Microprocessor Controller
Contents
1. 11 Optional kits Rack door kit ACAC21005 Item Description 12 0606006 Door assembly Door assembly left split Door assembly right split Screw T30 M6 x 12 flat head Screw T30 M6 x 12 nylok pan head E SN E NAN na3218a Qty Item Description 1 O Screw T30 M6 x 12 pan head 1 O Hinge 1 Closure bracket 12 O Washer M6 external tooth 2 Wrench T30 2 Philips RDU Technical Data Manual Qty Flange kit ACAC21006 na3217a Item Description Qty Item Description Qty O Flange 1 625 in OD female 1 O Gasket 1 5 8 in flange 1 O Flange 1 625 in OD male 1 O Gasket 3 1 8 in flange 1 Bolt 8 O Flange 3 125 in OD male 1 O Nu 8 Q Flange 3 125 in OD female 1 Pipe clamp kit ACAC11005 ace Item Description Qty Item Description Qty O Pipe clamp 3 98 in 4 53 in return 2 O Pipe support insulation 1 5 8 in x 2 in 2 3 8 in split lockwasher 4 O Hex head bolt 3 8 x 16 x 3 4 Pipe clamp 2 60 in 2 99 in supply 2 Q Pipe support insulation 3 1 8 in x 3 in 2 Note Depending on system configuration you may have extra parts remaining after assembly RDU Technical Data Manual 13 RDU piping kit one port ACAC21000 na3127a Item Description Qty Item Description Qty O RDU 1 port assembly return 1 Teflon ring for rotolock 1 1 4 in 2 RDU 1 port assembly supply 1 Q Teflon ring for rotolock 1 3 4 in 2 RDU piping2. 396 161 6 3 100 43 6 2 450 Note All values are accurate to 3 kW 10 236 BTU hr rated with 20 PG Note Dewpoint must be 13 3 C 56 F Or lower to achieve conditions listed in table RDU Technical Data Manual 17 General Data Performance Data General MODEL ACDA901 PHYSICAL DATA Weight kg Ibs Net Weight 544 1200 Operating Weight top piped 661 1455 Operating Weight bottom piped 674 1482 Shipping Weight 580 1279 Nominal Dimensions mm in Net Height 1991 78 39 Net Width 1070 42 13 Net Depth 750 29 50 Shipping Height 2165 85 2 Shipping Width 1168 46 Shipping Depth 1150 45 3 CONNECTION SIZES mm in OD nominal CW inlet Cu brazed 76 2 3 CW outlet Cu brazed 76 2 3 Refrigerant Supply Cu brazed 38 1 1 5 Refrigerant Return Cu brazed 76 2 3 CONTROL VALVES mm in nominal Main 2 way brass 50 8 2 Bypass 2 way brass 102 Cv orifice included 38 1 1 5 FLOW RATE Maximum Flow Rate of RDU 1 s GPM 11 4 180 WORKING PRESSURE Maximum Working Pressure of RDU kPa PSI Water 2068 300 Maximum Working Pressure of RDU kPa PSI Refrigerant 1379 200 NUMBER OF INROW PUMPED REFRIGERANT COOLING MODULES CONNECTED MAX MIN InRow OA 6 0 OPERATING TEMPERATURE Maximum Ambient Operating Temperature C F 52 8 127
3. Precision environmental require ments now reach far beyond the confines of the traditional data center or computer room to encompass a larger suite of applications referred to as technology rooms Critical envi ronment applications include Computer rooms Telecommunication facilities Clean rooms Power Equipment Medical equipment rooms Archives LAN WAN environments A worldwide network of APC repre sentatives is fully qualified to provide engineering sales installa tion and service for our products APC warrants all parts for 12 months from start up Extended warranties are available Capacity The RDU can serve multiple CM units and provide up to 160 kW of heat rejection Fluid Distribution Water or a water glycol mixture is pumped from a customer supplied chiller into the primary circuit of a heat exchanger inside the RDU Heat contained in refrigerant R 134a in the secondary circuit of the heat exchanger is removed in this heat exchanger and transferred to the water or water glycol mixture The water or water glycol mixture then returns to the chiller Refrigerant is then pumped to the cooling modules where heat generated by the IT equipment is collected and carried back to the RDU by the refrigerant Compliance Approval UL Listed C UL Listed CE KCC C Tick RDU Technical Data Manual Standard Features Redundant R134a variable speed circulation pumps EC BLDC Sub cooler Refrige
