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General Description

5

Figure 2

Rear view (without transformer)

Configurable output

distribution (optional)

Hardwire output 

(standard)

Maintenance bypass 

input (TB1)

UPS output (TB4)

Maintenance bypass

input (TB2)

UPS input (TB3)

Support bracket

Hardwire output

terminal block (TB5)

Summary of Contents for Liebert GXT 10KVA

Page 1: ...POWER AVAILABILITY MAINTENANCE BYPASS CABINET FOR NFINITY GXT 10KVA USER MANUAL ...

Page 2: ......

Page 3: ... 9 4 3 Required Setup Equipment 9 4 4 Site Preparation 9 5 0 UNLOADING 10 5 1 Unloading the Maintenance Bypass Cabinet 10 5 2 Stationary Mounting 11 6 0 CABLE INSTALLATION 12 6 1 Wiring Preparation 12 6 2 Preparing Internal Wiring 12 6 3 Dual Source Configuration 12 6 4 Removing the Cover Plates 14 6 5 Power Cable Installation 14 6 6 REPO Connection 14 6 7 Input and Output Wiring 15 7 0 OPERATION ...

Page 4: ...8 Maintenance Bypass Cabinet without transformer 13 Figure 9 Electrical connections transformer model MBC 16 Figure 10 Electrical connections non transformer model MBC 17 Figure 11 Connecting Nfinity to Maintenance Bypass with transformer 18 Figure 12 Connecting Nfinity to Maintenance Bypass without transformer 19 Figure 13 Connecting Maintenance Bypass to GXT10000T 208X 20 Figure 14 Connecting Ma...

Page 5: ...onal and local electrical codes Installation instructions and warning notices are located in the Installation section of this manual Operate the UPS equipment in an indoor environment only in an ambient temperature range of 32 F to 104 F 0 C to 40 C Install it in a clean environment free from conductive contaminants mois ture flammable liquids gases or corrosive substances Never block or insert an...

Page 6: ...LOSSARY OF SYMBOLS Risk of Electrical Shock Indicates Warning or Caution Followed by Important Instructions AC Input AC Output Requests the user to consult the manual Equipment Grounding Conductor ON OFF i ...

Page 7: ...finity UPS Typical applications include supporting workstations servers network telecom or other sensitive electronic equipment The Nfinity Maintenance Bypass Cabinet was designed to provide maximum system availability to business critical equipment The Nfinity Maintenance Bypass Cabinet allows for transfer of con nected loads to an alternate power path allowing full isolation of the UPS The UPS c...

Page 8: ... 1 Front view Bypass availability indicator amber Cooling fans transformer models only UPS input power present amber UPS output availability indicator green Bypass switch SW1 UPS input switch SW2 Support bracket Output breaker CB1 ...

Page 9: ...ear view without transformer Configurable output distribution optional Hardwire output standard Maintenance bypass input TB1 UPS output TB4 Maintenance bypass input TB2 UPS input TB3 Support bracket Hardwire output terminal block TB5 ...

Page 10: ...re 3 Rear view with transformer Hardwire output terminal block TB6 Configurable output distribution optional Hardwire output standard Maintenance bypass input TB1 TB2 UPS output TB5 UPS input TB3 Tap selector TB4 Support bracket ...

Page 11: ...rnate path for power to the connected equipment Should the UPS need to be taken out of service for limited maintenance or repair manual activation of the bypass will cause an immediate transfer of the equip ment from the UPS inverter to the bypass source The amber lamp illuminated in the Maintenance Bypass Switch compartment indicates bypass is available In this mode of operation the load is NOT p...

Page 12: ...ormer are designed to accept the same input voltage as the UPS and provide 240 208 120 120 output Models with transformers are provided with redundant cooling fans and user serviceable fan filters The fans operate only when the system is in Bypass mode Table 1 Common receptacle and hardwire options 15 Amp Options 20 Amp Options 30 Amp Options 5 15R2 5 20R2 T slot L5 30R L5 15R2 L5 20R L6 30R 208 6...

