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APC Condenser 2 Fan

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1. Min Return The lowest return temperature reported by any cooling unit in the cooling group About the cooling unit Path Main About InRow RD View identifying information that is helpful when obtaining service Model Model number S N Serial number F W Firmware revision H W Hardware revision Made Date of manufacture APP Ver Application version AOS Ver APC operating system version InRow RD 10 kW Air Cooled Operation and Maintenance 27 Event Log The event log saves status information and a message each time a change in the cooling group is detected Alarms and events are recorded in the log and displayed on the active alarms screen Status information and system configuration changes are displayed in the event log only View the event log Path Main gt View Event Log The event log keeps a record of all alarms and events The screen displays the following information The name of the event The time and date the event occurred Use the arrow keys to scroll through the list of events and display the date and time for each event Clear the event log Path Main gt Clear Event Log A confirmation screen displays when this option is selected Enter the Admin password to erase the log Select YES to erase all of the events in the log Select NO to return to the main screen 28 InRow RD 10 kW Air Cooled Operation and Maintenance Respond to Alarms When an alarm is triggered the cooling unit alerts you t
2. Capacity Ctrl Set the capacity control of the cooling unit Disc Discrete The cooling unit operates as a room air conditioner The evaporator fan speed will remain constant at the user setting and the compressor will cycle on and off to maintain the cool setpoint Q Note The Disc mode is only available in a Spot cooling configuration Prop Proportional The cooling unit matches the cooling output to the load demand This is accomplished using hot gas adjustment and fan speed control Load demand is determined by the cool setpoint and the temperature sensor at the rear of the cooling unit in Spot configurations or the temperature sensor at the front of the load rack in In Row and RACS configurations Fan Cntrl This selection allows air flow to be controlled automatically by the cooling unit or manually by user selected fan speed preference This property only applies to Spot Proportional InRow RACS and HACS deployments Auto Air flow is automatically controlled by the unit Manual the air flow is fixed to the value of the Fan Speed Preference property See page 19 for more information Identify the cooling unit Path Main gt Set Identification The Set Identification menu contains settings that identify the name and location of the cooling unit Name Assign a Name of up to 40 alpha numeric characters to this cooling unit Location Enter the Location up to 40 alpha numeric characters of the cooling unit
3. Note Only the first 19 characters of the 40 that are possible to enter will display on the display interface You must use Telnet the Control console or the Web to access all 40 characters See page 38 for more information Configure Modbus 18 Path Main Configure Modbus Use the Configure Modbus menu to set up communication between the cooling unit and the building management system Modbus Enable or Disable the Modbus communication protocol Target Id Each Modbus device must have a unique target identification number Enter a unique number from 1 to 247 for this cooling unit Baud Rate Choose either 9600 bps or 19200 bps Fixed settings 8 data bits no parity 1 stop bit These settings cannot be modified InRow RD 10 kW Air Cooled Operation and Maintenance Control the Environment The primary function of the cooling unit is to capture the heat generated by IT equipment and neutralize it before it mixes with the room The control strategies employed by the cooling unit depend upon the deployment strategy of the cooling group In an InRow environment the cooling unit supplies constant temperature supply air to the common cold aisle The fan speed is modulated to ensure that the required volume of air reaches the IT equipment The fan speed is determined by the difference between the cooling setpoint and the maximum rack air inlet temperature of the cooling group In a HACS or RACS environment the cooling unit neut
4. eese 41 Environment eeeeeeee nnn nnn 41 Cleanliness id eue tSv TE De ER EINE 41 Mechanical ucl exe dex RR ee TA 42 Electrical 522 4 eee Sau ea swe eae tae ee ete 42 Quarterly Preventive Maintenance 22200000 43 Mechanical 35 2 eevee se eee RT dyna een ie DR apie eek ata 43 Functional tests sses ea eee ee ee ee ae ee 43 Semi Annual Preventive Maintenance 43 Cleanlin ss uu eerie E E T wee ae al lh ewe a 43 Troubleshooting 44 InRow RD 10 kW Air Cooled Operation and Maintenance General Information Overview Note the definitions for the icons here and be observant for them throughout this manual They are intended to call attention to potential hazards and important information Symbols used in this manual Electrical Hazard Indicates an electrical hazard which if not avoided could result in injury or death Danger Indicates a hazard which if not avoided could result in severe personal injury or death Warning Indicates a hazard which if not avoided could result in personal injury or damage to product or other property Heavy Indicates a heavy load that should not be lifted without assistance Caution Indicates a potential hazard which if not avoided could result in damage to the equipment or other property Tip Hazard This equipment is easily tipped Use extreme caution when unpacking or moving No
5. Type of fitting or valve Equivalent length of pipe in m ft ACR pipe size OD Gate valve Standard elbow 90 Reduced coupling Side outlet T Angle valve 1 2 in 0 18 0 6 0 43 1 4 0 43 1 4 0 82 2 7 1 83 6 0 5 8 in 0 21 0 7 0 49 1 6 0 49 1 6 0 91 3 0 2 13 7 0 Recommended Line Sizes Equivalent length m ft Line Type Air cooled ACRD units Discharge line horizontal 5 8 inOD ACR 15 50 Discharge line vertical 1 2 in OD ACR Liquid line 1 2 in OD ACR Discharge line horizontal 5 8 inOD ACR 30 100 Discharge line vertical 1 2 in OD ACR Liquid line 1 2 in OD ACR Discharge line horizontal 5 8 inOD ACR 16 150 Discharge line vertical 1 2 in OD ACR Liquid line 1 2 in OD ACR Equivalent length of 1 2 in OD discharge line pipe should be kept less than 18 m 60 ft Total equivalent length of the discharge line should be less than 46 m 150 ft to prevent excessive hot gas pressure drop which can increase the discharge pressure during hot summer days To have 61 m 200 ft total equivalent discharge pipe length the load must be reduced by 5 Q Note All refrigerant pipes must be straight ACR to have 39 bar 565 psig or above MWP Total charge Equipment charge condenser summer charge condenser flooded charge for minimum possible ambient temperature liquid R410A in liquid pipe Equipment charge 1 6 kg 3 5 Ib InRow RD 10 kW Air Cooled Operation and Maintenance Quantity of R410A in 1 2 in OD liquid l
6. assistance contact APC at a number on the back cover of this manual Conds Pump Fault Warning A hardware failure exists For assistance contact APC at a number Condensate Pump Fault on the back cover of this manual Pan Full Critical Empty the pan and make sure the drain line is not clogged Condensate Pan Full Fault If the problem persists contact APC at a number on the back cover of this manual Fan PwrSp Fault Critical Make sure the power source is connected properly and the power is Upper Fan Power Supply on Fault If the problem persists contact APC at a number on the back cover of this manual Fan PwrSp Fault Warning Make sure the power source is connected properly and the power is Lower Fan Power Supply on Fault If the problem persists contact APC at a number on the back cover of this manual Air Fltr RnHr Violation Warning Reset the Air Filter Run Hours after the air filter is cleaned or Air Filter Run Hours replaced Violation Grp Comm Fault Critical Make sure the number of cooling units in the group is configured Group Communication Fault properly and the A Link connections between cooling units are correct Make sure the system is receiving power and is connected properly A hardware failure exists For assistance contact APC at a number on the back cover of this manual Sply Air High Temp Warning Make sure the Supply Air threshold is set correctly in the Set Unit Supply Air High Temperature Thre
7. ccc eee 27 Event Log assnenloilex stint a E Bote a E View the event log x e 28 Clear the eventlog lt ZK E RER T eere 28 Respond to Alarms 0 e e e eee eee es View active alarmS x x eee eee 29 Clear active alarms ss g s RR R e e R R N R R N eee eee 29 Alarm messages and suggested actions 29 InRow RD 10 kW Air Cooled Operation and Maintenance Network Management Card 92 Quick Configuration sss s e e x x x eee henna geese ewe 32 OvervieW cw eR gae AR we ee jme e TE ere eid 32 TCP IP configuration methods sss eee eens 32 APC Device IP Configuration Wizard xs x x x e e e e e e 33 Ani file tility 122 lm RR Rs RR EXE URS 33 BOOTP amp DHCP configuration x x x x x x x x eee 33 Local access to the control console 2 00 00 ee eee eens 35 Remote access to the control console Lie 35 Control console des e R KT ER R RVR R e RR a O a a 36 Access a Configured Network Management Card 37 Overview 42 vs Fe re Siva Ged Sa eee ones ERR EE 37 Web interface 2 22 2 ee eae eae a ae eee LEA 37 Telnet and SSH isci ss ees R a RI eee ees 38 Simple Network Management Protocol SNMP 39 FIP SGP nire TETE T emi esie En 39 ModbUS i22 000003000 ete eet RRR RRR ee eee R RRR KN 39 Recover From a Lost Password sees x x x x cece eee eens 40 Monthly Preventive Maintenance
8. contained in this Publication is provided as is and has been prepared solely for the purpose of evaluating data center design and construction This Publication has been compiled in good faith by American Power Conversion Corporation However no representation is made or warranty given either express or implied as to the completeness or accuracy of the information this Publication contains IN NO EVENT SHALL AMERICAN POWER CONVERSION CORPORATION BE LIABLE FOR ANY DIRECT INDIRECT CONSEQUENTIAL PUNITIVE SPECIAL OR INCIDENTAL DAMAGES INCLUDING WITHOUT LIMITATION DAMAGES FOR LOSS OF BUSINESS CONTRACT REVENUE DATA INFORMATION OR BUSINESS INTERRUPTION RESULTING FROM ARISING OUT OR IN CONNECTION WITH THE USE OF OR INABILITY TO USE THIS PUBLICATION OR THE CONTENT EVEN IF AMERICAN POWER CONVERSION CORPORATION HAS BEEN EXPRESSLY ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AMERICAN POWER CONVERSION CORPORATION RESERVES THE RIGHT TO MAKE CHANGES OR UPDATES WITH RESPECT TO OR IN THE CONTENT OF THE PUBLICATION OR THE FORMAT THEREOF AT ANY TIME WITHOUT NOTICE Copyright intellectual and all other proprietary rights in the content including but not limited to software audio video text and photographs rests with American Power Conversion Corporation or its licensors All rights in the content not expressly granted herein are reserved No rights of any kind are licensed or assigned or shall otherwise pass to persons accessing this informatio