4. Pump outlet temperature sensor fault 3 Receiver pumped dry 32 Refrigerant loss detected 33 Subcooler outlet temperature sensor fault 34 System stop 35 Temperature humidity duplicate CAN address 36 Unitis in maintenance mode 37 Starting conditions not satisfied 38 Water leak detected 30 RDU Technical Data Manual 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 D Logging The microprocessor controller shall log and display all available events Each alarm log shall contain time date stamp as well as operating conditions at the time of occurrence Controller shall display the run time hours for major components Water leak detected warning Air filter service interval expired Evaporation temperature below dewpoint Fan 1 door open Fan 1 fault Fan 1 missing or wrong type Fan 2 door open Fan 2 fault Fan 2 missing or wrong type Fan 3 fault RA only Fan 4 fault RA only Fan 5 fault RA only Fan type not configured Group communication fault Liquid inlet pressure sensor fault Liquid temperature sensor fault Primary power source overvoltage Secondary power source overvoltage Rack temperature sensor fault Rack temperature high violation RDU communications fault Return air high temperature violation Return air temperature sensor fault front Return air temperature sensor fault middle Return air temper
5. 18 RDU Technical Data Manual Performance Data General SOUND Lp Sound Pressure front unit dB re 20 UPa 61 dBA REFRIGERANT Type R 134a Unit Charge kg Ib MINIMUM 27 60 System Charge kg Ib 77 170 WATER Volume Top Piped liters gal 43 11 3 Volume Bottom Piped liters gal 50 6 13 4 80 equivalent feet 6 CMs and maximum piping length Note Maximum distance between the RDU and the farthest cooling module is 24 4 equivalent meters The quantity of 6 OAs is based on a capacity of 25kw per unit If OAs are operating at less capacity more units can be piped to an RDU to total 160kW Unit only tested at 1 0m 3 3 ft in front of the unit Weighted Sound Pressure dBA in a 1223 m 3 43 200 ft 3 room at 1 0 m 3 3 ft distance Power Consumption Total Net Capacity Power Consumption kW BTU hr Watts 160 545 900 650 140 478 125 551 120 409 822 466 100 341 518 394 80 273 214 337 Glycol Correction Factors Percent Volume of Solution Glycol Performance Criteria Solution 0 10 20 30 40 50 Capacity Propylene 1 00 1 00 1 00 0 90 0 76 0 64 Ethylene 1 00 1 00 1 00 0 90 0 78 0 62 Pressure Drop Propylene 0 91 0 96 1 00 1 05 1 14 1 22 Ethylene 0 93 0 97 1 00 1 03 1 07 1 13 All correction factors are based on 160 GPM 10 11 s and 45 F 7 22C E
6. RA units Optional flanges Refrigerant piping This example shows an RDU with both bottom piped chilled water lines and bottom piped refrigerant gt lines routed to multiple RA units Optional flanges Refrigerant piping 24 RDU Technical Data Manual This example shows an RDU with both top piped Strainers chilled water lines and top Optional flanges Refrigerant piping piped refrigerant lines routed to multiple RA units Chilled water piping f a lt T na3229a Note In addition to the preceding examples both OA and RA units can be piped to the same RDU RDU Technical Data Manual 25 Piping and Power Access Locations Top view 1066 80 42 00 pa 7 25 4 4 102 1 4 Z 0 4 02 TAS 750 29 53 y ji i 3 110 4 4 53 e Y Y 183 9 7 24 Frontotunit gt 149 9 5 90 268 7 10 58 Dimensions are shown in mm in Item Description o Chilled water inlet 4 Q Topelectrical power connections as 6 shipped Refrigerant supply line 26 Item Description Refrigerant return line Chilled water outlet RDU Technical Data M
7. kit two port ACAC21002 na3128a Item Description Oty Item Description Oty 1 RDU 2 port assembly return 1 e Teflon ring for rotolock 1 1 4 in 4 O RDU2 port assembly supply 1 Q Teflon ring for rotolock 1 3 4 in 4 14 RDU Technical Data Manual RDU piping kit three port ACAC21004 gt Item Description Qty Item Description Q RDU3 port assembly return 1 Teflon ring for rotolock 1 1 4 in RDU3 port assembly supply 1 Q Teflon ring for rotolock 1 3 4 in 914 mm 3 ft stainless steel flex pipe kit ACAC21007 na3326a Item Description Oty Item Description Q Teflonring 1 25 in 1 Hose 1 25 in OD 914 mm 3 ft O Hose 1 in OD 914 mm 3 ft 1 O Teflon ring 1 75 in RDU Technical Data Manual Qty Qty 15 1828 mm 6 ft stainless steel flex pipe kit ACAC21008 A NY NN AA A KA ANN M AN m W W N A WA M W N N c E e e e 5 c Item Description Qty Item Description Qty O Teflon ring 1 25 in 1 Hose 1 25 in OD 1828 mm 6 ft 1 O Hose 1 in OD 1828 mm 6 ft 1 O Teflonring 1 75 in 1 16 RDU Technical Data Manual Performance Specifications Performance Specifications 7 C 45 F EWT CW Delta T Total Net Capacity CW Flow Rate CW Pressure Drop Power Consumption C CF kW BTU hr Vs GPM kPa psig Watts 3 9 7 160 545 900 10 1 160 83 12 650 4 4 8 141 481 540 8 2 130 61 8 8 555 5 0 9 116
