Vertiv Liebert DA250 Installer/User Manual Download Page 1

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Liebert®

DSE Thermal Management System

Installer/User Guide

Downflow, 250 kW (71 ton) and 265 kW (75 ton) Capacity, 50 and 60 Hz

Summary of Contents for Liebert DA250

Page 1: ...Liebert DSE Thermal Management System Installer User Guide Downflow 250 kW 71 ton and 265 kW 75 ton Capacity 50 and 60 Hz ...

Page 2: ...ty and disclaims all liability for damages resulting from use of this information or for any errors or omissions Refer to other local practices or building codes as applicable for the correct methods tools and materials to be used in performing procedures not specifically described in this document The products covered by this instruction manual are manufactured and or sold by Vertiv This document...

Page 3: ...s 24 6 1 2 Condensate Pump Drain Line Requirements 26 6 2 Refrigerant Piping and Charging 26 6 2 1 Refrigerant Piping Guidelines for Air Cooled Systems 27 6 2 2 Piping Layout and Condenser Positioning 28 6 2 3 Refrigerant Line Sizes and Equivalent Lengths 28 6 2 4 Refrigerant Charge Requirements for Air Cooled Systems 29 6 2 5 Additional Oil Requirements for Scroll and Digital Scroll Compressors 3...

Page 4: ...Compressors 48 9 5 4 Unloading Solenoid s on a Digital Scroll Compressor 48 9 5 5 Compressor Electrical Failure Motor Burnout 49 9 5 6 Replacing a Compressor with Electrical Failure Motor Burnout 49 9 5 7 Compressor Mechanical Failure 49 9 5 8 Replacing a Compressor with Mechanical Failure 50 9 6 Evaporator Coil 50 9 7 Air Cooled Condenser Maintenance 51 10 Preventive Maintenance Checklist 53 Appe...

Page 5: ...ide the unit is to install and open a remote disconnect switch Refer to unit electrical schematic Follow all local codes WARNING Risk of electric shock Can cause equipment damage injury or death Open all local and remote electric power supply disconnect switches and verify with a voltmeter that power is off before working within any electric connection enclosures Service and maintenance work must ...

Page 6: ... fan modules before removing mounting hardware Use caution to keep body parts out of the fan modules pathway during repositioning Only properly trained and qualified personnel should work on this equipment WARNING Risk of improper moving Can cause equipment damage injury or death Use only lifting equipment that is rated for the unit weight by an OSHA certified rating organization The center of gra...

Page 7: ... attached to the service valve Follow local codes to properly reclaim refrigerant CAUTION Risk of contact with sharp edges splinters and exposed fasteners Can cause injury Only properly trained and qualified personnel wearing appropriate OSHA approved PPE should attempt to move lift remove packaging from or prepare the unit for installation CAUTION Risk of contact with hot surfaces Can cause injur...

Page 8: ...es are single phased at any time NOTICE Risk of oil contamination with water Can cause equipment damage Liebert DSE systems require the use of POE polyolester oil POE oil absorbs water at a much faster rate when exposed to air than previously used oils Because water is the enemy of a reliable refrigeration system extreme care must be used when opening systems during installation or service If wate...

Page 9: ...tory installed trap inside the cabinet Installation of a second trap will prevent drain water flow and will cause the water to overflow the drain pan Sagging condensate drain lines may inadvertently cause an external trap NOTICE Risk of doorway hallway interference Can cause unit and or structure damage The unit may be too large to fit through a doorway or hallway while on the skid Measure the uni...

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Page 11: ...nal Cooling Capacity kW 250 250 kW 265 265 kW Digit 6 Air Discharge D Downflow bottom discharge H Downflow horizontal discharge Digit 7 System Type P Air cooled Econ O Phase ready Digit 8 Airflow Fan Type 3 Direct drive VFD plenum Digit 9 Voltage A 460 V 3 ph 60 Hz B 575 V 3 ph 60 Hz G 415 V 3 ph 50 Hz For applications that require less than 400 V 3 ph 50 Hz please consult your local sales office ...

