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1. 14 54 7 Common Alarm Optional lame Rae EAD KMS 14 MAINTENANCE il See iw 15 tasa unan T BGR idk Gee e bang videte alla wih 15 Blower Package ase os a bets eae bd du CR ay 15 Econonm zer BEE RE 15 Pc 15 6 5 6 6 7 0 7 1 7 2 8 0 9 0 10 0 Refrigeration System ru Su be BM pel eR ea BOG bP bei 15 6 51 sRetrigerant EE esis Sa kis e 15 6 5 2 Discharge 225200 e a RERO 15 6 5 3 Thermostatic Expansion 16 6 5 4 Air Cooled 1 16 16 6 6 1 Compressor 17 SPECIEICATIONS dE EEN Ne rad ae Uie ife 19 Dimensional Data uyata yum WEAN AAA VP e SESS E 19 Technical A et yB 20 TROUBLESHOOTING 27 MAINTENANCE INSPECTION 5 28 PARTS Pv ES ee 29 Figure 1 Figure 1 Figure 2 Figure 3 Figure 4 F
2. a O O O oco cO a O w w 208 230 208 230 460 208 230 208 230 460 25 Specifications Table 13 Electrical data 50 Hz amps 15 kW Heat 5 kW Heat 10 kW Heat Phase FLA WSA WSA ET017H 220 240 ET017S 220 240 ET023H 220 240 ET023S 220 240 ET023H 380 415 23 380 415 ET035H 220 240 5 220 240 ET035H 200 230 5 200 230 ET035H 380 415 5 380 415 ET047S 3475 0475 3475 0595 3595 0595 3595 15 kW heat option 220 240 1 phase requires two electrical feeds Circuit 1 supplies the compressor condenser 10 kW heat and the evaporator motor Circuit 2 supplies the remaining 5 kW heat a w ola o a O w w 200 230 380 415 200 230 380 415 26 Troubleshooting 8 0 TROUBLESHOOTING Table 14 Troubleshooting guide Problem Unit will not start Probable Cause No power to unit Remedy Check voltage to input circuit breaker Control voltage circuit breaker open Locate short and reset breaker Shut off by external thermostat or stat is defective Check operation of thermostat No cooling Low refrigerant charge Compr
3. 20 Specifications Table 7 Technical data 60 Hz continued Model ET048 ET348 ET060 ET360 Compressor Type Scroll Net capacity data based on 80 F 26 6 C DB 67 F 19 4 C WB indo Scroll or ambient BTUH kW Outdoor ambient 85 F Total 49100 14 39 58500 17 14 29 4 C Sensible 39300 11 51 42800 12 54 95 F Total 46900 13 74 56000 16 41 35 0 C Sensible 38400 11 25 41900 12 28 105 F Total 44500 13 04 53400 15 65 40 6 C Sensible 37600 11 02 40900 11 98 115 Total 42000 12 31 50500 14 80 46 1 C Sensible 36700 10 75 39800 11 66 Net capacity data based on 75 F 23 9 C DB 62 5 F 16 9 C WB indoor ambient BTUH kW Outdoor ambient 85 Total 46000 13 48 54900 16 09 29 4 C Sensible 38200 11 19 41900 12 28 95 F Total 43800 12 83 52400 15 35 35 0 C Sensible 37300 10 93 40800 11 95 105 Total 41500 12 16 49800 14 59 40 6 C Sensible 36300 10 64 39700 11 63 115 Total 39200 11 49 47100 13 80 46 1 Sensible 35400 10 37 38600 11 31 Evaporator Air Flow Dry Coil Derate ESP by 0 2 IN WG 50 for ET348 and ET360 External Static Pressure m hr 0 0 IN WG 0 0 Pa 2030 3450 2030 3450 0 1 IN WG 25 Pa 1910 3240 1910 3240 0 2 IN WG 50 Pa 1770 3010 1770 3010
4. 30 Refrigeration system parts 4 31 Refrigeration system parts 5 ton 32 Electric panel 1 5 and 2 ton 33 Electricpanelparts 3 tonunits aa 34 Electricpanelparts 4 tonunitt an 35 Electricpanelparts 5 tonunitt aaa 36 Motor parts heater Economizer 1 5 and 2 ton units 37 Motor parts heater Economizer 3 ton units 38 Motor parts heater Economizer 4 ton 39 Motor parts heater Economizer 5 ton units 40 iii Figure i Model number designation External Telecommunication 208 230V 1 ph 60 hz 220 240 1 ph 60 hz Y 208 230V 3 ph 60 hz 200 230 3 ph 50 hz 380 415V 3ph 50 hz Nominal Btuhs 1000 0 Standard Supply amp Return omine tune Openings 3 4 or 5 Ton Unit With 3 Ton tic Supply amp Return Openings enero wOIPEESSOE S Scroll Compressor R Right Compressor L Left Compressor 460V ph 60 hz 0 Standard F Fixed Outside Air Damper E Economizer
5. 0 No Heat A 5 kW Heat 10 kW Heat 15 kW Heat T Tan Painted Steel Panels A Aluminum Panels C Custom Color Painted Steel Panels iv Introduction 1 0 INTRODUCTION 1 1 General The Liebert InteleCool 2 Environmental Control System was designed for convenience and dependabil ity in unmanned and remote locations typical of the telecommunications industry Ease of installation operation and service coupled with the use of high quality high reliability components make InteleCool2 ideally suited for maintaining an environment for sensitive electronic equipment Standard units are NRTL C listed certified to meet U S and Canadian safety standards and MEA listed for New York City applications These agency listings insure fast hassle free inspection and building code approvals Self Contained The InteleCool2 product is completely self contained All components are enclosed in the weather proof cabinet Space Savings The InteleCool2 does not use any of the valuable floor space inside the secure space Instead it is mounted on the outside wall No additional space is required outside or on a roof Easy to Install The InteleCool2 is assembled wired piped charged with refrigerant and fully factory tested as a sys tem to ensure trouble free installation and start up 1 2 Standard Features Reciprocating Hermetic Compressor 1 5 2 and 3 Ton Units The heart of the refrig
6. 18400 5 39 18800 5 51 26900 7 88 29000 8 50 46 1 C Sensible 15700 4 60 16500 4 83 17200 5 04 17300 5 07 23500 6 89 24300 7 12 Evaporator Air Flow Dry Coil External Static Pressure CFM m3 hr 0 0 IN WG 0 0 Pa 870 1480 930 1580 1300 2210 0 1 IN WG 25 Pa 830 1410 880 1500 1220 2070 0 2 IN WG 50 Pa 780 1320 840 1430 1130 1920 0 3 IN WG 75 Pa 750 1260 800 1360 1030 1750 0 4 IN WG 100 Pa 670 1140 730 1240 920 1560 0 5 IN WG 125 Pa 590 1000 650 1100 820 1390 Evaporator Air Flow Wet Coil External Static Pressure m hr 0 0 IN WG 0 0 Pa 850 1440 910 1550 1200 2040 0 1 IN WG 25 Pa 810 1380 860 1460 1120 1900 0 2 IN WG 50 Pa 770 1310 820 1390 1030 1750 0 3 IN WG 75 Pa 720 1220 780 1320 940 1600 0 4 IN WG 100 Pa 650 1100 710 1210 850 1440 0 5 IN WG 125 Pa 570 970 620 1050 750 1270 Evaporator Motor Hp KW 0 25 0 19 0 25 0 19 0 25 0 19 Filter Sizes Ouantity in cm 16 x 32 5 x 2 16 x 32 5 x 2 one 16 x 32 5 x 40 6 x 82 5 x 5 40 6 x 82 5 x 5 40 6 x 82 5 x 5 Drain Connection ID in 3 4 3 4 3 4 Weight w o Economizer Ib kg 330 150 330 150 330 150 Weight w Economizer Ib kg 350 159 350 159 350 159 Based on rated airflow with no external static and no outside air For applications above 115 F 46 1 use high ambient option
7. Figure 9 Evaporator blower 12 2 5 6 8 9 10 1 Figure 10 Evaporator coil and expansion valve TEV systems 42 Parts Figure 11 Electric panels 11 43 16 7 3 31 12 4 380 460V 3 phase GROUND LUG 19 M Evaporator 1 11 13 12 3 31 6 200 240V 3 phase ges 0 GROUND LUG 5 EE TE 2 LE yj I DN EE St 9 lt oL 10 1 11 13 3 12 200 240V 1 ph 6 45 9 4 1A 00 240V 1 phase TES HEAT 2 HEAT 1 COMPRESSOR E Ke z W s No JO GROUND R ORATOR B E m p e CIRCUIT v quis ela ER e BREAKEI L o 22 zu Boc E Ze bi di fe l CIRCUIT XN i 7 BREAKER fe o 1 1 10 43 Parts Figure 12 Heater assembly 5kW amp 10kW 15kW 208 230V 1 phase 208 230V 1 phase Parallel Parallel Connection Connection 4 159171 1 amp 2 13 amp G14 15917163 amp G15 s2 A 5kW 10kW amp 15kW
8. ccs ee ER S ERG REM EG me E ERU UR ii e es 6 2 5 2 Control Connections cis m n EEN ea a he ted WE du 6 Outside Air Damper 8 Economizer 1 8 CHECKLIST FOR COMPLETE 9 START UP PROCEDURE eee eee twee a EUR UA 10 OPERATION vii ua nee eee ere yw eee eee EGIT YE 11 Compressorized 11 Economizer Cooling Optional 12 5 21 EE 12 5 2 2 Act dtOr eine e wn NER ELE NES 12 Heating 1 12 Unit CODDFOIS Su s a a he det a Sah Gat ad aue dio Ria ah 13 5 4 1 Remote Control 13 5 4 2 High Pressure Standard 13 5 4 3 Refrigeration Control 18 5 4 4 Anti Short Cycle Timer 14 5 4 5 Heater Protection With Optional 14 5 4 6 Lockout
9. Precision Cooling For Business Critical Continuity Liebert InteleCool2 User Manual Outdoor Wall Mount Air Conditioner 1 5 5 Tons 50 amp 60 Hz 4 D es Liebert EMERSON Network Power 1 0 1 1 1 2 1 3 1 4 1 5 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 3 0 4 0 5 0 5 1 5 2 5 3 5 4 6 0 6 1 6 2 6 3 6 4 TABLE OF CONTENTS INTRODUCTION 1 General estu uu e e e t 1 Standard P NE ug Sud 1 Optional Features vsu ERES verte ee EN EE E ete ae 2 1 3 1 Refrigeration System 3 Ancillary Components see te Race e Baus A YOUR o T P PERCHE Yee 3 ud ecd des cua silin Vea o roof ap la Lap Po ay a ala Da 3 C dna area a cerca qa ue 4 Preparationz eat tutu Seve ta ate tienes NEUES IM 4 24 ALLE eu ECRIRE AS du ius 4 2 1 2 Location Considerations oc be UE E V EE RU M 4 2 18 Equipment Insp ctiOn RS RE peine des we a ie dee ue es 4 Un tiinstallatlon 2 15 a uka vdd PE TOC 4 Piping Connections ua u ehh 5 ER et ad Patet De 6 Electacal CoOntiec tongue corr ca De quem o SE EDD Seng Qa a AXI TU d nt oe 6 2 5 1 Power GConnecti nS
10. 208 230V 3 phase Delta Connection 159171G4 G5 amp G6 G16 G17 amp G18 si 5kW 10kW amp 15kW 380 460V 3 phase Wye Connection Hi 15917167 G8 G10 G11 amp G12 G19 G20 G21 G22 G23 amp G24 t2 44 Parts Figure 13 Economizer assembly Figure 14 Common alarm assembly 45 Parts Figure 15 Soft start device To compressor capacitor 46 Parts Notes 47 Parts 48 Ensuring The High Availability Of Mission Critical Data And Applications Emerson Network Power the global leader in enabling business critical Technical Support Service continuity ensures network resiliency and adaptability through a family of technologies including Liebert power and cooling technologies that protect and support business critical systems Liebert solutions employ an adaptive architecture that responds to changes in criticality density and capacity Enterprises benefit from greater IT system availability operational flexibility and reduced capital equipment and operating costs monitoring upstech powertech Web Site www liebert com Monitoring 800 222 5877 emersonnetworkpower com Outside the US 614 841 6755 Single Phase UPS 800 222 5877 emersonnetworkpower com Outside the US 614 841 6755 Three Phase UPS 800 543 2378 emersonnetworkpower com Environmental Systems 800 543 2778 Outside the United States 61
