Emerson UPS Systems installation manual Front Section A-A

Page 14

Installation Drawings

Figure 6 Liebert NXL Maintenance Bypass Cabinet—400kVA main component location

INPUT		OUTPUT
PHASE C		PHASE C
INPUT	OUTPUT
PHASE A	PHASE A

INPUT	OUTPUT
PHASE B	OUTPUT	BREAKER REMOVED FOR CLARITY
GROUND	PHASE B	BREAKER REMOVED FOR CLARITY
NEUTRAL

A

BUSBAR DETAIL B

NEUTRAL BUSBAR

LOCATED IN REAR CORNER

FOR ADDITIONAL LANDING SPACE

OPTIONAL
SOLENOID	B
INTERLOCK	B
	MAINTENANCE
MAINTENANCE	BYPASS
ISOLATION	BREAKER
BREAKER	(MBB)

(MIB)

CONTROL WIRING TERMINAL BLOCK (TB1)

A

FRONT

SECTION A-A

10

Image 14

Contents Liebert NXL Maintenance Bypass Cabinet Product Warranty Registration Table of Contents Figures Important Safety Instructions Introduction Positioning Power Cables Power Cable Connection Procedure Single-Module Mechanical Installation Installation Drawings Two-Breaker Maintenance Bypass Cabinet, two-input, attached Busbar Detail B Front Section A-A Bottom View Footprint Bottom View Footprint TOP View BUS BAR Detail a BUS Termination Detail Cable routing Front Run From Conductor Bypass Installation Drawings P1 D T Installation Drawings Control wiring connections without InterlockControl wiring connections with interlock From PurposeSection A-A Cabinet-to-Cabinet Specifications Liebert NXL Maintenance Bypass Cabinet specificationsRecommended conduit and cable sizes-Maintenance Bypass Input Recommended conduit and cable sizes-Load Output Recommended conduit and cable sizes-Module Bypass InputRecommended conduit and cable sizes-Module Output Recommended conduit and cable sizes-Load Bank OutputRecommended lug sizes #4/0 AWGSpecifications Page Ti n Ne tIti That