Page 12: ...e L Option package 1 lowvoltage terminal package contact D LowVoltage Terminal Package and Remote Humidifier Contact Digit 19 Monitoring B Base comms and connectivity Digit 20 Sensors 0 None H High Temperature Sensor S Smoke Sensor F Smoke Sensor and High Temperature Sensor Digit 21 Packaging P Domestic C Export Digit 22 24 Factory Configuration Number Digit 25 Configuration Code A No SFAs Any alp...

Page 13: ...ocuments included in the Submittal Drawings The following table lists the relevant documents by number and title Document Number Title DPN004368 Liebert DSECabinet Dimension Data DA250 DA265 with Horizontal Discharge Table 2 3 Component Location Drawings 2 Nomenclature and Components 9 ...

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Page 15: ...5 of total air circulated in the room Do not install a Liebert DSE in an alcove or at the end of a long narrow room Install the units as close as possible to the largest heat load Allow at least the minimum recommended clearances for maintenance and service See the appropriate submittal drawings for dimensions We recommend installing an under floor water detection system Contact your Vertiv repres...

Page 16: ...perating envelope that ASHRAE recommends for data centers Operating the DSE outside of this envelope can decrease equipment reliability Refer to ASHRAE s publication Thermal Guidelines for Data Processing Environments The recommended maximum for return air temperature is 105 F 40 C and maximum dew point is 59 F 15 C The recommended minimum return air temperature setpoint for the DSE is 85 F 29 4 C...

Page 17: ...ft 5 in x 14 ft 9 in x 9 ft 6 in 2 870 x 4 496 x 28 96 5 800 2 667 5 940 2 694 MCV440 2 dual skid 16 fan PR250 qty 2 11 580 5 252 8 ft 6 in x 29 ft x 9 ft 6 in 2 591 x 8 839 x 2 896 11 580 5 252 9 ft 5 in x 29 ft 4 in x 9 ft 6 in 2 870 x 8 941 x 2 896 11 560 5 243 11 880 5 388 1Deduct 120 lbs 55kg if no receivers 2 Deduct 220 lbs 100kg if no receivers Table 3 3 Liebert MCV Condenser Unit Domestic ...

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Page 19: ...ay dimensions and refer to the installation plans prior to moving the unit to verify clearances NOTICE Risk of damage from forklift Can cause unit damage Keep tines of the forklift level and at a height suitable to fit below the skid and or unit to prevent exterior and or underside damage NOTICE Risk of improper storage Keep the unit upright indoors and protected from dampness freezing temperature...

Page 20: ...e that the fork length is suitable for the skid length Skid length is 128 in 3251 mm If the unit must be lifted higher than 2 in 51 mm to 4 in 102 mm all personnel not directly involved in moving the unit must be 20 ft 5 m or farther from the unit 4 3 Unpacking the Unit Remove exterior package material from around and on top of the unit Figure 4 1 Unpacking the Unit Vertiv Liebert DSE Thermal Mana...

Page 21: ...ge could occur to the panels and base of the unit 1 Referring to Figure 4 2 below use a 9 16 in socket driver to remove the lag screws 24 total from the four corner brackets to detach the unit from the skid Figure 4 2 Remove Corner Brackets 4 Equipment Inspection and Handling 17 ...

Page 22: ...se inside the door 3 Using the instructions included in the kit install the rigging hardware for lifting the unit from the skid Figure 4 3 below shows an example of one of the eye nuts installed Figure 4 3 Locate the Rigging Fastener Hardware Kit Vertiv Liebert DSE Thermal Management System Installer User Guide 18 ...

Page 23: ...ment to the eye nuts installed in Step 3 5 Using the rigging equipment lift the unit from the skid and remove the skid from under the unit see Figure 4 4 below Figure 4 4 Lifting Unit and Removing Skid 4 Equipment Inspection and Handling 19 ...

Page 24: ...e Unit with Rigging 4 5 Unpacking and Handling the Fan Section Refer to drawing number 336511 Instructions Handling Installation of Fan Section CW DSE that is included in the fan plenum packaging for instructions on uncrating and handling the fan section Vertiv Liebert DSE Thermal Management System Installer User Guide 20 ...

Page 25: ...uipment may expose personnel to lethal voltages within the unit even when it is apparently not operating and the input wiring is disconnected from the electrical source WARNING Risk of improper wire sizing rating and loose electrical connections Can cause overheated wire and electrical connection terminals resulting in smoke fire equipment and building damage injury or death Use correctly sized co...