9. fans that regulate the air flow through the cooling unit Suction Temp The temperature of the refrigerant in the suction line of the compressor Air Flow The rate of air moved by the cooling unit Filter DP The air filter differential pressure Input State The state of the input contact Output State The state of the output contact OHE Input St The state of the input contact that controls the Outdoor Heat Exchanger OHE Outpt St The state of the output contact that controls the Outdoor Heat Exchanger Suction The suction pressure of the compressor Discharge The discharge pressure of the compressor Superheat The superheat temperature of the compressor Compressor The state of the compressor On Off InRow RD 10 kW Air Cooled Operation and Maintenance Cooling group status Path Main gt View Group Status View information about the cooling group Cool Output The combined output of the cooling group Cool Demand The cooling output required to meet the current heat load of the conditioned space Cool Setpt The temperature you set to maintain the room environment Air Flow The combined airflow output of the cooling units in the cooling group Max Rack The highest rack temperature reported by any cooling unit in the cooling group Min Rack The lowest rack temperature reported by any cooling unit in the cooling group Max Return The highest return temperature reported by any cooling unit in the cooling group
10. modes only Select the next highest fan speed setting For example change the fan speed setting from Low to Med Low Temperature control not tight enough Improper placement of remote temperature sensor Verify that the remote temperature sensor is properly located in the cold aisle Water on outside of cooling unit Condensate drain hose is not connected or not properly routed outside the cooling unit Verify that the condensate drain hose is properly connected to the pump and properly routed outside of the cooling unit Verify that the condensate drain line does not exceed 4 9 meters 16 feet lift and 15 4 meters 50 0 feet horizontal run Leak in piping system Locate and repair the leak Cooling unit not leveled properly Damaged piping insulation Adjust the leveling feet of the cooling unit dentify damaged area and repair the insulation Display interface not operational but cooling unit operates Display interface not connected properly Verify that the display interface cable is connected properly Incorrect air pressure False filter clogs Verify that the ends of the clear plastic air tubes are not obstructed Verify that the clear plastic air tubes are connected to the controller Verify that the clear plastic air tubes are not pinched Alarms do not show up on monitoring equipment Customer Output Contact External monitoring equipment Con
11. until the temperature value starts to oscillate and the peak amplitude of the oscillations is constant Note the time in minutes between the peaks of the oscillations This is the Ultimate Period Py Note the value of the proportional constant This is the Ultimate Gain GU 7 Compute the PID constants using the table below Use the equations for that control method in the row to compute the values for each constant Control Method Proportional Integral Derivative P 0 5 GU P I 0 45 GU 0 54 Gy PU P I D 0 6 GU 1 2 GU PU 0 075 Gy PU 8 Set each constant according to these calculations You may need to further tune the PID loop in the following ways to account for changes in the room load Loop Behavior PID Tuning Correction Slow response to temperature changes Increase the proportional multiplier or increase the derivative multiplier Overcooling undercooling after changes in the Increase the derivative or the proportional multiplier room load or changes in setpoint Environmental temperature never reaches the Increase the integral multiplier setpoint Overcooling undercooling on constant room Decrease the integral multiplier load InRow RD 10 kW Air Cooled Operation and Maintenance 21 Run hours The cooling unit records the number of hours each of its components has operated When a component is replaced use the Reset Run Hours option to reset the run hours for the displayed component t
12. 0 12 for Superheat and 8 10 for Subcooling If additional charging is required front seat the receiver shutoff valve and weigh in the additional charge at the Schrader port refrigerant charge it is very important that this phase of the installation procedure be Note Since good performance during low ambient temperatures depends on proper Q done carefully Poor system performance can be due to too little or too much charge InRow RD 10 kW Air Cooled Operation and Maintenance Compressor Oil Charge N Caution This procedure is to be done by APC trained personnel only You may need to add oil to air cooled equipment depending on the condenser size and the lengths of tube running between the equipment and the condenser result The only way to drain oil from the compressor is to remove the compressor from the Caution Do not charge the compressor with too much oil or compressor damage could N equipment which cannot be done when the equipment is in the row Oil charging procedure 1 Calculate the approximate amount of additional oil needed using the following formula 0 7 x R x 0 022 x 16 Cx 0 10 A R Refrigerant in the system this amount should have been recorded during installation Compressor oil charge in fluid ounces A Amount of additional oil in fluid ounces Note The compressor used in this equipment comes with an internal oil charge of Q 1064 ml 36 fl oz In the following
13. ENTER key to save the change or the Esc key to cancel the change Time 13 15 23 Date 118 Nov 2006 E at dd mm yyyy na1622a 14 InRow RD 10 kW Air Cooled Operation and Maintenance Using the Path statement Select the main and sub menu options specified in the path statement to view or configure a setting The path statement lists the main and sub menu items you select to navigate to the item to view or modify The parts of the path statement are defined below Path Main Set Password Change Passwords Main gt Your starting point 15 the main menu Set Password gt Scroll to and select this option from the main menu Change Passwords gt Scroll to and select this option from the sub menu Subsequent options are listed and defined under the path statement Password entry The cooling unit has two levels of password protection Device password allows Device Users to change basic and environmental settings Admin password allows all privileges granted for Device Users and also allows the Administrator to modify settings that control the components in the cooling unit or change advanced options When you try to change a setting the display interface prompts you to enter your Admin password The default value for both the Device and Admin password is apc lowercase To enter your password use the up or down arrow key to scroll through the available character set Press the ENTER key to select the curren
14. Operation and SS Maintenance InRow RD 10kW Air Cooled ACRD100 ACRD101 Pe si 3 SSS Ww R dr This manual is available in English on the enclosed CD Dieses Handbuch ist in Deutsch auf der beiliegenden CD ROM verf gbar Deze handleiding staat in het Nederlands op de bijgevoegde cd Este manual est disponible en espa ol en el CD ROM adjunto Ce manuel est disponible en fran ais sur le CD ROM ci inclus Questo manuale disponibile in italiano nel CD ROM allegato K TID BAKSBRRUX SIRO CD ROM 2 5 CRISES Instrukcja Obstugi w jezyku polskim jest dostepna na CD O manual em Portugu s est dispon vel no CD ROM em anexo laHHoe PyKOBOACTBO H PYCCKOM A3bIKe WMeeTcs H lipAniaraeMoM KOMNMAaKT QUCKe fat MULA LH CD ERE AST HP IR K fa H AMATER C D ERIT AS PRE 55 CD HA Sta WFO USLC American Power Conversion Legal Disclaimer The information presented in this manual is not warranted by the American Power Conversion Corporation to be authoritative error free or complete This publication is not meant to be a substitute for a detailed operational and site specific development plan Therefore American Power Conversion Corporation assumes no liability for damages violations of codes improper installation system failures or any other problems that could arise based on the use of this Publication The information
15. Readings The display interface has several options for viewing the status of the cooling unit the cooling group to which the cooling unit belongs and the environment being controlled The status readings for the cooling unit are available under the View Unit Status option in the main menu and status readings for the cooling group are available under the View Group Status option on the main menu or on the scrolling status screens Scrolling status screens When the display interface is idle it scrolls through screens of status information Press the up or down arrow key to interrupt the automatic scrolling and view a specific status screen Cooling unit status 26 Path Main gt View Unit Status The cooling unit status screens contain information specific to this cooling unit Op Mode The cooling unit is in one of the following modes On The cooling unit is cooling Standby The cooling unit is receiving power but not enabled for cooling Idle The cooling unit is not operating in normal mode due to active critical alarms For more information see Idle On Leak on page 16 Cool Outpt The actual cooling output of the cooling unit Cool Demnd The amount of cooling that the rack currently requires Rack Inlet The temperature of the air entering the rack Supply Air The temperature of the air leaving the cooling unit Return Air The temperature of the air entering the cooling unit Fan Speed The speed of the
16. allation manual The walls floor and ceiling of the room where the cooling unit is located are sealed with a vapor barrier There is no evidence of damage to the cooling unit The cooling unit is level and joined to the adjacent racks The cooling unit is not installed at the open end of a row L O OIO O The clearance around the cooling unit is in accordance with local and national codes and regulations as well as the installation manual InRow RD 10 kW Air Cooled Operation and Maintenance Electrical inspection checklist The electrical inspection verifies that all electrical connections are secure and correct and that the cooling unit is properly grounded Electrical Hazard All electrical wiring must comply with local and national codes and regulations Electrical Hazard The equipment must be grounded do not use a water pipe ground Ensure that the LI Incoming voltages match the phase and voltage listed on the nameplate LI Electrical wiring complies with local and national codes and regulations LI The cooling unit is properly grounded LI Electrical connections are tight including contactors terminal blocks controllers switches relays auxiliary devices and field connections InRow RD 10 kW Air Cooled Operation and Maintenance Mechanical inspection checklist The mechanical inspection verifies that all mechanical components and connections are secure and tight and ready for