11. 48 VDC power Installation 2 0 INSTALLATION 2 1 2 1 1 2 2 Preparation Room Preparation The room should be well insulated and should be sealed to reduce airborne contaminants from pene trating the site Outside air may be introduced through the damper option or be used for economized cooling by using the Economizer option However uncontrolled outside air should be kept to a mini mum Outside air adds to the cooling heating and filtration loads of the site Doors should be prop erly sealed to minimize leaks and should not contain grilles Location Considerations The InteleCool2 unit is field mounted on an outside wall Additional framing in the wall may be required to ensure adequate structural support The outdoor area near the condenser supply and discharge must also be considered To assure ade quate air supply the unit should be mounted in a clean area away from loose dirt and foreign matter that may clog the condenser coil The unit should not be located near steam hot air or fume exhausts Also the unit should not be mounted closer than 12 feet 8 7 m from an opposing wall obstruction or unit For service clearance provide 36 inches 914 mm in front of the unit and 30 inches 762 mm on each side When mounting units side by side provide a minimum of 36 inches 914 mm between adja cent units unless the adjacent units will not be run at the same time In this case the units may be placed as close a
12. as required 11 11 Lockout relay E 0130 Optional feature quantity 1 as required Common alarm assembly 14 1 Air flow switch 02 0190 Optional feature quantity 1 as required 14 2 relay E 3530 Optional feature quantity 1 as required 14 3 Relay R1 E03 0170 Optional feature quantity 1 as required 14 4 Relay R2 E03 0170 Optional feature quantity 1 as required 14 5 Thermostat E 0230 Optional feature quantity 1 as required 36 Parts Table 23 Motor parts heater Economizer 1 5 and 2 ton units 1 5 Ton 2 Ton ET017S ETO18P ET023S ETO23M ETO24P ET024Y 024 220 240V 208 230 220 240V 380 415 208 230V 208 230V Description 1Ph 50Hz 1Ph 60 2 1 50Hz 3Ph 50Hz 1Ph 60 3Ph 60Hz Condenser fan motors Standard Motor 1 8 Hp 208 230V std 159206P1 Motor 1 8 Hp 380 460V std 159206P2 Fan prop 2 blade 20 28 deg 159189 2 High ambient option 1 5 Hp 208 230V high amb 159205P1 1 5 Hp 380 460V high amb 159205P2 1 1 Fan prop 4 blade 20 22 deg 159112P1 1 1 1 1 1 Capacitor run 5uF 370V B 1220 Motor mount 159175P1 1 Motor 1 4 Hp dual 206 230V 159207P1 Motor 1 4 Hp dual 380 460V 159207P2 Blower CW 159201P2 Blower CCW 159201P1 Capacitor run 5uF 370V B 1220 Motor mount 159174P1 Mount bolt 100061 Mount nut S 3380 Grommot washer 127843P1 Screw 147993P1 Grommot tube 127843P2 Spac
13. burn outs of the same system are usually caused by improper cleaning A CAUTION Damage to a replacement compressor caused by improper system cleaning constitutes abuse under the terms of the warranty and the WARRANTY WILL BE VOIDED There are two kits that can be used with a complete compressor burnout Sporlan System Cleaner and Alco Dri Kleener Whichever kit is used follow the manufacturer s procedure A CAUTION Avoid skin contact with the refrigerant and oils Severe burns will result Use long rubber gloves when handling contaminated parts Compressor Replacement Replacement compressors are available from your Liebert supplier They will be shipped in a reusable crate to the job site as required by the service contractor Upon shipping a replacement compressor the service contractor will be billed in full for the compres sor until the failed compressor has been returned to the factory The compressor should be returned in the same container used for shipping to the job The possible damage causes or conditions that were found should be recorded by marking the compressor return tag 1 Disconnect power 2 Attach suction and discharge gauges to access fittings 3 Recover refrigerant using standard recovery procedures and equipment Use a filter drier when charging the system with recovered refrigerant CAUTION Do not loosen any refrigeration or electrical connections before relieving system pressure from both side
14. lockout relay latches the detection of a high pressure condition in the refrigeration circuit and prohibits operation of the compressor until the abnormal pressure conditions are acknowledged The lockout relay is reset by cycling the unit main power or by changing the setpoint on the thermostat to temporarily eliminate a call for cooling A normally open set of contacts is provided to terminals 2 and 3 of the customer terminal strip for monitoring the status of the lock out relay when this option is sup plied without the Common Alarm option Common Alarm Optional Alarm components are an evaporator air sail switch evaporator high temperature switch control relays and an adjustable time delay relay with two normally open and two normally closed alarm con tacts The alarm contacts will activate in the event of a loss of airflow across the evaporator blower high evaporator temperature or in the event that the compressor is not functioning due to an abnor mal pressure condition The adjustable time delay relay can be adjusted for a delay of up to 90 sec onds to eliminate nuisance tripping of the alarm contacts To detect low pressure the optional low pressure switch with bypass T pack1 or T pack2 must also be selected 14 Maintenance 6 0 MAINTENANCE 6 1 6 2 6 3 6 4 6 5 6 5 1 6 5 2 A WARNING Potentially lethal voltages exist within this equipment during operation Observe all cautions and warnings in thi
15. std Fan prop 4 blade 20 26 deg High ambient option 159206P2 159112P2 1 5 Hp 208 230V high amb 1 5 Hp 380 460V high amb 159205 1 159205 2 Fan prop 4 blade 20 22 deg Capacitor run But 370V 159112P1 B 1220 Motor mount Evaporator fan motors 159175P1 Motor 1 4 Hp dual 206 230V 159207P1 Motor 1 4 Hp dual 380 460V 159207P2 Blower CW 159201P2 Blower CCW Capacitor run But 370V 159201P1 B 1220 Motor mount 159174P1 Mount bolt Mount nut 100061 S 3380 Grommot washer 127843P1 Screw Grommot tube 147993P1 127843P2 Spacing sleeve Heaters optional Heater element 5kW 240V 127843P3 159170P1 Al aA A x ala oa PI Pl Pl Pl a a sch sch 1 a Pl Al sch a al a PI Pl Pl Pl a a sch a sch 1 a F gt Ill Heater element 5kW 277V 159170P2 Heater element 10kW 240V Heater element 10kW 277V 159170P3 159170P4 Heater element 15kW 240V 159170P5 Heater element 15kW 277V 159170P6 Fuse link safety 147896 1 Therm switch safety 5kW R 013A Thermswitch safety 10 15kW R 013B Jumper wire Economizer optional 146807G1 Actuator motor spring return 159115P1 Min position potentiometer 159471P1 Enthalpy control 138401P1 Mixe
16. than 50 F 10 C and down to 20 F 28 9 C The control uses a reverse acting pressure switch mounted on the discharge line that cycles the condenser fan in response to the discharge pressure On a call for cooling when the discharge pressure increases to 250 PSIG 1723 kPa the switch will close and start the condenser fan When the pressure drips below 170 PSIG 1172 kPa the switch will open and stop the condenser fan Dur ing low outdoor temperatures the pressure switch cycles the condenser fan to maintain discharge pressure that will allow the system to function NOTE During normal operation in low ambient conditions the condenser fan will cycle frequently T pack2 package Includes a low pressure switch low pressure bypass timer and an adjustable fan cycle control See descriptions above Anti Short Cycle Timer Standard The anti short cycle timer protects the compressor from continuous ON OFF operation and restarts after momentary power failures The timer used is adjustable and is set to a minimum of 3 minutes On start up or any call for cooling after an off cycle of more than 3 minutes the compressor will start immediately Heater Protection With Optional Heat On units supplied with resistance heating an auto reset heater safety and a one time replaceable thermal link protects the unit wiring and prevents excessive heat conditions caused by a dirty air fil ter or fan failure Lockout Relay Optional The
17. the InteleCool2 in the event of condenser motor fail ure or condenser coil blockage The pressure switch is an auto reset device When the system pressure drops below 300 PSIG 2069 kPa the switch will reset An optional lockout relay is available which allows the switch to be used as a manual reset safety If the call for cooling is present the compressor start circuit will be energized and the compressor will start after the 3 minute anti short cycle time Refrigeration Control Options Please review the following table for the recommended control options based on the site ambient and your need for year round operation Table 3 Recommended applications for control options Application Unit Options Min ambient Max ambient General Standard None 50 F 10 C 115 F 46 1 C General Standard Low Pressure with low pressure bypass opp 10 C 115 46 1 C General Standard T pack1 or T pack2 20 F 28 9 115 F 46 1 Telecom 365 day operation Standard T pack1 or T pack2 20 F 28 9 C 115 F 46 1 C General Standard High ambient 50 F 10 C 125 F 51 7 C General Standard High ambient low pressure with low 50 F 10 125 51 7 C pressure bypass timer Telecom 365 day operation Standard High ambient with T pack1 or T pack2 20 F 28 9 C 125 F 51 7 C Low Pressure Switch and Low Pressure Bypass Timer Winter Start Low Pressur
18. vapor compression refrigeration cycle Heat is removed from the air in the space by blowing the air across the evaporator coil As heat is trans ferred to the refrigerant in the evaporator the refrigerant boils and turns to a warm vapor The refrigerant vapor enters the compressor and is compressed resulting in high pressure and tempera ture After entering the condenser the hot vapor is condensed to a liquid by the air blown across the condenser coil Liquid refrigerant then passes through the thermal expansion valve and into the evap orator The expansion reduces the pressure and temperature to complete the cycle Figure 4 Refrigeration system Thermal expansion valve not shown Evaporator Liquid line Liquid line Filter drier Compressors Hermetic Reciprocating 1 5 2 and 3 ton units or Scroll Optional compressor location available Condenser 11 Operation 5 2 5 2 1 Economizer Cooling Optional The Economizer mode uses outside air to cool the room when the outside air temperature is cool enough to allow for economical cooling Components include the damper spring return direct drive actuator enthalpy sensor and actuator control board with an integral mixed air sensor Economizer operation is enabled when the outside conditions meet required temperature and humidity as set on the enthalpy sensor If outdoor conditions are favorable on a call for cooling the damper actuator will open the Econom