Page 26: ...ser For the most reliable operation of the system the indoor unit and the Liebert MCV condenser should be on the same power source The Liebert DSE system offers an option for a power feed from the active source on the indoor unit to the outdoor condenser This configuration provides the greatest reliability and fastest recovery during power loss or source change When powering the outdoor condenser ...

Page 27: ...parallel to the air flow The following pipe connections are required A drain line from the unit A drain line from the secondary drain pan if applicable Refrigerant piping connections between the evaporator unit and the MCV440 heat rejection skid See Refrigerant Piping and Charging on page 26 The pipe connection locations piping general arrangement and schematics are described in the submittal docu...

Page 28: ...abinet Installation of a second trap will prevent drain water flow and will cause the water to overflow the drain pan Sagging condensate drain lines may inadvertently create an external trap Observe the following requirements when installing and routing the drain line The drain line must be sized for 2 gpm 7 6 l m flow The drain line must be located so it will not be exposed to freezing temperatur...

Page 29: ...rain installation 3 DSEunit 4 Internal drain 5 External drain 6 Continuous downward slope 7 External trap Do not trap externally 8 External trap although unintentional Lines must be rigid enough to not bowover the top of other objects Table 6 3 Gravity Fed Drain Line Figure Descriptions 6 Piping and Refrigerant Requirements 25 ...

Page 30: ...ration system Can cause explosive discharge of high pressure refrigerant loss of refrigerant environmental pollution equipment damage injury or death This unit contains fluids and gases under high pressure Use extreme caution when charging the refrigerant system Do not pressurize the system higher than the design pressure marked on the unit s nameplate CAUTION Risk of excessive refrigerant line pr...

Page 31: ...hat the tubing surfaces to be brazed are clean and that all burrs have been removed from the ends of the tubes Ensure that all loose material has been cleaned from inside the tubing before brazing Protect all refrigerant line components within 18 in 460 mm of the brazing site by wrapping them with a wet cloth or with a suitable heat sink compound Isolate piping from building using vibration isolat...

Page 32: ...ion 6 2 2 Piping Layout and Condenser Positioning The piping layout and condenser positioning is detailed in the submittal documents included in the Submittal Drawings The following table lists the relevant documents by number and title Document Number Title DPN003965 Liebert DSEAir Cooled Piping Schematic Liebert MCV Mounted above Liebert DA125 250 DPN005207 Liebert DSEAir Cooled Piping Schematic...

Page 33: ...e Table 6 8 below Table 6 9 below Table 6 7 Indoor Unit Approximate Refrigerant Charge for R 410A Per Circuit Heat Rejection Skid System Circuit Number Charge per Circuit lb kg With or Without Receivers MCV440 Single skid with 1 PRE unit 1 1 62 28 1 2 62 28 1 MCV440 Dual skid with 2 PREunits 1 1 62 28 1 2 62 28 1 2 1 62 28 1 2 62 28 1 The heat rejection skid contains Liebert MCV condenser s Lieber...

Page 34: ... charge levels In addition to oil added based on system charge additional oil is required for discharge line field installed traps Standard formed tube traps are required see Figure 6 2 below and Table 6 11 on page 32 because straight tubes and fittings used as traps require much more oil and the length of the straight tube can vary After the system has been fully charged with refrigerant use a ha...

Page 35: ...0 2660 150 68 0 98 2900 160 72 6 106 3130 170 77 1 114 3370 180 81 6 122 3610 190 86 2 130 3840 200 90 7 138 4080 System Charge indoor unit MCV heat rejection skid refrigerant lines Calculated per circuit For system charges over 200 lb 90 7 kg consult your Vertiv representative See Compressor Oil Types for R 410A Refrigerant for the recommended oil for the system Source DPN003950 Rev 6 Table 6 10 ...

Page 36: ...unt for all check valves NOTE The system includes a factory installed check valve and an additional downstream Schrader valve with core in the compressor discharge line Proper evacuation of the condenser side of the compressor can be accomplished only using the downstream Schrader valve See the appropriate piping schematic for your system in Submittal Drawings 1 Starting with Circuit 1 open the se...