8. piping kit two port ACAC21002 14 RDU piping kit three port ACAC21004 15 914 mm 3 ft stainless steel flex pipe kit ACAC21007 15 1828 mm 6 ft stainless steel flex pipe kit ACAC21008 16 Performance Specifications General Data canina Dimensional Data Service access dimensions 21 Piping and Mechanical Connections Internal Piping Diagram External Piping Diagrams OA UNIS sas sani oh els eie EN Een e We E RE RR dee 23 RA UNIES rentree abaan ka ig aa is 24 Piping and Power Access Locations Top VIeW iuueni nange ga a gen Taha nan ia RE WU E Eau xk arai RR ete n 26 Bottom view looking up 27 Guide Specifications Guidelines for Installation Room preparation 33 Service ACCESS use za A ic le rec na n nva reg a ri 33 Receiving the unit 33 Rigging odia a a Ra Rr mL RR E RR m S a mr 33 ii RDU Technical Data Manual Overview The Refrigerant Distribution Unit RDU offers efficient effective and economical pumped refrigerant for use with its associated InRow cool ing modules CM
9. A Submittals shall be provided with the proposal and shall include overall dimensions of the unit electrical requirements and capacity data typical Piping and Electrical Connection drawings QUALITY ASSURANCE A Theunit shall be factory tested prior to shipment Testing shall include complete pressure and leak testing to ensure system integrity The system shall be inspected for quality control before shipment B The unit shall be UL Listed to UL 1995 and CSA C22 2 No 236 WARRANTY With factory startup parts and labor shall be provided with a warranty against defects for a period of 12 months from date of shipment from factory Without factory startup the warranty is parts only PART 1 STANDARD COMPONENTS 1 01 28 STANDARD FEATURES A The RDU shall include a heat exchanger redundant pumps sub cooler refrigerant receiver ACDA901 modulating control valve dual power feeds and associated factory piping RDU Technical Data Manual 1 02 1 03 1 04 1 05 1 06 CABINET CONSTRUCTION The frame shall be 14 gauge formed steel and bolted together The front and back exterior panels shall be 18 gauge steel and the side exterior panels shall be 20 gauge steel All exterior panels and corner posts on the frame shall be powder coated black The unit shall include front removable panels for system installation and service The front panels shall have provisions to be locked with a key The unit s
10. APC by Schneider Electric Refrigerant Distribution Unit RDU and Piping SKU ACDA901 Technical Data 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 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 BELIABLE 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 CO
11. NVERSION 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 information This Publication shall not be for resale in whole or in part Contents ea RERUM Scalable Solution for Critical Environments 2 Refrigerant inten vll ls ag a atn 2 High Density 2 Leased Facilities 2 APC Pumped Refrigerant System The Right Solution 2 InRow Advantages 2 Scalable for High Density 3 Standard Features eere nennen Cabinet 480888 seil c Rp a RE REY RE TES ERE LES 4 Heat Exchanger 4 Redundant Refrigerant Pumps 4 Microprocessor Control 4 2 wa
12. O Refrigerant pump B output pressure sensor Refrigerant HXGR output pressure sensor Refrigerant pump A output pressure sensor Condenser O Isolation valves Refrigerant HXGR input temperature sensor O Pumps Two way water ball valves O Refrigerant subcooler output temperature sensor D Leaving water temperature sensor Subcooler Entering water temperature sensor 22 RDU Technical Data Manual External Piping Diagrams OA units Optional flanges This example shows an RDU with bottom piped chilled water lines and top A A A piped refrigerant lines routed to multiple OA units Refrigerant piping This example shows an RDU with both top rainers Optional flanges Chilled water piping Strainers piped chilled water lines and top piped refrigerant lines routed to multiple OA units Chilled water piping na3225a RDU Technical Data Manual ESESIEN IN Optional flanges Refrigerant piping 23 RA units Refrigerant piping This example shows an RDU with bottom piped chilled water lines and top nd piped refrigerant lines routed to multiple RA units ELS gt na3228a Chilled water piping lt Optional flanges Strainefs This example shows an RDU with top piped chilled Strainers water lines and bottom piped refrigerant lines Chilled water piping routed to multiple
