Emerson ITR manuale d’uso

Precision Cooling For Business -Critic al C ontinuity™ Li eber t ® Ch al l enger ™ ITR T echnic al Dat a Man ual - R ow-Ba sed, Floor -Mounted Nominal 23 or 33kW Sy ste ms, Air -C ooled, W ater/G lyco l-Cooled , GL Y C OOL, Chilled W at er , Sp lit Systems, 50 & 60 Hz[...]

P RODUCT N OMENCLATURE NOTE Tables i , ii and iii show nomenclature for the complete ra nge of all available product options. Not all combinations are possible. For assi stance, contact your local dealer, Liebert representative or ca ll 1-800-543-2778. T able i Product model informa tion B F 042 A — A A E I Challenger ITR R = ITR, Horizont al Flo[...]

i T ABLE OF CONTENTS P RODUCT N OMENCL ATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I NSIDE F RONT C OVER 1.0 D EDICATED , P RE CISE E NVIRON MENT AL C ONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 Temperature Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

ii 5.2 Chilled Water System—Optional Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5.2.1 Chilled Wate r Flow Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5.2.2 High Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

iii 10.3 SCR Reheat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 10.4 High-Efficiency Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 10.5 High External Static Blowers . . . . . . . . . . . [...]

iv FIGURES Figure 1 Unit configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Figure 2 Unit configurations, continued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Figure 3 Microprocessor control [...]

v Table 26 Drycooler and pump package - 95°F (35°C) ambient * . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 Table 27 Liebert Challenger ITR el ectrical data— 50 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Table 28 Scroll compressor and main fan (for comparison only) . . . . . .[...]

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Dedicated, Precise Environmental Con trol 1 1.0 D EDICATED , P RECISE E NVIRONMENTAL C ON TROL For sensitive electronics, environmental control is more than simple cooling. “Comfort” air condition- ing systems are designed for the comfort of pe ople and simply ca nnot provide the kind of e nvironment required by high performance comp uter or co[...]

Precision Environmental Control for Industrial, T eleco mmunications, Me dical and Data Processing Equipment 2 2.0 P RECISION E NVIRONMENT AL C ONTROL FOR I NDUSTRIAL , T ELECOMMUNICATIONS , M EDICAL AND D AT A P ROCESSING E QUIPMENT Data processing power is moving from the specialize d environment of the computer room to the office and the factory[...]

Precision Environmental Control for Industrial, T eleco mmunications, Me dical and Data Processing Equipment 3 Figure 1 Unit configurations Chilled W ater , Self-Cont ained System W a ter-Cooled, Self-Contained System Plenum A vaila ble in two-way , three-way and four-way Free Discharge Grilles, Solid Plenum for d ucting or low-profile, cold-aisle [...]

Precision Environmental Control for Industrial, T eleco mmunications, Me dical and Data Processing Equipment 4 Figure 2 Unit configurations, cont inued Split Systems A vailable Scroll Compressor Glycol Pump Glycol Pipin g Drycooler Expansion T ank V- F r a m e Coil Scroll Compressor Remote Condenser Wa t e r S o u r c e (not supplied by Liebert) Ou[...]

Local Monitor ing Systems 5 3.0 L OCAL M ONITORING S YSTEMS Two levels of microprocessor control systems are avai lable providing precise control and monitoring of the critical space. The Advanced Micr oprocessor is standard, and the Advanced Microprocessor with Gr aphics is optional. The main co ntrol functions are simi lar for both controls. 3.1 [...]

Local Monitor ing Systems 6 3.6 Logging • Alarm history log: The Advanced Microprocessor di splays the 10 most recent alarms. The Advanced Microprocessor with Grap hics displays the most recent 60 alarms. Both provide a ti me and date stamp for each event • Run time log: Displays run time and hours for major comp onen ts (also allow s reset of [...]

Standard Features—All Systems 7 4.0 S T ANDARD F EATURES —A LL S YSTEMS 4.1 Cabinet and Frame The frame, 14 ga uge, MIG welded tubul ar and form ed steel, provides ma ximum support while 1" (25.4mm) deep steel panels with 1-1/2 l b. (.68 kg) insulation protect and quiet the system. The front door can be opened for service without shutting [...]