17. ance Display Settings Set display interface settings including the time and date units of measure passwords and time out settings You can also adjust the contrast key click beeper volume and beep on alarm settings Password and time out Path Main gt Set Password information on passwords n Note The default user password is ape lowercase See Password entry on page 15 for Change passwords Set the Admin and Device passwords 1 Move the selector arrow next to the Change Passwords option and press the ENTER key 2 Select the password to change either Admin or Device 3 4 Press the ENTER key to confirm Enter a new password up to 8 characters Timeout Set the length of time which can elapse when no keys are pressed before the display interface returns to the scrolling screen status The password must then be entered to regain access Invalidate Now Override the password timeout and require password entry immediately Date and time Path Main gt Set Date amp Time Set the time Enter the correct time and press the ENTER key The Time setting is displayed on some status screens and is also used in the alarm event log to time stamp events Set the date Enter the day month and year and press the ENTER key The Date setting is displayed on some status screens and is also used in the alarm event log to date stamp events Set the format Use the up or down arrow key to select the date Form
18. at setting e mm dd yyyy 11 16 2007 Default yyyy mm dd 2007 11 16 dd mmm yy 16 Nov 07 mmm dd yy Nov 16 07 dd mm yyyy 16 11 2007 InRow RD 10 kW Air Cooled Operation and Maintenance 23 Adjust display settings Path Main Configure Display Contrast Adjust the visibility of the screen text Lower numbered settings provide darker text higher numbers provide lighter text Settings range from 0 7 Key Click Set to ON or OFF will enable or disable an audible tone that sounds every time a key is pressed on the display interface Beeper Volume Set the volume Low Medium High or OFF of the audible tone that sounds every time a key is pressed on the display interface Beep on Alarm Set to ON or OFF When set to ON the cooling unit will sound an audible tone every 30 seconds when a new alarm occurs Silence the audible tone by pressing any key on the display interface When the alarm clears itself the tone will stop on its own Display units 24 Path Main gt Set Display Units Set the units of measure for the cooling unit to either US or Metric InRow RD 10 kW Air Cooled Operation and Maintenance Network Configuration The cooling unit is shipped with a Network Management Card that enables the cooling unit to be managed over a network Configure the network settings for the Network Management Card for this cooling unit from the display interface The management card allows remote control and configurat
19. avigation menu FTP SCP You can use FTP enabled by default or Secure CoPy SCP to transfer downloaded firmware to the Network Management Card or to access a copy of the event or data logs of the cooling unit SCP provides the higher security of encrypted data transmission and is enabled automatically when you enable SSH To use InfraStruXure Manager to manage the Network Management Card you must have FTP Server enabled in the Network Management Card To enable or disable FTP Server access you must be an Administrator On the Administration tab select the Network menu on the top menu bar and use the FTP server option on the left navigation menu In the User 5 Guide see the following sections To transfer firmware see File Transfers To retrieve a copy of the event or data log see Use FTP or SCP to retrieve log files Modbus Use Modbus to view the Network Management Card through the interface of your building management system It is read only The Modbus interface supports 2 wire RS 485 plus ground Q Note Modbus can be configured to run at either 9600 or 19200 bps To access the Modbus register map go to the APC Web site www apc com InRow RD 10 kW Air Cooled Operation and Maintenance 39 Recover From a Lost Password You can use a local computer a computer that connects to the Network Management Card through the serial port to access the control console 40 l 2 Select a serial p
20. cts View the state of input and output contacts Path Main gt Configure Unit gt Discrete I O Each cooling unit supports a user defined input contact and a user defined output contact Each contact monitors a sensor and responds to changes in the state of the sensor open or closed Input State Indicates the actual state of the input contact Open or Closed A cooling unit is On when the state is normal and in Standby when the state is not normal Output State Indicates the actual state of the output contact Open or Closed An alarm will cause the output contact to change from the normal state OHE Input State Indicates the actual state of the input contact Open or Closed for the Outdoor Heat Exchanger Edit the normal state of input and output contacts Path Main gt Configure Unit gt Discrete I O gt Normal State Configure the input contacts to cause alarm conditions based onthe user defined normal state Output contacts can map internal alarms and events to outside devices Input Norm Set the normal state of the contact Open or Closed The cooling unit changes its operating mode to Closed when the actual state differs from the normal state Output Norm Set the normal state of the contact Open or Closed If the state of an alarm or event mapped to this contact changes from the normal state the contact also changes state Outpt Src Define the type of output source alarm either Any Alrm or Critical that ca
21. e APC Web site www apc com InRow RD 10 kW Air Cooled Operation and Maintenance 37 Telnet and SSH 38 You can access the control console through Telnet or Secure SHell SSH depending on which is enabled Select the Administration tab the Network option on the top menu bar and then the access option under Console on the left navigation menu By default Telnet is enabled Enabling SSH automatically disables Telnet Telnet for basic access Telnet provides the basic security of authentication by user name and password but not the high security benefits of encryption To use Telnet to access the control console of the Network Management Card 1 Ata command prompt use the following command line and press ENTER telnet address As address use the IP address of the Network Management Card or DNS name if configured 2 Enter the user name and password by default ape and ape for an Administrator or device and apc for a Device User SSH for high security access If you use the high security of SSL for the Web interface use Secure SHell SSH for access to the control console SSH encrypts user names passwords and transmitted data The interface user accounts and user access rights are the same whether you access the control console through SSH or Telnet but to use SSH you must first configure SSH and have an SSH client program installed on your computer See the User x Guide for more information on configurin
22. e difference error between the measured value and the setpoint Rate I The integral multiplier reset rate for this mode or actuator The integral multiplier adjusts for error measurement and the amount of time that the error has existed The integral multiplier adds to or subtracts from the output in small increments to correct for the offset error caused by the proportional contribution Deriv D The derivative multiplier derivative for this mode or actuator The derivative multiplier adjusts the output for rapid changes in the error correcting for the rate of change of the error over time Reset to Deflts InRow or Spot Proportional only The Gain Rate and Derivative coefficients return to their default values InRow RD 10 kW Air Cooled Operation and Maintenance Tune the PID loop Tune the PID loop to optimize the performance of the cooling group loop must be tuned after the equipment in the room is installed and running The loop should d Caution This procedure must be performed by APC authorized personnel only The PID be tuned periodically to account for changes in the room load Adjust the integral and derivative constants to zero and the proportional constant to 1 0 Setthe temperature setpoint value and start the cooling group When the temperature reaches a stable value increase the proportional constant by 0 5 If the temperature does not respond to this change adjust the setpoint Repeat step 3
23. elnet to access the Network Management Card at its newly assigned IP address For example telnet 156 205 14 141 Use ape for both user name and password See Control console on page 36 to finish the configuration Control console After you log on at the control console as described in Local access to the control console on page 35 or Remote access to the control console on page 35 l 2 3 Choose Network from the Control Console menu Choose TCP IP from the Network menu If you are not using a BOOTP or DHCP server to configure the TCP IP settings select the Boot Mode menu and then select Manual boot mode Set the System IP Subnet Mask and Default Gateway address values Changes will take effect when you log out 5 Press ENTER to return to the TCP IP menu 6 Press CTRL C to exit to the Control Console menu Log out option 4 in the Control Console menu Note If you disconnected a cable from the local computer during the procedure described in Local access to the control console on page 35 reconnect that cable and restart the associated service InRow RD 10 kW Air Cooled Operation and Maintenance Access a Configured Network Management Card Overview After the Network Management Card is running on your network you can access the configured Network Management Card through the following interfaces Web interface HTTP or HTTPS protocol Telnet or Secure SHell SSH SNMP s FTP or Secu
