HEIL FEM4X - Page 4

INSTALLATION INSTRUCTIONS Fan Coils: FEM4X, FEM4P, REM4X
4 496 01 5503 00
Specifications are subject to change without notice.
C. DOWNFLOW INSTALLATION
!
CAUTION
PRODUCT OR PROPERTY DAMAGE HAZARD
Failure to follow this caution may result in product or
property damage.
The conversion of the fan coil to downflow requires
special procedures for the condensate drains on both
A−coil and Slope−coil units. The vertical drains have an
overflow hole between the primary and secondary drain
holes. This hole is plugged for all applications except
downflow, and must be used for downflow.
Failure to follow instructions could result in personal injury
or product and property damage.
! WARNING
STRUCTURAL DAMAGE
Failure to follow this warning could result in personal
injury or death, or property damage.
Combustible floor base is required when installing in a
downflow application with electric heat strips.
Structural damage could occur if manufacturer’s
downflow base accessory kit is not use when installing
in a downflow application.
In this application, field conversion of the evaporator coil is
required using accessory Downflow Kit along with an
accessory Base Kit. Set unit on floor over opening and use
1/8” to 1/4” thick fireproof resilient gasket between duct, unit,
and floor. Refer to installation instructions packaged with
accessory kit. See Product Specification literature for kit
part numbers.
During the conversion process, remove the plastic cap
covering the vertical drains only and discard.
Remove the plug from the overflow hole and discard.
At completion of the downflow installation, caulk around the
vertical pan fitting to door joint to retain low air leak
performance of the unit.
NOTE: Gasket kit number (EBAC01GSK) is also required
for all downflow applications to maintain low air leak/low
sweat performance.
D. HORIZONTAL INSTALLATION
Unit must NOT be installed with access panels facing up or
down. Access panels must only face to the side.
FEM4X, FEM4P, and REM4X models are factory built for
horizontal left installation (refer to Figure 3 and Figure 4).
They can be field converted to horizontal right (accessory
Gasket Kit required, see Product Specification literature for
part number). Refer to Figure 5 and Figure 6.
NOTE: When suspending unit from ceiling, dimples in
casing indicate suitable location of screws for mounting
metal support straps (refer to Figure 3).
NOTE: For optimum condensate drainage performance in
horizontal installations, unit should be leveled along its
length and width.
Figure 3
Slope Coil In Horizontal Left Application (FEM4X, FEM4P, REM4X factory configuration)
FRONT SERVICE CLEARANCE
(FULL FACE OF UNIT)
18 − 48 models = 21” (533mm)
60 model = 24” (610mm)
FIELD
SUPPLIED
HANGING
STRAPS
LOW VOLT
ENTRY
OPTIONS
POWER
ENTRY
OPTIONS
SECONDARY
DRAIN
SECONDARY
DRAIN
A−COIL
HORIZONTAL LEFT
PRIMARY
DRAIN
1¾” (45mm)
FILTER ACCESS
CLEARANCE
PRIMARY
DRAIN