Knürr® DCL User Manual - Emerson Network Power
Contents
1. X1 AB transfer switch A position 9 vrf ER 2 o o o o o QF8 9 F1 F3 F5 Fan group 1 Fan group 2 Fan group 3 F12 F i i Number of fans osition 4 5 M10 door release M2 M3 M4 M5 M6 P Condensate pump position 13 Position 14 C W W W An 8 aes J g 8 95 8 em m m m m m m om Touch panel n m I 1 position 12 m I 112 temp sensor B 9 A109 gt A104 5 i 5 i Humidity sensor position 15 I valve B A Port 1 valve Redundant valve drive position 10 500 water leakage sensor gateway Port 2 and 3 RS 485 600 Port 4 g Automatic door opening main board door contacts XSA smoke detector 4 position 20 am s A202 LAN 1 LAN 2 Clog switch x 2 AB transfer switch position 11 Temperature sensors Digital custommer A401 mn position 20 position 19 2 1 9 XTS door contact A203 E 9 Calorific meter A403 y 9 alarm relay position 14 9 W N 9 g Automatic door opening XCPA condensate pump fail A404 a door contacts Calorific meter EJ position 20 position 14 A302 if redundant 9 i W Temperature sensors External sensors A409 E position 20 9 A303 9 C Cold W Warm V F2. EREE tt Ete ft ft Color 1 RAL 7021 grey black G RAL 7035 light grey 2 non standard color SFA 17 18 Free Communication 0 standard HTTPS SSH MODBUS TCP SNMP D input output customer M Modbus RTU B Bacnet V input output customer Modbus RTU W input output customer Bacnet Server rack monitoring 0 none 1 door contacts 1 rack 2 door contacts 2 racks A door contacts 3 racks B door contacts 4 racks 3 2 temperature sensors 1 rack 4 2x2 temperature sensors 2 racks C 3x2temperature sensors 3 racks D 4 2 temperature sensors 4 racks 7 door contacts temperature sensors 1 rack 8 door contacts temperature sensors 2 racks E door contacts temperature sensors 3 Racks F door contacts temperature sensors 4 Racks Packaging P Land freight short distance pallet shrink wrap cardboard protection S Seaworthy air freight long distance wooden crate Special features A No SFAs standard unit X SFA included 23 25 Factory configuration number es gt EMERSON Table of contents 1 1 1 2 3 1 3 2 3 3 3 5 4 1 4 2 4 3 4 4 4 5 4 6 4 7 9 1 5 2 5 3 5 4 5 5 5 6 5 7 6 1 6 2 10 10 1 10 2 10 3 10 4 Unit configuration number Block diagram Safety Safety symbols Safety notice Application conditions Description General function Modes of operation Overview and dimensions Tec
3. C 1 2 Configuration Cabinet type Kn rr DCL kW Kn rr DCL 34 kW o DCL Ro DCL Lo DCL Ha Commisson number jj 44 Serial number Special remarks 2 State Check 2 1 General State Customer s proof of bearing capacity of ground transport ways Check of alignment Transport damage to housing yes m no m Remarks Residual packaging removed yes m no 67 es EMERSON Assembly tools removed yes o no Air ducts checked yes El no m Server cabinet front plates closed lamellas at fan rack unit aligned Connecting opening Kn rr DCL server cabinet 2 2 Chilled Water System within the Facility Chilled water with anti freeze without anti freeze Kn rr DCL Connected to CTU cold water system direct Circuit in building direct a Chilled water temperature primary Feed C Return C Chilled water pressure Feed bar Return bar Connection set of interne valves with Kn rr connection set set of external valves Customer s hydraulic plant OK visual check yes no o RP 2 3 Electrical Data Documents Power circuit diagram enclosed yes m no m Remarks Cabling checked Acceptance protocol for electrical installation available yes no Remarks 3 Functional Check 3 1 Mechanical Functions Damage to heat exchanger Connec
4. 0 5 0 5 1 4 ANSI B 1 20 1 NPT adaptor 28 es EMERSON i 5 Ta PZ VATE I a L W U i Le kI w K CHILLED WATER INLET top connections THREADED CONNECTION for optional devices CHILLED WATER OUTLET top connections CHILLED WATER OUTLET bottom connections CHILLED WATER INLET bottom connections Hydraulic schematic 29 amp EMERSON Network Power 4 4 Control The main task of the control is to provide constant temperature conditions to the installations in the serv er cabinet at varying loads as well as to run the supporting system in an energy saving mode Another task is the comprehensive visualization and transfer of monitored parameter with process de cisions derived to guarantee availability everything with view of data exchange and access via the network A series of control and monitoring options complements the basic concept for all applications that occur and that are to be safeguarded Temperature is controlled depending on the inside temperature in the server cabinet Fan control Fan speed is controlled by air temperature sensors 3 supply sensors or 3 return sensors Air tem perature is constantly monitored and fan speed is adjusted accordingly to provide sufficient amount of cooling air Any sensor can be selected as a control sensor Fan speed can also be set manually or auto matically Minimum f
5. 97 5 a Lg FE ua un Th Meebo 830 34 kW unit drawing Li T IZ ERE p cmn En P i w tE ol t fg E rer Te n HH RC ho ga m pt eau PE po npo Poco 15 g N D A j A AFA V Water return Water return water intake DCL 34 2222 mm DCL 30 2000 mm unit unit cable inlet H2000 8202 71200 1200 222 H2000 8300 11300 Levelling feet position 16 g EMERSON Network Power BOTTOM side top view FRONT Floor cutouts dimensions 6 85 174mm 1 85 4 mm Chilled water connection location 17 es EMERSON A The air inlet outlet opening must in any case be kept unobstructed to guarantee free air 3 5 Technical specifications Housing material Ambient temperature range Absolute humidity Cold air outlet after heat exchanger Temperature difference via server Chilled water Cooling capacity depending on number of fans Chilled water temperature feed Nominal capacity at Max operating pressure chilled water Connection feed return circulation Do not cover them by separate installation such as socket strips Frame
6. Caution Hot surface Defect fans power supply units or control boards may have run hot Allow them to cool down prior to any works es gt EMERSON 2 Application conditions Appropriate use The device is an add on in row cabinet for circulation cooling and is only used for the removal heat from server cabinets to protect temperature sensitive components The cooling system cabinet Knurr DCL works thermally independent of the room air or as an open system in conjunction with open server racks The total heat load issued from the installed equipment is taken out to be absorbed by a chilled water circuit in the building For reliable function of the DCL chilled water must be available in an appropriate amount at the appropriate temperature and pressure The water quality must be in accordance with table on page 65 see Annex One of the fans must be running at all times at least at minimum speed If this require ment can not be met the chilled water supply must be stopped This requirement is cru cial for the device proper function 10 C to 35 C 40 F to 95 F Ambient temperature at the site of installation other temperatures upon request Air supply side Absolute humidity at the site of installation Recommended 8 g H O kg air Water temperature feed 4 20 C 10 C 50 F feed Nominal capacity at 16 C 61 F return Use of anti freeze in chilled water Not recommended upon request Wat
7. 3 Device Monitor Status DCL User 4 Status Rack Alarms Into User 6 Power Monitoring User 5 Device Control User 7 Settings 8 Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup Delete User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Emerson Network Power Knuerr DCL Mozilla Firefox Knuerr DCL Name Password Password repeat Type ser JE I usr user w Password isi User password Datei Bearbeten Lesezeichen Extras Emerson Network Power Knuerr DCL EMERSON Network Power Device Identification Knuerr DCL System Time Knuerr GrnbH Group 1 192 168 Day Global Month Status Global Year Device Monitor Status DCL Hour Status Rack Alarms Info Second Minute Power Monitoring Device Control Settings Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Knuerr DCL kn rr kn rr NTP Server Time setings 57 EMERSON Network Power Service section Emerson Network Power Knuerr DCL Moz