Page 37: ...ging function can be reset as many times as required to complete To charge the system 1 Check the nameplate on the indoor unit for refrigerant type to be used Unit control configurations differ depending on refrigerant type 2 The unit must be operating during charging refer to Checklist for Completed Installation on page 37 3 Calculate the amount of charge for the system See Refrigerant Charge Req...

Page 38: ...at the condenser has two sight glasses and the refrigerant level varies with outside temperature 9 Adjust the refrigerant level in each circuit to meet the level shown in Target Refrigerant Level in Sight Glasses at Outdoor Temperatures below 10 After adjusting the refrigerant allow the system to operate an additional 15 minutes before checking for the need of further adjustment 11 Repeat the proc...

Page 39: ... 2 The unit must be operating during charging Refer to Checklist for Completed Installation on page 37 3 Calculate the amount of charge for the system See Refrigerant Charge Requirements for Air Cooled Systems on page 29 4 Accurately weigh in as much of the system charge as possible before starting the unit Do not exceed the calculated charge by more than 0 5 lb 0 37 kg 5 Close the Liebert MCV hea...

Page 40: ... in Table 6 12 below 10 After adjusting the refrigerant allow the system to operate an additional 15 minutes before checking the need of further adjustment NOTE A digital scroll compressor can have a clear unit sight glass on the liquid line only when operating at 100 capacity When operating below 100 capacity the unit sight glass may show bubbles with each 15 second unloading cycle Outdoor Ambien...

Page 41: ...ng Installation Checks 1 Check that piping is completed to refrigerant loop 2 Confirm that piping has been leak checked 3 Check that additional oil has been added for system charges over 40 pounds 18 1kg per circuit See Additional Oil Requirements for Scroll and Digital Scroll Compressors on page 30 4 Check that piping is properly sized sloped and trapped as shown in the piping schematics 5 Check ...

Page 42: ...00 56074 6 03 7 22 34 000 57773 6 20 7 42 35 000 59472 6 38 7 63 36 000 61171 6 55 7 83 37 000 62870 6 72 8 04 38 000 64570 6 89 8 24 39 000 66269 7 06 8 45 40 000 67968 7 23 8 65 41 000 69667 7 41 8 86 42 000 71366 7 58 9 07 43 000 73066 7 75 9 27 44 000 74765 7 92 9 48 Maximum air flowcalibration voltage must be adjusted based on the required air flow Table 7 1 Airflow Calibration Voltage DA250 ...

Page 43: ...0 57 766 7 13 8 54 35 000 59 465 7 32 8 76 36 000 61 164 7 52 8 99 37 000 62 863 7 71 9 22 38 000 64 562 7 90 9 45 39 000 66 261 8 09 9 67 40 000 67 960 8 28 9 90 41 000 69 659 8 47 42 000 71358 8 66 43 000 73 057 8 85 44 000 74 756 9 04 45000 76 455 9 23 46000 78 154 9 42 47000 79 853 9 61 48000 81 552 9 80 49000 83 251 9 99 Maximum air flowcalibration voltage must be adjusted based on the requir...

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Page 45: ... trained in the installation of air conditioning equipment and who are wearing appropriate OSHA approved PPE NOTICE Risk of improper electrical connection of three phase input power Can cause backward compressor rotation and unit damage Service technicians should use a gauge set on the system during the initial startup to verify that the three phase power is connected properly Three phase power mu...

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Page 47: ... injury or death Open all local and remote electric power supply disconnect switches and verify with a voltmeter that power is off before working within any electric connection enclosures Service and maintenance work must be performed only by properly trained and qualified personnel and in accordance with applicable regulations and manufacturers specifications Opening or removing the covers to any...

Page 48: ...w reduction To maximize the performance and reliability of the equipment use only Vertiv filters Contact your Vertiv representative to order replacement filters Verify that filters are installed and positioned so the airflow direction marked on the filter is the same direction as unit air flow Unit Size Filter Type Filter Size Width x Length x Depth in mm Quantity DA250 DA265 MERV 8 or MERV 11 28 ...