24. example there are 20 pounds of refrigerant in the system 20 x 0 022 x 16 36 x 0 10 0 7 20 X 0 022 X 16 36 x 0 1 2 3 fluid ounces of additional oil 10 InRow RD 10 kW Air Cooled Operation and Maintenance 2 Prepare to add oil a Usea new sealed oil can and a manual oil pump The pump hose must be sized for 1 4 in flare fittings and must include a valve depressor at its end which will open the valve on the Schrader service port of the compressor b Ata minimum use a quality POE oil with a viscosity of 32 cst 160 sus at 40 C 104 F Suggested oils Danfoss Maneurop 160 PZ Polyolesteroil the approved type of oil for this equipment Approved alternative oil types CPI Lubrizol reference CP 2931AH or CP 2931A or equivalent CI UNIQUEMA reference Emkarate RL32H or equivalent 3 Purge the pump and hose a Ensure that the oil pump is clean Insert the pump in the oil container and make sure that the container is open to the atmosphere for as short a period of time as possible When available use a plug adaptor kit to further reduce the exposure of the oil to the atmosphere b Bleed all air from the pump and hose with a few strokes of the pump Purging the pump removes the moisture saturated oil left inside the hose from previous usage c Connect the hose to the Schrader service port of the compressor immediately after purging to avoid moisture contamination 4 While the equipment is running charge the
25. firm that power if required is being supplied to the Is not receiving powerorisnot external equipment functioning properly If the cooling unit 12 V or 24 V is providing power to the external equipment verify that the external equipment is lt 50 mA Test the external equipment by bypassing the output contact Verify Customer Output Contact settings See Contacts on page 17 44 InRow RD 10 kW Air Cooled Operation and Maintenance Problem Possible Cause Corrective Action Cooling unit does not Drive voltage shut down on command Verify that there is a drive voltage entering the input of the cooling unit You may use the available 12 V or 24 V You must then also use the ground Verify Customer Input Contact settings See Contacts on page 17 No communication Improper connection with building management system BMS port Confirm that the cooling unit is connected to the BMS port and not to the Control port Make sure that the wire polarity is correct Using a DC voltmeter test the signal with no transmissions in progress Pin 2 should be greater than Pin 1 by at least 200 mV Measure the cooling unit with the cable disconnected and then measure it again with the cable connected If the signal is less than 200 mV the cooling unit may be reverse wired Make sure that every cooling unit has either two sets of wires in its connector or one set of wires and a 100 ohm resistor a terminati
26. g and using SSH InRow RD 10 kW Air Cooled Operation and Maintenance Simple Network Management Protocol SNMP SNMPv1 only After you add the PowerNet MIB to a standard SNMP MIB browser you can use that browser to access the Network Management Card All user names passwords and community names for SNMP are transferred over the network as plain text The default read community name is public the default read write community name is private SNMPv3 only For SNMP GETS SETS and trap receivers SNMPv3 uses a system of user profiles to identify users An SNMPv3 user must have a user profile assigned in the MIB software program to perform GETs and SETS browse the MIB and receive traps The default settings are no authentication and no privacy Note To use SNMPv3 you must have a MIB program that supports SNMPv3 Note The Network Management Card supports only MD5 authentication and DES encryption SNMPv1 and SNMPv3 To use InfraStruXure Central or InfraStruXure Manager to manage the Network Management Card you must have SNMPv1 enabled in the interface of the cooling unit Read access allows InfraStruXure devices to receive traps from the cooling unit Write access 1s required while you set the InfraStruXure device as a trap receiver To enable or disable SNMP access you must be an Administrator Select the Administration tab select the Network menu on the top menu bar and use the access option under SNMPv1 or SNMPv3 on the left n
27. hrough the display interface by the following methods Active alarm screen entry on scrolling status screens LEDs on the front panel display An optional audible alarm if enabled every 30 seconds View active alarms Path Main gt View Alarms The View Alarms screen provides the number of alarms the severity level of each active alarm and a brief description of each alarm Press the arrow keys to view the rest of the list Clear active alarms Path Main gt Clear Alarms A confirmation screen displays when this option is selected Enter the Admin password to clear the alarm list Select YES to clear all of the alarms in the list Select NO to return to the main screen If the conditions that caused the alarm still exist those conditions will cause the alarm to be regenerated Alarm messages and suggested actions Alarm Message Severity Action Required Cool Fail Critical A hardware failure exists For assistance contact APC at a number on the back cover of this manual High Rack Temp Critical Make sure the temperature sensors are located properly Rack Temperature High If the problem persists replace the sensor or contact APC at a Violation number on the back cover of this manual Air Fltr Clogged Warning Clean or replace the air filter Air Filter Clogged If the problem persists contact APC at a number on the back cover of this manual Rtn Air Snsr Fault Critical Make sure the temperatu
28. iguration Wizard See APC Device IP Configuration Wizard on this page BOOTP or DHCP server See BOOTP amp DHCP configuration on page 33 Networked computer See Remote access to the control console on page 35 32 InRow RD 10 kW Air Cooled Operation and Maintenance APC Device IP Configuration Wizard You can use the APC Device IP Configuration Wizard at a computer running Microsoft Windows 2000 Windows Server 2003 or Windows XP to configure a Network Management Card Note Most software firewalls must be temporarily disabled for the Wizard to discover unconfigured Network Management Cards To configure one or more Network Management Cards from a user configuration file see the User x Guide on the Utility CD 1 Insert the Utility CD into a computer on your network 2 If autorun is enabled the user interface of the CD starts when you insert the CD If autorun is not enabled open the file contents htm on the CD 3 When the Wizard discovers the unconfigured Network Management Card follow the on screen instructions Note If you leave the Start a Web browser when finished option enabled you can Q use apc for both the user name and password to access the Network Management Card through your browser ini file utility You can use the ini file export utility to export ini file settings from configured Network Management Cards to one or more unconfigured Network Management Cards The utility and documentatio
29. ine area x length in ft x density 0 0010554 f xL ft x 61 0 Ibm ft gt Density of liquid R410A at 40 6 C 105 F and 260 psig 0 98 g cm 61 0 Ibm ft Cross sectional area for 1 2 in OD pipe is 0 0010554 ft Liquid line charge for 1 2 in OD ACR copper tube 0 095 kg m 0 0644 Ib ft Cross sectional area for 5 8 in OD pipe is 0 001619 ft Quantity of R410A in 5 8 in OD liquid line area x length in ft x density 0 001619 f x L ft x 61 0 Ibm ft gt Liquid line charge for 5 8 in OD ACR copper tube 0 146 kg m 0 099 Ib ft Example Calculate the total R410A charge for an FCB5 condenser with 25 ft of 1 2 in OD liquid piping Minimum outdoor design temperature is 28 9 C 20 F Q Note Imperial units are used in this example Total R410A charge 3 5 4 9 13 6 25 0 0644 23 6 Ib InRow RD 10 kW Air Cooled Operation and Maintenance Charging the equipment N Caution This procedure is to be done by APC trained personnel only R410A is a blend refrigerant When charging equipment with blend refrigerants only liquid refrigerant must be charged N Caution Charging with other than liquid R410A refrigerant may damage the system 1 Ensure the ball valves are open 2 Confirm the calculated system charge 3 Connect the refrigerant cylinder to the charging or gauge port on the receiver outlet valve Open the receiver valve approximately half way 4 Charge liquid refrigerant i
30. information Q ESCkey Return to previous screen or cancel current operation Q Enter key Open menu items and input changes to cooling group level and cooling unit level settings Q Help key Display context sensitive help Press the help key for information about each option on the screen and for instructions on performing tasks 12 InRow RD 10 kW Air Cooled Operation and Maintenance Using the Display Interface Every time power is applied to the cooling unit the display interface initializes causing the LEDs to cycle and the alarm tone to activate Scrolling status screens After start up the interface displays the firmware revision number on the display interface The display interface then scrolls automatically and continuously through screens of status information Status Screen Name Status Information Displayed InRow RD On Standby Idle Service User Defined Name User Defined Location Group Alarms No Alarms Cool Output kW Cool Setpoint C or F Maximum Rack Temperature C or F Unit Alarms No Alarms Cool Output kW Air Flow l s liters per second or CFM cubic feet per minute Rack Inlet C or F Press the up or down arrow key to interrupt the automatic scrolling and view a specific status screen From a main menu screen press ESC to return to the scrolling status screens Main menu screens On any top level status screen press the ENTER or ESC key to open the first mai
31. ing N the settings incorrectly can cause malfunctions to your cooling unit Cooling unit configuration Path Main Configure Unit General Use the General menu to set the start up delay idle on leak and refrigerant fill settings Start up Dly Start up Delay The delay begins when the cooling unit is started and initialized The cooling unit cannot begin operation until this delay expires Use the start up delay to restart equipment sequentially after a scheduled downtime or a power outage Idle On Leak When set to Yes the cooling unit will enter idle mode if a Water Detection Fault activates Set to No to disable the cooling unit from entering idle mode if a leak is detected Note The leak sensor APC part number AP9325 is optional Note There are three alarms that will cause the cooling unit to enter idle mode Water Detection Fault when Idle On Leak is set to Yes Condensate Pump Fault Cooling Failure See Alarm messages and suggested actions on page 29 for more information on alarms Refrig Fill Set to Start to add refrigerant to the system This setting turns on the compressor and sets the fans to maximum speed until the compressor suction pressure drops below 50 psig for two minutes twenty minutes elapse or the property setting is changed to Abort N Caution The Refrig Fill setting is intended only for charging the unit with refrigerant 16 InRow RD 10 kW Air Cooled Operation and Maintenance Conta