8. Control Settings Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Email setup Emerson Network Power Knuerr DCL Mozilla Firefox amp Emerson Network Power Knuerr DCL s EMERSON Network Power Device Identification Knuerr DCL Knuerr GmbH Group 1 Global Status Global Device Monitor Status DCL Status Rack Alarms Info Power Monitoring Device Control Settings Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data SOL Setup Save IP address Port Database User Password MySQL MS SQL Oracle Write Cycle minutes Knuerr DCL Database Type SQL setup 56 2 knurr EMERSON Network Power Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe 5 Emerson Network Power Knuerr DCL EMERSON Network Power Device Identification Knuerr DCL User Administration Knuerr GmbH Create User Group 1 192 168 0 88 User User 1 Global User 2 Status Global 2 User
9. DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe amp Emerson Network Power Knuerr DCL Knuerr DCL kn rr EMERSON Network Power Device Identification History of analogue values Knuerr DCL Knuerr GrnbH supply air C Group 1 return air C Global Status Global Device Monitor Status DCL Status Rack Alarms Info Power Monitoring Device Control Settings Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal 000 2 00 400 6 00 8 00 Device Configure Controller Settings Commissioning Zum hineinzoomen gewiinschten Bereich mit der Maus markieren tours Zum herauszoomen Bereich im kleinen Diagramm mit der Maus w hlen Data Log Support Device Data Data logging Emerson Network Power Knuerr DCL Mozilla Firefox 4 Emerson Network Power Knuerr DCL EMERSON Knuerr DCL kn rr Network Power Device Identification System Information Knuerr DCL Knuerr GmbH Group 1 192168 Running Application coolloop Software Application Version 21 0 Global HMI Version 24230 Status Global Hardware Platform D2963 81 Device Monitor Status DCL Kernel Version 2 6 26 2 686 Status Rack Alarms Power Monitoring Device Control Settings Alarm Settings Ersatzteiliste Spare Parts pdf Remote Sensors 5 Grouping 01 998 334 0 b pdf Network Set
10. pallet Use 3 of the 4 bolts to secure the ramp to the pallet 3 Remove the wedges 4 Roll the unit of the pallet Two people are required to do this gt EMERSON Unit positioning Roll the unit into desired position Use 8mm open jawed ring spanner to detach stabilizer bar from brackets Use 8mm open jawed ring spanner to detach the brackets from unit frame Adjust leveling feet P OQ N Built in casters allow rolling the Kn rr DCL into position for installation Stabilizers reduce the likelihood of the unit tipping over These stabilizers must be removed before the unit is positioned in the row use hexagonal socket driver 8 mm Adjustable leveling feet prevent moving after positioning Once posi tioned the Kn rr DCL must be secured either to the floor with the included shipping brackets or to an adjacent cabinet 24 G ly EMERSON 4 2 Securing brackets Securing brackets for DCL and DCM DCL and the added on server cabinet or cabinets are bolted with each other by means of the connecting set in order to reach the required stability Available securing brackets are shown in chapter 11 3 4 3 Chilled water connection Notice Risk of water leakage Can cause severe property damage and loss of critical data centre equipment This unit requires a water drain connection Improper installa tion application and service practices can result in water leakage from the unit Do not locat
11. qualified personnel wearing appropriate safety headgear gloves shoes and glasses should attempt to move lift or remove packaging from the Kn rr DCL or prepare the unit for installation Notice Risk of overhead interference Can cause unit and or building damage The unit may be too tall to fit through a doorway while on the pallet Measure the unit and doorway heights and refer to the installation plans prior to moving the unit to verify clearances Notice Risk of improper unit storage Can cause unit damage Keep the unit upright indoors and protected from dampness freezing temperatures and contact damage A amp m All the packaging material is recyclable Please save this material for future use or dispose of itin accordance with local waste policy and laws After the Kn rr DCL unit arrives and before it is unpacked verify that the delivered equipment matches the bill of lading Examine the packaging for any signs of mishandling or damage Inspect all items for damage visible or concealed Report any damage immediately to the carrier and file a damage claim Send a copy of the claim to Kn rr or your Kn rr representative Transport the packaged Kn rr DCL using a forklift pallet jack or a crane with slings and spreader bars that is rated for the weight of the unit See table in chapter 3 3 for the unit weights If using a fork lift or pallet jack make sure the forks if adjustable are spread to the w
12. Kn rr DCL User Part number 01998440_001_ Revision 0 Author M Blass Date 27 8 2013 Reviewed H Ebermann Date 27 8 2013 Racks amp Solutions for Business Critical Continuity 4 Away lt gt EMERSON amp EMERSON Network Power Unit configuration number Model number Part 1 2 12 13 Type of application L closed loop architecture without external panels H hybrid architecture without external panels R in row cooling with external panels Depth 1 1 000 mm DCL R version only R 1 100 mm not for DCL L version 16 2 1 200 mm H 1 300 mm Mechanical options 0 none two units per pallet possible D caster bracket only one unit per pallet with ramp 19 Electrical connection 2 230V AC 1 phase 50 60Hz 4 230V 1 phase 50 60Hz CE with A B transfer switch A 230V AC 1 phase 50 60Hz 2 pole B 230V AC 1 phase 50 60Hz 2 pole CE with A B transfer switch P 208 230V AC 2 pole 50 60Hz CSA S 208 230V AC 2 pole 50 60Hz CSA with A B transfer switch Display 0 none Y 5 7 display 14 5 cm touchscreen 21 Preparation for automatic door release system 0 none 1 prepared for one server rack 2 prepared for two DCM server racks 3 prepared for three DCM server racks 4 prepared for four DCM server racks 22 Model details Part 2 2 16 17 18 19 20 21 22 23 24 25
13. SON Network Powel Volume flow adjusted yes no externala Volume min Remarks Correctness of above values is hereby confirmed Commissioning was performed during on going operation Customer Date 70 externala Signature es EMERSON 10 4 Electrical box connectors description Terminal XTS Terminal XAB Terminal XAI Terminal Terminal XPFC Terminal XSP2 gt QN CA S L TJ S i gt U O Q S i U QN CA D gt gt gt gt OUO NeT 5 ON Q DU Function COM 24V C N COM 24V NC free free Function COM 24V NC 24V NC free free Function free free free free COM 24 NO Function 24V supply GND supply free free Function NO COM free COM 24 NC Function free free free free free free 71 Description door contacts door contact front door closed door contact door closed Description A B transfer switch Mains A powered ON Mains B powered ON Description water alarm Description Power supply switch Description relay general alarm default relay deactivated for failure soft ware invertable Failure cooling unit external default wire bridge Description EMERSON Terminal XSP3 Terminal XBLK Terminal XCPA Terminal XSA Terminal
14. When connecting the condensed water tube take care that the condensed water line is connected to a siphon trap with a non return valve and self filling and that the condensed water line is inclined The level of installation of the respective siphon trap must be designed for negative or excess pressure respec tively of 300 Pa so that sucking in air or releasing it from the sewage system is prevented Condensed water is drained de pressurized or optionally by means of condensate water pump Condensate tray X Condensate pump LWD sensor 2 AE Actual condensate pump location 32 gt EMERSON Pump performance Head ft Flow GPH Head m Flow LPH 1 2 5 0 3 9 5 9 1 5 1 5 5 7 10 1 3 0 3 8 15 0 7 4 6 2 6 20 6 6 1 2 3 To ensure proper condensate drainage please keep the unit level or biased to the front side slightly 4 6 Electrical connection WARNING Risk of arc flash and electric shock Can cause injury or death Disconnect all local and remote electric power supplies and wear appropriate personal protective equipment per NFPA 70 before working within Therefore take the cabinet out of op eration prior to assembly and secure it against unauthorized re connection The device must only be connected electrically by authorized personnel electrically skilled staff Thereby the personnel must make sure that during such connecting works the cabinet remains free from voltage and is s
