Carrier 48JCH 04-06 Series Service And Maintenance Instructions page 9

Two-Row Condenser Coils
Clean coil as follows:
1. Turn off unit power, tag disconnect.
2. Remove all screws from the top panel except the screws
securing the condenser fan to the top panel (see Fig. 13).
Top Panel
Remove screws
from all sides
of top panel
Center
Post
Compressor
Access Panel
Condenser Coil
Corner Post
Fig. 13 — Location of Screws and Coil Corner Post
3. Lift and rotate the top panel at the condenser fan end and
rotate the panel 90 degrees. Support the top panel so it
remains level while resting on the condenser fan as shown
in Fig. 14.
Compressor
Access
Panel
Fig. 14 — Top Panel Position
4. Remove the compressor access panel to access the lower coil
clip. The condenser coil corner post may also be removed.
5. Remove the screws from both sides of the upper and lower
coil retaining clips on the hairpin end of the coil tube
sheets (see Fig. 15).
6. Remove the upper and lower retaining clips.
Remove
Screws
Condenser
Fan
Condenser
Coil
Top Panel
Support
(Field-
Supplied)
Center
Baffle
Coil Clips
Fig. 15 — Condenser Coil Clips
7. Draw the inner coil inward to separate the coils for cleaning.
8. Insert a spacer (field-supplied) between the tube sheets to
hold the coils apart (see Fig. 16).
9. Clean the outer coil surface to remove surface loaded fibers
or dirt. See "Remove Surface Loaded Fibers" on page 8 for
details.
10. Use a water hose or other suitable equipment to flush
down between the 2 coil sections to remove dirt and
debris. If a coil cleaner is used be sure to rinse the coils
completely before reassembly.
11. Move the inner coil back into position. Reinstall the lower
and upper coil clips. Reinstall the top panel and replace all
screws.
Top View
Hairpin
End
4" max.
(102 mm)
Center Baffle
Fig. 16 — Separating Coil Sections
9
Condenser
Spacer
(Field-Supplied)
Coil
Inner
Coil
Section
Outer
Coil
Section