Carrier FX4D Series Installation Instructions Manual page 3

FX4D: Installation Instructions
9. Make sure liquid and suction tube grommets are in place to prevent
air leaks and cabinet sweating. Install grommets after brazing.
Horizontal Right Conversion of Units with A-Coils
1. Remove blower and coil access panels. (See Fig. 6.)
2. Remove metal clip securing fitting panel to condensate pan.
Remove fitting panel.
3. Remove 2 snap-in clips securing A-coil in unit.
4. Slide coil and pan assembly out of unit.
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. (See Fig. 7.)
6. Convert air seal assembly for horizontal right.
a. Remove air seal assembly from coil by removing 4 screws. (See
Fig. 6)
b. Remove air splitter (B) from coil seal assembly by removing 3
screws. (See Fig. 6 inset)
c. Remove filler plate (A) and install air splitter (B) in place of filler
plate.
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.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
UNIT
LOW VOLT
ENTRY
OPTIONS
POWER
ENTRY OPTIONS
Fig. 3 – Slope Coil in Horizontal Left Application (Factory Configuration)
A
FACTORY SHIPPED
HORIZONTAL LEFT
APPLICATION
B
C
HORIZONTAL
DRAIN PAN
Fig. 4 – A-Coil in Horizontal Left Application (Factory Configuration)
A-COIL
HORIZONTAL LEFT
SECONDARY
FIELD
DRAIN
SUPPLIED
HANGING
STRAPS
PRIMARY
DRAIN
SECONDARY
DRAIN
AIR SEAL
ASSEMBLY
REFRIGERANT
CONNECTIONS
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 offset is used on right side
of unit to secure horizontal pan.
10. Remove two oval fitting caps from left side of the coil, access
panel, and fitting panel.
11. Remove insulation knockouts on right side of coil access panel.
12. Remove 2 oval coil access panel plugs and reinstall into holes on
left side of coil access panel and fitting panel.
13. Install condensate pan fitting caps (from Step 10) in right side of
coil door making sure that cap snaps and seats cleanly on back side
of the coil door. Make sure no insulation interferes with seating of
cap.
14. Reinstall access and fitting panels, aligning holes with tubing
connections and condensate pan connections. Be sure to reinstall
metal clip between fitting panel and vertical condensate pan.
15. Make sure liquid and suction tube grommets are in place to prevent
air leaks and cabinet sweating.
3
PRIMARY
DRAIN
018-048 21" (533 mm)
060-060 24" (610 mm)
FRONT SERVICE
CLEARANCE
(FULL FACE
OF UNIT)
1.75" (44 mm)
FILTER ACCESS
CLEARANCE
COIL
BRACKET
COIL
SUPPORT
RAIL
DRAIN PAN
SUPPORT
BRACKET
COIL
BRACKET
PRIMARY DRAIN
HORIZONTAL LEFT
SECONDARY DRAIN
HORIZONTAL LEFT
A07566
A00072A