CLCH-SVX07C-EN 13
Pre-Installation Requirements
General Storage
The unit controller and all other electrical/electronic components should be stored in conditions of
-20ºF to 120°F and 5 to 95 percent relative humidity, non-condensing. Electrical components are
not moisture-tolerant. Factory protective coverings should be removed prior to storage.
Long-Term Storage
For longer periods of storage, allow proper clearance around the unit to perform periodic
inspection and maintenance of the equipment.
While the unit is in storage:
• Every two weeks, rotate the fan and motor shaft 30 revolutions by hand. Check for free rotation.
• Every six months, check fan shaft bearings and grease lines. Add grease using a manual grease
gun following the lubrications recommendations in “Fan Bearing Lubrication” on page 123.
• Check the motor lubrication; remove and clean grease plugs and check for the presence of
moisture in the grease. If moisture is present, remove the motor and send it to an authorized
repair shop for bearing inspection/replacement. If no moisture if present, refer to the motor
manufacturer’s lubrication recommendation for proper lubrication.
Outdoor Storage Considerations
Outdoor storage is not recommended for units that will be installed indoors. However, when
outdoor storage is necessary, several things must be done to prevent damage:
Note: Keep the equipment on the original wooden blocks/skid for protection and ease of handling.
• Select a well-drained area, preferably a concrete pad or blacktop surface.
• Place the unit on a dry surface or raised off the ground to assure adequate air circulation
beneath the unit and to assure no portion of the unit will contact standing water at any time.
• Loosen the belt tension on the drive belts.
• Cover the unit securely with a canvas tarp.
• Do not stack units.
• Do not pile other material on the unit.
Preparing the Unit Site
• Ensure the installation site can support the total weight of the unit (see “Unit Dimensions and
Weights” on page 16 for approximate section weights; refer to the unit submittals for actual
weights).
• Allow sufficient space for adequate free air and necessary service access (see “Service
Clearances” on page 16). Refer to submittals for specific minimums.
• Allow room for supply and return piping, ductwork, electrical connections, and coil removal.
• Ensure there is adequate height for condensate drain requirements. See “Drain Pan Trapping”
on page 80.
Note: If unit is installed in a mechanical room on a pad, inadequate height may necessitate core-
drilling the floor to attain proper trap height. Insufficient height could inhibit condensate
drainage and result in flooding the unit and/or equipment room.
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