Standard Features—All Systems 8 4.6.1 Condensate Pump The condensate pump, mounted in the bottom of most units, is used for unit drain water only. Th e condensate pump is complete with sump, motor and pump a ssembly and automatic control. The standard mod el has single float. A d ual-float condensa te pump, which includes connection s to unit, co[...]

Chilled Water System—Standard and Optional Features 9 5.0 C HILLED W ATER S YSTEM —S T ANDARD AND O PTIONAL F EATURES 5.1 Chilled W ater System—St andard Features 5.1.1 Cooling Coil The chilled wa ter cooling coil is de signed for closed-loop applications using properly maintained water. It is constructed of copper tubes and alumi num fins. T[...]

Refrigeration Sys tems 10 6.0 R EFRIGERATION S YSTEMS Two versions are available: • Self-Contained Systems • Split Systems 6.1 Self-Cont ained Systems These systems feature a scroll compressor and cont rols, expansio n valve, hot gas bypass a nd evapora- tor coil in the room unit. Air-Cooled models also include a crankcase heater on the compres[...]

Air-Cooled System —S tandard and Optional Fe atures 11 7.0 A IR -C OOLED S YSTEM —S T ANDARD AND O PTIONAL F EA TURES 7.1 Air-Cooled, Self-Cont aine d Systems—St andard Features 7.1.1 Pump Down Control The compressor pump- down control is a ccomplished by a liquid -line solenoid v alve used in conjunc- tion with a low pressure switc h. 7.1.2 [...]

Air-Cooled System —S tandard and Optional Fe atures 12 7.3 Air-Cooled Split Syst ems—S tandard Features 7.3.1 Centrifugal Fan, Condensing Unit The centrifugal condensing unit’s copper-tube, al uminum-fin coil is equipped with low-temperature controls to ensure year-round operatio n to -20°F (-29°C ). The condensing un it is factory-wired, c[...]

Water/Glycol-Cooled Systems—Standard and Optional Features 13 8.0 W ATER /G LYCOL -C OOLED S YSTEMS —S T ANDARD AND O PTIONAL F EATURES 8.1 W ater/Glycol Self-Contained Systems—S tandard Features Liquid-Cooled Condensers A co-axial condenser provides ample capacity to handle the he at rejection needs of the sy stem while using a minimum of li[...]

Water/Glycol-Cooled Systems—Standard and Optional Features 14 8.4 W ater/Glycol-Cooled, Spli t System—Optional Features High Pressure The high pressure option for the condenser circuit consis ts of a two-way or th ree-way water regulat- ing valve an d condenser rated at 350 psig (2413 k P a) wa ter pressure. This option is req uired in appl i- [...]

GL YCOOL Systems —S tand ard and Optional Features 15 9.0 GL YCOOL S YSTEMS —S T ANDARD AND O PTIONAL F EATURES 9.1 GL YCOOL—Self-Cont ained Models Only The Liebert GLYCOOL free-cooling system is integr ated with a glycol-cooled Liebert Chall e nger ITR. At outdoor temperatures below 35°F (1.6°C), the Econ-O-Coil is capable of pro viding to[...]

GL YCOOL Systems —S tand ard and Optional Features 16 9.2.5 Drycooler The Liebert manufactured drycooler is constructed of aluminum with a copper tube aluminum fin coil. The low profile d esign features multiple direct drive propeller type fans , balanced to the heat rejection load. An integral, factory wired and te sted control panel redu ces in[...]

Optional Equipme nt—All Systems 17 10.0 O PTIONAL E QUIPMENT —A LL S YSTEMS 10.1 Steam Generating Humidifier Clean, pure steam is generated in a d isposable canist er that is complete with supply an d drain valves, electronic controls and steam distri butor. The humidifier is provided with an au tomatic flush cycle to lengthen servi ce life. An[...]

Optional Equipme nt—All Systems 18 10.3 SCR Reheat This reheat uses stainless steel elements and also includes the necessary sens ors and controls to pro- vide variable heat output to help maintain tighter contro l of room conditions, especially in lightly loaded applicati ons. (Contact factory for avai lable voltages.) Direct expans ion units on[...]