13. RDU Technical Data Manual 1 2 And 3 port RDU Piping Kits This kit provides three optional solu tions for routing refrigerant to and from the CM They may be installed directly on the InRow OA mount frames hung from threaded rod or attached to support members Microprocessor Controller Microprocessor Controller The master display allows monitor ing and configuring the cooling system through a menu based con trol Functions include status reporting set up and temperature set points Four LEDs report the opera tional status of the connected cooling system Controls The ACDA901 comes equipped with control keys to allow the user to navi gate between menus select items and input alphanumeric information Alarms The microprocessor controller acti vates a visible alarm upon the occurrence of the following events The alarm will also be audible if Beep on Alarms is enabled and the beeper is not turned off Bypass valve actuator fault Condenser inlet temperature sensor fault Condenser outlet pressure sensor fault Condenser outlet temperature sensor fault Condensing temperature high violation Condensing temperature low violation CW valve actuator fault DC power supply 1 fault DC power supply 2 fault Discrete input abnormal Entering fluid temperature high violation Inlet water temperature sensor fault Internal communication fa
14. WT Multiply capacity of device or system by factor above for solution Multiply pressure drop of system by factor above for solution Glycol concentrations over 5096 are not recommended RDU Technical Data Manual 19 20 Electrical Data Power SKU Watts MOP Amps MCA Amps Plug Type NEMA L5 20P 100 120 VAC ACDA901 100 240V 1 50 60 Hz 650 20 20 IEC 309 16 20A fe 200 240 VAC Note Above data is based on maximum operating condition Note Installation must comply with local and or national electrical codes Watts power value is to be used for genset and UPS sizing MCA Minimum Circuit Ampacity MOP Maximum Overcurrent Protection RDU Technical Data Manual Dimensional Data 2050 78 39 na3itia Dimensions are shown in mm in Service access dimensions For service an area of clear space around the RDU is required as shown na3110a n Note Bottom clearance is optional for top piping top clearance is optional for bottom piping RDU Technical Data Manual 21 Piping and Mechanical Connections Internal Piping Diagram Cooling Chilled water modules Item Description Item Description O Sight glass ORD valve O Filter dryer Receiver Refrigerant pump output temperature sensor Liquid level sensor Q Check valves Refrigerant HXGR output temperature sensor
15. anual Bottom view looking up Front of unit 4 486 40 19 15 441 40 17 88 268 70 10 58 183 90 7 24 E 149 90 5 90 me a Mil 4 84 40 3 32 110 40 4 53 ja iod 5 Y B WIES N 110 40 4 35 o_o O o O o_o oo o O oo oo o O oo oo o O Q O oo o O ONO oo O O oo o o oto FO 4 U O 210 00 8 27 oo Y oo df DL ES 102 10 4 02 O E Y O 7 129 5 09 1842 7 25 Dimensions are shown in mm in Item Description Item Description O Chilled water outlet Q Retrigerant supply line 2 Bottom electrical power connections O Chilled water inlet optional Refrigerant return line O Pressure relief valve outlet RDU Technical Data Manual 27 Guide Specifications PART 1 GENERAL 1 01 1 02 1 03 1 04 1 05 SUMMARY A These specifications describe requirements for a system designed for cooling of IT equipment The system shall be designed to distribute refrigerant to the row based close coupled cooling units DESIGN REQUIREMENTS A The RDU shall be manufactured by APC shall include supply and return refrigerant connections that may be piped to the distribution manifold installed to distribute the refrigerant to the cooling units The unit shall be as described in the following specification as manufactured by APC SUBMITTALS
16. ature high violation RDU communications fault Return air high temperature violation Return air temperature sensor fault front Return air temperature sensor fault middle Return air temperature sensor fault rear Supply air high temperature violation Supply air temperature sensor fault front Supply air temperature sensor fault rear Unit ID needs configuration Unit personality not configured Vapor outlet pressure sensor failure Evaporation temperature below dew point Logging The event log keeps a record of all alarms and events Each event log contains a time date stamp as well as operating conditions at the time of occurrence The controller also dis plays run time in hours for major components RDU Technical Data Manual Display Interface The backlit four line by twenty character display interface is pass word configurable Component ldentification Exterior Item Description Electrical connections top or bottom configurable Top panel Refrigerant supply and return lines top or bottom configurable Panel lock Display interface Locking panels Item Description Leveling feet Casters Side panel Panel removal handles Chilled water inlet top or bottom configurable Chilled water outlet top or bottom configurable RDU Technical Data Manual Interior E ye Item Description 9008 8 8 8 Sc