32. ing unit is programmed for Spot Proportional InRow HACS or RACS with the Fan Control property set to Manual this property defines the fan speed When the cooling unit is programmed for Spot Discrete the fan speeds are also selected from the following table but the Fan Control property is irrelevant Low 16 7 C 30 F DT 60 of maximum fan speed Med Low 13 9 C 25 F DT 7096 of maximum fan speed Med 11 1 C 20 F DT 80 of maximum fan speed Med High 6 3 C 15 F DT 90 of maximum fan speed High 5 6 C 10 F DT 100 of maximum fan speed InRow RD 10 kW Air Cooled Operation and Maintenance 19 PID settings 20 Path Main Set Group PID The Proportional plus Integral plus Derivative PID loop controls the output of the fans Caution This procedure is to be performed by APC authorized personnel only Improperly N set PID controls could result in equipment damage There are two sets of PID coefficients stored in the unit One set is used when the unit is programmed for Spot Proportional mode and the other set is used when the cooling unit is programmed for InRow mode Only one set can be active at a time The active PID set is determined by the value of the Type and Capacity Ctrl properties Path Main gt Configure Group The active set can be read written or set to default Gain P The proportional multiplier gain for this mode or actuator The proportional multiplier adjusts for th
33. ion of the equipment Configure network Path Main ConfigureNetwork MAC Address Displays the unique network identifier which was assigned to the Network Management Card of this cooling unit at the factory Boot Mode Set the method by which the Network Management Card of the cooling unit acquires network settings Manual Enter the IP address subnet mask and default gateway using the IP Address menu BOOTP Set the Network Management Card of the cooling unit to obtain its network settings from a BOOTP server DHCP Set the Network Management Card of the cooling unit to obtain its network settings from a DHCP server By default DHCP requires an APC cookie before it will accept an IP address See BOOTP amp DHCP configuration on page 33 for more information BOOTPDHCP Set the Network Management Card of the cooling unit to search for its network settings from either a BOOTP or a DHCP server IP Address You will be prompted to enter an Admin password Enter the password and press ENTER to return to the IP screen Press ENTER again to change the network settings for Manual boot mode only P Enter the IP address assigned to the Network Management Card of this cooling unit SM Enter the subnet mask for the Network Management Card of this cooling unit GW Enter the default gateway for the Network Management Card of this cooling unit InRow RD 10 kW Air Cooled Operation and Maintenance 25 View Status
34. m the normal state If the problem persists contact APC at a number on the back cover of this manual Persistent High Discharge Critical Indicates there were three High Discharge Pressure shutdowns in Pressure Fault 30 minutes Alarms must be cleared manually If the problem persists contact APC at a number on the back cover of this manual Persistent Low Suction Pressure Critical Indicates there were 3 Low Suction Pressure shutdowns in 30 Fault minutes Alarms must be cleared manually If the problem persists contact APC at a number on the back cover of this manual Cannot Start Due to Low Critical The unit cannot start because the suction low side refrigerant Suction Pressure pressure 1s too low For assistance contact APC at a number on the back cover of this manual Superheat too Low Warning For assistance contact APC at a number on the back cover of this manual Rack Inlet Critical Make sure the Rack Inlet setting is correct in the Set Unit Rack Inlet Temperature High Threshlds screen Threshold If the problem persists contact APC at a number on the back cover of this manual Supply Air Critical Make sure the Supply Air setting is correct in the Set Unit Supply Air Temperature High Threshlds screen Threshold f the problem persists contact APC at a number on the back cover of this manual Return Air Critical Make sure the Return Air setting 1s correct in the Set Unit Return Air Temperat
35. ms below Prepared By Model Number Serial Number Date Cleanliness Q Check the cleanliness of the evaporator coil Clean if required InRow RD 10 kW Air Cooled Operation and Maintenance 43 Troubleshooting Problem Controls erratic or inoperative Possible Cause Corrective Action Inlet temperature to cooling unit is higher than rated maximum temperature Reduce the load or add additional cooling equipment Fans fail to start Cooling unit cannot obtain setpoint Power supplies are not operating properly Confirm that the power supplies are seated properly and fully engaged This is indicated by a green LED Confirm that the cooling unit is plugged in and is receiving power Failed power supply Replace the power supply if the LED 1s red Cooling unit shutd own due to an external command Temporarily remove the user contact cable if it is connected Single fan fails to start Verify that the fan circuit breaker is ON Verify that the remote temperature sensor is properly located in the cold aisle Clean the filter Clean the coil Improper placement of remote temperature sensor Dirty filter Dirty coil Application error For assistance contact APC at a number on the back cover of this manual Heat load is too far away Place the cooling unit closer to the heat load Water carryover Improper fan speed selected RACS and HACS
36. n This Publication shall not be for resale in whole or in part Contents General Information eene nme T OVEIVIEW 2 sear TR RR T a EVEN AHE TREE Ta FECE e 1 Symbols used in this manual llle 1 Cross reference symbol used in this manual 1 KLICK TTE 2 Inspection Checklists kir b ERR nak Oca RE eee 3 Initial inspection checklist eee eee eee 3 Electrical inspection checklist eee 4 Mechanical inspection checklist lesse 5 User interface inspection checklist Le 6 Start up inspection checklist elles 6 Final inspection checklist eee ee eee 6 Charging With Refrigerant xx x x x x eee 7 Calculating R410A charge x e e e e cee eee eee es 7 Charging the equipment 0 e e eee eee eee eee 9 Compressor Oil Charge ee e e 10 Oil charging procedure 0 cece eee eee eens 10 Operationen a Ne Display Interface ex E RRR RRR RR N RR RR N 12 Using the Display Interface ee e e e 00 e ee ee 13 Scrolling status screens x x x x eee 13 Main menu screens xx x x x nnn 13 Navigating the main menu lle 14 Navigating the sub menus lt e e e 14 Using the Path statement x x x x ee 15 Password entry eee nnn nn 15 Start the cooling unit x x x x x x x e eee 15 Stop the cooli
37. n are included on the Utility CD BOOTP amp DHCP configuration The default TCP IP configuration setting BOOTP amp DHCP assumes that a properly configured BOOTP or DHCP server is available to provide TCP IP settings to Network Management Cards The Network Management Card first attempts to discover a properly configured BOOTP server and then a DHCP server It repeats this pattern until it discovers a BOOTP or DHCP server If neither of these servers 1s available see Local access to the control console on page 35 or Remote access to the control console on page 35 to configure the needed TCP IP settings A user configuration ini file can function as a BOOTP or DHCP boot file For more information see the TCP IP configuration section of the User s Guide available from the Utility CD or the APC Web site www apc com InRow RD 10 kW Air Cooled Operation and Maintenance 33 BOOTP For the Network Management Card to use a BOOTP server to configure its TCP IP settings it must find a properly configured RFC951 compliant BOOTP server 1 In the BOOTPTAB file of the BOOTP server enter the MAC address of the Network Management Card the IP address the subnet mask default gateway and an optional bootup file name Look for the MAC address on the display interface Path Main gt Configure Network or on the label on the back of the Network Management Card 2 When the Network Management Card reboots the BOOTP server
38. n menu screen On Standby View Alarms Note Once a period of inactivity at the display interface assa E exceeds the Password Timeout setting the display interface returns to the scrolling status screens Clear Event Log Configure Modbus Set Date amp Time Set Password For information on setting the time out duration see Timeout on page 23 Set Display Units Configure Display All main menu choices are displayed on a series of six main menu configura Mets screens About InRow RD Set Identification Service Intervals View Run Hours 4 Configure Unit Configure Group Set Group Setpoint 4 Set Group PID T Set Unit Threshlds View Unit Status View Group Status i na1636d InRow RD 10 kW Air Cooled Operation and Maintenance 13 Navigating the main menu Selector arrow Press the up or down arrow key to move the selector arrow to a main menu option Press the ENTER key to view the selected sub menu screen In the example shown below the selector arrow points to the Set Date and Time setting To select that item press the ENTER key Clear Event Log 1 Sese Configure Modbus Set Date amp Time Set Password i na1623d Note If the selector arrow is on the top line of a main menu screen press the up arrow key to move the selector arrow to the top line of the previous screen Continue arrows Continue arrows indicate that additional options o
39. nd on the roof is properly insulated Covers and guards are in place InRow RD 10 kW Air Cooled Operation and Maintenance User interface inspection checklist The user interface inspection verifies that the sensors and internal communications links of the cooling unit are installed properly Ensure that LI An A Link bus is connected to each cooling unit in the group and a terminator is plugged into all unused A Link connectors LI The input contacts and output relays are connected correctly LJ The building management system is connected correctly and a terminator is wired into the final unit between Modbus DO and Modbus D1 LI The rack temperature sensors are installed correctly LI The network port is connected correctly and an IP address has been assigned to the equipment Start up inspection checklist The start up inspection ensures that the cooling unit is operating properly after the initial start up This inspection verifies that all modes of operation are working correctly and that the cooling unit is ready for normal operation While the cooling unit is operating ensure that the LI Cooling unit is free from malfunctions unusual vibrations or other irregularities in each mode of operation LI Cool cycles engage LI Air filters are clean and free of debris Replace air filters with APC part number 875 2013 LI Clogged filter alarm is operating properly Cover 1 3 of the filter area and monit