Optional Equipme nt—All Systems 19 10.9 Smoke Detector The smoke detector senses the return air, shuts do wn the uni t upon detection, and sends visu al and audible alarm. Dry cont acts are available for a remo te customer alarm. This smoke detector is not intended to functi on as or replace any room smoke detection sy stem that may be required b[...]

Comprehensive Moni toring Systems—Optional 20 11 . 0 C OMPREHENSIVE M ONITORING S YSTEMS —O PTIONAL You will find a full range of moni toring and cont rol systems, communication s modules designed to interface Liebert equipmen t with a variety of building manageme nt systems, plus stand-alone moni- toring, control and le ak detection devices. 1[...]

Comprehensive Moni toring Systems—Optional 21 Leak Detection Modules • Provide quick detection and locat ion of hazardous fluid leaks. Discrete Output Interface Card • Straightforward way to tie envi ronmental units to a building ma nagement system or alarm panel. Figure 10 Monitoring configurations Enterprise Monitoring Network Monitor ing S[...]

Comprehensive Mo nitoring Solutions—Optional 22 12.0 C OMPREHENSIVE M ONITORING S OLUTIONS —O PTIONAL 12.1 Liebert SiteScan ® Web Liebert SiteScan Web is a monitori ng solution for critical environmen ts that utilize a fa cility-view approach. The syst em enables communicati ons from Liebert environmental and power units—as well as many othe[...]

Comprehensive Mo nitoring Solutions—Optional 23 12.8 Universal Monitor The Universal Monitor keeps personne l on-site and at remote locations apprised of the st atus of equipment through local alarming and remote paging services. The panel will interf ace with anything th at closes an electrical contact and any device with a 4-20mA sig n al. To i[...]

System Data 24 13.0 S YSTEM D AT A T able 2 Liebert Challenger ITR air-cooled data—60 Hz System Type BR = Horizontal Flow Self-Contained Split Systems w/Outdoor Prop-Fan Condensing Unit w/Indoor Centrifugal Condensing Unit Indoor Unit BR 067A BR 060E BR 060E Net Capacit y Data BTU/H kW BTU/H kW BTU/H kW 100°F DB, 70°F WB (37.8°C DB, 21.1°C WB[...]

System Data 25 T able 3 Liebert Challenger ITR air-cooled data—60 Hz (continued) System Type Self-Contained Split Systems w/Outdoor Prop-Fan Condensing Unit w/Indoor Centrifugal Condensing Unit Indoor Unit BR 067A BR 060E BR 060E Infrared Humi difier - Standard Capacity - lb/hr (kg/hr) 11 (5) 11 (5) 11 (5) kW 4.8 4.8 4.8 Steam Generating Humidifi[...]

System Data 26 T able 4 Liebert Challenger ITR air-cooled data—50 Hz System Type BR = Horizontal Flow Self-Contained Split Systems w/Outdoor Prop-Fan Condensing Unit w/Indoor Centrifugal Condensing Unit Indoor Unit BR 065A BR 05 9E BR 059E Net Capacit y Data kW BTU/H kW BTU/H kW BTU/H 37.8°C DB, 21.1°C WB (100°F DB, 70°F WB) 20% RH Total 22.4[...]

System Data 27 T able 5 Liebert Challenger ITR air-cooled dat a—50Hz (continued) System Type Self-Contained Split Systems w/Outdoor Prop-Fan Condensing Unit w/Indoor Centrifugal Condensing Unit Indoor Unit BR 065A BR 059E BR 059E Infrared Humidifier - Standard Capacity - kg/hr (lb/ hr) 5 (11) 5 (11 ) 5 (11) kW 4.8 4.8 4.8 Steam Generating Humidif[...]

System Data 28 T able 6 Liebert Challenger ITR water cooled dat a, 60 Hz System Type BR = Horizontal Flow Self-Contained Split Systems Indoor Unit BR 071WG BR 060E Net Capacity Data BTU/H kW BTU/H kW 100°F DB, 70°F WB (37.8°C DB, 21.1°C WB) 20% RH Total 82,900 24.3 79,000 23 .1 Sensible 82,900 24.3 79,000 23.1 Non-Standard Flow Rates 2600 CFM 2[...]

