Figure 3.10 Rigging to lift the unit for installation
3.6 Mounting the Condenser
The condenser must be installed so that it is level within 1/2” (13mm) to ensure proper refrigerant flow. For
roof installation, mount the condenser on suitable curbs or other supports. Follow all local and national
codes.
3.6.1 Standard Mounting Requirements
Secure the legs to the mounting surface using field-supplied 3/8” (9.5mm) diameter Grade 5 bolts with a
flat washer in each of the two 1/2” x 1" (12.7 x 25.4mm) obround holes in each leg. See Figure 2.1 on page18
through Figure 2.4 on page21 for anchor dimensions.
3.6.2 Seismic-Certified and Wind-Certified Mounting Requirements
Mounting requirement details such as anchor brand, type, embedment depth, edge spacing,
anchor-to-anchor spacing, concrete strength, special inspection and attachment to non-building
structures must be outlined and approved by the engineer of record for the project or building.
Structural floors and housekeeping pads must also be designed and approved by the project or building
structural engineer of record to withstand the seismic or wind anchor loads as defined on the installation
drawings. The installing contractor is responsible for the proper installation of all anchors and mounting
hardware, observing the mounting requirements detailed in the seismic or wind installation drawings and
additionally outlined by the engineer of record.
Vertiv | Liebert® MC™ Installer/User Guide | 36
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