40. ng resistor of 100 to 120 ohms Cooling units are not A Link failure communicating with each other Verify the actual number of cooling units in the group matches the group number setting Verify that the A Link ports of every cooling unit have either two cables or one cable and a terminator Confirm that the A Link cables are connected to the A Link ports and that a network cable is connected to the network port Upper or lower supply air Output air is 17 C sensor fault 62 F and fans are running at a very high rate of speed Either the upper or lower supply air temperature sensor has a fault Verify that both supply air temperature sensors are installed and working properly InRow RD 10 kW Air Cooled Operation and Maintenance 45 APC Worldwide Customer Support Customer support for this or any other APC product is available at no charge in any of the following ways Visit the APC Web site to access documents in the APC Knowledge Base and to submit customer support requests www apc com Corporate Headquarters Connect to localized APC Web sites for specific countries each of which provides customer support information www apc com support Global support searching APC Knowledge Base and using e support Contact the APC Customer Support Center by telephone or e mail Local country specific centers go to www apc com support contact for contact information For information on how t
41. ng unit e e e e cee eee 16 General Configuration xxe e e e x x x x eee 16 Cooling unit configuration x e e e e e e ee 16 InRow RD 10 kW Air Cooled Operation and Maintenance Gontacts TTT View the state of input and output contacts 17 Edit the normal state of input and output contacts 17 Cooling Group Configuration x x K K K ee Configure the cooling group ss ss s e x x x e ee 17 Identify the cooling unit xxx x x x x x x x x e eee eee 18 Configure Modbus eene 18 Control the Environment ss s e x e x x x x x K eee eee Setpoints uirium en exem Ra reor Rae e a e Ir EUR L 19 PID settings 5 224 ee i een ieee So eee N 20 Tune the PID loop ccc cee Rr hh mh 21 RUN NOUNS ra fea ua NNT Ea x RR ee ae 22 ThiresholdS ud erede S Se RU Rome ee ne 22 Service intervals e sa e Eel eines SRS ee eee Pee weg 22 Display Set ngs 9 Soe eee ie ese Be eee Password and time out 00 x x x e e ee 23 Date and time ssh nmm a 23 Adjust display settings ee x x e c ee 24 Display ne xN sz eme xe dw Aa EE ERE 24 Network Configuration llle Configure network x x x x x x x x x e ee 25 View Status Readings 0 0 cece eee Scrolling status screens 0 x x cece eee 26 Cooling unit status x x x x x x e e eee 26 Cooling group status leeren 27 About the cooling unit 0
42. nto the high side of the system until the system pressures equalize While the unit is NOT operational charge liquid to the suction low side line to simply equalize pressures throughout the system DO NOT start the system until the pressure equalizes Please note charging liquid to the suction port during operation may damage or reduce the life of the compressor 5 Prior to starting the system make sure all system valves are open and the system high side pressure remains above 24 8 bar 360 psi This may require blocking the condenser inlet slightly Remove any blocking panels after charging is complete 6 Start the cooling unit See Start the cooling unit on page 15 for more information 7 Once the system is operational front seat the receiver service valve and continue charging liquid at the Schrader port down stream of the receiver shutoff valve until the calculated charge is complete When this procedure is complete fully back seat the receiver shutoff valve Leave charging hoses in place in the event additional charging is required 8 Charge the rest of the calculated liquid refrigerant very slowly through the suction port port may damage the compressor d Caution Fast charge of liquid refrigerant through the suction 9 Verify that the sightglass is clear If there is excessive bubbling in the sightglass make sure the system high side pressure is above 23 4 bar 340 psi and Superheat and Subcooling are within parameters 1
43. o obtain local customer support contact the APC representative or other distributors from whom you purchased your APC product O 2009 APC by Schneider Electric APC the APC logo PowerNet and InRow are owned by Schneider Electric Industries S A S American Power Conversion Corporation or their affiliated companies All other trademarks are property of their respective owners 990 3212A 001 11 2009
44. o zero Path Main View Run Hours Air Filter Reset Run Hours Q Note Replace air filters with APC part number 875 2013 only Fans Fan Number Reset Run Hours Compressor Reset Run Hours Condensate Pump Reset Run Hours Fan Power Supplies Reset Run Hours Thresholds Set alarms to alert you to threshold violations Path Main Set Unit Thresholds When the monitored input exceeds the unit threshold an alarm occurs Set high temperature thresholds for the following sensors Rack Inlet The temperature of the air entering the rack at the rack inlet sensors Supply Air The average temperature of the air output from the cooling unit as measured between the upper and lower supply air temperature sensors Return Air The temperature of the air entering the cooling unit at the temperature sensor Service intervals Path Main gt Service Intervals The air filters should be serviced regularly The service interval depends on environmental cleanliness Air Filter Interval Set the number of weeks before service 1s required for the Air Filter Interval The default is 18 weeks Alarm The interval setting has an alarm Enable or Disable If enabled an audible alarm activates when the interval has elapsed The alarm is cleared by selecting Clear Alarms in the main menu Q Note The Air Filter interval alarm is enabled by default 22 InRow RD 10 kW Air Cooled Operation and Mainten
45. oil through the suction service port Pump the oil very slowly Caution Be careful not to charge more oil than is necessary Excessive oil in the N system may cause system damage including the following Failure of compressor due to oil slugging Excessive oil carryover Loss of evaporator performance due to oil level build up in the low pressure side of the system Q Note Dispose of the oil waste appropriately InRow RD 10 kW Air Cooled Operation and Maintenance 11 Operation Display Interface Item Q Critical Alarm LED red na1582a Function When lit a critical alarm condition exists and requires immediate attention O Warning Alarm LED yellow When lit a warning alarm condition exists Failure to correct this condition could cause a critical alarm Check Log LED yellow When lit at least one new event has been logged since the last time the log was checked Only events that pertain to the operation of the cooling unit will activate the LED Q Status LED green When lit the cooling unit is receiving electrical power When flashing green the cooling unit is downloading firmware for the controller Downloads may take up to ten minutes Liquid Crystal Display LCD View alarms status data and context sensitive help Modify configurable settings G Un and down arrow keys Select menu items and access
46. ole on page 36 to finish the configuration Remote access to the control console From any computer on the same subnet as the Network Management Card you can use ARP and Ping to assign an IP address to a Network Management Card and then use Telnet to access the control console of that Network Management Card and configure the needed TCP IP settings Note After the IP address of the Network Management Card is configured you can use Telnet without first using ARP and Ping to access that Network Management Card 1 Use the MAC address for the Network Management Card in the ARP command to define the IP address For example to define an IP address of 156 205 14 141 for a Network Management Card that has a MAC address of 00 c0 b7 63 9f 67 use one of the following commands Windows command format arp s 156 205 14 141 00 c0 b7 63 9f 67 LINUX command format arp s 156 205 14 141 00 c0 b7 63 9 67 Note The MAC address is available on the display interface at Path Main gt Configure Network or look at the label on the back of the Network Management Card for the MAC address InRow RD 10 kW Air Cooled Operation and Maintenance 35 36 Use Ping with a size of 113 bytes to assign the IP address defined by the ARP command For the IP address defined in step 1 use one of the following Ping commands Windows command format ping 156 205 14 141 1 113 LINUX command format ping 156 205 14 141 s 113 Use T
47. or alarm performance Ly Compressor suction and discharge pressures are recorded Ly Sight glass moisture sensor is green Final inspection checklist The final inspection verifies that the system is clean and the start up form has been sent to APC Ensure that LI System is clean and free from debris LI Packaging materials are disposed of properly LI Start up form was completed and sent to APC InRow RD 10 kW Air Cooled Operation and Maintenance Charging With Refrigerant Calculating R410A charge Use the following table and formula when calculating the total RA10A charge Condenser flooded charge in kg Ib for different Selected Condenser minimum outdoor ambient temperatures ambient summer Condenser temp in charge in 7 C 29 C 40 C model C F kg Ib 4 C 40 F 20 F 18 C 0 F 20 F 40 F ACCD75214 35 95 2 2 4 9 5 48 12 1 5 85 12 9 6 03 13 3 6 17 13 6 6 30 13 9 ACCD75214 40 105 2 2 4 9 5 48 12 1 5 85 12 9 6 03 13 3 6 17 13 6 6 30 13 9 ACCD75215 46 115 3 85 8 5 9 57 21 1 10 16 22 4 10 48 23 1 10 70 23 6 10 93 24 1 ACCD75216 35 95 1 36 3 3 08 6 8 3 26 7 2 3 36 7 4 3 45 7 6 3 49 7 7 ACCD75218 40 105 1 36 3 3 08 6 8 3 26 7 2 3 36 7 4 3 45 7 6 3 49 7 7 ACCD75220 ACCD75217 46 115 2 27 5 6 12 13 5 6 53 14 4 6 71 14 8 6 89 15 2 7 03 15 5 ACCD75219 ACCD75220 is CCC certified for use in China
48. ort at the local computer and disable any service that uses that port Connect the provided RS 232 configuration cable to the selected port on the computer and to the RS 232 console port at the Network Management Card Runa terminal program such as HyperTerminal on your computer and configure the selected port for 9600 or 19200 bps 8 data bits no parity 1 stop bit and no flow control Press ENTER repeatedly if necessary to display the User Name prompt If you are unable to display the User Name prompt verify the following The serial port is not in use by another application The terminal settings are correct as specified in step 3 The correct cable is being used as specified in step 2 Press the Reset switch The Status LED will flash alternately orange and green Press the Reset button a second time immediately while the LED is flashing to reset the user name and password to their defaults temporarily Press ENTER as many times as necessary to redisplay the User Name prompt then use the default ape for the user name and password If you take longer than 30 seconds to log on after the User Name prompt is redisplayed you must repeat step 5 and log on again From the Control Console menu select System then User Manager 8 Select Administrator and change the User Name and Password settings both of which are now defined as apc Press CTRL C log off reconnect any serial cable you disconnected and