System Data 29 T able 7 Liebert Challenger ITR water cooled dat a, 60 Hz (continued) System Type Self-Contained Split Systems Indoor Unit BR 071WG BR 060E Infrared Humidifier - Standard Capacity, lb/hr (kg/hr) 11 (5) 11 (5) kW 4.8 4.8 Steam Generating Humidifier - Optional Capacity, lb/hr (kg/hr) 11 (5) 11 (5) kW 3.9 3.9 Filter Section - Efficienci[...]

System Data 30 T able 8 Liebert Challenger ITR water cooled dat a, 50 Hz System Type BR = Horizontal Flow Self-Contained Split Systems Indoor Unit BR 070WG BR 059E Net Capacit y Data kW BTU/H kW BTU/H 37.8ºC DB, 21.1ºC WB (100ºF DB, 70ºF WB) 20% RH Total 24.0 81,800 23.1 78,800 Sensible 24.0 81,800 23.1 78,800 Non Standard Flow Rates 2500 CFM 2[...]

System Data 31 T able 9 Liebert Challenger ITR water cooled dat a, 50 Hz (continued) System Type Self-Contained Split Systems Indoor Unit BR 070WG BR 059E Infrared Humidifier - Standard Capacity - kg/hr (lb/hr) 5 (11) 5 (11) kW 4.8 4.8 Steam Generating Humidifier - Optional Capacity, kg/hr (lb/hr) 5 (11) 5 (11) kW 3.9 3.9 Filter Section - Efficienc[...]

System Data 32 T able 10 Liebert Challenger ITR glycol cooled data , 60 Hz System Type BR = Horizontal Fl ow BM = Horizontal Flow with Econ-O-Coil Glycol C ooled GLYCOOL Self-Containe d Split Syst ems Self Contained Indoor Unit BR 071WG BR 060E BM 061G Net Capacit y Data BTU/H kW BTU/H kW BT U/H kW 100°F DB, 70°F WB (37.8°C DB, 21.1°C WB) 20% R[...]

System Data 33 T able 1 1 Liebert Challenger ITR glycol cooled dat a, 60 Hz (continued) System Type Glycol Cooled GLYCOOL Self-Contained Split Systems Self-Contained Indoor Unit BR 071WG BR 060E BM 061G Infrared Humidifier - Standard Capacity, lb/hr (kg/hr) 11 (5) 11 (5) 11 (5) kW 4.8 4.8 4.8 Steam Generating Humidifier - Optional Capacity, lb/hr ([...]

System Data 34 T able 12 Liebert Challenger ITR glycol cooled data , 50 Hz System Type BR = Horizontal Flo w BM = Horizontal Flo w with Econ-O-Coil Glycol Cooled GLYCOOL Self-Contained Split Systems Self Contained Indoor Unit BR 070WG BR 059E BM 058G Net Capacity Da ta kW BTU/H kW BTU/H kW BTU/H 37.8ºC DB, 2 1.1ºC WB (100ºF DB, 70ºF WB) 20% RH [...]

System Data 35 T able 13 Liebert Challenger ITR glycol cooled dat a, 50 Hz (continued) System Type Glycol Cooled GLYCOOL Self-Contained Split Systems Self-Contained Indoor Unit BR 070WG BR 059E BM 058G Infrared Humidifier - Standard Capacity, kg/hr (lb/hr) 5 (11) 5 (11) 5 (11) kW 4.8 4.8 4.8 Steam Generating Humidifier - Optional Capacity, kg/hr (l[...]

System Data 36 T able 14 Liebert Challenger ITR chilled water dat a , 60 Hz Capacity D ata BTU/H (kW) @ 45°F (7.2°C) EWT, 10°F (5.6°C) Water Rise ; Net Capacity Data Indoor Unit BR = Horizontal Flow BR 102C Indoor Unit BR 102C 100ºF DB, 70ºF WB (37.8ºC DB, 21.1ºC WB) 20% RH, 12°F (6.7°C) Water Rise Fan Data (Blower A12x9AT)** Total BTU/H [...]

