APC MXA103 uninterruptible power supply (UPS)
Contents
1. than rated capacity Although the circuit breaker is sized to operate under mod erate to heavy load imbalance conditions it is recommended that the installer attempt to distribute loads evenly between the output wires to eliminate this possibility To do this follow the below listed recommendations Recommendation 1 Where applicable avoid plugging more than one 120 Vac load into any PDU duplex receptacle until all PDU duplex receptacles are loaded with at least one plug Correct Incorrect Isolation Unit Isolation Unit Circuit breaker Circuit breaker 3000VA model 25 A 3000VA model 25 A 5000VA model 30 A 5000VA model 30 A Figure 2 1 Load balancing example Recommendation 2 The PDU receptacles are laid out such that adjacent receptacles are supplied power from different wires To help balance the load between wires plug large loads into adjacent receptacles 1 e instead of every other receptacle 3 Receptadle Reference Chart This chart may be used as a reference when identifying straight blade and twist lock receptacles The MXA series of PDUs does not support all of these receptacle types Note that the charts only show receptacles The mating plugs are seen as the mirror image of these illustrations Straight blade receptacles Twist lock receptacles Figure 3 1 Chart for straight blade and twist lock receptacles 4 Model Reference Chart MXA101 Plug L14 30P Receptacles 5 15R 10 L14 30R 1 MXA12. 02 Plug L6 30P Receptacles L6 20R 4 MXA103 Plug L14 30P Receptacles 5 20R 8 MXA1 04 Plug L6 30P Receptacles L6 30R 4 MXA105 Plug L14 30P Receptacles L5 30R 4 MXA106 Plug L14 30P Receptacles L5 20R 4 MXA107 Plug L6 30P Receptacles 6 15R 4 L6 15R 4 L6 30R 1 MXA108 Plug L14 30P Receptacles L5 15R 6 L14 30R 2 Limited Warranty American Power Conversion APC warrants its products to be free from defects in materials and workmanship for a period of two years from the date of purchase Its obligation under this war ranty is limited to repairing or replacing at its own sole option any such defective products To ob tain service under warranty you must obtain a Returned Material Authorization RMA number from APC or an APC service center Products must be returned to APC or an APC service center with transportation charges prepaid and must be accompanied by a brief description of the prob lem encountered and proof of date and place of purchase This warranty does not apply to equip ment which has been damaged by accident negligence or misapplication or has been altered or modified in any way This warranty applies only to the original purchaser who must have properly registered the product within 10 days of purchase EXCEPT AS PROVIDED HEREIN AMERICAN POWER CONVERSION MAKES NO WARRAN TIES EXPRESS OR IMPLIED INCLUDING WARRANTIES OF MERCHANTABILITY AND FIT NESS FOR A PARTICU
3. Arc AMERICAN POWER CONVERSION Matrix UPS PDU MXA Series Power Distribution Unit User s Manual 1 Installation CAUTIONI The MXA series of external PDUs are intended as an accessory of the APC Matrix UPS product family only It is not intended to be powered from any other source ATTENTION La s rie des produits Matrix UPS d American Power Conversion et exclusivement Ils ne sont pas pr vus pour tre aliment s par toute autre source lectrique The MXA series Power Distribution Unit PDU allows connection of loads using wiring devices not provided on the standard Matrix UPS Isolation Unit MXA series PDUs are equipped with ei ther an L14 30 plug or an L6 30 plug depending on the type of receptacles installed in the PDU and the voltages supported To install the PDU simply plug the PDU s twist lock plug into the appropriate Isolation Unit recep tacle The twist lock plug connector is pushed into the mating receptacle and turned clockwise to lock 2 Recommendations for PDUs with 120 Vac Outputs MXA series PDUs that provide nominal 120 Vac outputs take power from the Isolation Unit s L14 30R receptacle through two output wires protected by a single two pole circuit breaker Because it is possible to plug a disproportionate amount of loads into PDU receptacles fed by only one of the two output wires it is possible to trip the Isolation Unit s L14 30R output circuit breaker even with loads totalling less
4. LAR PURPOSE Some states do not permit limitation or exclusion of im plied warranties therefore the aforesaid limitation s or exclusion s may not apply to the purchaser EXCEPT AS PROVIDED ABOVE IN NO EVENT WILL APC BE LIABLE FOR DIRECT INDI RECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS PRODUCT EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE Spe cifically APC is not liable for any costs such as lost profits or revenue loss of equipment loss of use of equipment loss of software loss of data costs of substitutes claims by third parties or other wise This warranty gives you specific legal rights and you may also have other rights which vary from state to state Customer Service Note Before calling the Customer Service telephone number please have available the PDU s model and serial numbers see bar coded labels Toll free technical support 1 800 800 4272 1 800 702000 United States and Canada Ireland U K 0800 132990 In areas without toll free numbers call 1 401 789 5735 USA or 353 91 702020 Ireland Return shipment addresses American Power Conversion Corporation 132 Fairgrounds Road P O Box 278 West Kingston Rhode Island 02892 USA American Power Conversion Corporation A P C b v Ballybritt Business Park Galway Ireland Entire contents copyright 1993 1995 1996 American Power Conversion APC All rights reserved reproductio
5. n in whole or in part without permission is prohibited Matrix UPS is a trademark of APC All other trademarks are the property of their respective owners Part Number 990 7100 Rev 3 02 96
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