17. ature sensor fault rear Supply air high temperature violation Supply air temperature sensor fault front Supply air temperature sensor fault rear Unit ID needs configuration Unit personality not configured Vapor outlet pressure sensor failure Evaporation temperature below dew point 1 08 NETWORK MANAGEMENT CARD A The unit shall include a network management card to provide management through a computer network through TCP IP Management through the network should include the ability to change set points as well as view and clear alarms RDU Technical Data Manual 31 1 09 SELECTABLE TOP OR BOTTOM PIPING A Pipe connections for field connection from either the top or bottom of the unit Unit connections shall be made external to the unit B Piping should be factory insulated with 1 2 inch closed cell neoprene insulation 1 10 DUAL POWER INPUT A Input Power Feeds Dual power inputs should be a locking NEMA or IEC plug connection suitable for the input power 111 DUAL REFRIGERANT PUMP POWER SUPPLIES A Power Supplies The unit shall include two power supplies each capable of running the unit at 90 capacity in the event of a single power supply failure B Operation and Service Power supply shall be replaceable by certified personnel PART 2 IMPLEMENTATION 2 0 INSTALLATION A Installation of the system shall be in accordance to the Guidelines for Installation by the manufacturer B Installation shall b
18. d Leased Facilities Installing a data center in a leased facility is usually not a big issue since the IT equipment can be removed from the racks However the actual valves and piping are typi cally not moved The Network Critical Physical Infrastructure NCPI must be portable so that it is easily moved to a new location A raised floor is not typical in leased facilities Deploying a NCPI without the use of a raised floor eliminates a one time expenditure APC Pumped Refrigerant System The Right Solution Highly scalable and flexible the sys tem is capable of growing with your cooling needs as they increase Each CM is installed with isolation valves for fluid control RDU Technical Data Manual InRow Advantages The in row solution improves energy efficiency and cooling ability in a number of ways First the CM draws air directly from the hot aisle allow ing the cooling unit to take advantage of higher heat transfer efficiency due to higher temperature differences The InRow unit never chills the air below its dewpoint This signifi cantly decreases water consumption and energy use and eliminates heat transfer inefficiencies caused by wet coils Scalable for High Density The predictable performance of the row based architecture makes it well suited for high density applications The focus on heat removal instead of cold air delivery is the key to making this approach scalable The modular design of the InRow
19. e performed by the manufacturer or supervised by the manufacturer service representative C Installation of piping and connections from the RDU to the distribution manifold shall be performed be supervised by the manufacturer service representative Note Minimum raised floor height for bottom piping is 18 inches 357 2 mm 2 00 STARTUP A Start up of the RDU shall be performed by the manufacturer 32 RDU Technical Data Manual Guidelines for Installation The RDU provides cooled refrigerant to InRow cooling modules CM to achieve reliable accurate temperature control of computer rooms laboratories and other environments that require close tolerance control The unit incorporates the latest system design innovations to provide you with optimum efficiency reliability and accuracy of control The RDU unit will provide years of trouble free service when installed and maintained by technically qualified personnel For more detailed information see the appropriate RDU Installation manual Room preparation During the design of the data center consider ease of entry for the equipment floor loading factors and accessibility to piping and wiring Seal the room with a vapor barrier to minimize moisture infiltration Polyethylene film is recommended for ceiling and wall applications Apply rubber or plastic based paints to concrete walls and floors Insulate the room to minimize the influence of exterior heat loads Use the minimum r