19. 0 3 IN WG 75 Pa 1650 2800 1650 2800 0 4 IN WG 100 Pa 1520 2580 1520 2580 0 5 IN WG 125 Pa 1390 2360 1390 2360 Evaporator Air Flow Wet Coil Derate ESP by 0 2 IN WG 50 Pa for ET348 and ET360 External Static Pressure CFM m hr 0 0 IN WG 0 0 Pa 1800 3060 1800 3060 0 1 IN WG 25 Pa 1680 2850 1680 2850 0 2 IN WG 50 Pa 1580 2680 1580 2680 0 3 IN WG 75 Pa 1470 2500 1470 2500 0 4 IN WG 100 Pa 1360 2310 1360 2310 0 5 IN WG 125 Pa 1250 2120 1250 2120 Evaporator Motor Hp kW 0 50 0 37 0 50 0 37 Filter Sizes Quantity in cm 21 x 36 25 x 2 53 3 x 92 x 5 53 3 x 92 x 5 21 x 36 25 x 2 one Drain Connection ID in 3 8 3 8 Weight wo Economizer Ib kg 470 213 470 213 Weight with Economizer Ib kg 490 222 490 222 Based on rated airflow with no external static and no outside air For applications above 115 F 46 1 C use high ambient option 21 Specifications Table 8 Technical data 50 Hz Model ET017 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
20. 200 230V 159267P1 Motor 1 2 Hp dual 380 460V 159267P2 Blower CW 159254P2 Blower CW 159254P1 Capacitor run 10uF 370V 03 0030 Motor mount 159263 1 Mount bolt 100061 Mount nut S 3380 Grommot washer 127843P1 Screw 147993P1 Grommot tube 127843P2 Spacing sleeve Heaters optional 127843P3 olalalaealalalal alala Gy Gy Gy oa a a oa el oleo el a a 3 a olalalaealal al Heater element 5kW 240V 159170P1 Heater element 5kW 277V 159170P2 Heater element 10kW 240V 159170P3 Heater element 10kW 277V 159170P4 Heater element 15kW 240V 159170P5 Heater element 15kW 277V 159170P6 Fuse link safety 147896P1 Therm switch safety 5kW R 013A Therm switch safety 10 15kW R 013B Jumper wire Economizer optional 146807G1 Actuator motor spring return 159115P1 Min position potentiometer Enthalpy control 159471P1 138401P1 Mixed air sensor 159204P1 13 7 Push rod Filter 20 2 x 21 x 36 25 159137P1 138447P3 1 40 Parts Figure 7 Condenser piping assembly Figure 8 Crankcase heater reciprocating compressor only Compressor 2 1 z Crankcase heater cartridge Retainer Parts
21. 22 14400 4 37 14900 4 51 15400 4 75 16200 6 12 20900 6 07 20700 46 1 C Total 3 90 13300 4 69 16000 4 60 15700 5 24 17900 6 83 23300 6 71 22900 115 F Sensible 3 90 13300 4 25 14500 4 34 14800 4 60 15700 5 92 20200 5 89 20100 Evaporator Air Flow Dry Coil External Static Pressure M hr CFM 0 0 0 0 IN 1230 720 1320 770 1840 1080 25 0 1 IN WG 1170 690 1240 730 1730 1020 50 0 2 IN WG 1100 650 1190 700 1600 940 75 0 3 WG 1060 620 1130 670 1460 860 100 0 4 IN 125 0 5 IN WG 3 Evaporator Air Flow Wet Coil External Static Pressure M hr CFM 0 0 0 0 IN 1200 710 1290 760 1700 1000 25 0 1 IN WG 1150 670 1220 720 1590 930 50 Pa 0 2 IN WG 1090 640 1160 680 1460 860 75 0 3 INWG 1020 600 1100 650 1330 780 100 0 4 IN WG 125 Pa 0 5 IN WG I Evaporator Motor kW Hp 0 19 0 25 0 19 0 25 0 19 0 25 Filter Sizes Quantity cm in 40 6 x 82 5 x 5 one 40 6 x 82 5 x 5 one 16 x 32 5 x 2 one 16 x 32 5 x 2 16 x 32 5 x 2 40 6 x 82 5 x 5 Drain Connection ID in 3 4 3 4 3 4 1 9 Weight w o Economizer kg Ib 150 330 150 330 150 330 Weight with Economizer kg Ib 159 350 159 350 159 350 Based on rated airflow with no external static and no outsi
22. 37 1 8 17 3 4 38 3 4 20 20 9 3 8 9 13 32 8 20 34 12 25 1 16 69 3 4 36 3 16 31 5 8 1 9 2 943 451 984 508 508 238 239 203 527 305 638 1772 919 803 mus 37 1 8 17 3 4 38 3 4 28 28 5 3 8 5 38 8 18 14 26 69 3 4 36 3 16 31 5 8 943 451 984 711 711 137 137 203 457 356 660 1772 919 803 pe 41 22 1 2 42 3 4 30 1 4 29 7 8 6 1 4 6 7 16 9 7 8 30 15 7 8 25 25 64 83 44 39 1 2 1041 572 1086 768 759 159 164 251 762 403 645 2108 1118 1003 4 5 41 122 1 2142 3 4 28 28 7 3 8 7 3 8 8 18 14 37142 83 44 139 12 w Ton Openings 1041 572 1086 711 711 187 187 203 457 356 952 2108 1118 1003 19 Specifications 7 2 Technical Data Table 6 Technical data 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 ambient BTUH kW Outdoor ambient 85 F Total 20700 6 07 20000 5 86 24800 7 27 23400 6 86 36100 10 58 36200 10 61 29 4 C Sensible 17700 5 1
23. 3ph n a 5 000 5 000 5 000 5 000 10 kW Capacity 220V 1ph 8 403 8 403 8 403 8 403 8 403 Capacity 240V 1ph 10 000 10 000 10 000 10 000 10 000 Capacity 200V 3ph 6 944 6 944 6 944 6 944 Capacity 230V 3ph n a 9 184 9 184 9 184 9 184 Capacity 240V 3ph n a 10 000 10 000 10 000 10 000 Capacity 380V 3ph n a 8 384 8 384 8 384 8 384 Capacity 415V 3ph n a 10 000 10 000 10 000 10 000 15 kW Capacity 220V 1ph n a n a 12 604 12 604 12 604 Capacity 240V 1ph n a n a 15 000 15 000 15 000 Capacity 200V 3ph n a n a 10 417 10 417 10 417 Capacity 230V 3ph n a n a 13 776 13 776 13 776 Capacity 240V 3ph 15 000 15 000 15 000 Capacity 380V 3ph n a 12 577 12 577 12 577 Capacity 415V 3ph n a n a 15 000 15 000 15 000 24 Specifications Table 12 Electrical data 60 Hz amps 15 kW 5 kW Heat 10 kW Heat Phase FLA WSA WSA ET018H 208 230 0185 208 230 ET024H 208 230 0245 208 230 ET024H 208 230 0245 208 230 ETO24H 460 0245 460 ET036H 208 230 0365 208 230 ET036H 208 230 ET036S 208 230 ETO36H 460 0365 460 ET048S 3485 0485 3485 0485 3485 0605 ET360S ETO60S ET360S ETO60S ET360S 15 kW heat option 208 230 1 phase requires two electrical feeds Circuit 1 supplies the compressor condenser 10 kW heat and the evaporator motor Circuit 2 supplies the remaining 5 kW heat
24. 4 C Total 5 19 17700 5 92 20200 6 21 21200 6 62 22600 8 97 30600 8 53 29100 85 F Sensible 4 45 15200 4 72 16100 4 98 17000 5 13 17500 6 74 23000 6 56 22400 35 0 C Total 4 83 16500 5 63 19200 5 83 19900 6 33 21600 8 44 28800 8 12 27700 95 F Sensible 4 31 14700 4 63 15800 4 83 16500 5 01 17100 6 53 22300 6 42 21900 40 6 C Total 4 45 15200 5 36 18300 5 42 18500 6 01 20500 7 88 26900 7 68 26200 105 F Sensible 4 19 14300 4 51 15400 4 69 16000 4 89 16700 6 33 21600 6 24 21300 46 1 C Total 4 19 14300 5 04 17200 5 01 17100 5 65 19300 7 32 25000 7 21 24600 115 F Sensible 4 19 14300 4 39 15000 4 54 15500 4 75 16200 6 12 20900 6 09 20800 Net capacity data based on 23 9 C 75 F DB 16 9 C 62 5 F WB indoor ambient kW BTUH Outdoor ambient 29 4 C Total 4 81 16400 5 54 18900 5 74 19600 6 15 21000 8 38 28600 8 00 27300 85 F Sensible 4 28 14600 4 57 15600 4 81 16400 4 98 17000 6 56 22400 6 42 21900 35 0 C Total 4 48 15300 5 27 18000 5 39 18400 5 89 20100 7 85 26800 7 59 25900 95 F Sensible 4 16 14200 4 48 15300 4 66 15900 4 86 16600 6 36 21700 6 24 21300 40 6 C Total 4 22 14400 4 98 17000 4 98 17000 5 60 19100 7 32 25000 7 18 24500 105 F Sensible 4
25. 4 888 0246 Locations United States 1050 Dearborn Drive P O Box 29186 Columbus OH 43229 Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy While every precaution has been taken to ensure the accuracy and completeness of this literature Liebert Corporation assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 2006 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 19530_REV1_08 06 Emerson Network Power The global leader in enabling Business Critical Continuity AC Power Systems Embedded Computing Outside Plant Connectivity Embedded Power Power Switching amp Control DC Power Systems Integrated Cabinet Solutions Precision Cooling 39 049 9719 111 Fax 39 049 5841 257 Asia 7 F Dah Sing Financial Centre 108 Gloucester Road Wanchai Hong Kong 852 2572220 Fax 852 28029250 EmersonNetworkPower com Services Site Monitoring Surge Protection Business Critical Continuity Emerson Network Power and the Emerson Network Power logo are trademarks and service marks of Emerson Electric Co 2006 Emerson Elec
26. 590 2700 1590 50 Pa 0 2 IN WG 2500 1470 2500 1470 75 Pa 0 3 IN WG 2330 1370 2330 1370 100 Pa 0 4 IN WG 125 Pa 0 5 IN WG Evaporator Air Flow Wet Coil Derate ESP by 0 15 IN WG 50 Pa for ET347 and ET359 External Static Pressure M hr CFM 0 0 Pa 0 0 IN WG 2550 1500 2550 1500 25 0 1 2380 1400 2380 1400 50 Pa 0 2 IN WG 2240 1320 2240 1320 75 Pa 0 3 2070 1220 2070 1220 100 Pa 0 4 IN WG 125 0 5 IN WG Evaporator Motor kW Hp 0 37 0 50 0 37 0 50 Filter Sizes Quantity cm in 72 52252 x pa SES x2 Drain Connection ID in 3 4 3 4 Weight w o Economizer kg Ib 213 470 213 470 Weight with Economizer kg Ib 222 490 222 490 Based on rated airflow with no external static and no outside air For applications above 46 1 C 115 F use high ambient option 23 Specifications Table 10 Optional heater capacity 60 Hz Heater Capacity kW Nominal Heater Rating 1 5 Ton 2 Ton 3 Ton 4 5 5 kw Capacity 208V 1ph 3 756 3 756 3 756 3 756 3 756 Capacity 230V 1ph 4 592 4 592 4 592 4 592 4 592 Capacity 240V 1ph 5 000 5 000 5 000 5 000 5 000 Capacity 208V 3ph n
27. 84P1 Optional feature quantity 1 as required 7 10 10 1 Adj Pr Sw for Adj FCC Filter drier Condenser coil 1 5 3T Evaporator coil 3T P67 0110 127185 1 159118 1 159180 1 1 1 Optional feature quantity 1 as required 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 1 Thermal expansion valve 1 19507 2 1 Crankcase Heaters Strap style 240V scrolls 132102P1 Strap style 480V scrolls Well style recips only 132102P2 1 17648 1 Retainer plug Soft start kit 159136P1 1C19540P1 Optional feature guantity 1 as reguired 30 Parts Table 17 Figure Refrigeration system parts 4 ton units Part Name Description Run capacitor scroll comp 4 ET047N ET347N ET047M ET347M ET048P ET348P 048 ET348Y ET048A ET348A 200 230V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60Hz 208 230V 3Ph 60Hz 460V 3Ph 60Hz 40uF 370V Compressors scroll 1A19538P1 Comp 208 230 3 Comp 380 460 3 159153P1 159153P2 Comp 200 230 1 Pressure switches 159152P1 High pressure 400 psi 159482P1 1 1 1 Fan cycle switch 170 psi Low Pressure 35 psi 159483P1 159484P1 Optional feature quantity 1 as required Optional feature quantity 1 as required Adj Pr Sw for Adj FCC P67 0110 featur
28. 9 17500 5 13 19700 5 77 19100 5 60 27000 7 91 27000 7 91 95 F Total 19300 5 65 19200 5 63 23200 6 80 22400 6 56 33800 9 90 34600 10 14 35 0 C Sensible 17200 5 04 17200 5 04 19100 5 60 18800 5 51 26100 7 65 26400 7 74 105 F Total 18000 5 27 18300 5 36 21600 6 33 21300 6 24 31500 9 23 32900 9 64 40 6 C Sensible 16700 4 89 16900 4 95 18500 5 42 18400 5 39 25200 7 38 25700 7 53 115 F Total 17000 4 98 17600 5 16 20000 5 86 20200 5 92 29000 8 50 31100 9 11 46 1 Sensible 17000 4 98 17600 5 16 17900 5 24 18000 5 27 24300 7 12 25100 7 35 Net capacity data based on 75 F 23 9 C DB 62 5 F 16 9 C WB indoor ambient BTUH kW Outdoor ambient 85 F Total 19200 5 63 18700 5 48 23000 6 74 21800 6 39 33600 9 84 33800 9 90 29 4 C Sensible 17100 5 01 16900 4 95 19000 5 57 18500 5 42 26200 7 68 26300 7 71 95 F Total 17800 5 22 17900 5 24 21500 6 30 20900 6 12 31400 9 20 32300 9 46 35 0 C Sensible 16600 4 86 16600 4 86 18400 5 39 18200 5 33 25300 7 41 25700 7 53 105 F Total 16900 4 95 17300 5 07 20000 5 86 19900 5 83 29200 8 56 30800 9 02 40 6 C Sensible 16900 4 95 17300 5 07 17800 5 22 17800 5 22 24400 7 15 25000 7 32 115 F Total 15700 4 60 16500 4 83