49. provides it with the TCP IP settings If you specified a bootup file name the Network Management Card attempts to transfer that file from the BOOTP server using TFTP or FTP The Network Management Card assumes all settings specified in the bootup file f you did not specify a bootup file name you can configure the other settings of the Network Management Card remotely through its Web interface or control console user name and password are both apc by default See your BOOTP server documentation to creat a bootup file DHCP You can use a RFC2131 RFC2132 compliant DHCP server to configure the TCP IP settings for the Network Management Card This section summarizes communication between the Network Management Card and a DHCP server For more detail about how a DHCP server can configure the network settings for a Network Management Card see DHCP Configuration in the User xY Guide 1 A Network Management Card sends out a DHCP request that uses the following to identify itself A Vendor Class Identifier APC by default A Chent Identifier by default the MAC address value of the Network Management Card A User Class Identifier by default the identification of the application firmware of the Network Management Card 2 A properly configured DHCP server responds with a DHCP offer that includes all of the settings that the Network Management Card needs for network communication The DHCP offer also includes
50. quipment could result in serious injury or death After installation is complete verify that all components are working properly and that the cooling unit is ready to begin operation Inspection Checklists Initial inspection checklist The initial inspection ensures that the cooling unit has been properly installed the location of the cooling unit has been properly prepared and the cooling unit is free of damage A A Warning The cooling unit operates under pressure Take proper safety precautions when connecting gauges or servicing piping Warning Do not operate the cooling unit with any cover guard door or panel removed unless the instructions indicate otherwise Then proceed with extreme caution Warning Do not run service utilities in front of the fan outlets Caution The vapor barrier minimizes moisture infiltration Without a vapor barrier it will be difficult to maintain the humidity in the room Caution Do not introduce unconditioned outside air into the space Note A minimum of 900 mm 36 in of clear floor space in front of and behind the cooling unit is required for service access To roll the cooling unit out of the row there must be a minimum of 1200 mm 48 in of clear floor space in front of or behind the cooling unit Out of row service requires 760 mm 30 in of side clearance in addition to the front and rear clearance Ensure that LI The installation procedure is complete according to the inst
51. r settings are available on a menu or status screen Press the up or down arrow key to view the additional items Clear Event Log 4 Configure Modbus Set Date amp Time Set Password i na1623b Navigating the sub menus Selecting a main menu option displays the sub menu screen for that option In this example the selector arrow is on the top line ofthe Set Date and Time sub menu screen W Time 13 15 23 Date 18 Nov 2006 Format dd mm yyyy na1623c Use the up or down arrow key to move the selector arrow to an option and press the ENTER key List of choices If the setting is a list of choices an input arrow displays next to the setting Press the up or down arrow key to select the menu option to change Then press the ENTER key to exit the input mode and save the setting Press the Esc key to exit without saving Numbers or text fields If the setting is a number or text field use the arrow keys to select the value of the first character and press the ENTER key to move to the next character Press the ENTER key after the last character is set to exit the input mode and save the setting Press the ESC key to exit without saving If an invalid value is entered the display interface beeps and restores the previous valid value to the field Input arrows Input arrows next to a selected setting indicate that the setting can be modified by pressing the up or down arrow key Press the
52. ralizes the heat accumulated in the common hot aisle and expels it into the surrounding environmental space while maintaining the necessary temperature difference across the IT equipment In a Spot cooling environment the equipment operates like traditional CRAC equipment providing a constant return air temperature In Discrete mode the fans operate at a user selectable speed Fan Speed Preference and the compressor operates at maximum capacity In Prop Proportional mode the fans are modulated to maintain the required return air temperature and the compressor output is modulated to maintain the necessary supply air temperature Setpoints Path Main gt Set Group Setpoint A setpoint is the target value that a cooling group will maintain The default setpoints are appropriate for most cooling applications The setpoints for each mode must be within the following ranges Cool 18 0 25 0 C 64 4 78 8 F Deadband 17 7 5 6 C 0 10 0 F Supply Air 13 8 23 0 C 57 73 4 F Spot Proportional only 17 7 23 0 C 64 73 4 F HACS RACS or InRow Note The Supply Air setting is defined by APC authorized personnel only when the Q cooling group is commissioned Note The Supply Air setpoint must never be set higher than the Cool setpoint Fan Speed When the unit is programmed for HACS or RACS mode this property specifies the necessary temperature difference DT across the IT equipment When the cool
53. re CoPy SCP to upgrade firmware Modbus For more information on the interfaces see the User 5 Guide Web interface Use Microsoft Internet Explorer IE 5 5 and higher on Windows operating systems only Mozilla based browsers that support Firefox 1 x on all operating systems or Netscape 7 x and higher on all operating systems to access the Web interface of the cooling unit Other commonly available browsers also may work but have not been fully tested by APC You can use either of the following protocols when you use the Web interface The HTTP protocol enabled by default which provides authentication by user name and password but no encryption The HTTPS protocol which provides extra security through Secure Sockets Layer SSL encrypts user names passwords and data being transmitted and authenticates the Network Management Card by means of digital certificates To access the Web interface and configure the security of your device on the network 1 Address the Network Management Card by its IP address or DNS name if configured 2 Enter the user name and password by default ape and ape for an Administrator 3 To enable or disable the HTTP or HTTPS protocols use the Network menu on the Administration tab Select the access option under the Web heading on the navigation menu For more information on selecting and configuring network security see the Security Handbook available on the Utility CD or from th
54. re sensor is connected properly If the problem persists contact APC at a number on the back cover Return Air Sensor Fault of this manual Sply Air Snsr Fault Critical Make sure the temperature sensor is connected properly Supply Air Sensor Fault If the problem persists contact APC at a number on the back cover of this manual Rack Temp Snsr Fault Critical Make sure the temperature sensor is connected properly Rack Temperature Sensor If the problem persists contact APC at a number on the back cover Fault of this manual High Dischrg Pres Critical Check the condenser for obstructions High Discharge Pressure If the problem persists contact APC at a number on the back cover of this manual Low Suction Pres Critical For assistance contact APC at a number on the back cover of this Low Suction Pressure manual InRow RD 10 kW Air Cooled Operation and Maintenance 29 Alarm Message Severity Action Required High Suction Pres Warning Check the air filter and fans for obstructions High Suction Pressure If the problem persists contact APC at a number on the back cover of this manual Fan Num Fault Warning A hardware failure exists For assistance contact APC at a number Fan Fault on the back cover of this manual Water Detected Warning e Identify the source of the leak Water could be from the condensate pump condensate carryover from the evaporator or condensation For
55. restart any service you disabled InRow RD 10 kW Air Cooled Operation and Maintenance Maintenance Monthly Preventive Maintenance Photocopy the following pages and use them during the maintenance procedures After they have been completed save them for future reference Prepared By Model Number Serial Number Date Environment m m In what type of room is the cooling unit located Is the cooling unit maintaining the temperature setpoint Temperature setpoint Is there visible damage to the cooling unit dents scratches Check for environmental damage dirt dust debris liquid stains around the cooling unit installation area Record the room temperature near the air return of the cooling unit Temperature Record the alarm history for the last month Cleanliness Q Check the condition of the air filters Change if necessary Q Check for accumulation of debris in the drain pan Clean as required InRow RD 10 kW Air Cooled Operation and Maintenance 41 Mechanical Electrical Hazard Turn off the cooling unit and disconnect all power sources Perform Lockout Tagout procedures before performing any electrical or mechanical service Wear appropriate personal protective equipment when checking hazardous voltages Q Check the fans All components should be moving freely with no signs of binding or damages Q Verify that the condensate line i