20. equired amount of fresh air for make up to comply with local and national codes and regulations Fresh air imposes extreme load variation on the cooling equipment from summer to winter and causes increased group operating costs Service access For installation at least 914 mm 36 in of clear space must be left in the front of the unit Receiving the unit Your RDU has been completely tested and inspected prior to shipment To ensure that you have received the unit in excellent condition perform a careful inspection of the crating and the unit immediately upon receipt Verify that all parts ordered were received as specified Report any damage discovered to the freight carrier If necessary contact the APC field service department for help in repairing or replacing damaged parts While APC is not responsible for damage incurred in transit we want to make sure that you have no undue delays in your system start up See the unpacking sheet and installation manual for more information Rigging The unit is manufactured with a formed steel frame for maximum strength and unit integrity However as with all electrical and mechanical equipment you must take care with proper rigging of your unit When using a forklift to move the unit use the shipping skid to protect the bottom of the unit When using chains cables or rope to lift the unit use spreader bars to prevent damage to the finished panels Four threaded M10X16 holes are provided in the t
21. erant for variable capacity of the system Each pump may be replaced while the unit is in operation without effect ing system performance Microprocessor Control Users can navigate between menus select items and input alpha numeric information using control keys The microprocessor controller acti vates a visible and audible alarm in the occurrence of certain events See Alarms on page 6 2 way 3 way Water Control Valves The RDU includes a pair of floating point microprocessor controlled 2 way valves which regulate the amount of chilled water into the heat exchanger to maintain optimal cool ing conditions for the system The valves are user configurable to oper ate in either two way or three way mode Top or Bottom Power Feed Electrical power is supplied to the unit via a locking NEMA or IEC plug connection top wiring only suitable for the input power Hard wired electrical power may be supplied to the unit through top or bottom connections Dual power feeds allow cooling to remain operational during a power outage to the main power source Shutdown Input Alarm Output The unit provides one field connec tion input for remote shutdown and one field connection alarm output RDU Technical Data Manual Selectable Top or Bottom Piping Connections The unit includes provisions for either top or bottom water piping connections Piping may be brazed directly to external pipes or to flanges to facili
22. hall include casters for easy installation and leveling feet at each corner All internal piping including headers and distribution lines shall be insulated with Y2 inch 12 7 mm closed cell insulation CONNECTIONS A Theunit shall include provisions for either top or bottom piping connections of chilled water and refrigerant The top connections to be piped overhead attached to the ceiling structure or bottom connections to be piped through the raised floor PUMPS The pumps shall be factory piped and factory wired in the pumping unit The unit shall have 2N redundant pumps Bach pump shall be able to be replaced while unit is in operation without affecting the performance of the system The pumps shall be able to automatically adjust the flow of refrigerant for variable capacity of the system HEAT EXCHANGER A The heat exchanger shall be brazed plate type constructed of 316 stainless steel plates B The primary side shall be piped to a chilled water source C The secondary side shall be piped to the cooling units WATER CONTROL VALVE A A modulating chilled water valve shall control the flow of chilled water on the primary side of the heat exchanger The valve actuator shall maintain a constant refrigerant condensing temperature for optimum cooling RDU Technical Data Manual 29 1 07 MICROPROCESSOR CONTROLLER A Monitoring and Configuration The master display shall allow monitoring and configuration of
