7
M
INI
-S
PACE
EC I
NSTALLATION
, O
PERATION
AND
M
AINTENANCE
M
ANUAL
NOTE
Placement of the floor or ceiling registers is
important. If they are too close to the unit, the supply
air will be recirculated back to the unit before it has
circulated throughout the space.
See Figure 3. The unit is designed to be located on top of the
fl oor (typically upfl ow) or on a raised fl oor (typically downfl ow).
The Mini-Space EC has a frame and panel construction
for unit rigidity and full service accessibility while the unit is
mounted in place. Ensure the mounting surface is capable of
supporting the weight of the equipment. Before mounting the
unit, refer to the installation drawing for the weight of your unit.
If a fl oor stand is employed, (described in section 2.5.1, “Floor
Stand” refer to the installation drawing provided and cut out
the raised fl oor to match the unit’s overall base dimension.
If a fl oor stand is not selected, use the installation drawing
and cut out the raised fl oor to match the blower discharge
opening and cut out the holes required for piping and wiring
through the raised fl oor.
CAUTION
Ensure the mounting surface can support the
weight of the equipment. On some raised floor
installations a fl oor stand is required, depending on
the load capacity of the existing raised fl oor. Before
mounting the unit, refer to the weight table on the
installation drawing. Equipment must be level to
operate properly.
2.4.1 Outdoor
Equipment
Before installing outdoor equipment, refer to the installation
manual provided with the equipment. Install the equipment
(remote condenser, fl uid cooler, pump package) in a secure
location where it cannot be tampered with and the main
power disconnect switch cannot be inadvertently turned
off. Provide a solid base capable of supporting the weight of
the equipment. Mount the equipment to the base to prevent
it from moving during operation. It is recommended that
outdoor equipment be mounted with vibration isolators to
reduce the vibration transmitted to the mounting surface.
Locate remote condenser/condensing units where the
blower(s) are not likely to draw dirt and debris into the coil
fi ns. There should be at least 24 inches of clearance around
the condenser to ensure adequate airfl ow to the coil.
Install a pump package (if applicable) in accordance with the
installation manual and piping diagram provided with the unit.
The pump should be at least 3 feet below the height of the
expansion tank. Do not form piping loops adjacent to the pump.
Avoid piping very rigid lines.
2.5
Optional Equipment (Field Installed)
NOTE
Do not mount any optional equipment on unit access
doors.
2.5.1
Floor
Stand
Install the optional fl oor stand directly on the sub-fl oor, ensuring
the side with the “FRONT” label is facing the same direction
as the front of the unit (see Figure 4). Refer to the fl oor stand
assembly drawing for the dimensions required to cut the raised
fl oor. The fl oor stand is designed with adjustable feet on all the
legs, allowing for leveling and overall height adjustment. Refer
to the fl oor stand assembly drawing for minimum and maximum
height adjustability of your fl oor stand. To adjust the height, fi rst
loosen the middle nuts on each leg. Next, turn the top hex nuts
to raise or lower the fl oor stand. Once the fl oor stand is level
and even with the raised fl oor, lock all feet in place by tightening
the middle hex nuts against the top hex nuts.
"FRONT" LABEL
THREADED ROD
MIDDLE HEX NUT
TOP HEX NUT
FLOOR STAND LEG
2.5.2 Plenum
Box
Assembly
If an optional 2- or 3-way air distribution plenum box is
purchased it is typically shipped loose. To install a plenum
box, fi rst apply a strip of sealing foam around the top fl ange
of the A/C unit or run a bead of silicone sealant. Place the
plenum assembly on top of the unit (see Figure 6). Attach the
plenum with self-tapping screws (customer supplied). Holes
are pre-drilled in the plenum box. Remove the front grille for
access to the mounting holes.
2.5.3 Remote
Display
An
E²
controller is supplied with the Mini-Space EC system.
As an option, a factory supplied control panel may be remote
mounted. For mounting and wiring instructions, refer to the
system drawings and
E²
controller manual sent in the data
package with your unit.
Figure 4.
Optional Floor Stand Installation