56. s flowing freely Electrical Electrical Hazard Turn off the cooling unit and disconnect all power sources Perform Lockout Tagout procedures before performing any electrical or mechanical service Wear appropriate personal protective equipment when checking hazardous voltages Q Inspect the electrical panel for tight connections and for overheated connections from loose contact terminals Q Confirm that the incoming main power matches the rating listed on the nameplate of the cooling unit The measurement should be within 1096 of the nameplate listing 42 InRow RD 10 kW Air Cooled Operation and Maintenance Quarterly Preventive Maintenance Perform all the Monthly Preventive Maintenance items and the items below Prepared By Model Number Serial Number Date Mechanical Tagout procedures before performing any electrical or mechanical service Wear appropriate personal protective equipment when checking hazardous voltages Electrical Hazard Turn offthe cooling unit and disconnect all power sources Perform Lockout Verify that the fan hardware is tight Clean or replace the air filters Clean the condensate drain line Clean the dust from door perforations D CO D D DO Clean the dust from fan bezels Functional tests Q Verify the cooling operation mode is functioning properly Semi Annual Preventive Maintenance Perform all the Monthly Quarterly Preventive Maintenance items and the ite
57. shlds screen Violation If the problem persists contact APC at a number on the back cover of this manual Rtn Air High Temp Warning Make sure the Return Air threshold is set correctly in the Set Unit Return Air High Temperature Threshlds screen Violation If the problem persists contact APC at a number on the back cover of this manual Filter DP Sensor Failure Warning Make sure the sensor is connected properly If the problem persists replace the sensor or contact APC at a number on the back cover of this manual Suction Temperature Sensor Warning Make sure the sensor is connected properly Failure If the problem persists replace the sensor or contact APC at a number on the back cover of this manual 30 InRow RD 10 kW Air Cooled Operation and Maintenance Alarm Message Severity Action Required Suction Pressure Sensor Failure Warning Make sure the sensor is connected properly If the problem persists replace the sensor or contact APC at a number on the back cover of this manual Dischrg Pressure Sensor Failure Warning Make sure the sensor is connected properly If the problem persists contact APC at a number on the back cover of this manual Input Contact Fault Warning Make sure the Input Normal state is defined correctly in the Configure Unit gt Discrete I O screen See page 17 for more information Clear the problem that caused the input contact switch to change fro
58. start up and system charging The inspection ensures that field piping is properly installed to promote oil return to the compressor Warning The equipment is shipped from the factory with a nitrogen holding charge Remove the nitrogen holding charge using the Schrader valves located on the internal refrigerant piping Caution Improperly installed piping may result in improper operation and possible damage to the cooling unit or surrounding equipment Ensure that the L Fans are turning freely and that the blades are not distorted or bent Condensate drain line is at least the size of the drain connection Piping joints are tight Mechanical connections are tight including compressor and receiver rotolock connections Refrigerant piping size is correct according to the line size table in the installation manual Vertical horizontal and total run lengths of the liquid discharge and suction lines are recorded Number of 45 and 90 degree bends in the refrigerant piping are recorded L DO DD OL U Field installed traps and piping are in accordance with the installation manual and follow proper piping practices U Refrigerant piping is adequately supported and isolated when necessary U Field installed service valves are open Pressure relief valve is installed in accordance with the installation manual as well as local and national codes and regulations Piping in the building a
59. t character and move the cursor to the next character position After selecting the last character of your password press the ENTER key once more to submit your password Once the password is entered it remains in effect until the period of inactivity exceeds the Password Timeout setting See Timeout on page 23 Q Note Passwords are case sensitive Start the cooling unit Path Main gt On Standby To start the cooling unit change the setting to On by pressing the ENTER key to toggle from Standby to On The fans will start The cooling unit will run according to the configured settings Note On Standby only affects the local cooling unit You must set the On Standby option for each cooling unit in the cooling group Note To toggle between On and Standby from the scrolling status screens press the ENTER key three times in rapid succession InRow RD 10 kW Air Cooled Operation and Maintenance 15 Stop the cooling unit Path Main On Standby Press the ENTER key to change the setting to Standby The cooling unit enters the standby mode Electrical Hazard The Standby option does not remove power from the cooling unit You AN must disconnect power at the mains to remove power from the cooling unit General Configuration The cooling group configuration options are set during the commissioning of the cooling units in the cooling group Caution This procedure must be performed by APC authorized personnel only Chang
60. te Indicates important information Indicates that more information is available on the same subject Cross reference symbol used in this manual See another section of this document or another document for more information on this subject InRow RD 10 kW Air Cooled Operation and Maintenance Safety Read and adhere to the following important safety considerations when working with this cooling unit Note All work must be performed by American Power Conversion APC authorized personnel only equipment for foreign objects before closing the doors and starting the equipment d Caution Keep your hands clothing and jewelry away from moving parts Check the Heavy The equipment is heavy For safety purposes at least two people must be present when moving this equipment Tip Hazard This equipment has a high center of gravity Use extreme caution when A moving Electrical Hazard Do not wear jewelry when working near energized components the equipment Lockout Physically label the equipment as intentionally out of service Tagout Warning Before performing any service properly de energize and remove access to 2 InRow RD 10 kW Air Cooled Operation and Maintenance Commissioning Warning APC authorized personnel must perform the following procedures Electrical Hazard Perform Lockout Tagout procedures on the cooling unit before servicing the cooling unit Failure to remove power before servicing this e
61. the Vendor Specific Information option DHCP option 43 By default the Network Management Card will ignore DHCP offers that do not encapsulate the APC cookie in the Vendor Specific Information option using the following hexadecimal format Option 43 01 04 31 41 50 43 where the first byte 01 is the code the second byte 04 is the length the remaining bytes 31 41 50 43 arethe APC cookie See your DHCP server documentation to add code to the Vendor Specific Information option To disable the requirement that a DHCP offer include the APC cookie use the DHCP Cookie Is setting in the control console Network TCP IP Boot Mode gt DHCP only gt Advanced gt DHCP Cookie Is 34 InRow RD 10 kW Air Cooled Operation and Maintenance Local access to the control console You can use a computer connected to the serial port on the main board holding the Network Management Card to access the control console 1 Select a serial port at the local computer and disable any service that uses that port 2 Use the provided configuration cable to connect the selected port to the serial port on the main board holding the Network Management Card 3 Run a terminal program such as HyperTerminal and configure the selected port for 9600 or 19200 bps 8 data bits no parity 1 stop bit and no flow control Save the changes 4 Press ENTER to display the User Name prompt 5 Use ape for the user name and password See Control cons
62. ure Threshlds screen HighThreshold If the problem persists contact APC at a number on the back cover of this manual InRow RD 10 kW Air Cooled Operation and Maintenance 31 Network Management Card Quick Configuration The cooling unit is shipped with a Network Management Card that enables the cooling unit to be managed over a network Configure the Network Management Card to control this cooling unit through a network Overview You must configure the following TCP IP settings before the Network Management Card can operate on a network IP address of the Network Management Card Subnet mask Default gateway for the Network Management Card Doing so will disable the card and will require you Caution Never use the loopback address 127 0 0 1 as the default gateway address N to reset TCP IP settings to their defaults using a local serial login located on the same subnet as the Network Management Card and that is usually running The Network Management Card uses the default gateway to test the network when traffic is very light n Note If a default gateway is unavailable use the IP address of a computer that is See Watchdog Features in the Introduction of the User x Guide for more information about the watchdog role of the default gateway TCP IP configuration methods Use one of the following methods to define the basic TCP IP settings needed by the Network Management Card APC Device IP Conf
63. uses the output to change from its normal state OHE In Norm Set the normal state of the contact Open or Closed for the Outdoor Heat Exchanger Cooling Group Configuration Use the cooling group configuration settings to add cooling units to the group and to define group operation Caution This procedure is to be performed by APC authorized personnel only The settings in the Configure Group menu are defined by APC authorized personnel when the cooling group is commissioned Configure the cooling group Path Main gt Configure Group The Configure Group menu contains settings that identify the number of cooling units installed in this cooling group and the physical arrangement of those cooling units Num Units Enter the number of cooling units in this cooling group Up to 12 cooling units can be joined together to work as a single cooling group InRow RD 10 kW Air Cooled Operation and Maintenance 17 Type Set the rack deployment strategy for the cooling units of this cooling group Spot The cooling unit is used as a stand alone unit In Row Air flow is not ducted Hot aisle air is cooled and the cooled air supply is shared by all loads in the row RACS Rack Air Containment System Air flow in the enclosure is controlled by a ducting system fitted to the enclosure HACS Hot Aisle Containment System Air flow in the room is controlled by enclosing the hot air aisle The loads share an enclosed common hot aisle

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