23. hrader valve Clean out tee Brazed plate heat exchanger Actuator User interface Nameplate Electronics board Subcooler Pressure transducer Item Description e e e O RDU Technical Data Manual Drip shield Refrigerant pumps Power supply housing Rotolock valves Receiver Pressure relief valve Liquid level sensor Electrical receptacles Loose parts kit na3251 Item Description Qty Item Description O Teflon ring 1 3 4 in for rotolock valves gt Philips screw OQ Teflon ring 1 1 4 in for rotolock valves 2 Mounting bracket Gasket 1 5 8 in flange for refrigerant 1 Lock washer supply line O Gasket 2 in union for internal water 4 Washer valves O Gasket 2 5 8 in flange for refrigerant 3 Q Bol return and chilled water inlet and outlet lines O Power cord IEC 309 2 D Magnets for remote control mount O Power cord L5 20P 2 Temperature and humidity sensor Touch up paint 1 Infrared remote control O Hook and loop fastener 2 10 RDU Technical Data Manual Qty Insulation kit d na3241a Item Description Qty Item Description O Inside cover 1 5 in pipe clamp insulation 5 Inside cover 3 in pipe clamp insulation Cover 1 5 in pipe clamp insulation 2 O Cover 3 in pipe clamp insulation Flange boot 1 62 in ID 1 Flange boot 2 62 in ID RDU Technical Data Manual X Qty 5 5 3
24. op of the frame to accommodate lifting eye bolts that can be utilized to lift the unit RDU Technical Data Manual 33 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 to obtain local customer support contact the APC representative or other distributors from whom you purchased your APC product O 2010 APC by Schneider Electric APC the APC logo 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 3611 001 7 2010
25. rant loss monitoring ISX central integration network card Local user interface Top or bottom piping configuration for both refrigerant and chilled water connections Dual power supplies 0 10096 capacity modulation Field configurable 2 way chilled water valves Top or bottom power feed Dual power inputs No minimum heat load Accessories NetShelter SX 42 U to 48 U height adapters NetShelter VX 42 U height adapters Refrigerant piping flanges Modular piping headers Rack door Scalable Solution for Critical Environments Refrigerant Mitigating the risk of fluid leaks is critical to the smooth operation of a technology room Data centers can be installed where raised floors are not available This hard floor environ ment requires that the cooling fluid piping be installed overhead The fluid used in this modular pumped refrigerant system is R134a refriger ant R134a is a non toxic refrigerant that poses no threat to IT equipment in the event of a leak and has no ozone depletion potential High Density High density areas are caused by consolidation of servers where there is a lack of space or just moving from multiple clusters of servers to a sin gle larger server Naturally this will make the power densities increase resulting in a higher than average cooling load per rack The higher cooling demand might require addi tional cooling units thus requiring additional fluid lines to be installe
26. tate ease of discon necting the RDU Network Management Card The Network Management Card NMC allows communication with the Local Area Network LAN In addition the NMC permits multi level access to monitoring control and event notification features over the building network Bay Kit NetShelter SX Baying kits made of 16 gauge steel are available for baying the RDU to APC NetShelter enclosures Insulation Kit A kit of insulation is provided to pre vent condensation from internal piping once the piping is installed and connected Optional Features Flange Kit As an alternative to brazing a flange kit is available to provide for more easily disconnecting piping Rack Door Kit This Kit will allow your RDU to look like the APC equipment racks in the adjacent row Flexible Stainless Steel Hoses 914 mm 3 ft and 1828 mm 6 ft flexible stainless steel hoses are available for use in installations where standard piping is impractical or not desired The flexible hoses can be used to connect OAs to the modular piping headers Network Cable Various lengths of network cable are available to ship with your cooling system The network cable is used to interconnect multiple cooling units in a redundant group as well as to con nect the Network Management Card to your LAN Pipe Clamp Kit This kit contains clamps fasteners and insulation needed to mount refrigerant piping on the mount frames