29. 9 203 527 305 638 139 305 96 114 962 63 SS 38 3 4 28 28 5 3 8 5 38 8 18 14 26 1 5 15 32 12 32 5 32 4 1 2 37 718 2 15 32 984 711 711 137 137 203 457 356 660 139 305 96 114 962 63 45Ton 42 3 4 30 1 4 29 7 8 6 1 4 6 7 16 9 7 8 30 15 7 8 25 25 64 1 45 64 16 6 1 64 6 1 2 41 3 4 4 3 8 6 1086 768 759 159 164 251 762 403 645 43 406 24 165 1060 111 4 or 5 Ton Unit w 3 Ton Openings 42 3 4 28 28 7 3 8 7 3 8 8 18 14 37 1 2 1 45 64 16 15 16 6 1 2 41 3 4 4 3 8 1086 711 711 187 187 203 457 356 952 43 406 24 165 1060 111 2 3 Piping Connections The InteleCool2 is a self contained packaged unit All refrigerant piping connections are made at the factory so no external condenser is required The evaporator coil condensate drain is factory supplied and drains outdoors through the unit base pan The condensate drain tubing should be checked to be certain that it is placed through the hole provided in the base pan Installation 2 4 2 5 2 5 1 2 5 2 Ducting Field supplied ducting can be attached to the unit duct connection once the unit has been mounted to the outside wall The total external static pressure for the duct including grille must not exceed the va
30. A 11 8 Time delay relay anticycle 148089 1 1 1 1 1 1 11 16 Heater interlock relay E03 0170 11 10 Terminal strip 10 position 159468P1 1 1 1 1 1 Wall thermostat 1 stage 138968P1 1 1 1 1 1 Thermostat base 138940P1 1 1 1 1 1 Optional features Time delay relay LP bypass 138491P1 Optional feature quantity 1 as required Economizer relay E03 0170 Optional feature quantity 1 as required Lockout relay E 0130 Optional feature quantity 1 as required Common alarm assembly Air flow switch B02 0190 Optional feature quantity 1 as required T D relay E 3530 Optional feature quantity 1 as required Relay R2 E03 0170 Optional feature quantity 1 as required Relay R1 E03 0170 Optional feature quantity 1 as required Thermostat E 0230 Optional feature quantity 1 as required 33 Parts Table 20 Part Name Description Transformer 208 230V Electric panel parts 3 ton units 159463P 1 3 Ton ET035S ETO35N ET035M ET036P ET036Y ETO36A 220 240V 1Ph 50Hz 200 240V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60Hz 208 230V 3Ph 60Hz 3 460V 3Ph 60Hz Transformer 360 460V Circuit breakers 159463P2 No heat 138457P1 147957P5 147957P8 138457P8 147957P5 147957P8 5 kW heat 138457 1 147957 5 147957 8 138457 8 147957 5 147957 8 10 kW h
31. FCC P67 0110 feature 1 as T 7 10 Condenser coil 1 5 3T 159118P1 10 1 Evaporator coil 1 5 2T 159200 1 10 1 Thermal expansion valve 1 5T 1C19507P3 10 1 Thermal expansion valve 2T 1 19507 1 Crankcase heaters Strap style 240V recips 159202P1 Strap style 480V recips 159202P2 Well style recips only 1A17648P1 Retainer plug 159136P1 Soft start kit 1C19540P1 Optional feature quantity 1 as required 29 Parts Table 16 Figure No Part Name Description Run capacitor recip comp Refrigeration system parts 3 ton units 3 Ton ET035S ETO35N ET035M ET036P ET036Y ET036A 220 240V 1Ph 50Hz 200 240V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60 2 208 230V 3Ph 60Hz 460V 3Ph 60Hz 40uF 370V Run capacitor scroll comp 1 19538 1 40uF 370V 1A19538P1 Cap 50uF 370V Compressors reciprocating C15 0090 Comp 220 240 1 50 159124P1 Comp 200 240 3 159212P2 Comp 380 460 3 159212P3 Comp 200 230 1 Compressors scroll 159212P1 Comp 220 240 1 148221P2 Comp 208 230 3 148325 1 380 460 3 148325 2 200 230 1 Pressure switches 159149P1 High pressure 400 psi Fan cycle switch 170 psi 159482P1 159483P1 Optional feature quantity 1 as required Low pressure 35 psi 1594
32. P1 Optional feature quantity 1 as required 32 Parts Table 19 Electric panel 1 5 and 2 ton units 1 5 Ton 2 Ton ET017S ET018P ET023S ET023M ET024P ET024Y ETO24A Part Name 220 240V 208 230V 220 240V 380 415V 208 230V 208 230V 460V Description 1Ph 50Hz 1Ph 60Hz 1Ph 50Hz 3Ph 50Hz 1Ph 60Hz 3Ph 60Hz 3Ph 60Hz Transformer 208 230V 159463P1 Transformer 360 460V 159463P2 Circuit breakers No heat 138457P7 138457P3 138457P3 147957P8 138457P3 147957P7 147957P8 5 kW heat 138457P5 138457P5 138457P5 147957P8 138457P5 147957P7 147957P8 10 kW heat 138457P2 138457P2 138457P2 147957P1 138457P2 147957 10 147957P1 15 kW heat Heater breaker Circuit breakers scrolls No heat 138457P3 138457P3 138457P5 147957P8 138457P5 147957P7 147957P8 5 kW heat 138457P5 138457P5 138457P5 147957P8 138457P5 147957P7 147957P8 10 kW heat 138457P2 138457 2 138457P2 147957P1 138457P2 147957 10 147957P1 15 kW heat N A N A N A N A N A N A N A Heater breaker N A N A N A N A N A N A N A Contactor compressor 2 pole E 013A 3 pole 124501P1 Contactor heater 5 kW 2 pole E 013A 3 pole 124501P1 Contactor heater 10 kW 11 9 2 pole E 011C 11 9 3 pole 124501P1 11 9 3 pole E 0110 11 6 Contactor evaporator fan E 0130 11 6 Contactor evaporator fan E 013A 11 7 Contactor condenser fan E 013
33. Part Name 200 230V 380 415V 208 230V 208 230V 460V No Description Part 3Ph 50Hz 3Ph 50Hz 1Ph 60Hz 3Ph 60Hz 3Ph 60Hz 11 3 Transformer 208 230V 159463P1 1 1 1 11 3 Transformer 360 460V 159463P2 1 1 Circuit breakers scrolls 11 1 heat 147957P3 147957P11 138457P2 147957P3 147957P11 11 1 5 kW heat 147957P3 147957P11 138457P2 147957P3 147957P11 11 1 10 kW heat 147957P3 147957P11 138457P2 147957P3 147957P11 11 1 15 kW heat 147957P3 147957P2 138457P2 147957P3 147957P2 11 1A Heater breaker N A N A 138457P5 N A N A Contactor compressor 11 4 2 pole E 011C 1 11 4 3 pole 124501P1 1 1 11 4 pole E 0110 1 1 Contactor heater 5 kW 11 9 2 pole E 013A 1 11 9 pole 124501P1 1 1 1 1 Contactor heater 10 kW 11 9 2 pole E 011C 1 11 9 pole 124501P1 1 1 11 9 pole E 0110 1 1 Contactor heater 15 kW 11 15 2 pole E 013A 1 11 9 2 pole E 011C 1 11 9 3 pole E 0110 1 1 11 9 3 pole E 009F 1 1 11 6 Contactor evaporator fan E 0130 1 1 1 11 6 Contactor evaporator fan E 013A 1 1 11 7 Contactor condenser fan E 013A 1 1 11 8 Time delay relay anticycle 148089P1 1 1 1 1 1 11 16 Heater interlock relay E 0130 1 1 11 10 Terminal strip 10 position 159468P1 1 1 1 1 1 Wall thermostat 1 stage 138968P1 1 1 1 1 1 Thermostat base 138940P1 1 1 1 1 1 Optional features 11 13 Time delay relay LP bypass 138491P1 Optional feature guantity 1 as reguired 11 12 Economizer relay E03 0170 Optional feature quantity 1
34. a 3 756 3 756 3 756 3 756 Capacity 230V 3ph n a 4 592 4 592 4 592 4 592 Capacity 240V 3ph n a 5 000 5 000 5 000 5 000 Capacity 460V 3ph n a 4 592 4 592 4 592 4 592 Capacity 480V 3ph n a 5 000 5 000 5 000 5 000 10 kW Capacity 208V 1ph 7 511 7 511 7 511 7 511 7 511 Capacity 230V 1ph 9 184 9 184 9 184 9 184 9 184 Capacity 240V 1ph 10 000 10 000 10 000 10 000 10 000 Capacity 208V 3ph n a 7 511 7 511 7 511 7 511 Capacity 230V 3ph n a 9 184 9 184 9 184 9 184 Capacity 240V 3ph n a 10 000 10 000 10 000 10 000 Capacity 460V 3ph n a 9 184 9 184 9 184 9 184 Capacity 480V 3ph n a 10 000 10 000 10 000 10 000 15 kW Capacity 208V 1ph 11 267 11267 11267 Capacity 230V 1ph n a n a 13 776 13776 13776 Capacity 240V 1ph n a 15 000 15 000 15 000 Capacity 208V 3ph n a n a 11 267 11 267 11 267 Capacity 230V 3ph n a 13 776 13 776 13 776 Capacity 240V 3ph n a n a 15 000 15 000 15 000 Capacity 460V 3ph n a n a 13 776 13 776 13 776 Capacity 480V 3ph n a n a 15 000 15 000 15 000 Table 11 Optional heater capacity 50 Hz Heater Capacity kW Nominal Heater Rating 1 5 Ton 2 Ton 3 Ton 4 5 5 kw Capacity 220V 1ph 4 201 4 201 4 201 4 201 4 201 Capacity 240V 1ph 5 000 5 000 5 000 5 000 5 000 Capacity 200V 3ph 3 472 3 472 3 472 3 472 3 472 Capacity 230V 3ph n a 4 592 4 592 4 592 4 592 Capacity 240V 3ph n a 5 000 5 000 5 000 5 000 Capacity 380V 3ph n a 4 192 4 192 4 192 4 192 Capacity 415V
35. d air sensor Push rod 159204P1 159137P1 Linkage ball type Filter 20 2 x 16 x 32 5 129645P1 138447P2 38 Parts Table 25 Motor parts heater Economizer 4 ton units Part Name Description Condenser fan motors 4 Ton ET047N ET347N ET047M ET347M ET048P ET348P 048 48 048 ET348A 200 230V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60Hz 208 230V 3Ph 60Hz 460V 3Ph 60Hz Standard Motor 1 3 Hp 200 240V std 159266 1 Motor 1 3 Hp 380 460V std 159266P2 Fan prop 4 blade 24 28 deg High ambient option 159241P2 1 2 Hp 200 240V high amb 159265 1 1 2 Hp 380 460V high amb 159265P2 Fan prop 4 blade 24 24 deg Capacitor run 10uF 370V 159241P1 B03 0030 Motor mount Evaporator fan motors 159175P1 Motor 1 2 Hp dual 200 230V 159267P1 Motor 1 2 Hp dual 380 460V 159267P2 Blower CW 159254P2 Blower CW 159254P1 Capacitor run 10uF 370V B03 0030 Motor mount 159263P1 Mount bolt 100061 Mount nut S 3380 Grommot washer 127843P1 Screw 147993P1 Grommot tube 127843P2 Spacing sleeve Heaters optional 127843P3 el ol al ala a a 5 sch l al a olalalaealalalalalala ol a al ala olalalaealal al a a Heater ele
36. de air For applications above 46 1 C 115 F use high ambient option 22 Specifications Table 9 Technical data 50 Hz continued Model ET047 ET347 ET059 ET359 Compressor type Net capacity data based on 26 6 C 80 F DB 19 4 C 67 F WB indoor ambient kW BTUH Scroll Scroll Outdoor ambient 29 4 Total 12 22 41700 14 97 51100 85 F Sensible 9 73 33200 10 78 36800 35 0 C Total 11 66 39800 14 36 49000 95 F Sensible 9 52 32500 10 55 36000 40 6 C Total 11 05 37700 13 68 46700 105 F Sensible 9 32 31800 10 28 35100 46 1 C Total 10 43 35600 13 01 44400 115 F Sensible 9 08 31000 10 05 34300 Net capacity data based on 23 9 C 75 F DB 16 9 C 62 5 F WB indoor ambient kW BTUH Outdoor Ambient 29 4 C Total 11 43 39000 14 03 47900 85 F Sensible 9 46 32300 10 55 36000 35 0 C Total 10 90 37200 13 45 45900 95 F Sensible 9 26 31600 10 28 35100 46 1 C Total 10 34 35300 12 83 43800 115 F Sensible 9 02 30800 10 05 34300 46 1 C Total 9 76 33300 12 13 41400 115 F Sensible 8 79 30000 9 76 33300 Evaporator Air Flow Dry Coil Derate ESP by 0 15 IN WG 50 Pa for ET347 and ET359 External Static Pressure M hr 0 0 Pa 0 0 IN WG 2870 1690 2870 1690 25 Pa 0 1 IN WG 2700 1