Page 13: ...elow are required in order to properly setup your maintenance bypass cabinet pallet jack 1 2 13 mm wrench torque wrench flat head screwdriver 2 Phillips screwdriver 3 16 5 mm Allen wrench 4 4 Site Preparation When deciding where to locate your Maintenance Bypass Cabinet consider the weight and size of the unit Make sure that the structural integrity of the floor can withstand the weight Refer to t...

Page 14: ...rtation of the Maintenance Bypass Cabinet or for securing the cabinet to the floor 3 Remove the metal ramp from the bottom of the pallet rotating it 180 Fit ramp onto opposite side of pallet in slot as shown below 4 Using two people slowly roll the Maintenance Bypass Cabinet down the ramp until the Maintenance Bypass Cabinet is on a level surface see below left 5 Once the Maintenance Bypass Cabine...

Page 15: ... used in shipping to the floor For greater stability use a higher grade bolt Refer to the dimensions below when drilling holes for stationary mounting Mounting bracket on rear of unit 4 3 4 120 mm 28 711 mm 5 16 8mm diameter 6 places 4 3 4 120 mm Top View of Maintenance Bypass Cabinet Centerline of Unit ...

Page 16: ...ss Cabinet s wiring must be modified 6 3 Dual Source Configuration Modifying the wiring consists of removing the jumpers between TB1 and TB2 as described below 1 Remove cover plates 2 Identify TB1 and TB2 3 Using a 3 16 Allen wrench loosen terminal mounting jumpers between TB1 and TB2 4 Remove jumpers and retighten terminals to 50 in lb 5 Connect primary source to TB2 and secondary source to TB1 F...

Page 17: ...ransformer TB4 208 240V Tap Selector UPS Input UPS Output Output SW1 Bypass Switch CB1 Output Breaker TB5 TB2 TB3 TB6 Input 1 Input 2 TB1 Single input jumper remove for dual input feeds Input 2 SW2 UPS Input Switch UPS Input UPS Output Output SW1 Bypass Switch CB1 Output Breaker TB4 TB2 TB3 TB5 Input 1 TB1 Single input jumper remove for dual input feeds ...

Page 18: ...ut Terminal Details Max 2 0 70 mm2 Min 6 AWG 16 mm2 NOTES If an output transformer is fitted the Nfinity Maintenance Bypass has a five cycle inrush current that is 10 times the rated output current This must be taken into account when selecting the overload protection device at the AC input supply distribution point To avoid random tripping on start up it is recommended that the AC input supply be...

Page 19: ... Input wiring must be installed using conduit 208 input voltage jumper if only the connections for 208 VAC are made between the UPS and theNfinity Maintenance Bypass the 208 input voltage jumper must be installed for proper operation To install this jumper place the jumper wire provided in the accessory kit between Pin 1 and Pin 2 on TB4 NOTE The Nfinity UPS and Maintenance Bypass with transformer...

Page 20: ... Value 120 in lbs GEC Grounding Electrode Conductor Wire Connection Torque Value 120 in lbs TB1 TB2 Maintenance Bypass Terminal Blocks Wire Connection Torque Value 50 in lbs TB4 Tap Selector Terminal Block Wire Connection Torque Value 28 in lbs TB5 UPS Output Terminal Block Wire Connection Torque Value 28 in lbs TB3 UPS Input Terminal Block Wire Connection Torque Value 50 in lbs TB6 Hardwire Outpu...

Page 21: ...bs Common Ground Wire Connection Torque Value 120 in lbs TB4 UPS Output Terminal Block Wire Connection Torque Value 28 in lbs TB3 UPS Input Terminal Block Wire Connection Torque Value 28 in lbs TB5 Hardwire Output Terminal Block Wire Connection Torque Value 35 in lbs Wire Connection Torque Value 120 in lbs TB2 Maintenance Bypass Terminal Block Wire Connection Torque Value 50 in lbs TB1 Maintenance...