Page 49: ...ons a sound pressure level greater than 70 dB A may arise Take appropriate technical safety measures Operating personnel must wear appropriate OSHA approved PPE and observe all appropriate hearing protection safety requirements CAUTION Risk of contact with hot surfaces Can cause injury The fan motor and some electrical components are extremely hot during unit operation Allow sufficient time for th...

Page 50: ...ce 9 3 1 Condensate Drain Check for and clear obstructions in tubing during routine maintenance 9 3 2 Condensate Pump WARNING Risk of electric shock Can cause injury or death Open all local and remote electric power supply disconnect switches and verify that power is Off with a voltmeter before working within the condensate pump electrical connection enclosure The Liebert iCOM does not isolate pow...

Page 51: ...s on page 27 for the proper charge level If proper charge is observed in receiver and superheat remains unstable then increase superheat setting in the Liebert iCOM to 15 F 8 49 C 9 5 Compressor Maintenance WARNING Risk of over pressurization of the refrigeration system Can cause explosive discharge of high pressure refrigerant loss of refrigerant environmental pollution equipment damage injury or...

Page 52: ...frigerant The Neutral port remains open to the compressor side in all positions of the valve stem see Figure 9 1 below A high pressure cut out switch or low pressure switch transducer will be connected to this port The Service port is closed to the system when valve stem is back seated see Figure 9 1 below It is open to the system as soon as the valve is adjusted away from the back seated position...

Page 53: ...ure marked on the unit s nameplate NOTE Release of refrigerant to the atmosphere is harmful to the environment Refrigerant must be recycled or discarded in accordance with federal state and local regulations 1 Attach suction and discharge gauges to access fittings 2 Recover refrigerant using an approved recovery procedure and equipment Use a filter drier when charging the system with recovered ref...

Page 54: ...compressor 3 Keep the replacement compressor sealed until installation is complete to the point that the system isolation valves are ready to be engaged Keep exposure of the POE oil in the compressor to the atmosphere to a minimum 4 Install the replacement compressor replace the gaskets or seals on the service valves and make all connections Replace the unloading solenoid if equipped 5 Once the co...

Page 55: ...ris that will inhibit airflow Check for bent or damaged coil fins and correct Do not permit snow to accumulate around or under the outdoor unit Periodically consider commercial cleaning of the coil surface Inspect fans motors and controls for proper operation Check all piping and capillaries for proper support Inspect for leaks Check contactors for pitting Replace if pitted 9 Maintenance 51 ...

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Page 57: ... the unit user manual for further information on unit operation We recommend the use of trained and authorized service personnel extended service contracts and factory certified replacement parts Contact your local sales representative for more details Check all that apply Evaporator Filters o Check Replace filters o Make sure that the grille area isunrestricted o Wipe section clean o Coil clean o...

Page 58: ...ls o Check verify the control operation sequence o Check test the changeover device s if equipped o Check test the water detection device s if equipped o Check test the CAN connection between the indoor and outdoor units if equipped Refrigeration Piping o Check the refrigerant lines clamps secure no rubbing no leaks o Check for moisture sight glass o Check for restriction temperature drop across f...

Page 59: ...ation o Check for refrigerant leaks o Suction pressure Circuit 1 _______ Circuit 2 _______ o Discharge pressure Circuit 1 _______ Circuit 2 _______ o Superheat Circuit 1 _______ Circuit 2 _______ o Low pressure switch cut out Circuit 1 _______ Circuit 2 _______ o Low pressure cut in Circuit 1 _______ Circuit 2 _______ o High pressure cut out Circuit 1 _______ Circuit 2 _______ o Amp draw Circuit 1...

Page 60: ...tus indicator lights o Check Re torque the wire connections o Check the contactors for pitting replace if pitted o Verify the operation sequence setpoints o Charge verification Outdoor Ambient Temperature __________ Subcooling __________ Indoor unit return air temperature __________ Receiver sight glass level _________ o Motor amp draw 1 L1 L2 L3 2 L1 L2 L3 3 L1 L2 L3 4 L1 L2 L3 5 L1 L2 L3 6 L1 L2...

Page 61: ...Economizer o Check for refrigerant leaks o Check re torque the wire connections o Check the contactors for pitting replace if pitted o Verify the pump speed control operation o Check the pump mounting 10 Preventive Maintenance Checklist 57 ...