27. the cooling system through a menu based control Functions include status reporting set up and temperature set points Four LEDs report the operational status of the connected cooling system B Controls The ACDA901 shall come equipped with control keys to allow the user to navigate between menus select items and input alpha numeric information C Alarms The microprocessor controller shall activate a visible and audible alarm in the occurrence of the following events 1 Bypass valve actuator fault 2 Condenser inlet temperature sensor fault 3 Condenser outlet pressure sensor fault 4 Condenser outlet temperature sensor fault 5 Condensing temperature high violation 6 Condensing temperature low violation 7 CW valve actuator fault 8 DC power supply 1 fault 9 DC power supply 2 fault 10 Discrete input abnormal 11 Entering fluid temperature high violation 12 Inlet water temperature sensor fault 13 Internal communication fault 14 Low refrigerant level 15 No redundant pump 16 No temperature humidity sensors available 17 Outlet water temperature sensor fault 18 Persistent pumps vapor locked 19 Persistent receiver pumped dry 20 Primary power source failure 21 Secondary power source failure 22 Pump 1 discharge pressure sensor fault 23 Pump 1 fault 24 Pump 1 high head pressure 25 Pump 2 discharge pressure sensor fault 26 Pump 2 fault 27 Pump 2 high head pressure 28 Pumps vapor locked 29 RDU communication fault 30
28. ult Low refrigerant level No redundant pump No temperature humidity sensors available Outlet water temperature sensor fault Persistent pumps vapor locked Persistent receiver pumped dry Primary power source failure Secondary power source failure Pump 1 discharge pressure sensor fault Pump 1 fault Pump 1 high head pressure Pump 2 discharge pressure sensor fault Pump 2 fault Pump 2 high head pressure Pumps vapor locked RDU communication fault Pump outlet temperature sensor fault Receiver pumped dry Refrigerant loss detected Subcooler outlet temperature sensor fault System stop Temperature humidity duplicate CAN address Unit is in maintenance mode Starting conditions not satisfied RDU Technical Data Manual Critical Alarm LED Warning Alarm LED Check Log LED Status LED Liquid Crystal Display LCD Scroll keys Escape key Enter key 000000000 Help key Air filter service interval expired Evaporation temperature below dewpoint Fan 1 door open Fan 1 fault Fan 1 missing or wrong type Fan 2 door open Fan 2 fault Fan 2 missing or wrong type Fan 3 fault RA only Fan 4 fault RA only Fan 5 fault RA only Fan type not configured Group communication fault Liquid inlet pressure sensor fault Liquid temperature sensor fault Primary power source overvoltage Secondary power source overvoltage Rack temperature sensor fault Rack temper
29. units allows them to be easily added in the row as the demand for cooling increases The additional benefit of the row based architecture is the ability to add hot aisle containment Containing the hot aisle further reduces any chance of hot and cold air streams mixing This provides ultimate predictability and allows the cooling capacity to be matched to the IT heat load RDU Technical Data Manual Standard Features Cabinet lll POWDER COATED TOUGH The frame is constructed of 14 gauge formed steel for maximum strength The cabinet is serviceable from the front All exterior panels and corner posts on the frame are powder coated for durability and an attractive finish The front and rear exterior panels are constructed of 18 gauge steel and the side panels are constructed of 20 gauge steel The front panels which include a key latch for safety and security allow easy access and removal All internal pipes are insu lated with 12 7 mm 1 2 in closed cell insulation Heat Exchanger The brazed plate heat exchanger is constructed of 316 stainless steel plates The primary side of the heat exchanger is piped to a chilled water source the secondary side is piped to the CM Redundant Refrigerant Pumps The two factory piped and factory wired pumps are 2N redundant and can automatically adjust the flow of refrig
30. y 3 way Water Control Valves 4 Top or Bottom Power Feed 4 Shutdown Input Alarm Output 4 Selectable Top or Bottom Piping Connections 4 Network Management Card 4 Bay Kit NetShelter SX 4 Insulation Kit 522858 arin 00000 ram ne ra a 4 Optional Features asia ao Flange Kit ai uox QR eve Shave UB eee an RR CR e 5 Rack Door Kit css aaa a ae A ala ee te 5 Flexible Stainless Steel Hoses 5 Network Cable stenen anr unten rr een wee end dn 5 Pipe Clamp Kit 1 2 2 lee p ERI eee ae 5 1 2 And 3 port RDU Piping Kits 5 Microprocessor Controller 6 Microprocessor Controller 6 Contra art ate ate aa aa gana a Neede ee 6 AU CEN 6 LOO GIG EEE 7 Display Interface 7 RDU Technical Data Manual Component Identification Insulation kit saar rr ee Remb sn 11 Optional kills sic sao aga Ja aa EE a es CORR ac a aa a Re RE Rack door kit ACAC21005 12 Flange kit ACAC21006 13 Pipe clamp kit ACAC11005 13 RDU piping kit one port ACAC21000 14 RDU
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