Supply Tubing
In the case of two-story or split-level applications, supply
t
ubing may run from one story to another. It is small
enough to go in stud spaces, but this is often difficult in
older homes because of hidden obstructions in stud
spaces. It is more common to run the supply tubing from
the attic down through second story closets to the first
s
tory terminators.
Supply tubing runs in the corners of the second story
rooms can be boxed in and are hardly noticeable since
overall diameter is only 3-1/4" (Model Number SPC-25-
100).
Room Terminators
Terminators should be located primarily in the ceiling or
floor for vertical discharge or high on a wall for horizontal
discharge. Installation of horizontally discharged termina-
tors is assisted with the SpacePak 90° wall elbow (see page
16). Two excellent spots for horizontal discharge are in the
soffit area above kitchen cabinets (see Figure 1.4) and in
the top portion of closets (see Figure 1.5).
Terminators should always be out of normal traffic
patterns to prevent discharge air from blowing directly on
occupants. And they should not be located directly above
shelves or large pieces of furniture. Outside wall or corner
locations are recommended if the room has more than
one outside wall. Locating terminators away from interior
doors prevents short cycling of air to the return air box.
SHIPMENT OF UNIT
Each fan coil unit is shipped in a single carton. Packed
with the unit, there are vibration isolation pads, a conden-
sate trap assembly and a factory installed primary float
switch.
Each unit comes from the factory charged with nitrogen.
When the unit is unsealed, a slight “pop” or “hissing”
noise should be heard. This guarentees that the unit is
properly sealed.
FIGURE 1.4: TERMINATOR IN SOFFIT AREA
SUPPLY
TUBING
ROOM
TERMINATOR
FIGURE 1.5: TERMINATOR IN CLOSET TOP AREA
5
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