ET060P ET360P ET060Y ET360Y ET060A ET360Y 200-230V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z 11 - 3 Transformer 208/230V 159463P1 1 1 1 11 - 3 Transformer 360/460V 159463P[...]

  • Page 43

    Parts 37 T able 23 Motor pa rts, heate r , Economizer , 1.5- and 2-ton unit s Figure No. Part Name/ Description Part # 1.5 Ton 2 Ton ET017S ET018P ET023S ET023M ET024P ET024Y ET024A 220-240V 1P h 5 0H z 208-230V 1P h 6 0 H z 220-240V 1P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0 H z 208-230V 3P h 6 0H z 460V 3P h 6 0H z Condenser fan motors St[...]

  • Page 44

    Parts 38 T able 24 Motor pa rts, heate r , Economizer , 3-ton unit s Figure No. Part Name/ Description Part # 3 T on ET035S ET03 5N ET035M ET036P ET036Y ET036A 220-240V 1P h 5 0H z 200-240V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0H z 3 460V 3P h 6 0H z Condenser fan motors Stand ar d 7 - 1 Motor 1/8 Hp, 208/ 230V (std[...]

  • Page 45

    Parts 39 T able 25 Motor pa rts, heate r , Economizer , 4-ton unit s Figure No. Part Name/ Description Part # 4 Ton ET047N ET347N ET047M ET347M ET048P ET348P ET048Y ET348Y ET048A ET348A 200-230V 3P h 5 0H z 380-415V 3P h 5 0 H z 208-230V 1P h 6 0H z 208-230V 3P h 6 0 H z 460V 3P h 6 0H z Condenser fan motors Standard 7 - 1 Motor 1/3 Hp, 200/24 0V ([...]

  • Page 46

    Parts 40 T able 26 Motor pa rts, heate r , Economizer , 5-ton unit s Figure No. Part Name/ Description Part # 5 Ton ET059N ET359N ET059M ET359M ET060P ET360P ET060Y ET360Y ET060A ET360Y 200-230V 3P h 5 0H z 380-415V 3P h 5 0H z 208-230V 1P h 6 0 H z 208-230V 3P h 6 0 460V 3P h 6 0H z Condenser fan motors Standard 7 - 1 Motor 1/3 Hp, 2 00/240V (std)[...]

  • Page 47

    Parts 41 Figure 7 Condenser / piping assembly Figure 8 Crankcase heat er (reciprocating compres sor only) 2 1 3 4 10 7 8 5 9 6 2 1 Crankcase heater cartridge Compressor Retainer[...]

  • Page 48

    Parts 42 Figure 9 Evaporator blower Figure 10 Evaporator coil and exp ansion valve 3 2 6 4 89 1 0 5 7 11 1 12 TEV systems 1 2[...]

  • Page 49

    Parts 43 Figure 1 1 Electric panels 8 3 11 31 6 12 13 15 4 1 10 Evaporator “MF” 380 / 460 V , 3 phase 200 / 240 V , 3 phase 200 / 240 V , 1 phase 1 10 8 3 11 31 6 12 13 4 1 10 8 3 11 31 6 12 13 4 9 15 7 16 1A[...]

  • Page 50

    Parts 44 Figure 12 Heater assemb ly 5kW &10kW 208/230V , 1 ph ase (Parallel) Connection 15kW 208/230V , 1 ph ase (Parallel) Connection 5kW , 10kW & 15k W 380/460V , 3 ph ase (Wye) Connection 5kW , 10kW & 15kW 208/230 V , 3 phase (Delta ) Connection 159171G1 & G2, G13 & G14 159171G3 & G15 159171 G4, G5 &G6 G16, G17 & [...]

  • Page 51

    Parts 45 Figure 13 Economizer assembly Figure 14 Common alarm assembly 2 1 3 6 5 4 7 1 3 2 5 4[...]

  • Page 52

    Parts 46 Figure 15 Soft start de vice T o compressor cap acitor 1[...]

  • Page 53

    Parts 47 Notes[...]

  • Page 54

    Parts 48[...]

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    [...]

  • Page 56

    Ensuring The Hi gh Av ailabi lit y 0f Mission-Critic al Dat a And Appli c ations. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures net work resiliency and adaptability through a family of technologies—inc luding Lieber t pow er and cooling technologies—that prot ect and suppor t business-critical sy[...]