Dell Online Rack UPS (3750W and 4200W) User's Guide - E-pood

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Wall AC Mains Line 2-pole Breaker UPS Neutral Figure 19. Circuit Breaker Diagram To hardwire the UPS input: 1 Switch off utility power at the distribution point where the UPS will be connected. Be absolutely sure there is no power. 2 Remove the terminal block cover (four screws) and retain. Figure 20. Removing the Terminal Block Cover 3 Punch a hole in the terminal block cover for the input conduit using a Greenlee ® punch or similar device. The hole accommodates 3/4” or 1” IMC conduit. 4 Pull the input wire through the conduit, leaving approximately 2 ft (0.5m) of exposed wire. Attach a flexible metal fitting to the end of the conduit. 28 | Installation
5 Insert the conduit through the wiring access entry and attach the conduit fitting to the panel. Strip 0.5” (1.5 cm) of insulation from the end of each incoming wire. 6 Connect the input and ground wires to the terminal block according to Figure 21 and Table 1. Figure 21. UPS Input Terminal Block Table 1. UPS Wiring Specifications Wire Function Terminal Position UPS Wire Function Input 1 Input Ground 2 L2/Neutral In 3 L1 In * Use 5.26 mm 2 (10 AWG) 75C copper wire minimum. Terminal Wire Size Rating* 5.26–16 mm 2 (10–6 AWG) Tightening Torque 2.26 Nm (20 lb in) 7 Replace the terminal block cover. 8 Continue to the following section, “UPS Initial Startup.” UPS Initial Startup To start up the UPS: 1 Verify that the internal batteries are connected. 2 If an optional EBM is installed, verify that the EBM is connected to the UPS. 3 Verify that all load segment circuit breakers are in the ON position. Installation | 29
Page 1 and 2: Dell Online Rack UPS 3750W and 4200
Page 3 and 4: Table of Contents 1 Introduction Fi
Page 5 and 6: 6 UPS Maintenance UPS and Battery C
Page 7 and 8: Providing outstanding performance a
Page 9 and 10: Safety Warnings CAUTION: Before per
Page 11 and 12: WARNING: Additional instructions fo
Page 13 and 14: Unpacking the Cabinet CAUTION: Unpa
Page 15 and 16: Identifying the UPS Rear Panels Thi
Page 17 and 18: Four IEC 320-C19 Receptacles (Load
Page 19 and 20: Pull the battery trays out using th
Page 21 and 22: 6 Slide the cabinet into the rack (
Page 23 and 24: 9 Replace the battery retaining bra
Page 25 and 26: Installing the UPS To install the U
Page 27: NOTE: A separate contact must simul
Page 31 and 32: Operation This chapter contains inf
Page 33 and 34: Control Panel Functions The UPS has
Page 35 and 36: Screen Locked To lock a screen, pre
Page 37 and 38: Table 3. Status Summary Screens (co
Page 39 and 40: Measurements The measurements scree
Page 41 and 42: Identification The identification s
Page 43 and 44: Table 6. Settings (continued) Descr
Page 45 and 46: Table 6. Settings (continued) Descr
Page 47 and 48: Transferring from Bypass to Normal
Page 49 and 50: Configuring Load Segments Load segm
Page 51 and 52: Configuring Automatic on Battery Sh
Page 53 and 54: Running Automatic Battery Tests The
Page 55 and 56: Table 8. RS-232 Communication Port
Page 57 and 58: Dell UPS Management Software Each D
Page 59 and 60: 3 Remove the UPS front cover (see F
Page 61 and 62: Testing Batteries For a battery tes
Page 63 and 64: Table 11. Electrical Input 208V Mod
Page 65 and 66: Table 14. Battery Configuration 370
Page 67 and 68: Event Log Menu From the Event Log m
Page 69 and 70: Table 15. Typical Alarms and Condit
Page 71: Table 15. Typical Alarms and Condit

Dell Online Rack UPS (3750W and 4200W) User's Guide - E-pood

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