37. e as Filter drier 128177P1 1 7 10 10 1 10 1 AIST AIST Thermal expansion valve 4T Condenser coil Evaporator coil 159235 1 159237 1 159264 1 1 1 1 1 1 1 1 1 1 Crankcase heaters Strap style 240V recips 159202P1 Strap style 480V recips 159202P2 Strap style 240V scrolls 132102P1 Strap style 480V scrolls Soft start kit 132102P2 1C19540P1 Optional feature guantity 1 as reguired 31 Parts Table 18 Refrigeration system parts 5 ton units 5 Ton ETO59N ET059M ETO60P ETO60Y 060 59 ET359M ET360P ET360Y ET360Y Figure Part Name 200 230V 380 415V 208 230V 208 230V 460V Description 3Ph 50Hz 3Ph50Hz 1Ph 60Hz 3Ph 60 3Ph 60Hz Run capacitor scroll comp Cap 60uF 370V E13 2430 Compressors scroll Comp 200 240 3 132101P2 Comp 380 460 3 132101P3 Comp 200 230 1 132101P1 Pressure switches High pressure 400 psi 159482P1 1 1 1 Fan cycle switch 170 psi 159483P1 Optional feature quantity 1 as required Low Pressure 35 psi 159484P1 Optional feature quantity 1 as required Adj Pr Sw for Adj FCC P67 0110 feature 1 as M Filter drier 128177P1 Condenser coil 4 5T 159235P1 Evaporator coil 4 5T 159237P1 Thermal expansion valve 5T 159264P2 Crankcase heaters Strap style 240V scrolls 132102P1 Strap style 480V scrolls 132102P2 1 Soft start kit 1C19540
38. e Switch The low pressure switch is mounted in the compressor suction line Electri cally it is connected in series with the compressor start circuit which will shut down the compressor and condenser fan if the suction pressure drops below 35 PSIG 241 kPa The switch will automati cally reset once the system pressure rises above its cut in setting 60 psig 5 psig 414 kPa 34 This protects the InteleCool2 in the event the evaporator fan fails the filter becomes clogged or there is a loss of refrigerant If the call for cooling is present the compressor will start after the 3 minute anti short cycle time Low Pressure Bypass Timer A low ambient temperature start relay is included with the low pressure option This relay locks out ignores the low pressure switch on start up until the system pressure stabilizes This bypass relay is adjustable and should be set for 3 minutes greater than the anti short cycle timer setting This option can be used for applications down to 50 F 10 C For con trol down to 20 F 28 9 C use the T pack1 and T pack2 options which include fan cycle control 13 Operation 5 4 4 5 4 5 5 4 6 5 4 7 T pack1 package Includes a low pressure switch low pressure bypass timer described above and fan cycle control Fan Cycle Control Condenser Fan Cycling Control allows the InteleCool2 unit to provide cooling to the space when the outdoor ambient temperature is lower
39. e the system pressure rises above its cut in setting Low Pressure Bypass Timer Also known as the Condenser Low Ambient Control or Winter Start Option the low pressure switch is used when starting the system when the outdoor temperature is low A few minutes after start up the low pressure switch resumes normal operation This option can be used for applications down to 50 F 10 C For control down to 20 F 28 9 C use the T pack1 or T pack2 T pack1 This option provides a Low Pressure Switch a Low Pressure Bypass Timer described above and a Fan Cycle Control This option package is one of the preferred control packages for telecommunica tion industry applications The Fan Cycle Control also known as the Condenser Fan Cycling Control consists of a reverse acting pressure switch When the outdoor temperature is low the pressure switch cycles the condenser fan to maintain discharge pressures that will allow the systems to function It is to be used when the out door ambient temperature is lower than 50 F 10 C down to 20 F 28 9 C T pack2 This option includes a Low Pressure Switch a Low Pressure Bypass Timer described above and an adjustable Fan Cycle Control which acts as described in the preceding paragraph except that it is adjustable This option package is one of the preferred control packages for telecommunication indus try applications Ancillary Components Wall Mounted Thermostat The thermostat
40. eat 138457P2 147957P10 147957P1 138457P2 147957P10 147957 1 15 kW heat 138457P2 147957P3 147957P2 138457P2 147957P3 147957P11 Heater breaker Circuit breakers scrolls 138457P5 N A N A 138457P5 N A N A No heat 138457P9 147957P9 147957P8 138457 1 147957 5 147957 8 5 kW heat 138457P9 147957P9 147957P8 138457 1 147957 5 147957 8 10 kW heat 138457P2 147957P10 147957 1 138457 2 147957 10 147957 1 15 kW heat Heater breaker Contactor compressor 138457P2 138457P5 147957P3 147957P2 138457P2 138457P5 147957P3 147957P11 2 pole E 011B 3 pole 124501P1 3 pole Contactor heater 5 kW E 0110 2 pole E 013A 3 pole Contactor heater 10 kW 124501P1 2 pole 3 pole E 011C 124501P1 3 pole Contactor heater 15 kW E 0110 2 pole 2 pole 3 pole 3 pole Contactor evaporator fan Contactor evaporator fan Contactor condenser fan 11 8 Time delay relay anticycle 148089P1 11 16 11 10 Heater interlock relay Terminal strip 10 position Wall thermostat 1 stage E03 0170 159468P1 138968P1 Thermostat base Optional features 138940P1 Time delay relay LP bypass 138491P1 Optional feature guantity 1 as reguired Economizer relay E03 0170 Optional f
41. eature quantity 1 as required Lockout relay Common alarm assembly E 0130 Optional feature quantity 1 as required Air flow switch B02 0190 Optional feature guantity 1 as reguired T D relay E 3530 Optional feature guantity 1 as reguired Relay R1 E03 0170 Optional feature quantity 1 as required Relay R2 Thermostat E03 0170 Optional feature quantity 1 Optional feature quantity 1 as required as required 34 Parts Table 21 Figure No Electric panel parts 4 ton unit Part Name Description Transformer 208 230V 159463P 1 4 Ton ET047N ET347N ET047M ET347M ET048P ET348P 048 48 048 ET348A 200 230V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60Hz 208 230V 3Ph 60Hz 460V 3Ph 60Hz Transformer 360 460V Circuit breakers scrolls 159463P2 No heat 147957P10 147957 1 138457P4 147957P10 147957P1 5 kW heat 147957P10 147957 1 138457 4 147957 10 147957 1 10 kW heat 147957P10 147957P11 138457P2 147957P10 147957 1 15 kW heat 147957P6 147957P2 138457P2 147957P6 147957P2 Heater breaker Contactor compressor N A N A 138457P5 N A N A 2 pole E 011C 3 pole 124501P1 3 pole E 0110 Contactor heater 5 kW 11 9 2 pole E 013A 11 9 3 pole Contac
42. eration system is a reciprocating hermetic compressor The compressor features a suction gas cooled motor internal centrifugal oil pump vibration isolating mountings internal thermal overloads and crankcase heater Scroll Compressor 4 and 5 Ton Units The quiet and efficient scroll compressor features a suction gas cooled motor internal centrifugal oil pump vibration isolating mountings and internal thermal overloads Refrigeration System The refrigeration circuit includes a liquid line filter drier an externally equalized expansion valve and a high pressure switch Evaporator Coil The evaporator coil is constructed of mechanically expanded copper tubes in enhanced surface alumi num fins A coated galvanized steel condensate drain pan is provided Condenser Coil The air cooled condenser coil is constructed of mechanically expanded copper tubes in enhanced sur face aluminum fins Components rated for up to 115 F 46 C ambient Evaporator Blower Evaporator air is supplied by a direct drive blower package Fans are centrifugal double width dou ble inlet Filter The filter is 2 inches deep pleated with a minimum efficiency rating of 20 based on ASHRAE stan dard 52 1 Located within the cabinet the filter is serviceable from the front of the unit Cabinet The exterior cabinet is constructed of painted steel Internal structural parts including base are hot dipped galvanized steel The evaporator compartment is in
43. essor contactor not pulling in Check with gauges Check voltage at contactor If not present refer to print and determine voltage loss Check enthalpy sensor for full CCW or D setting No output from thermostat Check operation of stat Should have voltage output to Y terminal during cooling Unit cycles on high pressure switch Loss or restriction of air flow Check condenser blower assembly for proper operation Check for dirty coil or inlet grille restriction Defective fan cycling control Switch should make 240 PSIG 10 1655 kPa 68 9 Check settings on adjustable switch when supplied Heat does not operate No voltage output from thermostat Check stat for proper output to W terminal Fuseable link blown Check for open and replace Bad contactor Check for open and replace 27 Maintenance Inspection Checklist 9 0 MAINTENANCE INSPECTION CHECKLIST Liebert InteleCool2 Date Prepared by Model Serial 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 2221 Check for leaks 2 Vibration isolation Air Cooled Condenser 1 Condenser coil clean ___ 2 Motor mount tight ___ 3 Bearings free 4 Refrigerant lines properly suppo
44. essure exceeds the cutout setting High suction pressure reduces the ability of the refrigerant to cool compressor components and can result in compressor damage Refer to Table 4 High side gauge port is a liquid line connection Proper procedures should be followed when installing and removing gauges A 6 foot 1 8 m hose can hold up to 3 oz 0 10 of refrigerant Be sure to purge high side to low prior to removal Table 4 Pressure information Design Minimum Maximum Pressures psig kPa psig kPa psig R 22 R 22 Suction 35 241 90 620 Liquid Approx PSIG kPa 95 F 35 C Ambient 250 290 1723 2000 Maximum 360 380 2480 2618 High Pressure Cutout 400 2756 Based on indoor conditions of 80 F 26 7 C 50 RH with clean filter s 18 Specifications 7 0 SPECIFICATIONS 7 1 Dimensional Data Figure Dimensional data Entrance for high volt connections 1 11 16 43 for low volt connections Shaded areas indicate a recommended clearance of 34 864mm in front and 30 762mm each side or 36 914mm when mounted adjacent to another unit for component access For recommended minimum clearances refer to 2 1 2 Location Con siderations See Table 5 below for dimensions Table 5 InteleCool2 dimensional data in mm Dimensional Data in mm InteleCool Model Wu Ws Wf A B D E F G H J K L
45. h a non adjustable expansion valve so no adjustments are possible To adjust the superheat setting when an adjustable valve is used 1 Remove the valve cap from the base of the valve 2 Turn the adjustment stem counter clockwise to lower the superheat 3 Turn the adjustment stem clockwise to increase the superheat NOTE Make no more than 1 4 turn of the stem at a time As long as 80 minutes may be required for the new balance to take place To determine superheat Measure the temperature of the suction line at the point where the TEV bulb is clamped Obtain the gauge pressure at the compressor suction valve Add the estimated pressure drop between bulb location and the suction valve Convert the sum of the two pressures to the saturated temperature Subtract this temperature from the actual suction line temperature The difference is superheat ni E Air Cooled Condenser Restricted airflow through the condenser coil will reduce the operating efficiency of the unit and can result in high compressor head pressure and loss of cooling Clean the condenser coil each time the evaporator filters are replaced Check for bent or damaged coil fins and repair as needed Check all refrigerant lines for leaks Clean the condenser coil of all debris that will inhibit airflow This can be done with compressed air or commercial coil cleaner Compressor Infrequently a fault in the motor insulation may result in a motor burn Howeve
