Installation

2.0INSTALLATION

2.1Preparation

2.1.1Room Preparation

The room should be well-insulated and should be sealed to reduce airborne contaminants from pene- trating the site. Outside air may be introduced through the damper option or be used for economized cooling by using the Economizer option. However, uncontrolled outside air should be kept to a mini- mum. Outside air adds to the cooling, heating, and filtration loads of the site. Doors should be prop- erly sealed to minimize leaks and should not contain grilles.

2.1.2Location Considerations

The InteleCool2 unit is field-mounted on an outside wall. Additional framing in the wall may be required to ensure adequate structural support.

The outdoor area near the condenser supply and discharge must also be considered. To assure ade- quate air supply, the unit should be mounted in a clean area, away from loose dirt and foreign matter that may clog the condenser coil. The unit should not be located near steam, hot air, or fume exhausts. Also, the unit should not be mounted closer than 12 feet (3.7 m) from an opposing wall, obstruction or unit. For service clearance, provide 36 inches (914 mm) in front of the unit, and 30 inches (762 mm) on each side. When mounting units side by side, provide a minimum of 36 inches (914 mm) between adja- cent units unless the adjacent units will not be run at the same time. In this case, the units may be placed as close as 18 inches (457 mm) apart. However, this will make the units more difficult to service. In such situations, consider the compressor location option for improved serviceability. Before mount- ing units, check local codes for applicable clearances.

2.1.3Equipment Inspection

Upon delivery of the unit, inspect all items for visible damage. Concealed damage may be discovered later during installation. Report any damage to the shipper immediately and file a damage claim. Also, forward a copy of the damage claim to your Liebert supplier.

2.2Unit Installation

The InteleCool2 unit is installed against, and through, an outside wall. Two (2) openings in the wall are required for the evaporator supply and return. Provide 1/2" clearance on wall openings for supply and return air. Install the unit in a level position to assure proper refrigerant flow, oil return, and condensate drain. To install the unit, follow the instructions below.

1.Verify that an adequate structural support is provided for the unit.

2.Using a chalk line, mark the outside wall with a level horizontal line, where the bottom of the unit is to rest.

3.Prepare supply and return openings in an outside wall, measuring up from the chalk base line.

4.Prepare mounting holes. The mounting holes may be pilot holes for lag screws or clearance holes for bolts that will extend completely through the wall. Refer to Figure 1 for the location of these holes.

5.Fasten the unit mounting base angle to the outside wall with six 5/16" bolts or lag screws (not supplied), just below chalk line and centered on the opening in the wall.

! WARNING

Use caution and adequate equipment to safely handle unit. Weight of each unit ranges from 330 to 490 lbs. (150 to 222 kg), depending on model.

6.With the unit front panel removed, lift the unit onto the base angle, making certain that the rear unit angle falls behind the turned up front edge of the mounting angle. Insert top and side unit fasteners in holes and tighten, drawing the unit into place. Do not attach ducts to unit prior to installing unit.

7.Caulk and flash the top and sides as required to form a watertight seal. Top flashing (not factory supplied) is recommended to ensure that water does not run behind unit. All unit tops are sloped to allow water to run off.

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Emerson 2 user manual Unit Installation, Room Preparation, Location Considerations, Equipment Inspection

2 specifications

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