Cable Access | Liebert UPS System guide

Chapter 2 Cabinet Installation

	Figure 2-7 Install the UPS on a support rack
1.	Finished state	2.	Concrete floor
3.	Nut	4.	Spring washer
5.	Flat washer	6.	Supporting frame

2.6 Cable Access

The UPS has various methods of cable access. One is bottom access where the cables are routed in conduit from the bottom of the UPS. This is shown in Figure 2- 8.

Another is top access where the cables are routed on cable trays from the top and into the UPS as shown in Figures 2-9.

Cabinet	Cabinet

	Battery	Signal cables	Battery	Bypass input		Signal cables
		input N UPS output
	cables		cables	input N	UPS output
		output N
			Rectifier

input	output N

Fig. 2-8 UPS input/output cables

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Image 24

Liebert UPS System user manual Cable Access, Install the UPS on a support rack

Contents

Liebert iTRUST UPS System Page Contents Page Error! Bookmark not defined Page Configuration Basics Operation Theory Main circuit of UPS Structure and Layout Components of 20/30kVA UPS Normal mode Operation Modes Battery Mode Bypass Mode ECO Mode Maintenance Mode United Power Mode Parallel Operation modeDual Input Mode Specifications Basic FunctionsFunctional Parameters Parameters of Liebert iTrust UPS are given in -1 LCD+LED Electrical Parameters Page Dimensions Environmental ConditionsUnpacking Fixing holes 40/60kVA UPS Outline Dimension Transportation Positioning of UPSHoisting the UPS Transportatio with Forklift Fixed position without a base Fixed cabinet position on a base Cable Access Install the UPS on a support rack Ventilation UPS top cable output One UPS cabinet and one battery cabinet One UPS cabinet and several battery cabinetsLayout of Cabinet 12 Layout Page Selection of power cables Calculation of current of power cablesSelection of cables Current carrying capacity of cables Selection of signal cables Power cablesCable connections Cabling layout Cable routing 20/30kVA UPS bottom cable output Cable connection Power cable connection of One branch utility source Signal cable Routing the signal cableEarthing Method Layout of signal cables of 20/30/40/60kVA UPS Connection method RS232 Serial Port Connection of modem Connection of input and output voltage free contacts 12 RS485 Port BLV-C Connector Name of contacts Board name Input/output Battery Temperature detection cable Connection of Single UPS SystemPage Startup Procedure Explanation of Circuit BreakersStartup Setting the functions Function Setup Menu UL33-0400L 125030 Inv. On Units Out Functional checks Modem RS232 Switching between operation mode Check the function of the display panel Commissioning of UPS Display panel Layout of Display Panel LED Indication Function Dividing Functional Keys Alarm Buzzer LCD and Menu KeysMenu key LCD UL33-0400L 123020 Displayed information Opening displayMain Menu Display UPS Basic Information Menu Keys Display Window Display Menu Information of main menu Shift keyF1 display UL33-0400L Local Batt. Temp. C 23.2 System Batt. Boost Charging Chinese Function Setup Language setup Address setup Time setup UL33-0400L 125030 Inv. On Units Out 27 Setup the date Manual battery self-test 29 Setup the date Contrast adjustment History log Background communication setup 33 History log Call-back number setup Modem RS232 Battery low 39 Call-back number setup Prompt window 12.5 UL33-0400L 123020 Inv. On Units Mains Power Events and State Information 44 Load capacity exceed that of single module UPS system UPS Events UPS states State Reason Setup procedures Start upStart from utility Shutdown in normal mode Shutdown in bypass modeShutdown in battery mode Shutdown in ECO mode Emergency shutdown and recovery Shutdown in United powering modeTransferring between operation modes Fault clear Mute Monitoring system Monitoring single UPS Monitoring parallel operation system Input and output contacts Output dry contactInput contacts Maintenance Temperature measuringDaily maintenance Daily checking Weekly checking Annual checking Battery maintenance Battery storageOther checking Manual battery self-test Auto battery self test Shutdown maintenance UPS system troubleshooting LED indicatorProcedures Basics Buzzer alarm LED indicator of lightning protection device LCD indication for fault information No.1 Fault description Reason Actions to be taken No.1 Fault description Reason Actions to be taken UPS Features of parallel systems System IntroductionConditions for parallel operation Theory of Operation Parallel System consisting of two unitsParalleling for Redundancy of more than two units Paralleling for Capacity Expansion Series Hot-Standby parallel system Series backup mode Operation modes Installation Cabinet installationParallel operation system with two UPS units Parallel operation system with multi UPS units Electrical installation Power cablesSignal cables External Power Distribution Start up of Parallel Operation System Using the Parallel Operation System Switch on the Parallel System Start from battery Shutdown the Parallel Operation System Shutdown in united operation mode Normal mode to battery mode Repairing the failed UPS unit in parallel operation system Normal mode to bypass modeBypass mode to normal mode Battery mode to normal mode Emergency shutdown Fault and Fault Process Methods UPS Battery Capacity selection Battery cabinet External Dimensions Installation of battery cabinet Wiring of the batteries Battery layout inside battery cabinet 105 Technical features Snmp Card and the SoftwareProduct structure and ports Network Software Modem Temperature sensor TMP12Z Level C Lightning Protection System SPD24Z Installation procedures of SPD24Z Introduction of SPD24Z User Using and Maintenance MaintenanceBypass Isolation Transformer Ambient condition Service after Sales Abnormal Fault Handling Service after Sales Chapter Service after Sales Warranty