Page 62: ...ords Compare readings information to previous maintenance worksheet To locate your local Vertiv representative for Vertiv engineered parts check https www Vertiv com en us support or Call 1 800 543 2778 Vertiv Liebert DSE Thermal Management System Installer User Guide 58 ...

Page 63: ...Liebert Thermal Management Products 1 800 543 2778 Liebert Channel Products 1 800 222 5877 Liebert AC and DC Power Products 1 800 543 2378 A 2 Locations United States Vertiv Headquarters 1050 Dearborn Drive Columbus OH 43085 USA Europe Via Leonardo Da Vinci 8 Zona Industriale Tognana 35028 Piove Di Sacco PD Italy Asia 7 F Dah Sing Financial Centre 3108 Gloucester Road Wanchai Hong Kong 59 ...

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Page 65: ...Models DPN003886 Liebert Heat Rejection Skid CANbus and Interlock Connections Liebert MCV and Liebert MCV EconoPhase and Base Assembly ElectricalUnit to Unit Networking DPN004351 Liebert iCOM Unit to Unit Network Connections Liebert CW Liebert CWA Liebert DS Liebert DSE Liebert PDX Liebert PCW PipingGeneralArrangement Drawings DPN004476 Liebert Piping Schematic DA125 DA150 DA165 DA250 with Liebert...

Page 66: ... DIAGRAM LIEBERT DSE 1 Blower Motor Typical 3 2 Line Reactor Transformers Typical 3 3 Evaporator Coil 4 Air Filters 5 Condensate Pump optional 6 Compressor Compartment 7 Electric Panel 8 575v Step Down Transformer 9 VFD Assemblies Typical 3 1 4 5 6 7 8 3 Filter removed for clarity 2 2 2 9 9 9 ...

Page 67: ...AL DATA LIEBERT DSE Notes 1 Louvers in non raised floor application Front View Data Hall Side Top View Rear View Service on Gallery Side For Unit Disassembly Data Refer to DPN004369 83 1 2 2122mm 120 1 8 3051mm 60 1 8 1528mm Fan Section 134 1 8 3406mm 70 1779mm Louvers 44 3 8 1127mm 59 1499mm 118 3 8 3007mm Louvers ...

Page 68: ...CHARGE Form No DPN001040_REV4 CABINET DIMENSIONAL DATA LIEBERT DSE Front View Data Hall Side Top View Rear View Service on Gallery Side For Unit Disassembly Data Refer to DPN004369 60 1 8 1528mm Fan Section 83 1 2 2122mm 120 1 8 3051mm 44 3 8 1127mm 134 1 8 3406mm ...

Page 69: ...uted in this zone Gallery Side Electrical Panel Access Data Hall Electrical Panel Access 68 1727mm 42 1067mm Fan service zone Piping Cables must not be routed in this zone Gallery Side 88 2235mm Installation and replacement clearance for full unit Installation and coil replacement service clearance with disassembly INSTALLATION REPLACEMENT FROM DATA CENTER SIDE MAINTENANCE FROM GALLERY ...

Page 70: ...235mm Data Hall Fan service zone Piping Cables must not be routed in this zone Gallery Side Full Unit and Electrical Panel Access Data Hall Fan service zone Piping Cables must not be routed in this zone Gallery Side 68 1727mm Unit Disassembly access and Electrical Panel access INSTALLATION SERVICE AND MAINTENANCE FROM GALLERY ...

Page 71: ...LIEBERT DSE 88 2235mm Full Unit and Electrical Panel access Data Hall Fan service zone Piping Cables must not be routed in this zone Fan service zone Piping Cables must not be routed in this zone Data Hall 68 1727mm Unit Disassembly access and Electrical Panel access PERIMETER INSTALLATION AND SERVICE CLEARANCE ...

Page 72: ...l Side A DETAIL A Gasketing shown is for pictorial purposes only to show edges of unit that require gap sealing Gasketing and method to be provided and applied by others in the field Data Hall Side 1 Notes 1 Gap is measured between frame memebrs of adjacent units 3 4 19mm Minimum Gap to be filled with gasketing between each unit ...

