Vertiv™ | Liebert® STS2/PDU
™
User Manual | Rev. 6 | 10/2017 3
1.0 UNPACKING AND INSPECTIONS
A high-quality installation begins on the receiving dock. The Liebert STS2/PDU and its packaging should be
inspected when the unit is delivered. If the packaging is not damaged, unpack the unit and conduct an internal
inspection before beginning installation. This section discusses inspecting and unpacking the Liebert
STS2/PDU.
1.1 External Inspections
1. While the Liebert STS2/PDU is still on the truck, inspect the equipment and shipping container(s) for any signs of damage
or mishandling. Do not attempt to install the system if damage is apparent.
2. Upon receipt and before unpacking, inspect the shipping crate for damage or mishandling.
Check the Shock-Watch
™
indicator.
• If the indicator is red, note the condition on shipper’s receipt and check for concealed damage.
• If any shipping damage is observed, file a damage claim with the shipper within 24 hours and contact your local Liebert
representative or Vertiv Services at 1-800-543-2378 to inform them of the damage claim and the condition of the
equipment.
3. Locate the bag containing the keys for the front access door. The bag is attached to the cabinet.
4. Compare the contents of the shipment with the bill of lading. Report any missing items to the carrier and to Vertiv Services
immediately.
5. Check the nameplate on the cabinets to verify that the model numbers correspond with the one specified. Record the
model numbers and serial numbers in the front of this installation manual. A record of this information is necessary should
servicing be required.
6. If unit is to be stored before installation, it is recommended to store the unit in a dry environment with temperatures in the
range of -40 to 176°F (-40 to 80°C). Use original packing materials or other suitable means to keep the unit clean. When
opening the shipping crate, use care not to puncture the container with sharp objects.
1.2 Unloading and Handling
NOTICE
When moving the unit by forklift, lift the unit from the rear so as to protect the front panel.
Also, if moving the unit by forklift or pallet jack after it has been removed from the pallet, be aware of the location of the
casters and stabilizing feet (if the unit is so equipped) so as not to damage them.
Most Liebert STS2/PDU models are contained in one cabinet. The 800 amp units are contained in two cabinets,
shipped on two pallets and connected together in the field.
The unit can be moved by forklift or pallet jack. However, because the weight distribution in the cabinet is
uneven, use extreme care during handling and transporting.
See 1.2.2 - Unit Preparation for instructions on removing the Liebert STS2/PDU from the pallet.
NOTE
Read the entire manual before beginning to install the Liebert STS2/PDU. Upon delivery of the Liebert
STS2/PDU, the installer should perform the following steps to ensure a high-quality installation.
WARNING
Risk of heavy unit falling over. Can cause equipment damage, injury or death.
Locate the center of gravity symbols and determine the unit’s weight
before handling the cabinet.
Do not exceed a 15-degree tilt with the forklift. Read all instructions before attempting to
move the unit, lift it, remove packaging or prepare the unit for installation.
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