15. XHU Terminal In DY NEY NEY 5 5 D TI I Function free free free free ree free Function Out 1 ON GND Function COM 24V NC Function 24V supply GND supply COM 24 NO Function 24V supply GND supply 0 10V GND 0 10 Function 230V L 230V N PE Description Description beacon Description condensate pump failure Description smoke alarm Description air monitoring humidity Description condensate pump power 15 16 not on the rear of the E box cable ending near valve Terminal X15 Terminal X16 Pin 1 QN QN W 8 Function 24V supply GND supply 0 10VDC free 2 10VDC free Function 24V supply GND supply 0 10VDC free 2 10VDC 72 Description Valve control valve position feedback valve position Description Valve redundant heat exchanger control valve position feedback valve position
16. an speed is 25 For closed loop units DCL DCL H there is a bypass pipe with temperature sensor running from back to front This solution allows indirect monitoring of pressure difference and accurate fan speed adjustment to provide sufficient amount of cooling air Return and supply temperature sensors location Cooling capacity control A three way or two way valve manually adjustable adjusts the chilled water flow to modify cooling ca pacity This is to avoid low temperatures during a partial load operation In the event of failure the valve will close and the entire volume flow will be run via the bypass To keep desired temperature at the air supply side the valve controls the water flow between 0 and 100 of the designed flow rate distribution and quantity control 30 gt EMERSON Network Power Temperature Sensor 1 1 4 chilled water supply Lr ETE IG a _ FH Chilled water system 31 Air bypass line 3 way valve with drive Manual ball valve bypass line 1 1 4 chilled water return g n 4 IIT IAI r u Ba Al LJ 4 5 Condensate drain connection Condensation may occur during operation of the DCL unit For draining such condensed water a con densed water connection of a diameter of 5 8 is provided for in the condensed water tub as well as the condensate pump optional
17. and prevent it from being re started A A N Disassembly of the DCL unit unit may be performed by qualified personnel only Shut down the chilled water system before disassembly and prevent it from restarting Dispose all the components and parts in accordance with local waste management and regulations We recommend a recycling company All components consist of y 2 Aluminium steel brass copper Marked plastic components 9 Customer service and applicant s address EMERSON NETWORK POWER EMEA Racks and Solutions Kn rr GmbH Mariakirchener Str 38 94424 Arnstorf Germany 498723270 T 49872327154 thermalmanagement EMEAhelpdesk emerson com servicecooling networkpower emea emerson com 64 EMERSON 10 Annexes 10 1 Quality requirements for water Mechanical impurity dp lt 0 3 mm Moderate level of mechanical impurities and hardeners Moderate level of chemical impurities Add deadening agents and inhibitors Biological impurities bacteria and algae Add biocides s _ _ 9 C o aggressive anda Ogio 65 es EMERSON 10 2 Check list for setting up the device Performed checks Done to be signed upon completion Check device for damage upon receipt Check the ground for being horizontal Check bearing capacity of ground Add on and align connect to server cabinet position feet of Kn rr DCL and ad
18. ceeding with installation f x read all instructions verify that all the parts are included and check the nameplate to be F sure the unit voltage matches available utility power Microprocessor controller does not inaug isolate power from the unit even in the Unit Off mode Some internal components require and receive power even during the Unit Off mode of the embeded controller An optional factory supplied disconnect switch may be installed is inside the unit The line side of this switch contains live high voltage when switched off You must open all local and remote electric power disconnect switches to ensure that there is NO live hazardous voltage po tential inside the unit Refer to the unit electrical schematic Follow all local codes Risk of improper maintenance Can cause equipment damage All maintenance must be performed only by authorized properly trained and qualified personnel All maintenance operations must strictly observe national state and local accident prevention regula tions especially the regulations concerning electrical systems refrigerators and manufacturing resourc es Air conditioning equipment maintenance may be performed only by authorized properly trained and qualified personnel To keep all warranties valid the maintenance must adhere to the manufacturer s regulations Ignoring safety instructions can be dangerous to persons as well as to the environment Soiled parts always cause a loss of performance an
19. cks and is intended to be used alongside such racks there are options available for adjacent racks See unit configuration number digit 20 Door contacts Temperature sensors Status of present and connected sensors is then shown on the display and or in the web monitoring interface See chapter 6 44 EMERSON i Network Power 6 User interface 6 7 Display screens Unit display is color touch operated display To select desired item just press the button wit your finger Three languages are currently available After language choice you can proceed to Menu User menus provide basic overview of the unit oper ation To proceed to higher levels Admin Service Factory you have select desired level from the touch menu and insert correct user name and password Using incorrect user name and or password will cause error message to appear amp EMERSON Network Power For user there are some basic screens available See pictures bellow Hours run Diagrams Information Alarm history Active alarms State global State Gives you information about running hours for each of the fans for the ease of maintenance Graphical representation of temperatures etc Displays information about controller and firmware version Shows information about past alarms including duration Displays currently active alarms Gives information about all cooling units in the network Displays multiple pages about cu
20. d for switch or control devices can lead to the breakdown of a plant Only original spare parts made by Emerson Network Power may be used Using third party material can void the warranty When making seeking technical assistance always refer to the component list supplied with the equipment and specify the model number serial number and if available the part number Conduct monthly quarterly biannual and annual checks according to the following guidelines A NOTICE When replacing a component follow the relevant manufacturer instructions When the replacement parts must be brazed be careful not to damage the internal parts gaskets seals O rings etc 60 es EMERSON All tasks and time periods listed here are the manufacturers regulations and must be documented in an inspection report Follow the maintenance schedule bellow skip the parts with no relation to your unit Component Maintenance period Monthly Every 3 Every 6 Annually by user months months Check unit display for clogged filter warning Check for irregular noises from the unit fans Check state of the filters X Replace filter if necessary EN X Check filter switch functionality EE Verify impellers move freely X Check bearings Check motor mounts for tightness Check condition of contacts Electrical Elec Check electrical connections tronics Check operation of controller Check unit operation s