Page 22: ...be made to TB2 The jumpers between TB1 and TB2 must be removed 3 If connected equipment is a combination of 208 VAC and 120 VAC use a three phase panel board connected to the output terminal TB6 G TB1 TB2 G TB3 TB4 1 2 3 TB5 TB6 L1 L2 L1 L2 L1 L2 G 1 2 3 4 1 2 3 4 120 208 240 120 L1 L2 G 1 2 3 1 2 3 4 5 GEC TB3 TB2 TB1 Flexible conduit 208 240 NFINITY UPS NFINITY MAINTENANCE BYPASS CABINET WITH TR...

Page 23: ...ion must be made to TB2 The jumpers between TB1 and TB2 must be removed 3 If connected equipment is a combination of 208 VAC and 120 VAC use a three phase panel board connected to the output terminal TB5 G TB1 TB2 G TB3 TB4 TB5 L1 L2 L1 L2 L1 L2 G 1 2 3 4 1 2 3 4 120 208 240 120 L1 L2 G 1 2 3 1 2 3 4 5 GEC TB3 TB2 TB1 Flexible conduit NFINITY UPS NFINITY MAINTENANCE BYPASS CABINET WITHOUT TRANSFOR...

Page 24: ...nnection must be made to TB1 and the bypass input supply connection must be made to TB2 The jumpers between TB1 and TB2 must be removed 3 If connected equipment is a combination of 208 VAC and 120 VAC use a three phase panel board connected to the output terminal TB5 TB4 TB2 TB1 TB3 TB5 G G G G G G 1 1 2 3 4 2 3 4 L1 L2 L1 L2 N N Input Output External Battery GXT10000T 208X NFINITY MAINTENANCE BYP...

Page 25: ...from a dual source the UPS input supply connection must be made to TB1 and the bypass input supply connection must be made to TB2 The jumpers between TB1 and TB2 must be removed TB4 TB2 TB1 TB3 TB5 G G G G G G 1 1 2 3 4 4 L1 L2 L1 L2 N N Input Output External Battery GXT10000T 240X L1 L2 L1 L2 L1 L2 NFINITY MAINTENANCE BYPASS CABINET WITHOUT TRANSFORMER N 240V 120V 120V 3 2 GEC Remove these three ...

Page 26: ... CB1 on the UPS 4 Open the UPS Source switch SW2 on the Maintenance Bypass Cabinet 5 Open the output circuit breaker CB1 on the Maintenance Bypass Cabinet 7 3 Transferring the System from UPS to Maintenance Bypass Operation 1 Verify that the amber Bypass lamp is illuminated 2 Turn the Bypass Switch SW1 to the bypass position on the Maintenance Bypass Cabinet The connected equipment is now powered ...

Page 27: ...s not obstructed Liebert recommends performing the following maintenance annually Verify all power connections Verify that all output distribution modules are operating properly 8 2 1 Replacing Fan Filters Transformer Models Only The Maintenance Bypass Cabinet intake fans contain filters that will need to be replaced or cleaned periodically depending on the surrounding environment Check by noting ...

Page 28: ...Weight lb kg 287 130 transformer model 85 39 transformerless model Environmental Operating Temperature max F C 32º 104º 0º 40º Relative Humidity 0 95 non condensing Maximum Operating Altitude Ft M 10 000 3000 Input Data Nominal Input Voltage VAC 208 or 240 Input Frequency nominal Hz 60 Input Frequency Range Hz 55 65 Output Data 208 240 240 208 Output Voltage VAC 120 120 208 240 120 120 240 120 120...

Page 29: ...Specifications 25 NOTES ...

Page 30: ...Specifications 26 ...

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Page 32: ...or damages resulting from use of this information or for any errors or omissions 2005 Liebert Corporation All rights reserved throughout the world Specifications subject to change without notice Liebert and the Liebert logo are registered trademarks of Liebert Corporation All names referred to are trademarks or registered trademarks of their respective owners SL 23960 4 05 Rev 4 Technical Support ...

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