HEIL FEM4X Installation Instructions Manual page 6

INSTALLATION INSTRUCTIONS
Horizontal Right Conversion of Units With A−Coils
1. Remove blower and coil access panel and fitting
panel (refer to Figure 6).
2. Remove coil mounting screw securing coil assembly
to right side casing flange.
3. Remove coil assembly.
4. Lay fan coil unit on its right side and reinstall coil
assembly with condensate pan down (refer to
Figure 6).
5. Remove horizontal drain pan support bracket from
coil support rail on left side of unit and reinstall on coil
support rail on right side of unit.
6. Convert air−seal assembly for horizontal right (refer
to Figure 6).
a. Remove air−seal assembly from coil by removing 4
screws.
b. Remove coil drip flanges from A−coil and reinstall
on right side of coil (same side as horizontal drain
pan).
c. Remove filler plate (A) and install air splitter (B) in
place of filler plate.
Figure 6
COIL
SUPPORT
RAIL
COIL
BRACKET
DRAIN PAN
SUPPORT
BRACKET
COIL
SUPPORT
RAIL
COIL
BRACKET
HORIZONTAL
DRAIN PAN
PRIAMRY DRAIN
HORIZONTAL RIGHT
SECONDARY DRAIN
HORIZONTAL RIGHT
6
Conversion for Horizontal Right Applications − A−Coil
REFRIGERANT AIR SEAL
CONNECTIONS ASSEMBLY
Specifications are subject to change without notice.
Fan Coils: FEM4X, FEM4P, REM4X
d. Install filler plate (A) as shown in horizontal right
application.
e. Remove condensate troughs (C) and install on
opposite tube sheets.
f. Install hose onto plastic spout.
7. Install horizontal pan on right side of coil assembly.
8. Slide coil assembly into casing. Be sure coil bracket
on each corner of vertical pan engages coil support
rails.
9. Reinstall 2 snap−in clips to correctly position and
secure coil assembly in unit. Be sure clip with large
offsets is used on right side of unit to secure
horizontal pan.
10. Remove 2 oval coil access panel plugs and reinstall
into holes on left side of coil access panel and fitting
panel.
11. Remove insulation knockouts on right side of coil
access panel.
12. Reinstall access fitting panels, aligning holes with
tubing connections
connections. Be sure to reinstall metal clip between
fitting panel and vertical condensate pan.
13. After brazing, make sure liquid and suction tube
grommets are in place to prevent air leaks and
cabinet sweating.
A
B
C
and condensate pan
HORIZONTAL
RIGHT
APPLICATION
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