21. e device doors are to be opened in order to avoid any heat from piling up inside the housing In such a case the heat is dis charged as thermal load to the ambient room of installation Note Optionally automatic door opening at the server rack can be provided which would facilitate the use of ambient air for cooling the server temporarily For maintenance purposes both the front and the rear doors can be opened jointly or separately However cooling of the equipment must be granted 3 3 Overview and dimensions DCL 30 DCL 34 Nominal cooling capacity 30 kW 34 kW Air flow without filter 5000 m3 h 3237 6000 m3 h 3885 CFM Water flow 4 5 m3 h 20 GPM 5 0 m3 h 22 GPM Max water pressure 10 bar 145 PSI 10 bar 145 PSI Number of fans 5 6 Fans power consumption 5x170 W 6x170 W Dimensions WxDxH 300xD x2000 mm 300xD x2222 mm dM E d 10 721 2 83 gal 11 931 3 15 gal Sensible cooling at 10 16 50 F 61 F water temperature and 37 C 100 F air inlet temper ature Depends on unit configuration See unit configuration number dimensions 1000mm 1100m m 1200mm 1300mm QQ lt lt EMERSON al aie I E SS Pls Kn r DCL Cross section 12 EMERSON N Description O Fan groups 5 or 6 fans total depending on version 6 _ AB transfer switch 8 Fan i
22. e the Kn rr DCL directly above any equipment that could sustain water damage Emerson recommends installing leak detection equipment for the unit and supply lines NOTICE Risk of corrosion Can cause equipment damage Read and follow individual unit installation instructions for precautions regarding fluid system design material selection and use of field provided devices Kn rr systems con A tain iron and copper alloys that require appropriate corrosion protection Contact a local water consultant regarding water quality corrosion and freeze protection requirements and follow their recommendations for monitoring and treatment of the wa ter coolant fluid Water chemistry varies greatly by location as do the required additives called inhibitors that reduce the corrosive effect of the fluids on the piping systems and components The chemistry of the water used must be considered because water from some sources may contain corrosive elements reduce effectiveness of the inhibited formulation Preferably chilled waters that are classified as soft and are low in chloride and sulfate ion content should be employed Proper inhibitor maintenance must be performed in order to prevent corrosion of the system Consult glycol manufacturer for testing and mainte nance of inhibitors Commercial ethylene glycol Union Carbide Ucartherm Dow Chem ical Dowtherm SR 1 and Texaco E G Heat Transfer Fluid 100 when pure is generally l
23. ecured against being switched ON by unauthorized parties Internal sockets can be used only by authorized persons As soon as all precautions for assembly have been taken you may start to install the electrical connec tion Check whether the voltage and frequency as provided by the customer as well as the size of pre fusing correspond with the specifications on the nameplate The connection to the power supply will be effected via a connection line to be provided and which is to be connected to the terminal board 33 EMERSON Electronics MCB Fan group 1 MCB Fan group 2 MCB Fan group 3 MCB Electrical connections For connection of the device to power Switch off main switch Derive the connection scheme from the power flow diagram Connect the line to the IT network Check for safe grounding connection 34 EMERSON Put the DCL into operation again in accordance with instructions Switch all automatic safety cut outs ON The device fans start turning clock wise Warning Risk of electric shock Can cause injury or death This unit has high leakage current potential Proper earth ground connection per national and local codes is re quired before connection to the electric power supply Change of lithium battery belongs only to the manufacturer the battery is soldered to the control PCB caution risk of explosion 1 L 239 5 e o E
24. equence Check for leakages general condition WE Chilled water Check water inlet and outlet temperatures circuit Check water valve operation as Check coil condition ass Air circuit Check pipeline conditions Water pump Check functionality EE Maintenance schedule X 61 EMERSON Dirty filters Replace filter sensors correct positioning Cold hot air short circuit Verify unit positioning Check contain ment sealing Insufficient room cooling capacity Reduce rack heat load or add cooling units Room humidity is off the limit Check room conditioning Water drops carried by airflow Unit is not properly levelled Adjust the levelling feet Condensate pipe is clogged Remove pipe obstruction Water circuit leak Locate the leak and fix it Water on the floor around the unit Broken piping insulation Repair the insulation Incorrect positioning of remote tempera Verify remote temperature sensors ture sensors correct positioning Noise level is higher than expected Unbalanced heat load Enhance rack heat load distribution Unsteady air delivery temperature Display cable disconnected Connect the cable Local display not operational but unit Display cable damaged Replace the cable operates Unit electrical supply is off Restore power supply Local display not operational and the i Main switch is off Switch the unit on unit does not operate Basic troubleshooti
25. er Monitoring Privacy Type Privacy Key write community private Trap Host 1 1 1 199 101 Device Control Settings Trap community 1 public Alarm Settings v3 Trap Host 1 v3 Trap Host 2 Trap Host 2 1 1 199 201 User Alarms v3 Trap Host 3 Remote Sensors Trap community 2 public Grouping v3 Trap Host 4 Network Setup l Trap community 3 Email Setup Engine ID Trap Host 4 User Time Trap community 4 SQL Setup Config Files System Bus Power Internal sysDescription Knuerr CoolCon 2 Device Configure sysoID 1 36 1 4 1 2769 2 4 sevehostame Controller Settings Hostname Commissioning sysLocation Knuerr GmbH Operating Hours Hostname KKnuerr DCL sysContact Service service knuerr com Data Log Charts Support Device Data SNMP setup 55 EMERSON Network Power Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe 4 Emerson Network Power Knuerr DCL EMERSON Knuerr DCL Network Power Device Identification Knuerr DCL Auerr Gmb knuerr GmbH save Group 1 Email Configuration SMTP Server Address Global Sender yvon coolcon 1 5 Status Global To AN Device Monitor Status DCL ce Status Rack Bcc Bec Alarms I Info Subject Prefix Prefix Power Monitoring Device
26. er connection Top or and bottom see Unit code Condensed water connection Top or and bottom see Unit code Max operating pressure 10 bar 145 psi g EMERSON 3 Description 3 1 General function Kn rr DCL is a chilled water cooling unit to be installed side by side with racks Its modular design per mits to be added on to the right to the left or on both sides and also centrally between two server racks to be cooled There is a possibility to adjust air flow pattern using modular panel system Kn rr DCL complies with the conditions of EN 60950 Heat emitted by installed equipment e g servers is reliably removed using the cold water system in tegrated in the Kn rr DCL The cooling system is entirely safe in itself so that water is prevented from ever entering the server area Air that has been heated by the server to e g 35 is led through the laterally arranged wall openings or through the rear door to a special air water heat exchanger Heat is absorbed there and the air is cooled down to e g 20 25 The cooled air is now provided again by speed controlled fan boxes at the front of the server Non return valves thereby prevent any re circulation within the fan boxes The chilled water is provided by a water chiller installed in the building Below the heat exchanger there is a tub for collecting condensed water with a 5 8 outlet The Kn rr DCL can optionally come with a condensed water pump to pump the po
