Installation Sheet
Contents
1. amp Liebert LIEBERT VNSA Installation Sheet Description The Liebert vNSA network switch is designed for connecting multiple Ethernet ready devices and comes in various models iCOM Number of Display available vNSA8 iCOM iCOM vNSA16 e The unit may have an iCOM A mounted on the front as shown at right 1COM models permit interconnecting cooling units that are equipped with 1COM controls allowing the units to communicate and function as a team and facilitating lead lag operation The number of 8 port switches may be EMERSON Network Power FRONT OF vNSA iCOM model shown EMERSON Network Power eer So iCOM display Key lock one or two for a total of 8 or 16 Ethernet ports The example below shows two 8 port switches e All models have a power supply that requires connection as shown below INSIDE VIEW 16 port model shown UPPER SWITCH all models LOWER SWITCH 16 port models only Knockouts for cable access Power supply top and bottom all models Packing Contents The vNSA comes standard with these components iCOM display on front of enclosure COM models only One 8 port switch inside enclosure 8 port models or Two 8 port switches inside enclosure 16 port models Universal power supply and hardwire adapter Keys 2 to panel door lock User manual for vVNSA User manual for industrial rail switch User manual for iCOM GCOM models on2. be installed by a qualified and certified electrician who must review and approve customer supplied wiring and circuit breakers verify correct input and grounded earthed connections to ensure compliance with technical standards and national and local electrical codes NOTE The connector must be unplugged prior to installation A field supplied power cord may be used in place of the hardwire adapter provided Power Supply Wiring Instructions 1 Loosen and remove the screw from the adapter cover Loosen cover screw 2 Remove the cover _ Remove cover 3 Loosen the two screws that secure the wire clamp Remove the screws and the wire clamp Screws 4 Connect the incoming electrical service ground wire to the earth ground terminal inside the enclosure shown below Earth ground terminal te 5 Feed wires including a ground wire from the earth ground terminal in Step 4 through the rubber strain relief into the adapter Note 16 AWG stranded maximum wire size Rubber strain relief Strip insulation to expose 5 8 16mm 7 Loop each wire around the appropriate terminating screw and tighten Each screw is labeled e N Neutral for 120V Line for 220V applications e E Earth ground e L Line Neutral for 120V Line for 220V applications white Earth grounding conductor green Line black 8 Replace the wire clamp and the two screws removed in Step 3 to secure wires 9 Clo
3. ly Factory Connections The vNSA has factory wired connections to simplify installation depending on the model see Figure 1 Models with iCOM display e The upper switch is factory connected to the 1COM display 16 port models e The upper switch is factory connected to the lower switch All models e Proper power connections are factory wired between the 38 pin terminal blocks on each switch Figure 1 Factory wired connections UPPER SWITCH all models Cable connecting upper switch to lower switch 16 port models only Cable connecting upper switch to iCOM display iCOM models only LOWER SWITCH 16 port models only Switches Each switch has eight 10 100 Mbps twisted pair RJ45 ports allowing connection of Ethernet ready devices to available ports The switch supports Ethernet 10 Mbps and Fast Ethernet 100 Mbps using twisted pair RJ45 ports allowing connection of Ethernet ready devices The devices support switched Ethernet networks in accordance with IEEE standard 802 3 Three automatic features autonegotiation autopolarity and autocrossing allow the use of standard network cables CATS or better for connection to each port rather than a special crossover cable The switch detects and makes adjustments for the network s speed and transmission mode polarity and transmit and receive pins Refer to the Industrial Rail Switch user manual for more details Connecting Devices Use CAT5 or better cables
4. rew heads must be small enough to slip through the larger bottom portion of the pear shaped mounting slot in the vNSA see Figure 2 The screws must also be large enough to extend over the edges of the top of the mounting slot 5 Hang the vNSA on the screws letting the panel slip down until the screws are in the smaller upper portion of the slot 6 Tighten the screws until they are snug 7 Insert the remaining two screws in the bottom holes on the back of the panel and tighten Specifications a Ambient Operating Environment 32 F to 140 F 0 C to 60 C 0 to 95 relative humidity non condensing Wiring Specifications Ethernet 10 100 Mbps CAT 5 RJ45 Ethernet cable 328 ft 100m Universal power supply 16 AWG Stranded Contact local electrician 300V Ordering Information VNSA8 iICOM VNSA with iCOM display and 8 ports ST VNSA16 iICOM VNSA with iCOM display and 16 ports wns VNSA with 8 ports C insae vNSA with 16 poris Liebert Corporation 1050 Dearborn Drive Telephone 1 800 877 9222 Liebert P O Box 29186 Facsimile 1 614 841 6022 Ean ERSON Columbus OH 43229 www liebert com er 2006 Liebert Corporation Liebert and the Liebert logo are registered trademarks of All rights reserved throughout the world Specifications subject Liebert Corporation All names referred to are trademarks or to change without notice registered trademarks of their respective owners SL 18840_REVO_09 06