System Data 37 T able 15 Liebert Challenger ITR chilled water dat a , 50 Hz Capacity Data kW (BTU/H) @ 7. 2°C (45°F ) EWT, 5.6°C (10°F) Water Rise; Net Ca pacity Data Indoor Unit BR = Horizontal Flow BR 101C Indoor Unit BR 101C 37.8ºC DB, 21.1ºC WB (100ºF DB, 70ºF WB) 20% RH, 6.7°C (12° F) Water Rise Fan Data (Blower A12x 9AT)** Total kW [...]

Dimensiona l Drawings 38 14.0 D IMENSIONAL D RAWINGS Figure 1 1 Cabinet and floor planning di mensional dat a—Horiz on t al f low models DPN001523 Pg. 2, R ev . 1 Filter Access by Opening Door UNIT TOP VIE W 32-1/2" (826mm) 5/8" (16mm) 9-5/8" (244mm) 8-1/2" (216mm) 31-1/2" (800mm) 1-7/8" (48mm) 12-1/2" (318mm) 3[...]

Dimensiona l Drawings 39 Figure 12 Cabinet and floor planning dime nsional dat a Figure 13 Cabinet and floor planning dime nsional da t a—Split system—5-ton centrifu gal fan condensing unit See Spe cif ica tio n Sheet for floor stand height orde red OPTIONAL FLOOR ST AND DIMENSIONAL DA T A 1" (25mm) 30-1/2" (775mm) 30-1/2" (775mm[...]

Dimensiona l Drawings 40 Figure 14 Cabinet and floor planning dime nsiona l data—S plit system—5-ton water/glycol-cooled condensing unit Model Net Weight lbs (kg) 60 Hz 50 Hz MC_69W MC_68W 282 (128)[...]

Dimensiona l Drawings 41 Figure 15 Cabinet and floor planning dime nsional dat a—Split System—Propeller fan condensing unit A B C Fan Rotation CCW (left side) SL-1 1081 Pg 4 Left Air Intake Shaded area indicates a minimum clearance of 18" (457mm) for proper air flow Removable (front) panel for access to high voltage and low voltage connect[...]

Dimensiona l Drawings 42 Figure 16 Cabinet and floor planning dime nsional da t a—Propeller fan condensing modules—V ertical air discharge Figure 17 Cabinet and floor planning dimensional dat a—Self-cont ained system—Air-cooled condenser or drycooler Shaded area indicates a recommended clearance of 24" (610mm) for component ac[...]

Electrical Data 43 15.0 E LECTRICAL D AT A T able 16 Liebert Challenger ITR electrical dat a 1 —60 Hz Model Type Self-Contained Split System Evaporator or C hilled Water BR067A, BR071WG, BM061G BR060E, BR102C Voltage All Voltages Are 3 Phase Unless Note d Otherwise 208 230 460 575 208 230 460 575 With Electric Reheat and Humid ifier (Infrared or [...]

Electrical Data 44 T able 17 Self-conta ined with SCR reheat * Voltage (3, 60 Hz) 208 230 4 60 575 Electric Reheat and Humidifier (Infrared or Steam Generating) Motor 1.5 hp (1.1 kW) FLA 81.3 76.1 38.1 N/A WSA 96.9 91.1 45.5 N/A OPD 100 100 50 N/A Motor 2.0 hp (1.5 kW) FLA 83.1 77.7 38.9 N/A WSA 98.7 92.7 46.3 N/A OPD 100 100 50 N/A Motor 3.0 hp (2[...]

Electrical Data 45 T able 18 Scroll compressor and main fan (for comp arison purposes only) * Voltage (3, 60 Hz) 208 230 460 575 Scroll Compressor RLA 20.7 20.7 10.0 7.4 LRA 128.0 128.0 63.0 49.0 Main Fan Motor 1.5 hp (1.1 kW) RLA 5.7 5.2 2.6 2.1 LRA 35.9 31.2 15.6 12.6 Motor 2.0 hp (1.5 kW) RLA 7.5 6.8 3.4 2.7 LRA 46.9 40.8 20.4 16.2 Motor 3.0 hp [...]