27. ess corrosive to the common metals of construction than water itself It will however as sume the corosivity of the water from which it is prepared and may become increasingly corrosive with use if not properly inhibited 25 es EMERSON All the control and measuring armatures are installed within the Kn rr DCL Their connection is made about 10 20 cm above the bottom or at the top of the Kn rr DCL By closing the internal ball valve the configuration can be changed from 3 way valve to 2 way valve Field installed piping must be installed in accordance with local codes and must be properly assembled supported isolated and insulated All piping below the elevated floor must be arranged so that it offers the least resistance to airflow Careful planning of the piping layout under the raised floor is required to prevent the airflow from being blocked When installing piping on the subfloor Kn rr recommends installing the pipes in a horizontal plane rather than stacked one above the other Whenever possible the pipes should be run parallel to the airflow Condensate Piping Field Installed Do not expose drain line to freezing temperatures Drain line must comply with local building codes Emerson recommends installing under floor leak detection equipment Requirements of Systems Using Water or Glycol These guidelines apply to the field leak checking and fluid requirements for field piping systems includ ing Kn r
28. from aluminum profile steel sheet galvanized and powder coated 10 C to 35 40 F to 95 Recommended 8 g kg air 20 25 C acc to ASHRAE Approx 15K depending on server equipment 30 kW 5 fans and 34 kW 6 fans 4 20 10 C 16 C 50 F 61 F water temperature and 37 100 F air inlet temperature 10 bar 145 psi male thread ISO 228 union connection flat sealed 18 ons JOJOBIBUO edA 2 G X 9 ons 2 9 V DuisnJ I leu19 x3 s EMERSON ZH09 0S OV 806 2 09 04 OV AO0 C 2 09 04 OV AO0 C 806 2 09 04 OV AO0 C ZH A suol 13 0009 0009 U W jos UOJ SSO 9JnssaoJd 10d 55091 559 006 006 i i JO JoquinN ve 06 Ayioedeo 19 es gt EMERSON 4 Unpacking and installation 4 1 Unpacking Warning Risk of top heavy unit falling over Can cause equipment damage personal injury or death Read all of the following instructions before attempting to move lift or remove packaging from the Kn rr DCL Caution Risk of sharp edges splinters and exposed fasteners Can cause personal injury Only properly trained and
29. g In case the unit has been ordered with casters there is no longer a possibility of fitting 2 units on one pallet Levelling foot Caster Stabilizer bar Servicing and maintenance work is to be performed by correctly trained personnel only and in accordance with applicable regulations as well as manufacturers specifica tions 39 4 EMERSON Network Power 5 2 AB transfer switch The A B change over circuit offers the possibility to supply the CRV DCL control equipment and fans from two independent mains supplies The switch operation is automatic The switch is located in the back of the unit There are two cables to connect the CRV DCL to the external mains These cables are connected to the cabinets internal circuit by the terminal X X1 1 phase X1 2 neutral X1 3 PE for mains A and X2 1 phase X2 3 neutral X2 4 PE for mains B Please pay attention to the recommended external fuse The change over circuit itself consists of the contactors Q11 to 014 01115 an auxiliary contactor an presets the circuit to supply from mains A if the both mains supplies are powered up Only in the case at mains A power is off the circuit switches automatically to mains B When powering up mains A again the circuit switches automatically back to mains A The change over time is about 10 milliseconds The interruption causes no alarm signal power failure It only shows witch feed is powering the unit The ma
30. hnical specifications Unpacking and installation Unpacking Securing bracket Chilled water connection Control Condensate drain connection Electrical connection Sealing the housing Options Caster bracket AB transfer switch dual power supply Filter only for DCL R Chilled water monitoring Environment monitoring Communication Server rack monitoring User interface Display screens Web interface Maintenance and repair Disassembly and disposal Customer service and applicant s address Annexes Quality requirements for water Check list for setting up the device Commissioning protocol Electrical box connectors description CO OO O AN 9 O 0 0 O OI HPP A GO N N N N N OI OI Q QO O NANO Q Q Q co gt EMERSON Block diagram
31. idest possible distance that fits under the pallet Make sure the fork length is suitable for the pallet length When moving the packaged unit with a forklift or pallet jack lift the unit from either end of the pallet WARNING Risk of improper handling or moving Can cause equipment damage injury or death When handling the packaged Kn rr DCL with a forklift or pallet jack do not lift it any higher than 4 102mm off the floor Any personnel not directly involved in lifting the unit must be at least 12 ft 3 7m from the unit List of required tools Phillips screwdriver PH3 Utility knife Hexagonal socket screwdriver 8mm Allen Open jawed ring wrench 8mm Hexagonal key 6mm Allen 20 t EMERSON Network Power Wooden crate disassembly 1 Locate and remove all the bolts holding side walls of the crate together Number of bolts can vary 2 Take all the side panels of Two people are required to do this Rolling the unit off the ramp 1 Use utility knife to cut the shrink wrap Remove cardboard protectors 21 t g EMERSON Network Power Locate the ramp detach it and place it in the designated position 22 s EMERSON Network Power 1 Use the open jawed ring spanner to undo the bolts securing the unit to the pallet Please note that from this moment on the unit is not secured to the pallet and is prone to tilting 2 Align the holes in the ramp to the holes in the
32. illa Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe amp Emerson Network Power Knuerr DCL s EMERSON Network Power Device Identification Knuerr DCL Controller Settings Knuerr GmbH Group 1 192 168 0 88 Fan Controller Function Global Manual Value Status Global Device Monitor Status DCL Tn Status Rack Tv Alarms Info Control Sensor Power Monitoring Control Sensor Calculation Device Control Settings weighting Sensor Top Alarm Settings Weighting Sensor Middle User Alarms ADAE Re S Weighting Sensor Bottom Grouping Maximal Fan Speed Network Setup SNMP Setup Email Setup Minimal Fan Speed User Time SQL Setup Config Files Bus Power Internal Device Configure Commissioning Operating Hours Data Log Charts Support Device Data Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras 4 Emerson Network Power Knuerr DCL EMERSON Network Power Device Identification Knuerr DCL Operating Hours Knuerr GmbH Group 1 182 15 Global Status Global Device Monitor Status DCL Status Rack Alarms Info Power Monitoring Device Control Settings Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Data Log Charts Su
33. in contactors Q12 and Q13 are mechanical cou pled by part Q14 new version without Q14 which ensures that only one of the main contactors is closed The phase and the neutral wires are switched All internal equipment is connected at the output of the A B change over circuit That means fans fan control unit or RMS have a redundant supply m 1155 5 4747 b 2 40 EMERSON Network Power 5 3 Filter G1 class air filter is available to provide air purification Additionally the unit can be equipped with filter clog switch to detect dirty filters which need changing Filter is mounted in the back of the unit on metal brackets see pictures x m A 7 UA b 4 w 4 ei Ne CAN N UE EA N SE _ 4 4 L n Y cr src m a ca Lj 41 g EMERSON 54 Chilled water monitoring To manage chilled water system including condensation which can occur the unit can be equipped with several devices temperature sensors flow meter pressure difference condensate pump Pipework of the DCL unit is equipped with flanges that allow connection of additional equipment There are two flanges on the pipe before the heat exchanger and two on the pipe after the exchanger These are intended for bleeding and pressure measu
