NetSure ITM Installation Manual - Gruber Power

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4.4 Making Electrical Connections Electrical Connections ! CAUTION The electrical connections described in this section must be performed by authorized electricians or qualified technical personnel. Follow the NEC and applicable local codes. If you have any difficulties, contact your local Emerson representative or Emerson Services. Before making electrical connections, do the following for each DC UPS module. • Open the front door. For bottom cable installations, remove the lower front panel. For all installations, remove protective panels as required (see 4.2 - Protective Covers). • Ensure the main AC input circuit breaker(s) is in the OFF position. • Ensure all PCU AC input circuit breakers are in the OFF position. • Ensure the three (3) battery disconnect fuses are removed. • Ensure all distribution circuit breakers are in the OFF position or distribution fuses are removed. 4.4.1 Cabinet Grounding Connection The cabinet grounding connection is made to a stud located on the top of the DC UPS module, as shown in Figure 11. A cabinet grounding cable must be connected to this stud, per site requirements. Tighten the connection to the torque indicated in Figure 11. Each module also contains a separate stud located on each side to connect the supplied grounding strap between DC UPS modules, if desired. All modules and cable conduit should be grounded in accordance with the NEC and all applicable local codes. ! WARNING Failure to follow proper grounding procedures can result in electric shock hazard to personnel or the risk of fire, should a ground fault occur. NOTE Proper grounding significantly reduces electromagnetic interference problems in systems. Figure 11 Cabinet Grounding Connection Studs for Connecting Grounding Strap between Modules 5/16” (M8) Studs. Recommended Torque is 204-221 in-lbs (23-25 Nm). Module Cabinet Grounding Stud 3/8” (M10) Stud. Recommended Torque is 407-434 in-lbs (46-49 Nm). Customer supplied conduit fittings Module Top View 4.4.2 DC Output Distribution Connections Connect the DC output distribution cables between the DC UPS module and the loads as required. These connections are made to the output circuit breaker or fuse busbars and the ground/return busbar, as shown in Figure 9 or Figure 10. Refer to Figure 12 for a view of the busbar terminations. Tighten the connections to the torque indicated in Figure 12. ! WARNING If the load equipment will not be ready to accept power on the arrival of the commissioning engineer, then ensure that the system output cables are safely isolated. 22
Electrical Connections Figure 12 DC Output Connections DISTRIBUTION CIRCUIT BREAKERS DC UPS MODULE WITH TOP FEED DC DISTRIBUTION DC UPS MODULE WITH BOTTOM FEED DC DISTRIBUTION 1” DC Output (-48Vdc) (per distribution position) to distribution device busbar 1" 1” DC Output Return (per distribution position) to ground/return busbars 1” Terminals are 3/8” (M10) studs. Recommended Torque is 407-434 in-lbs (46-49 Nm). DC UPS MODULE WITH TOP FEED DC DISTRIBUTION DISTRIBUTION FUSES (optional) DC UPS MODULE WITH BOTTOM FEED DC DISTRIBUTION 1.5” 1 .75" 1 .75" 1.7 5" 1 .75" 1 .75" DC Output (-48Vdc) (per distribution position) to distribution device busbar 1 .75" 1.5” DC Output Return (per distribution position) to ground/return busbars Terminals are 1/2” (M12) studs. Recommended Torque is 690-743 in-lbs (78-84 Nm). 23
Page 1 and 2: NetSure ITM Installation Manual -
Page 3 and 4: TABLE OF CONTENTS IMPORTANT SAFETY
Page 5 and 6: FIGURES Figure 1 Outline Drawing .
Page 7 and 8: IMPORTANT SAFETY INSTRUCTIONS SAVE
Page 9 and 10: ! WARNING The DC UPS module’s int
Page 11 and 12: Inspecting the Equipment and Storin
Page 13 and 14: Installation Drawings and Recommend
Page 15 and 16: Installation Drawings and Recommend
Page 17 and 18: 2.2 Row-Based Installation Example
Page 19 and 20: Positioning the DC UPS System 3.0 P
Page 21 and 22: Positioning the DC UPS System 3.4 C
Page 23 and 24: Positioning the DC UPS System 3.6 F
Page 25 and 26: SUITABLE FOR MOUNTING ON CONCRETE O
Page 27: SUITABLE F O R MO UNT ING O N CO NC
Page 31 and 32: Electrical Connections Figure 13 AC
Page 33 and 34: Electrical Connections Table 3 Prog
Page 35 and 36: IB2 Board DIP Switch Settings (for
Page 37 and 38: 4.4.7 Battery Connections Electrica
Page 39 and 40: SUITABLE F O R MO UNT ING O N CO NC
Page 41 and 42: Electrical Connections exiting the
Page 43 and 44: SUITABLE FO R MO UNTING O N CO NCRE
Page 45 and 46: Electrical Connections Figure 24 Ca
Page 47 and 48: Installing PCUs 5.0 INSTALLING PCUS
Page 49 and 50: Start-Up Instructions Figure 27 Mak
Page 51 and 52: 6.3 Initially Starting and Verifyin
Page 53 and 54: Specifications and Technical Data S
Page 55 and 56: DC Distribution Table 12 OCP Device
Page 57 and 58: 7.5.5 Battery Specifications Table
Page 59 and 60: NetPerform Optimization Services At

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