Electrical Data 46 T able 20 Outdoor cond ensing unit s—Quiet-Line Electrical Data 60 Hz, Quiet-Line, 95°F (35°C) Voltage Model PFHZ67A-_L 208/230-3-60 FLA 21.1 WSA 25.9 OPD 45.0 380-3-60 FLA 12.5 WSA 15.2 OPD 25.0 460-3-60 FLA 10.9 WSA 13.4 OPD 20.0 575-3-60 FLA 8.8 WSA 10.8 OPD 15.0 T able 21 Indoor condensing unit s, air-cooled * Electrical [...]

Electrical Data 47 T able 23 Fan speed control condenser s * 95°F (35°C) Ambient, 1 Phase - 60 Hz CSF 104 Voltage 208/230 460 575 FLA 4.8 2.5 1.9 WSA 6.0 3.1 2.4 OPD 15.0 15.0 1 5.0 * Contact factory for 380-3-60 data. T able 24 Liebert Lee-T emp condensers * 95°F (35°C) Ambient, 3 Phase - 60 Hz CSL104 Voltage 208/230 460 575 FLA 3.5 1.7 1.4 WS[...]

Electrical Data 48 T able 27 Liebert Challenger ITR electrical dat a—50 Hz Model Type Self-Contained Split System Evaporator or Chilled Water B*065A, 070WG, 058G B*059E, 101C 3 Phase, 50Hz Voltage 200 230 380/415 200 230 380/415 With Electric Reheat and Humidifier (Infrared or Steam Generating) (Note: See Table 28 for units w/SCR reheats. 1 ) Mot[...]

Electrical Data 49 T able 28 Self-conta ined with SCR reheat Voltage (3, 50 Hz) 200 230 380/415 Electric Reheat and Humidifier (Infrared or Steam Generating) Motor 1.1 kW (1.5 hp) FLA 78.8 75.5 40.8 Motor 1.5 kW (2.0 hp) FLA 80.5 77.0 41.6 Motor 2.2 kW (3.0 hp) FLA 83.6 79.7 43.2 Electric Reheat Only Motor 1.1 kW (1.5 hp) FLA 66.0 64.4 34.4 Motor 1[...]

Electrical Data 50 T able 30 Outdoor cond ensing unit s Electrical Data 50 Hz 35°C (95°F) Ambient Voltage Model PFH066A-_L 200/230-3-50 FLA 24.1 380/415-3-50 FLA 13.2 Electrical Data 50 Hz 40°C (105°F) Ambient Voltage Model PFH066A-_H 200/230-3-50 FLA 24.2 380/415-3-50 FLA 13.2 Electrical Data 50 Hz Quiet-Line 35°C (95°F) Voltage Model PFHZ66[...]

Electrical Data 51 T able 36 Drycooler only - 35°C (95°F) a mbient, three-ph ase Voltage (3, 50Hz) 200/230 380/415 DSF Model 112 112 FLA 3.5 1.7 DSO Model 112 112 FLA 3.5 1.7 DSO Model 174 174 FLA 7.0 3.4 T able 37 Drycooler only - 35°C (95°F) a mbient, single phase Voltage (1, 50Hz) 200/230 380/415 DSF Model 112 — FLA 4.0 — T able 38 Pumps[...]

Electrical Data 52 G UIDE S PECIFICATIONS —N OMINAL 23 OR 33 K W E NVIRONMENT AL C ONTROL S YSTEM 1.0 G ENERAL 1.1 Summary These specifications describe re quirements for an environmental control system. The system shall be designed to maintain temperatur e and re lative humidity conditions within the room. The manufac- turer shall de sign and fu[...]

Electrical Data 53 2.1.4 Advanced Microprocessor Con trol (S t andard) The Advanced control processor shall be micropr ocessor based with a front monitor LCD display panel and control keys for user inputs. The controls shall be menu driven with on-screen promp ts for easy user operation. The system shall allow user review and programming of tempera[...]