34. just them horizontally Cables connected with server cabinet Temperature sensors optional Server shut down optional Automatic door opening Door contact optional Fire alarm systems optional Cable connected with set of external valves optional Valve drive Flowmeter with temperature sensors optional Optional automatic door opening adjust ed at server cabinet No remains of packaging inside Kn rr DCL All assembly tools removed Cable bushings into the device proper and air tight Cable connections checked power supply Chilled water connection leak proof pressure tested Chilled water system deaerated Volume flow of chilled water adjusted Condensed water line unobstructed Smell trap of chilled water system functional Cooler tub connected to condensed water line Fans checked for function All front panels closed air ducts techni cally separated Place Date Signature of Tester es gt EMERSON 10 3 Commissioning protocol Kn rr DCL Commissioning Protocol 1 General Details 1 1 Customer Site of installation Customers name Customer s address G RIA Contact partner qj _ _ Phone number Site of installation room number Humidity at site of installation 22 2 2 rel humidity Ambient temperature
35. lectrical connections terminals In case your unit is equipped with optional AB transfer switch these terminals come pre connected Your connection point is then the AB transfer switch at the back of the unit Terminals X1 and X2 see chapter 5 2 es EMERSON Electronics circuit breaker Fan circuit breakers EU version 230 V 50 Hz ABB 5201 6 Number of Poles 1 Tripping Characteristic C Rated Current 1 6 00A Rated Operational Voltage U 230 V AC Rated Short Circuit Capacity I 6 0 kA Degree of Protection IP20 3 X ABB S201 C6 Number of Poles 1 Tripping Characteristic C Rated Current 1 6 00A Rated Operational Voltage U 230 V AC Rated Short Circuit Capacity I 6 0 kA Degree of Protection IP20 Circuit breakers 36 US version 208 230 V 60Hz ABB 5202 6 Number of Poles 2 Tripping Characteristic C Rated Current 1 6 00A Rated Operational Voltage U 208 230 V AC Rated Short Circuit Capacity ly 6 0 kA Degree of Protection IP20 3 x ABB S202 C6 Number of Poles 2 Tripping Characteristic C Rated Current 6 00 A Rated Operational Voltage U 208 230 V AC Rated Short Circuit Capacity I 6 0 kA Degree of Protection IP20 es gt EMERSON N i un F N gt i i N Na cL 1 x N G EN Lad i Bypass pi
36. low General conection wire Server rack monitoring Bus cable 9 Temperature sensor ly EMERSON 1 Safety 1 1 Safety symbols Attention Danger spot Safety notice Hazard by electrical current or high voltage Caution Hot surface Caution Rotating parts automatic start Disconnect from power prior to works Attention Refers to possible damage to the device gt P P P P o Hazard by electrical voltage Note Marks possible hazards for the environment Important note information es gt EMERSON 1 2 Safety notice Our engineers can give you comprehensive advice in assembling the Knurr DCL Exten i sive material functional and quality testing guaranty high benefit and a long life cycle Nonetheless such devices may cause hazards if improperly handled by untrained person nel and if used for purposes they are not intended for Carefully read this assembly and operational manual prior to assembling and commissioning the Kn rr DCL The electrical equipment corresponds with applicable VDE and accident prevention regulations There are hazardous voltages higher than 50V AC or higher than 100V DC behind cabinet doors at the fans and their hook ups Use genuine fuses of the specified current Immediately switch OFF the device if there is any disturbance in the electrical supply or in the cold water supply Hazard by electrical voltage Maintenance and cleaning
37. mperature alarm Device Configure Controller Settings Commissioning Operating Hours a return 2 lower temperature alarm return 2 upper temperature alarm Data Log Charts Support Device Data Alarm settings 1 Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe kn rr EMERSON Knuerr DCL Network Power Device Identification Knuerr DCL User Alarms Knuerr GmbH Group 1 192 16 Global Status Global Device Monitor Status DCL Status Rack Alarms Info Power Monitoring Device Control Settings Alarm Settings Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data 1 09 Charts Support Device Data User alarms 1 53 EMERSON Network Power Emerson Network Power Knuerr DCL Mozilla Firefox nik Lesezeichen Extras Hife cur SON Knuerr DCL knurr Network Power Device Identification Knuerr DOL Knuerr GmbH Overview Group 1 User Alarm Setup 1 a Global Status Global Device Monitor Status DCL Status Rack Alarms Info Power Monitoring Device Control Settings Alarm Settings E pP DW D PS P3 T I Remote Sensors Grouping Network Setup summary alarm SNMP Setup external c
38. ng 62 5 Network Power Replace fans Their normal lifecycle is approx 40 000 operating hours at a temperature of 40 C 1 Switch off the fan circuit breaker Caution Fan blades keep rotating by inertia for a while after being switched off Unscrew two bolts securing the fan power cord plug and pull the plug off Unscrew four nuts holding the fan grill Carefully slide the fan out and replace P To insert the replacing fan proceed in reverse sequence Fasten the bolts fixing the fan Switch the circuit breaker ON again Properly dispose of the replaced fan General check of the cooler annually Check heat exchanger for being soiled on the air side or for damage Check feed and return if functional If required clean the air side Visually check the water circuit at regular intervals for tightness 63 es gt EMERSON Heavily soiled heat exchangers are largely limited in their operation and must immediately be cleaned For cleaning their lamellae use a vacuum cleaner compressed air or a soft brush When cleaning the lamellae do not bend them This will increase pressure loss A Regularly check the condensed water drain and if necessary clean it 8 Disassembly and disposal Properly switch OFF all fans and other electrical components and disconnect them from their power supply Protect them against being re connected Stop the water circuit
39. nlet rings one for each fan __9 _ Heat exchanger Table contains optional features Please see unit configuration number Component location Dry net weight 5 Frame depth DCL 30 DCL 34 100 162 kg 356 Ib 180 kg 396 Ib C 166 kg 3661 184 kg 405 1b 1889 44 7 Unit weight 13 EMERSON li pu z x i a o L 5 La 2 d Lg Ch m H J t t ii bottom Connection L Sup T m m M L Sn L O T T U T T T T T T E P T T Y L3 14 L a P1 c EF c Tu reference line lan chassis H2000 800 T1200 1200 222 2000 B300 71100 00 222 0 222 2000 8100 T1300 30 kW unit drawing s EMERSON t t e m L Lt m 1 5 m n r3 ni r 3 LI a e L CES ir K dc c Lc c
40. ooling device Fan Alarms fan 1 fault User fan 2 fault Time fan 3 fault SQL Setup fan 4 fault fan 5 fault Config Files fan B fault Bus Power Internal Temperature Alarms Device Configure supply air temp lower alarm supply air temp upper alarm 1 supply air temp upper alarm 2 Commissioning supply air temp upper alarm 3 Operating Hours supply air temp upper alarm 4 return air temp lower alarm Dats return air temp upper alarm 1 Charts return air temp upper alarm 2 Email Setup Controller Settings Support Device Data User alarms 2 Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe r Emerson Network Power Knuerr DCL EMERSON Knuerr DCL 2 kn rr Network Power Device Identification Knuerr DCL GmbH Overview lt Group 1 User Alarm Setup 2 e Outputs Matrix 1 Global Status Global Device Monitor Status DCL Selection 1 Status Rack Selection 2 Selection 3 Selection 4 Outputs Matrix 2 Power Monitoring Alarms Device Control Settings Alarm Settings Remote Sensors Grouping Network Setup SNMP Setup Email Setup Outputs Matrix 3 User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data 1 09 Charts Support Device Data User alarms 3 54 EMERSON Network Po