46. he actuator is 24 spring return device that will fully close the Economizer damper The actuator has internal controls that allow it to oper ate based on signals from the enthalpy control and mixed air sensor Heating Optional On units supplied with optional resistance heating a call for heating closes the heat relay and ener gizes the evaporator fan and resistive elements 12 Operation 5 4 5 4 1 5 4 2 5 4 3 Unit Controls Remote Control Interface Control connections to the InteleCool2 unit use customary HVAC terminal designations R G W amp Y Contact closures between the 24 VAC R and different control connections supply control voltage to the electric panel components responsible for the desired function Operating modes are controlled by contact closures as follows Table 2 Operating modes contact closures Connection Operating Mode R 24 VAC G Evaporator Fan W Heating Y Cooling compressorized or Economizer Wall mounted thermostats are to be low voltage snap action or mercury type Un manned sites should use HEAT COOL AUTO type subbase to provide automatic switchover during climate changes High Pressure Standard The high pressure switch is mounted in the liquid line Electrically it is connected in series with the compressor start circuit which will shut down the compressor and condenser fan if the liquid pres sure exceeds 400 PSIG 2758 kPa This protects
47. igure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 FIGURES Model number 5 iv Unit mounting dimension UE RE NR e a uy 5 Low volt wiring terminals ea 7 Mounting minimum position potentiometer on 8 Refrigeration systems steer mint sacs il ea le t en soto pte ve end 11 Hnthal py control selime ies pusa una AG zum 12 Dimensional daba xs eem wise ol hls ath EE Us ee anh eae fate 19 Condenser piping 41 Crankcase heater reciprocating compressor 41 Hy aporator E a Chae ern OE 42 Evaporator coil and expansion 42 55 ote ST a re rer DEE a ve eei a ce oe tug ere 43 Heater assembly ee RED A eus 44 Economizer assembly e d 45 Com
48. ing on heaters Refrigeration System Each month the components of the refrigeration system should be inspected for proper function and signs of wear Since in most cases evidence of malfunction is present prior to component failure peri odic inspections can be a major factor in the prevention of most system failures Refrigerant Lines Check all refrigerant lines and capillaries for vibration isolation and support as necessary Visually inspect all refrigerant lines for leaks Discharge Pressure Discharge pressure can be increased or decreased by load conditions or condenser efficiency The high pressure switch will shut the compressor contactor at its cut out setting of 400 PSIG 2758 kPa See 5 4 2 High Pressure Standard 15 Maintenance 6 5 3 6 5 4 6 6 Thermostatic Expansion Valve The thermostatic expansion valve TEV keeps the evaporator supplied with enough refrigerant to satisfy load conditions It does not turn the compressor on or off but maintains proper refrigerant super heat in the suction gas to the compressor Determine TEV operation by measuring superheat If too little refrigerant is being fed to the evapora tor the superheat will be high if too much refrigerant is being supplied the superheat will be low The correct superheat setting is between 10 and 15 F 5 5 and 8 3 C under normal load conditions and steady state operation Some models of InteleCool2 will be supplied wit
49. ing sleeve 127843P3 Heaters optional Heater element 5kW 240V 159170P1 Heater element 5kW 277V 159170P2 Heater element 10kW 240V 159170P3 Heater element 10kW 277V 159170P4 Heater element 15kW 240V 159170P5 Heater element 15kW 277V 159170P6 Fuse link safety 147896P1 3 Therm switch safety 5kW R 013A 1 Thermswitch safety 10 15kW R 013B 1 Jumper wire 146807G1 4 Economizer optional Actuator motor spring return 159115P1 Optional feature guantity 1 as reguired KRY BR Pi KR oa gt sch al a oa T BR BR KR oa aya a ao 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 4 4 2 4 3 Min position potentiometer 159471P1 Optional feature quantity 1 as required Enthalpy control 138401P1 Optional feature quantity 1 as required Mixed air sensor 159204 1 as required Push rod 159137P1 as required Linkage ball type 129645 1 as required Filter 20 2 x 16 x 32 5 138447P2 37 Parts Table 24 Part Name Description Condenser fan motors Motor parts heater Economizer 3 ton units 3 Ton ET035S ETO35N ET035M ET036P ET036Y ETO36A 220 240V 1Ph 50Hz 200 240V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60Hz 208 230V 3Ph 60Hz 3 460V 3Ph 60Hz Standard Motor 1 8 Hp 208 230V std 159206 1 Motor 1 8 Hp 380 460V
50. it wiring is correct for the actual input power Some units are built with multi voltage serial tags The transformer may need to be re tapped if the actual input voltage is differ ent see serial tag and electrical schematic Route the supply power to the customer supplied disconnect switch if required and then to the unit circuit breaker inside the unit Route the conduit to the hole provided in the cabinet Connect the earth ground to the lug provided near the circuit breaker Refer to the unit wiring diagram supplied on the inside of the electrical enclosure cover CAUTION The optional three phase scroll compressor must rotate in the correct direction to ensure proper system operation Wiring must be phased and connected as shown PHASE to T1 or L1 PHASE P to T2 or L2 PHASE C to T3 or L3 Control Connections Control wiring will be required for the remote control device This remote device may be a factory or field supplied wall thermostat or similar device Connections to the unit are made using customary HVAC low volt wiring terminals R G W and Y For detailed locations of the low volt wiring termi nals please refer to the Figure 11 Electric panels Installation Figure 2 Low volt wiring terminals NE Nat m x n mn e e e e 3 4 LIEBERT P N 159468P1 Liebert Thermostat See 2 5 2 Control Connections for further information refer to the detailed instruc
51. izer damper The damper position will be controlled based on the mixed air tempera ture in the evaporator section The factory set mixed air temperature target is 50 56 F 10 18 The amount of damper opening depends on the cooling capacity of the outside air the cooler the out side air the less that is needed to cool the room and so a smaller damper opening is required As the outside air temperature rises the damper will open wider since more of that air is required to keep the room at the same temperature The Economizer and compressorized cooling will never operate at the same time If outdoor conditions meet the required enthalpy sensor setpoint during a cooling cycle the unit will automatically shut down the compressor and begin using outside air Enthalpy Sensor The enthalpy sensor responds to the total heat content of the outdoor air to provide changeover from compressorized cooling to free cooling operation The changeover point is factory set at the D posi tion This setting will ensure rated capacity when the outdoor conditions allow for Economizer cooling Figure 5 Enthalpy control setting 3 2 2 5 3 70 65 60 m Enthalpy Control D 55 Operating Range E 8 50 45 40 10 20 30 40 50 60 70 80 90 Outdoor Relative Humidity RH Actuator The Economizer actuator is mounted in the lower part of the Economizer section below the electric box It is accessible by opening the lower front panel T
52. leCool2 unit with scroll compressor is less than the compressor critical charge High Ambient Condenser This option is provided for applications where the ambient temperature exceeds the normal design capabilities of the units It consists of a condenser motor and fan blades which are sized to provide additional airflow across the condenser coil Designed for applications up to 125 F 51 C ambient Heat Heat is provided in a single stage from an open wire electric resistance element Heating capacity options available are 5 kW 10 kW and 15 kW depending on unit model size Economizer The Economizer allows outside air to be introduced to the space through the evaporator filter when conditions are favorable for Economizer cooling It contains a modulating damper spring return direct drive actuator enthalpy control for switchover outside air hood and a mixed air controller set at 55 F 12 8 C Mechanical cooling and Economizer operation do not operate simultaneously Fresh Air Damper Allows outside air to be brought in to meet indoor air requirements Air is drawn in through the evap orator filter The amount of air to be introduced to the space is field selectable Panel Colors Optional color choices for the steel panels are almond light tan the color option for the original InteleCool desert brown or bright white Lockout Relay The lockout relay latches the detection of a high pressure condition in the refrigeration circui
53. lues shown in Table 5 and Table 6 Indoor discharge air rates are also given in the same tables Electrical Connections WARNING Use voltmeter to make sure power is turned off before making any electrical connections CAUTION Refer to electrical schematic when making connections Each unit is shipped from the factory with all internal wiring completed Refer to the electrical sche matic when making connections Electrical connections to be made at the installation site are line voltage power supply to the power input and control wiring to remote control customer supplied or Liebert option DO NOT RUN CONTROL WIRING WITH HIGH VOLTAGE Power Connections All power and control wiring and ground connections must be in accordance with the National Electri cal Code and local codes Use copper wiring only Make sure that all connections are tight Make sure that the voltage supplied agrees with the voltage specified on the unit nameplate The InteleCool2 comes standard with a factory installed circuit breaker accessible through an external access panel An external wall mounted power disconnect switch field supplied may be required for local codes If necessary this switch should be wired according to those codes For access to the electrical enclosure Remove the screws securing the middle panel and pull the panel down and forward to remove Remove the screws securing the electric box cover and remove cover Verify that the un
