Vertiv Liebert XDU 060, Installer/User Manual

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ELECTRICAL FIELD CONNECTIONS
60kW, 600mm (24in.) MODEL
LIEBERT XDU
STANDARD ELECTRICAL CONNECTIONS
1) High voltage connection through bottom of electric panel - 1-3/8” (35mm) & 1-3/4” (45mm) diameter
concentric knockout.
2) Low voltage connection through bottom of electric panel – Quantity (2) 7/8” (22mm) diameter knockouts.
3) High voltage connection through top of unit – 1-3/8” (35mm) & 1-3/4” (45mm) diameter concentric
knockout.
4) Low voltage connection through top of unit – Quantity (4) 7/8” (22mm) diameter knockouts.
5) Three Phase Electrical Service – Connect to terminals on disconnect switch. Three phase service not by
Vertiv.
6) Factory installed locking disconnect switch
7) Earth ground – Terminal for field supplied earth grounding wire.
8) Remote unit shutdown – Replace existing jumper between terminals 37 & 38 with field supplied normally
closed switch having a minimum 75VA, 24VAC rating. Use field supplied Class 1 wiring.
9) Common alarm – On any alarm, normally open dry contact is closed across terminals 75 & 76 for remote
indication. 1 AMP, 24VAC max load. Use Class 1 field supplied wiring.
10) Base-comms cable – ethernet – Cable provided by others for connection to the BMS. No special
considerations are required when using Cat5e/Cat6 for connection between the unit and BMS which is not
greater than 328ft (100m). If the 328ft (100m) must be exceeded, an active component will be required.
For network lengths greater than 328ft (100m) call the Factory.
11) RS485 – Cable provided by other connection to the BMS. No special considerations are required for
connection between the unit and BMS which is not greater than 4000ft (1220m). If the 4000ft (1220m)
must be exceeded, a repeater will be required.
12) Cable must have the following specifications :
Braided shield or foil shield with drain wire.
- Shield must be wired to ground at indoor unit.
- 22-18AWG stranded tinned copper
- Twisted pair (minimum 4 twists per foot)
- Low Capacitance (15pF/FT or less)
- Must be rated to meet local codes and conditions.
- EXAMPLES FOR RS485: BELDEN 89207 (PLENUM RATED), OR ALPHA WIRE 6454
- EXAMPLES FOR CATEGORY 5/6: CATEGORY 5, 5E, 6, OR HIGHER
Do not run in same conduit, raceway, or chase as high voltage wiring