41. oper ating pressure of the circuit components Bleed air out of the circuit It is recommended to use a hose for bleeding the system because there is a risk of water being sprayed over the optional A B transfer switch or other electronic appliances locat ed in the vicinity Gravity Drain Units Without Factory Installed Condensate Pump 26 EMERSON Network Power e 3 4 drain connection is provided on units without optional factory installed condensate pump Pitch the drain line toward the drain at minimum of 1 8 3mm per 1 foot 305mm of length 196 Drain is trapped internally Do not trap the drain external to equipment Drain line must be sized for 2 gpm 7 6 l min flow zc Pressure Kn rr DCL Gauge Xx Lukal Tubing Support Water Drain Tap LI o Bleeding point location Af g EMERSON Network Powel To prevent condensate build up on the water connection pipes cover them with appropriate insulation Insulation thickness F 9 12mm at 0 037 W m 1 K 1 10 National pipe thread conversion kit for USA use only In case on site piping provides national pipe thread NPT it is possible to connect the unit using optional conversion kit Conversion kit consists of pipe adaptor and sealing material NPT site is to be sealed with Teflon tape and the ISO 228 site with flat sealing 61174 DIN 150 228
42. pe with tempera 4d N ture sensor w WERT T Electronics connection terminals description of the connectors is shown in the annex Put the Kn rr DCL into operation again in accordance with instructions Switch the main switch on Switch all automatic safety cutouts ON A The device fans start turning clock wise This device has no own switch to mains the switch must be installed in the building electrical network Please use a protect switch 16 A according to the wiring scheme EN 60950 1 3 4 3 Typical EU voltage levels 230 V AC 1ph 50Hz Typical USA voltage levels 208 230 V AC 1 60Hz Nominal current 30kW 34kW 9 1A 10A Short circuit current rating 6 kA gt 4 TaT a r erari Veya NI L V V LIV V w 4 7 Sealing the housing The air tightness of the housing corresponds with RAL 652 In order to guarantee optimum cooling performance the housing must be sealed as follows Cut pipe duct into the foam seal it expertly with foam panel material Seal cable bushings by foaming Keep air carefully separated between the cold and warm sides of the Kn rr DCL and the serv er cabinet 38 a EMERSON 5 Options 5 1 Caster bracket Unit can be ordered with optional caster bracket which allows unit to be moved around installation area easily Castor equipped unit also comes with stabilizer bar to prevent top heavy unit from topplin
43. pport Device Data Knuerr DCL wo wo Return lt Maximum T Valve Controller Function Manual Value Control Sensor Control Sensor Calculation Weighting Sensor Weighting Sensor Middle Weighting Sensor Bottom Valve Closed Position Limit Valve Open Position Limit Controller settings Knuerr DCL Hours of operation 58 Suply Maximum 1005 100 100 96 100 96 8 EMERSON Network Power 99 es gt EMERSON 7 Maintenance repair WARNING Risk of arc flash electric shock high and low temperatures and high speed rotating fan blades Can cause equipment damage injury and death Disconnect local and remote electric power supplies and wear appropriate personal protective equipment per NFPA 70E and allow the component temperatures to become safe for human contact before removing protective covers and working within If the doors are opened immedi ately after the Kn rr DCL has been switched Off the following risks are present Electrical heaters outlet area may remain at high temperature about 212 F 100 the piping may remain at low temperature fan blades may continue to rotate These residual risks are highlighted by warning labels on the Kn rr DCL WARNING Risk of electrical shock Can cause injury and death Disconnect all local and remote electric power supplies before working within Before pro
44. r chilled water circuits General Guidelines Equipment damage and personal injury can result from improper piping installation leak checking fluid chemistry and fluid maintenance Follow local piping codes safety codes Qualified personnel must install and inspect system piping Contact a local water consultant regarding water quality corrosion protection and freeze protection requirements e Install manual shut off valves at the supply and return line to each indoor unit to permit routine service and emergency isolation of the unit NOTICE Risk of no flow condition Can cause equipment damage AN Idle fluid allows the collection of sediment that prevents the formation of a protective oxide layer on the inside of tubes Keep unit switched ON and system pump operating NOTICE Flexible pipe connection When using top CW connection please consider using flexible pipes We recommend using flexible pipes to reduce strain to the roof panels Notes for Closed Circuit Applications The installation in picture below is illustrative only for individual installations follow the project diagram Install a pump system calculated on the basis of the flow and total head of the system see site plan data e Insulate both pipes e Very important Add ethylene glycol to the circuit when the ambient temperature is below 32 F 0 C refer to the Kn rr DCL technical data manual SL 11978 Page 65 Do not exceed the nominal
45. rements There are also two ports one before and one after the heat exchanger for measuring temperature S j EI Pressure difference gives you value for chilled water flow and combined with chilled water temperature difference the cooling capacity will be calculated This is based on calorific formula All sensors come prewired Obtained information are shown on the display or in the web interface Pressure difference sensor is attached to the aluminium frame in the back of the unit Se picture below 42 y EMERSON Network Power Pressure difference sensor Condensed water pump is described in chapter 4 5 55 Environment monitoring For monitoring ambient air the unit can be ordered with smoke detection sensor optical and humidity monitoring sensor Sensors are located at the back of the electronics box in the rear of the unit on the return air side Obtained values are displayed on the display and or in the web interface Environment monitoring 43 EMERSON 5 6 Communication Various different communication protocols are available TCP IP standard always present SNMP up to V3 HTTP and HTTPS 4 Digital I O for customer specific application Modbus RTU and their combinations See unit configuration number Ports are accessible from the rear Communication connection 5 7 Server rack monitoring As the unit is based on same platform as DCM ra
46. rrent unit and it s remote sensors if present To navigate through the pages press left and right arrows EMERSON Network Power 2011 06 08 15 45 00 water sensor 2011 06 08 15 35 00 fan 3 2011 06 08 15 30 00 supply air temperature NAME DEVICE 1 ABCDEFGHKL ON 21 41 33kW NAME DEVICE 2 ON wv 21 C 41 C 33kW NAME DEVICE 3 ON wv 21 C 41 C 33kW NAME DEVICE 4 ON 21 41 33kW 1 41 33kW NAME DEVICE 8 OFF w 2 47 5 Network Power Status 1 Fan Valve 100 100 Air Supply Air 35 E 20 c c 4 45 RH Cooling Capacity Flow Rate 30kW 1 3 5m h oe 2 3 6m h Return Water Supply Water 18 1 C 18 0 C 13 2 C 13 1 C 1 lt 2 1 lt 2 Time Setting hour is minute second User username password user 1 user2 create user 3 L user4 user5 L 48 g EMERSON m um Network Power mn 1 199 88 255 255 255 0 B x 255 255 2550 0000 2 49 s EMERSON Network Power 6 2 Web interface The CoolCon control serves the control of air conditioning and the monitoring of the Kn rr DCL and the server cabinets attached to it It is a modularly expandable monitoring and control system The basic variant enables the monitoring of up to four fan racks a leakage sensor temperature senso