54. ment 5kW 240V 159170P1 Heater element 5kW 277V 159170P2 Heater element 10kW 240V 159170P3 Heater element 10kW 277V 159170P4 Heater element 15kW 240V 159170P5 Heater element 15kW 277V 159170P6 Fuse link safety 147896P1 Therm switch safety 5kW R 013A Therm switch safety 10 15kW R 013B Jumper wire Economizer optional 146807G1 Actuator motor spring return 159115P1 Min position potentiometer Enthalpy control 159471P1 138401P1 Mixed air sensor 159204 1 13 7 Push rod Filter 20 2 x 21 x 36 25 159137P1 138447P3 1 39 Parts Table 26 Motor parts heater Economizer 5 ton units Part Name Description Condenser fan motors 5 Ton ETO59N ET359N ET059M ET359M ET060P ET360P ETO60Y ET360Y 060 ET360Y 200 230V 3Ph 50Hz 380 415V 3Ph 50Hz 208 230V 1Ph 60Hz 208 230V 3Ph 60 460V 3Ph 60Hz Standard Motor 1 3 Hp 200 240V std 159266 1 Motor 1 3 Hp 380 460V std 159266P2 Fan prop 4 blade 24 28 deg High ambient option 159241P2 1 2 Hp 200 240V high amb 159265 1 1 2 Hp 380 460V high amb 159265P2 Fan prop 4 blade 24 24 deg 159241P1 Capacitor run 10uF 370V B03 0030 Motor mount Evaporator fan motors 159175P1 Motor 1 2 Hp dual
55. mon alarm 45 Soft start device c tee dw EE e ede e erae Rar UR RN t e 46 TABLES Mountingdimensionaldata a 5 Operating modes contact 13 Recommended applicationsforcontroloptions 13 Pressure amtormatlon ARA sakal a de er a 18 InteleCool2 dimensional data in mm 19 Bechn cak data 60 Hz vert afe ele ata teh lee CORE RU e OS RUE Ra e redet a er era a TCU 20 Technical data 60 Hz 21 Veehnicalidata d0 EE 22 Technical data 50 Hz 23 Optional heater capacity 60 2 24 Optional heater capacity 50 2 24 Electrical data 60 25 Electricaldata 50OHz amps nn 26 Troubleshooting guide 27 Refrigeration system parts 1 5 2 ton 29 Refrigeration system parts ton
56. nect minimum position potentiometer to terminals P and P1 See Figure 3 T and T1 are disconnected 3 Reconnect 24 VAC to terminals TR and TR1 and adjust potentiometer for desired minimum position by turning Q709 adjustment screw clockwise to increase minimum position counterclockwise to decrease minimum position Figure 3 Mounting minimum position potentiometer on actuator Push onto actuator Checklist for Complete Installation 3 0 CHECKLIST FOR COMPLETE INSTALLATION Proper clearance for service access has been maintained Equipment is level and mounting fasteners are tight Ducting completed if required Line voltage to power wiring matches equipment nameplate Power wiring connections completed to disconnect switches including earth ground Proper phase rotation has been observed so that scroll compressor will rotate in the correct direction Power line circuit breakers or fuses have proper ratings for equipment installed Control wiring connections completed to optional controls All wiring connections are tight Foreign materials have been removed from in and around all equipment installed shipping materials construction materials tools etc Fans and blowers rotate freely without unusual noise WARNING Potentially lethal voltages exist within this equipment during operation Observe all cautions and warnings in this manual Failure to do so could result in serious injury or death Only qualified se
57. provides for heating cooling application with separate fan control Supplied with a thermostat sub base Indoor Supply Return Grilles The supply grille is an aluminum louvered double deflection type grille allowing user adjustment of direction of air distribution The return grille is an aluminum louvered fixed single deflection style grille Additional Spare Filters Additional sets of the 2096 efficiency rated filters efficiency based on ASHRAE standard 52 1 may be selected Accessories Dual Unit Control The hinged cover dual unit control DUC has a two stage heat cool thermostat with individual heat ing and cooling setpoints adjustable interstage differentials and bimetallic elements The control features a solid state timer with 1 2 4 8 day sequence Unit lead selector unit 1 amp 2 power on LEDs unit 1 or 2 lead unit LEDs 48 hour program save on loss of power industry standard connections and 24V power from each unit The DUC provides auto sequencing and displays on status and operating status parameters Tele2 Control This microprocessor based controller controls two InteleCool2 units The unit has a 10 key keypad four row by 20 column LCD an RS 232 modem port and an RS 232 terminal port It allows up to eight customer selectable 1solated normally open dry contact alarm inputs The Tele2 control requires either a THS28 30 or a THS28 60 sensor assembly Models are available for 120 50 60 1 VAC 230 50 60 1 VAC or
58. r in a properly installed system burnouts rarely occur Of those that do most are the result of mechanical or lubrica tion failures resulting in the burnout as a secondary consequence If the problems that can cause compressor failures are detected and corrected early a large percent age can be prevented Periodic maintenance inspections by alert service personnel on the lookout for abnormal operation can be a major factor in reducing maintenance costs It is easier and far less costly to take the steps necessary to ensure proper system operation than it is to allow a compressor to fail and require replacement When troubleshooting a compressor check all electrical components for proper operation including all fuses and circuit breakers and pressure switch operation If a compressor failure has occurred determine whether it is an electrical or mechanical failure Mechanical Failure A mechanical compressor failure will not be indicated by a burned odor The motor will attempt to run If you have determined that a mechanical failure has occurred the compressor must be replaced 16 6 6 1 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 occur correct the problem that caused the burnout and clean the system thoroughly using the proper procedure It is important to note that successive
59. rted Refrigeration Cycle 1 Check suction pressure Check head pressure 2 3 Check superheat 4 Evaporator coil clean 5 Insulation intact Electric Panel 2221 Check electrical connections 2 Check operational sequences Notes Signature Make photocopies of this form for your records 28 Parts 10 0 PARTS Table 15 Refrigeration system parts 1 5 and 2 ton units 1 5 Ton 2 ET017S ETO18P ETO23S ETO23M ETO24P ETO24Y 024 220 240V 208 230V 220 240V 380 415 208 230V 208 230V Description 1Ph 50Hz 1Ph 60 2 1 50Hz 3Ph 50 2 1 60 3Ph 60Hz Run capacitor recip comp 25uF 370V C03 005A Cap pue 370V 1A19537P1 Cap 30uF 370V 1A19537P1 Cap 40uF 370V 1 19538 1 N A Compressors reciprocating Comp 220 240 1 146301P1 Comp 208 230 1 60 146300P1 Comp 208 230 1 60 146303P2 Comp 380 460 3 159147P2 Comp 208 230 1 146303P1 Comp 200 240 3 159147P1 Comp 220 240 1 156204P1 Comp 200 230 1 159146P1 Comp 220 240 1 138493P2 Comp 380 460 3 148324P2 Comp 200 230 1 159145P1 Comp 208 230 3 159148P1 Comp 380 460 3 159148P2 Pressure switches High pressure 400 psi 159482P1 1 1 1 Fan cycle switch 170 psi 159483P1 Optional feature quantity 1 as required Low pressure 35 psi 159484P1 Optional feature quantity 1 as required Pr Sw for Adj
60. rvice and maintenance personnel should work with this equipment Start Up Procedure 4 0 START UP PROCEDURE Verify that installation is complete by using the Checklist for Complete Installation 1 2 3 papa Disconnect all power to the InteleCool2 unit Adjust remote control to prevent compressor heat and fan operation Turn on main breaker and check line voltage on main unit disconnect switch Line voltage must be within 10 volts of nameplate voltage Turn ON main unit disconnect switch and check secondary voltage at transformer T1 Voltage at T1 must be 24 VAC 2 5V From the remote control verify proper operation in all modes Make sure all blowers fans and the scroll compressor are rotating in the correct direction Check the current draw on all line voltage components and compare with unit nameplate Check adjustment of the optional outside air damper for the desired balance between the flow of room air and outdoor air Use a gauge or non polluting airflow indicator NOTE If the unit is supplied with crankcase heaters Liebert recommends that the high voltage be applied between four and six hours before start up 10 Operation 5 0 OPERATION 5 1 Compressorized Cooling Compressorized cooling is provided by a high efficiency system consisting of a compressor thermo static expansion valve evaporator and condenser coil The InteleCool2 uses R 22 refrigerant in a conventional
61. s 18 inches 457 mm apart However this will make the units more difficult to service In such situations consider the compressor location option for improved serviceability Before mount ing units check local codes for applicable clearances Equipment Inspection Upon delivery of the unit inspect all items for visible damage Concealed damage may be discovered later during installation Report any damage to the shipper immediately and file a damage claim Also forward a copy of the damage claim to your Liebert supplier Unit Installation The InteleCool2 unit is installed against and through an outside wall Two 2 openings in the wall are required for the evaporator supply and return Provide 1 2 clearance on wall openings for supply and return air Install the unit in a level position to assure proper refrigerant flow oil return and condensate drain To install the unit follow the instructions below 1 Verify that an adequate structural support is provided for the unit 2 Using a chalk line mark the outside wall with a level horizontal line where the bottom of the unit is to rest 3 Prepare supply and return openings in an outside wall measuring up from the chalk base line 4 Prepare mounting holes The mounting holes may be pilot holes for lag screws or clearance holes for bolts that will extend completely through the wall Refer to Figure 1 for the location of these holes 5 Fasten the unit mounting base angle to the o