Electrical Data 54 Alarms The microprocessor shall activate an audibl e and visual alarm in event of any of the following condi- tions: • High Temperature • Low Temperature • High Humidity • Low Humidity • Short Cycle • Compressor Overload (Optiona l) • Main Fan Overload (Optional) • Humidifier Problem • High Head Pressu re • Ch[...]

Electrical Data 55 The control system shall maintain accumulative operating hours of compressor, reheat, humidifier, fan motor, and E con-O-Coil. The ten most recent alarms shall also be retained. Communications The microprocessor shall be compat ible with all Liebert remote monitoring and control devices. 2.1.5 Advanced Microprocessor Con trol wit[...]

Electrical Data 56 Alarms The microprocessor shall activate an audibl e and visual alarm in event of any of the following condi- tions: • High Temperature • Low Temperature • High Humidity • Low Humidity • Short Cycle • Compressor Overload (Optiona l) • Main Fan Overload (Optional) • Humidifier Problem • High Head Pressu re • Ch[...]

Electrical Data 57 Data Collection The control system shall maintain accumulative operating hours of compressor, reheat, humidifier, fan motor, Econ-O-Coil, and heat rejection. The si xty most recent alarms shall also b e retained. Graphing The control shall display the foll owing graphical data: • Temperature, hu midity, analog inp uts • Compo[...]

Electrical Data 58 2.1.12 Plenum The unit shall be suppl ied with a (2 way) (3 way) (4 way) (low-p rofile, cold-aisle) air discharge pl e- num. The plenum shall be 18 in. (457mm) high or less, insulated and powd er painted the same color as the room unit. 2.1.13 Disconnect Switch, Locking T ype The manual disconnect switch sha l l be moun ted in th[...]

Electrical Data 59 Fan Speed Control (FSC) Head Pressure Control (Standard) The winter control system for the air-cooled condenser shall be Lieb ert Fan Speed Control (FSC). The variable speed motor shall turn on at 10% of the su pply voltage and modulate in response to h ead pressure to a fu ll speed of 1050 RPM. It s hall be designed with b all b[...]

Electrical Data 60 Out door Unit Propeller Fan Drycooler (Standard) The Liebert manufac tured drycooler shall be the low profile, slow spee d, direct drive p ropeller fan type. The drycooler shall be constructed of alu min um and contain a copper tube aluminum fin coi l with an integral electric contro l panel. The drycooler shall be des igned for [...]

Electrical Data 61 Propeller Fan Drycooler (Standard) The Liebert manufac tured drycooler shall be the low profile, slow spee d, direct drive p ropeller fan type. The drycooler shall be constructed of alu min um and contain a copper tube aluminum fin coi l with an integral electric contro l panel. The drycooler shall be des igned for _____ °F (°C[...]

Electrical Data 62 Propeller Fan Condensing Unit The condenser coil shall be constructed of copper tu bes and aluminum fins with a direct drive propel- ler type fan an d shall include a s croll compressor, high pressure sw itch, Liebert Lee-Temp receiver, head pressure control valve, and li quid line solenoid valve. All components shall be factory [...]

Electrical Data 63 Single Glycol Pump Pac kage (Standard) This system shal l be provided with a centrifugal pump mounted in a weath erproof and vented en clo- sure. The pump shall be rated for GPM (l/s) at _____ ft. of head (kPa), and operate on _____ Volt, 3 phase, _____ Hz. Dual Glycol Pump Package (Optional ) The dual pump package shall includ e[...]

Electrical Data 64 2.5 Comprehensive Monitoring Solutions (For detailed Guide Specif ications on these products, refer to info rmation posted at www.liebert.com) • Liebert SiteScan Web System • Liebert SiteLink Module • Liebert Nform • Liebert IntelliSlot Web/485 Card With Adap ter and Liebert IntelliSlot 485 Card With Adapter • Environme[...]

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Ensuring The Hi gh A vai labilit y Of Mission-Critic al Dat a And Applic ations. Emerson Net work P ower , the global leader in enabling business-critical continuity , ensures net work re siliency and adaptabilit y through a family of technologies—inc luding Lieber t power and c ooling technologies—that prot ec t and support business-critical s[...]