Page 73: ...ing feet are provided with u 1 1 2 38mm adjustment from nominal height A 2 Dimensions are to center of feet 1 Front View Top View Right Side View 78 1 2 1994mm Typ 39 1 4 997mm Typ 2 Plcs 116 1 4 2953mm 33 7 8 860mm 46 1168mm 36 3 8 924mm 119 3 4 3042mm Overall Width 2 2 2 2 2 2 82 2083mm Overall Depth 36 3 8 924mm 46 1168mm 33 7 8 860mm 2 2 2 A 1 3 4 44mm Typ 1 3 4 44mm Typ 2 2 ...

Page 74: ... across terminals 75 76 for remote indication 1 AMP 24VAC max load Use Class 1 field supplied wiring 9 Heat rejection interlock On any call for compressor operation normally open dry contact is closed across terminals 70 71 230 to heat rejection equipment 1 AMP 24VAC max load Use Class 1 field supplied wiring CANbus ELECTRICAL CONNECTIONS 10 CANbus Connector Terminal block with terminals 49 1 CAN ...

Page 75: ...on system that may be required by local or national codes 1 AMP 24VAC max load Use Class 1 field supplied wiring 17 Analog inputs Terminals 41 42 43 and 44 are user configurable for 0 10V 0 5V or 4 20MA OPTIONAL LOW VOLTAGE TERMINAL PACKAGE CONNECTIONS 18 Remote unit shutdown Two additional contact pairs available for unit shutdown labeled as 37B 38B 37C 38C Replace jumpers with field supplied nor...

Page 76: ...9 3 10 11 24 50 51 55 56 75 76 94 95 96 97 88 89 70 71 230 58 59 84 85 11 12 102 103 106 107 37C 38C 37B 38B 37 38 80 81 91 92 93 41 42 43 44 2 1 4 3 23 22 5 1 2 15 A 7 8 19 12 9 21 20 13 17 16 6 18 14 24 50 51 55 56 75 76 94 95 96 97 88 89 70 71 230 58 59 84 85 11 12 102 103 106 107 37C 38C 37B 38B 37 38 80 81 91 92 93 41 42 43 44 DETAIL A ...

Page 77: ...R AND DIPSWTICH LOCATION CONDENSER CONTROL BOARDS FACTORY SET A B SEE SHEET 2 FOR COMPONENT NOTES CABLE NOTES WIRE NOTES CIRCUIT 1 J6 1 3 CAN ON SW6 CAN ON SW6 J6 1 3 CIRCUIT 2 SH 49 1 49 3 230 71 70 DETAIL 2 HEAT REJECTION INTERLOCK B DETAIL 1 CANBUS CABLE CONNECTION A A B 4 3 ECONOPHASE CONTROL BOARDS FACTORY SET SW6 ON CAN 3 1 J6 CIRCUIT 2 SW6 ON CAN CIRCUIT 1 3 1 J6 B A DETAIL 4 LOW VOLTAGE JU...

Page 78: ...ST BE RATED TO MEET LOCAL CODES AND CONDITIONS EXAMPLES BELDEN 89207 PLENUM RATED OR ALPHA WIRE 6454 CATEGORY 5 5E OR HIGHER 2 DO NOT RUN IN SAME CONDUIT RACEWAY OR CHASE AS HIGH VOLTAGE WIRING 3 FOR CANBUS NETWORK LENGTHS GREATER THAN 450FT 137M CONTACT LIEBERT FACTORY COMPONENT NOTES 1 COMPONENT APPEARANCE ORIENTATION AND POSITION MAY VARY BETWEEN PRODUCT LINES TERMINAL NAMES REMAIN CONSTANT 2 A...

Page 79: ...TO FROM OTHER NETWORKED UNITS TB3 P71 P72 P74 P64 E5 P67 P66 P11 P12 P21 P20 P13 P7 P76 P95 P100 P75 2 RS485 ETHERNET SITE AND BMS COMMUNICATION CONNECTIONS iCOM MICROPROCESSOR AND I O BOARD ETHERNET CABLE FIELD SUPPLIED TB3 P 2 DETAIL A 1 2 A UNIT TO UNIT NETWORKING SWITCH FIELD SUPPLIED P95 DVI D CABLE CONNECTION TO 7 INCH ICOM DISPLAY P100 POWER SUPPLY TO 7 INCH ICOM DISPLAY ...

