Owners manual
Table Of Contents
- Important Safety Precautions
- Save These Instructions
- Glossary of Symbols
- 1.0 Product Description
- 1.1 Features
- 1.2 Available Models
- 1.3 Appearance and Components
- 1.3.1 Front Panel and Controls
- 1.3.2 Rear Panel Features
- Figure 2 Rear panel components—Liebert GXT4 120V rack/tower, 500, 700, 1000VA model
- Figure 3 Rear panel components—Liebert GXT4 120V rack/tower, 1500VA model
- Figure 4 Rear panel components—Liebert GXT4 120V rack/tower, 2000VA model
- Figure 5 Rear panel components—Liebert GXT4 120V rack/tower, 3000VA model
- Figure 6 Rear panel components—Liebert GXT4 208V rack/tower, 3000VA model
- 1.4 Major Components
- 1.5 Operating Mode
- 2.0 Installation
- 3.0 Operation and Display Panel
- Figure 14 Operation and display panel
- 3.1 LED Indicators
- 3.2 Control Buttons
- 3.3 LCD
- 3.4 Menu Structure
- Figure 15 Menu structure
- 3.4.1 Startup Screen
- 3.4.2 Default Screen
- 3.4.3 Main Menu Screen
- 3.4.4 Prompt List
- 3.4.5 Warning List
- 3.4.6 Fault List
- 4.0 Operation
- 5.0 Communication
- 6.0 Maintenance
- 7.0 Troubleshooting
- 8.0 Battery Cabinet
- 9.0 Specifications
- Table 13 Specifications of GXT4-500RT120 - GXT4-700RT120 and GXT4-1000RT120 models
- Table 14 Specifications of GXT4-1500RT120 - GXT4-3000RT120 and GXT4-3000RT208 models
- Table 15 Battery cabinet specifications
- Table 16 Operating temperature parameters
- Table 17 Battery run times
- 9.1 Product Warranty Registration
- 9.2 Technical Support

Specifications
47 Liebert
®
GXT4
™
Table 17 Battery run times
Number of External
Battery Cabinets
Load Percent
of Capacity
120VAC RT Models
208VAC
RT Model
500VA 700VA 1000VA 1500VA 2000VA 3000VA 3000VA
Internal Battery
10% 128 105 90 123 92 82 92
20% 82 61 37 52 38 38 39
30% 41 37 30 34 23 23 23
40% 38 32 23 23 16 16 16
50% 34 27 17 18 12 12 11
60% 31 22 14 14 9 9 9
70% 27 18 11 11 7 7 7
80% 23 15 9 9 5 5 5
90% 20 13 8 7 4 4 4
100% 17 11 7 6 3 3 3
Internal Battery
+ 1 External
Battery Cabinet
10% 448 426 332 335 303 224 303
20% 329 302 165 162 140 137 139
30% 223 163 137 129 96 95 95
40% 166 144 108 96 66 66 65
50% 153 125 92 72 49 49 48
60% 139 106 74 54 38 41 41
70% 125 94 61 46 33 34 34
80% 108 78 49 38 28 27 27
90% 100 69 40 34 23 23 25
100% 92 60 38 31 20 21 21
Internal Battery
+ 2 External
Battery Cabinets
10% 480 480 456 451 431 427 431
20% 454 433 331 318 207 202 205
30% 429 327 222 187 150 149 149
40% 333 265 166 151 124 124 123
50% 309 201 152 131 97 98 97
60% 225 164 137 107 75 76 75
70% 201 153 122 91 61 62 62
80% 166 142 105 74 50 50 50
90% 159 131 95 64 41 45 46
100% 151 120 79 53 38 41 41
Internal Battery
+ 3 External
Battery Cabinets
10% 480 480 480 480 455 452 455
20% 480 461 441 426 326 323 325
30% 458 438 336 312 197 196 195
40% 442 344 305 198 155 155 154
50% 426 322 209 160 136 136 135
60% 338 300 167 145 111 112 112
70% 322 213 157 130 96 98 98
80% 305 189 146 111 78 79 79
90% 225 163 135 99 68 70 70
100% 209 155 124 83 56 60 60










