HEIL FXM4X Installation Instructions Manual page 3

INSTALLATION INSTRUCTIONS
A. UPFLOW INSTALLATION
If return air is to be ducted through a floor, set unit on floor
over opening and use 1/8 to 1/4 inch thick (3 to 6 mm thick)
fireproof resilient gasket between duct, unit, and floor.
Side return is a field option on slope coil models. Cut opening
per dimensions shown in Figure 2. A field−supplied bottom
closure is required.
SLOPE COIL UNITS
MODEL
FEM18, REM18
FXM18, FEM24, FXM24, REM24,
FEM30, REM30, FEM36, REM36
FXM30
Figure 2
FRONT SERVICE CLEARANCE
18 − 48 models = 21" (533 mm)
60 model = 24" (610 mm)
UPFLOW/DOWNFLOW
SECONDARY DRAIN
UPFLOW/DOWNFLOW
PRIMARY DRAIN
UPFLOW/DOWNFLOW
SECONDARY DRAIN
UPFLOW/DOWNFLOW
496 01 5503 02
A
12" (305mm)
17" (432mm)
19" (483mm)
POWER ENTRY
OPTIONS
A−COIL
UNITS
PRIMARY DRAIN
Specifications are subject to change without notice.
Fan Coils: FEM4X, FEM4P, REM4X, FXM4X
B. MODULAR UNITS
FEM4X6000B, REM4X6000B, and FXM4X4800/6000 fan
coils are two−piece modular units. This allows for modular
units to be disassembled and components moved separately
to installation area
accommodates small scuttle holes and limiting entrances to
installation sites (Figure 1).
Upflow Installation
FIELD SUPPLIED
SUPPLY DUCT
LOW VOLT
ENTRY
OPTIONS
1½"
19" (483mm)
FIELD MODIFIED
SIDE RETURN
A
LOCATION FOR
2½" SLOPE COIL
(64mm)
UNITS ONLY
FIELD SUPPLIED
RETURN PLENUM
for reassembly. This process
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