47. rs for supply and return air as well as air conditioning of the cabinet Thereby the chilled water quantity is adjusted to the required cooling by means of a control valve the fan speed is likewise varia ble A 10 100MBit Ethernet connection is available for communication to support TCP IP HTTP S FTP SNMP up to V3 and NTP protocols It is configured and monitored via an integrated Web server an FTP server as well as an SNMP agent User section Emerson Melwork Mower Knuerr ICI Morilla Firelnx F Emerson Pererer PEL EMERSON Knuerr DCL 2 kn rr Network Power nine identificalion Status Global Cali Device Monitor Status MEI KACK Alarms Info Power m img Contre Sellings Alarm Sailings User Alarma Remolie Sensors Grouping Network setup SNMP Setup Setup Uem Time SOL Sriup Config Higs Hus Power Interni Configure Lentrollgr Settings Lemmissianing Operating Hours Data i Log Charis Support Data Global status 50 EMERSON Network Power Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe 5 Emerson Network Power Knuerr DCL EMERSON Network Power Device Identification Knuerr DCL Knuerr GmbH Group 1 192 16 Global Status Global Device Monitor Status Rack Alarms Info Power Monitoring Device Control Setting
48. s Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe 54 Emerson Network Power Knuerr DCL EMERSON Network Power Device Identification Knuerr DCL Status Rack Knuerr GmbH Group 1 192 169 Global Status Global Device Monitor Status DCL Alarms Info Power Monitoring Device Control Settings Alarm Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Knuerr DCL A rear Return Air Supply Air 25 7 24 9 C 9o 34 6 Return Water Supply Water 0 0 C 0 0 C lt lt Cooling Capacity 0 kW Unit status Knuerr DCL Sensor 0 Sensor 0 0 0 0 0 1 1 0 0 0 0 Status check 51 input 1 input 2 input 3 input 4 input 5 input 5 input 7 input 8 input 1 input 2 input 3 input 4 input 5 input 5 input 7 input 8 kn rr EMERSON Network Power Emerson Network Power Knuerr
49. ssibly accumulating condensed water into the existing drainage system air from the server have fully been separated Height units not in use have to be sealed Attention The Kn rr DCL only works if the cold fresh air to the server and heated return A using blanking panels 3 2 Modes of operation Closed loop mode of operation DCL L Closed loop mode of operation completely contains cooling air This solution is suitable for higher den sities g EMERSON Network Power Hybrid mode of operation DCL H Hybrid mode contains the hot air released from the servers while the cold air is released into the instal lation area This mode supports Cold room concept no heat is released into the room In row mode of operation DCL R In row mode of operation draws and releases the air out and into the installation area This setup is suitable for lower heat densities In all of above scenarios multiple units can be used to cool one rack to gain desired levels of redundan Cy or single unit could be used for multiple racks if desired 10 es ay EMERSON In the event of any failure of the cooling plant the server cabinet doors are to be opened H and L versions in order to avoid any heat from piling up inside the rack housing such case the heat is discharged as thermal load to the ambient room of installation Automatic opening is optional In the event of any failure of the Kn rr DCL fans th
50. tions lamellas surface none existing o Remarks Add on screwed to fit stiffening wall yes no remarks Front door closing yes E no Remarks Rear door closing yes B no B Remarks es EMERSON Pipe duct inlets cable bushings closed yes no m Remarks Condensed water drain open connected yes no remarks Fans run perfectly bearings OK Visual check yes no m Remarks 3 2 Electrical Functions Functional check of valve fan control yes o no Remarks Functional check of smoke alarm optional yes Remarks Functional check of temperature control optional yes n no o Remarks Functional check of automatic door opening optional yes no o Adjustment of electric magnets see Operation Manual Automatic Door Opening Initial Commis sioning Remarks Functional check of water alarm optional yes no o Remarks Check for error disturbance alarms yes no o Remarks 3 3 Thermodynamic Checks Condensed water forming at heat exchanger yes no Remarks Chilled water entering heat exchanger Chilled water leaving heat exchanger Cabinet temperature in front of heat exchanger C Cabinet temperature behind of heat exchanger G G Chilled water network bleeded yes m no m Pressure of chilled water network tested yes o no a customer s protocol available 69 g EMER
51. up SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Controller firmware info 52 EMERSON Network Power Admin section Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe amp Emerson Network Power Knuerr DCL kn rr EMERSON Knuerr DCL Network Power Device Identification Knuerr DCL Knuerr GmbH Group 1 192 16 Global Status Global Device Monitor Status DCL Status Rack Alarms Info Power Monitoring Device Control Settings User Alarms Remote Sensors Grouping Network Setup SNMP Setup Email Setup User Time SQL Setup Config Files Bus Power Internal Settings Return Air set point lower temperature alarm upper temperature warning upper temperature alarm 1 upper temperature alarm 2 upper temperature alarm 3 Relative Humidity setpoint lower alarm upper alarm Supply Air set point lower temperature alarm upper temperature warning upper temperature alarm 1 upper temperature alarm 2 door opening upper temperature alarm 3 server switch off Chilled Water supply lower temperature alarm supply upper temperature alarm return lower temperature alarm return upper temperature alarm supply 2 lower temperature alarm supply 2 upper te
52. wer Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe 4 Emerson Network Power Knuerr DCL ce SON Knuerr DCL kn rr Network Power Device Identification Knuerr DCL Network Setup Knuerr GmbH Group 1 192 16 8 Network Settings LAN 1 Network Settings LAN 2 Bridge Global DHCP DHCP Status Global Fix IP Fix IP Device Monitor Status DCL IP Address 192 168 0 88 IP Address 1 1 199 210 Status Rack Subnet Mask 255 255 255 Subnet Mask 255 255 255 0 Alarms Info Gateway Gateway Power Monitoring DNS Server DNS Server Device Control Settings Alarm Settings User Alarms Remote Sensors Grouping SNMP Setup Email Setup User Time 501 Setup Config Files Bus Power Internal Device Configure Controller Settings Commissioning Operating Hours Data Log Charts Support Device Data Network setup Emerson Network Power Knuerr DCL Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe NE A Knuerr DCL kn rr Network Power Device Identification SNMP Setup Knuerr DCL Knuerr GmbH Group 1 192 168 0 88 SNMP Version SNMP v3 Version v1 USM User Global Version v2c Security Level Status Global V Version v3 Authentication Type Device Monitor Authentication Ke Status DCL SNMP v1 v2c y Status Rack Alarms read community public Info Pow
53. works are only permitted to be performed by trained personnel whereby such personnel must safeguard that the device is free from voltage at the time of maintenance and cleaning Therefore prior to any Works please take the device out of operation in accordance with instructions Internal sockets can be used only by authorized personnel Hazard by works on the device carried out by non experts Maintenance and cleaning works are only permitted to be performed by trained personnel In order to keep the device in operationally safe condition and its long life cycle FN maintenance and cleaning intervals must be observed by all means Operate the Kn rr DCL only in accordance with its specified purpose within its limits of capacity and approved operating means When performing any works on and with the device please observe Any respectively applicable regulations e g VDE regulations or other nationally applicable guidelines Any applicable accident prevention regulations BGV Any respective provisions Any applicable environment protection acts Operate the device only in its proper condition In the event of functional distur bances or deficiencies the device must immediately be taken out of operation and the operator s responsible person must be informed of its state The de vice must only be taken into operation again after the flawless function of the device has been restored g EMERSON Network Powel
Download Pdf Manuals
Related Search