Page 3
SL18XC1 SERIES
INSTALL UNIT AWAY
FROM WINDOWS
TWO 90_ ELBOWS INSTALLED IN LINE SET
WILL REDUCE LINE SET VIBRATION
PLACEMENT
FIGURE 2
Install unit level or, if on a slope, maintain slope tolerance of 2
degrees (or 2 inches per 5 feet [50 mm per 1.5 m]) away from
building structure.
GROUND LEVEL
MOUNTING
SLAB
BUILDING
STRUCTURE
DISCHARGE AIR
SLAB MOUNTING
FIGURE 3
LEG DETAIL
BASE
2” (50.8MM) SCH 40
FEMALE THREADED
ADAPTER
ELEVATED SLAB MOUNTING USING FEET
EXTENDERS
2” (50.8MM)
SCH 40 MALE
THREADED
ADAPTER
Use additional 2” SCH 40 male
threaded adapters which can
be threaded into the female
threaded adapters to make
additional adjustments to the
level of the unit.
FIGURE 4
Unit Stabilizer Bracket (field-provided):
Always use stabilizers when unit is raised above
the factory height.
(Elevated units could become unstable in gusty
wind conditions.)
Stabilizers may be used on any unit installed on
unstable and uneven surfaces.
Concrete slab — use two
plastic anchors (hole drill 1/4”)
COIL
BASE PAN
CORNER POST
STABILIZING BRACKET
(18 GAUGE METAL — 2”
WIDTH; HEIGHT AS
REQUIRED)
#10 X 1/2” LONG
SELF-DRILLING
SHEET METAL
SCREWS
#10 X 1-1/4” LONG
HEX HD SCREW AND
FLAT WASHER
STABILIZING UNIT ON UNEVEN SURFACES
IMPORTANT !
Slab Mounting
Deck Top Mounting
Stabilizing bracket - 18 gauge metal.
2” (50.8mm) width; height as required.
Bent to form right angle as shown.
SAME FASTENERS AS
SLAB SIDE MOUNTING.
MINIMUM ONE
PER SIDE
FOR EXTRA
STABILITY
Install one bracket per side (minimum). For extra stability, install
two brackets per side, two inches (51mm) from each corner.
FIGURE 5
STEP 2 -- ELECTRICAL -- Circuit Sizing
and Wire Routing
In the U.S.A., wiring must conform with current local codes
and the current National Electric Code (NEC). In Canada,
wiring must conform with current local codes and the current
Canadian Electrical Code (CEC).
Refer to the furnace or air handler installation instructions
for additional wiring application diagrams and refer to unit
nameplate for minimum circuit ampacity and maximum
overcurrent protection size.
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