5. se the adapter cover and tighten the screw from Step 1 Enclosure The vNSA enclosure features a key lock for added security The enclosure is made of metal to 14 25 EIS 361 95mm accommodate secure conduit fittings and protect components against environmental debris ene The enclosure is designed for easy wire routing and terminations Access slots for network cables and power wiring are located on both the top and bottom of the enclosure 12 304 8mm The vNSA must be installed indoors The enclosure must be secured to a wall either mounted on the a 3 3 surface of a wall or recessed with the front flush i 84mm against a wall The method of mounting depends on the application the location of equipment to be TOP BOTTOM VIEW monitored and the type of wall the enclosure will be VNSA8 amp vNSA16 models mounted on The vNSA should be mounted where it can be The enclosure is 3 3 84mm deep allowing for recess mounting 1n a wall The enclosure may also be surface mounted The enclosure houses the power supply and one or two 8 port rail switches Some models have an iCOM display mounted on the front of the enclosure FRONT VIEW all models Enclosure Mounting Considerations 7 8 easily accessed 22mm The site must have electrical service and must ee E aoe 4 175 permit routing of network cables to the unit s 106mm RJ45 ports Q Q Q i i Q O O The wall material mu
6. st be capable of supporting TOP BOTTOM VIEW the weight of the vNSA see Specifications on page 8 iCOM models Surface Mounting NOTE Removing the conduit knockouts before mounting the vNSA on the wall will ease installation and prevent strain on the mounting hardware and wall After determining where to place the enclosure check to ensure that you have all the hardware required to install the panel on the surface of a wall Obtain the needed tools and material Required Tools e Electric drill Gf surface is too hard to drive screws without pilot holes e Screwdriver e Marker to denote layout of holes e Four screws each 10 Mounting the Panel YN CAUTION Check building plans and other relevant documents to determine whether mounting the vNSA at the selected location might cause cutting or otherwise damaging electrical or communication wiring or pipes 1 Mark the wall for mounting holes using the back of the unit as a template see Figure 2 Figure 2 Mounting dimensions 0 88 p 12 1 2 22mm 0 213 5mm S Va 10 0 694 254mm 18mm 0 375 e f 10mm 4 25mm Back Plate Detail A inside view 0 213 5mm Mounting Slot two places 2 Drill holes if required to install the four 10 screws that will secure the vNSA to the wall Clean up the debris 3 Ifthe wall material is not strong enough to hold the screws securely use wall anchors 4 Install the top two screws the sc
7. with RJ45 connectors to connect devices to available ports The number of ports available for Ethernet ready devices varies by model as shown in Table 1 Models with the 1COM display use one port for connection to the i1COM display models with two switches use two ports to interconnect the switches Table 1 Number of available ports by model iCOM Total ports used to ports used to Number of Display ports connect to iCOM connect switches available ports vNSA8 iCOM iCOM ena iCOM VNSA8 VNSA16 The maximum number of cooling units that may be connected depends on the vNSA model and the size of the iCOM display in those units as shown in Table 2 Table 2 Number of cooling units that may be connected With Small With Large ICOM Display iCOM Display Refer to the iCOM user manual for additional details on connecting Liebert cooling products Connect Power to the vNSA The vNSA requires AC power 100 240VAC single phase for proper operation A universal power supply 12V 1 5A is installed inside the enclosure with a hard wired connection for 120V or 230V operation WARNING Check that power is removed from wires prior to installation CAUTION The vNSA is designed for use on properly grounded earthed 100 240VAC single phase power 50Hz or 60Hz The ground wire for the power lead must be wired to the earth ground terminal stud located next to the universal power supply This equipment is intended to
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