Page 80: ...P64 E5 P67 P66 P11 P12 P21 P20 P13 P7 P76 P95 P100 P75 2 iCOM MICROPROCESSOR AND I O BOARD TB3 P71 P72 P74 P64 E5 P67 P66 P11 P12 P21 P20 P13 P7 P76 P95 P100 P75 2 iCOM MICROPROCESSOR AND I O BOARD NOTE For dual unit network configurations only P95 DVI D CABLE CONNECTION TO 7 INCH ICOM DISPLAY P100 POWER SUPPLY TO 7 INCH ICOM DISPLAY P95 DVI D CABLE CONNECTION TO 7 INCH ICOM DISPLAY P100 POWER SUP...

Page 81: ...door field refrigerant piping must be insulated 1 2 minimum thickness All outdoor insulation must be UV and ozone resistant 6 Components are not supplied by Liebert but are required for proper circuit operation and maintenance DA250 with top piping has internally installed traps on the discharge lines 7 Traps must be installed and horizontal lines pitched to ensure proper oil return and to reduce ...

Page 82: ...erant piping must be insulated 1 2 minimum thickness All outdoor insulation must be UV and ozone resistant 6 Components are not supplied by Liebert but are required for proper circuit operation and maintenance DA265 with top piping has internally installed traps on the discharge lines 7 Traps must be installed and horizontal lines pitched to ensure proper oil return and to reduce liquid flood back...

Page 83: ... 8 O D Cu 1 5 8 O D Cu Liquid Circuit Hot Gas Circuit 114 3 4 2914 84 1 8 2138 1 1 2 Connection Size Opening Top View Bottom View POINT Description Electrical Conn High Volt 117 12 2984 8 1 8 206 1 1 2 2 1 2 Notes 1 Drawing not to scale All dimensions from right corner on service side and have a tolerance of 1 2 13mm 2 Field pitch Condensate Drain line a minimum of 1 8 3 2mm per 12 305mm All units...

Page 84: ...ine 3 Pitch horizontal hot gas piping at a minimum of inch per 10 feet 42mm per 10m so that gravity will aid in moving oil in the direction of the refrigeration flow 4 Unit piping entrance varies by unit and may be through the top of the unit 5 All indoor and outdoor field refrigerant piping must be insulated inch minimum All outdoor insulation must be UV and ozone resistant 6 Consult factory for ...

Page 85: ...0 feet 42mm per 10m so that gravity will aid in moving oil in the direction of the refrigeration flow 4 Unit piping entrance varies by unit and may be through the top of the unit 5 All indoor and outdoor field refrigerant piping must be insulated inch minimum All outdoor insulation must be UV and ozone resistant 6 Consult factory for any exceptions to the above guidelines Field Piping Internal EEV...

Page 86: ...h horizontal hot gas piping at a minimum of inch per 10 feet 42mm per 10m so that gravity will aid in moving oil in the direction of the refrigeration flow 4 Unit piping entrance varies by unit and may be through the top of the unit 5 All indoor and outdoor field refrigerant piping must be insulated inch minimum All outdoor insulation must be UV and ozone resistant 6 Consult factory for any except...

Page 87: ...f inch per 10 feet 42mm per 10m so that gravity will aid in moving oil in the direction of the refrigeration flow 4 Unit piping entrance varies by unit and may be through the top of the unit 5 All indoor and outdoor field refrigerant piping must be insulated inch minimum All outdoor insulation must be UV and ozone resistant 6 Consult factory for any exceptions to the above guidelines Field Piping ...

Page 88: ... DPN001040_REV4 LIEBERT DSE FILTER REPLACEMENT DA250 DA265 Unit side panels fan deck and compressor module hidden for clarity Filters are removed and installed through this position of the filter rack Filters accessed through gallery side service door ...

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Page 90: ...Vertiv Liebert DSE Thermal Management System Installer User Guide ...

Page 91: ... names and logos referred to are trade names trademarks or registered trademarks of their respective owners While every precaution has been taken to ensure accuracy and completeness herein Vertiv Group Corp assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions Specifications are subject to change without notice SL 18...

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