62. s manual Failure to do so could result in serious injury or death Only qualified service and maintenance personnel should work with this equipment Filters Replaceable evaporator air filter s are supplied with the unit The filter s are easily serviceable from the outside through the 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 and changed as required Units supplied with Economiz ers may require replacement filters more frequently because of airborne dust and organic materials Filters can be replaced from the front by opening the lower front access panel WARNING Power must be OFF while replacing the filter Blower Package Periodic checks of the blower package include blower wheels housings motor and motor mounting bracket With the power off inspect and remove any debris from the wheels and housings Also check to see that they are tightly mounted on the motor shaft and rotate freely without rubbing against the housing WARNING POWER MUST BE OFF WHILE INSPECTING THE BLOWER EQUIPMENT Economizer Optional Each month the Economizer should be inspected and any debris removed from the intake hood damper blade and enthalpy sensor Heat Heaters can be serviced and or removed from inside through the discharge opening or from outside by removing the top A WARNING Power must be OFF while work
63. s of the compressor NOTE Release of refrigerant to the atmosphere is harmful to the environment and is unlawful Refrigerant must be recycled or discarded in accordance with federal state and local regulations 4 Disconnect all electrical connections 5 Remove failed compressor CAUTION The optional three phase scroll compressor must rotate in the correct direction to ensure proper system operation Wiring must be phased and connected as shown PHASE A to T1 or Ll PHASE to T2 or L2 PHASE C to or L3 6 Install replacement compressor and make all connections 7 Pressurize and leak test the system at approximately 150 PSIG 1034 kPa pressure 8 Follow manufacturer s instructions for cleanout kits 17 Maintenance 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 third 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 refrigerant charge amount 11 Apply power and operate system Check for proper operation Suction and discharge pressures will vary with load conditions and coil efficiency The low pressure switch will shut the compressor down if the suction pressure falls below the cutout setting Conversely the high pressure switch will shut down the compressor if the discharge pr
64. specific instructions may damage the control and or the unit and void the warranty NOTE Q This control contains mercury in a sealed tube Do not place control in the trash at the end of its useful life If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control or of an old control containing mercury in a sealed tube If you have questions call the thermostat manufacturer Honeywell at 800 468 1502 Tele2 Consult the Tele2 user manual for installation instructions Installation 2 6 Outside Air Damper Optional Units supplied with fixed non modulating outdoor air damper can be adjusted as follows 1 Remove the screws from the middle panel and remove panel 2 Loosen the damper plate screws on the backside of the middle panel 3 Adjust the damper plate to the desired position and tighten damper plate screws 4 Replace panels 2 7 Economizer Optional Installation Insert the top flanged edge of the Economizer hood into the Economizer opening on the unit front panel Next attach the bottom left and right corner of the hood with screws supplied Adjustment Units supplied with Economizer requiring outside air can be adjusted as follows 1 Run motor to fully closed position and disconnect 24 VAC from terminals TR and TR1 2 Con
65. sulated with 1 2 thick 2 Ib density neo prene faced fiberglass insulation Control Interface The unit is supplied with customary HVAC wiring designations R G W Y inside the low voltage partition of the unit electric box The control interface can be provided by sources ranging from a wall mounted thermostat a Liebert control and monitoring system or a third party building management control Introduction 1 3 Optional Features 4 or 5 Ton Unit With 3 Ton Openings The 4 or 5 ton units with 3 ton supply and return openings are designed to replace 3 ton wall mounted air conditioners using existing wall openings The economizer fresh air option is not available Return filter is located in the return air grille and must be selected from accessory equipment Scroll Compressor Optional on 1 5 2 and 3 Ton Units The quiet and efficient scroll compressor features a suction gas cooled motor internal centrifugal oil pump vibration isolating mountings and internal thermal overloads Compressor Location The standard compressor location is on the right when viewing the unit when it is mounted on the wall The optional compressor location is on the left to improve serviceability of the compressor when the unit is installed as one unit of a pair Compressor Crankcase Heater An optional compressor crankcase heater is available for use with the scroll compressor but is not required because the refrigerant charge of the Inte
66. t and prohibits operation of the compressor until the abnormal pressure conditions are acknowledged The lockout relay is reset by cycling the unit main power or by changing the setpoint on the thermostat to temporarily eliminate a call for cooling A normally open set of contacts is provided to terminals 2 and 3 of the customer terminal strip for monitoring the status of the lock out relay when this option is sup plied without the Common Alarm option Common Alarm The common alarm provides the necessary components to detect high pressure low pressure high temperature or loss of indoor airflow and to provide a customer signal via a contact closure To detect low pressure the optional low pressure switch with bypass T pack1 or T pack2 must also be selected Soft Start Provides a PTC resistor to assist the start of the compressor motor in low voltage operation Available only on single phase units Introduction 1 3 1 1 4 1 5 Refrigeration System Options Low Pressure Switch and Low Pressure Bypass Timer Low Pressure Switch Used to protect the InteleCool2 if the evaporator blower fails the air filter becomes clogged the refrigeration circuit malfunctions or if there is loss of refrigerant The low pres sure switch is activated when the suction pressure drops below its cutout setting When activated the low pressure switch inhibits operation of the compressor and condenser fan The switch will automat ically reset onc
67. tions that ship with the thermostat NOTE Q This control contains mercury in a sealed tube Do not place control in the trash at the end of is useful life If this control is replacing a control that contains mercury in a sealed tube do not place your old control in the trash Contact your local waste management authority for instructions regarding recycling and the proper disposal of this control or of an old control containing mercury in a sealed tube If you have questions call the thermostat manufacturer Honeywell at 800 468 1502 Dual Unit Control The InteleCool Dual Unit Control is designed to control two InteleCools in a lead lag fashion The control contains an electronic timer for switching the operating sequence of two units on a one two four or eight day basis It also contains a two stage heat two stage cool thermostat with individual heat and cool set points Light emitting diodes LEDs indicate Lead Unit 1 or 2 and power from Unit 1 or 2 The schedule for lead lag switchover is adjustable by moving jumpers on the printed cir cuit board A jumper is also used to change lead and lag unit before a scheduled changeover if neces sary for servicing A WARNING The original Dual Unit Control part 153054G1 produced through March 2002 is phase sensitive The latest version Dual Unit Control Part 171170G1 is not Please refer to specific installation instructions supplied with each control Failure to follow
68. tor heater 10 kW 124501 1 2 pole 011 3 pole 124501P1 3 pole Contactor heater 15 kW E 0110 2 pole 2 pole 3 pole 3 pole Contactor evaporator fan Contactor evaporator fan 11 8 11 16 Contactor condenser fan Time delay relay anticycle Heater interlock relay 148089P 1 E03 0170 1 1 1 1 1 1 1 1 1 11 10 Terminal strip 10 position 159468 1 1 Wall thermostat 1 stage 138968 1 Thermostat base 138940 1 Optional features 1 Time delay relay LP bypass 138491 1 Optional feature quantity 1 as required Economizer relay E03 0170 Optional feature quantity 1 as required Lockout relay Common alarm assembly E 0130 Optional feature quantity 1 as required Air flow switch B02 0190 Optional feature guantity 1 as reguired T D relay E 3530 Optional feature guantity 1 as reguired Relay R1 E03 0170 Optional feature guantity 1 Relay R2 E03 0170 Optional feature guantity 1 as reguired Thermostat E 0230 as reguired Optional feature guantity 1 as reguired 35 Parts Table 22 Electric panel parts 5 ton unit 5 Ton 059 059 060 060 060 59 ET359M ET360P ET360Y ET360Y Figure
69. tric Co
70. utside wall with six 5 16 bolts or lag screws not supplied just below chalk line and centered on the opening in the wall WARNING Use caution and adequate equipment to safely handle unit Weight of each unit ranges from 330 to 490 Ibs 150 to 222 kg depending on model 6 With the unit front panel removed lift the unit onto the base angle making certain that the rear unit angle falls behind the turned up front edge of the mounting angle Insert top and side unit fasteners in holes and tighten drawing the unit into place Do not attach ducts to unit prior to installing unit 7 Caulk and flash the top and sides as required to form a watertight seal Top flashing not factory supplied is reeommended to ensure that water does not run behind unit All unit tops are sloped to allow water to run off Installation Figure 1 Unit mounting dimensions 11 11 11 279mm 279mm 279mm J K gt K v K G Am v K GE gt K See Table 1 below for keys to dimensions wv L Y M ref N Wf Table 1 Mounting dimensional data InteleCool 2 dimensional data in mm Model Wf A B D E G H J K L M N P 45 2 38 34 20 20 9 3 8 9 13 32 8 20 34 12 25 1 16 5 15 32 12 3 25 32 4 1 2 37 7 8 2 15 32 984 508 508 238 23

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