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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.
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i T ABLE OF CONTENTS 1.0 I NTRODUCTI ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii 6.5 Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6.5.1 Refrigerant Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iii FIGURES Figure i Model number designation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv Figure 1 Unit mounting dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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 .
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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 .
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 .
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.
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.
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 .
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 5.
Parts 45 Figure 13 Economizer assembly Figure 14 Common alarm assembly 2 1 3 6 5 4 7 1 3 2 5 4.
Parts 46 Figure 15 Soft start de vice T o compressor cap acitor 1.
Parts 47 Notes.
Parts 48.
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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.
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