Carrier AERO 39MN Installation, Start-Up And Service Instructions Manual page 134

4. Remove the fastening screws of the uppermost coil from
the upstream side. Note that the fastening screws pass
through the vertical angle, baffles, and coil casing. See
Fig. 125. Removal of the fastening screws may require
reaching through an opened damper assembly, reaching
through a filter track after filters are removed, or remov-
ing a coil immediately upstream.
CAUTION
Do not handle the coil by the headers or connection nip-
ples, as irreparable damage might occur that is NOT cov-
ered by warranty. Protect the finned surface from damage
during all handling and shipping.
5. Slip the foam sealing sleeves off the connection nipples
before removing the coil and set the sleeves aside.
6. The upper coil may now be hoisted out through the top
opening, or carefully slid out either side of the cabinet.
Sections where the top frame rail cannot be removed
may require slightly tipping of the coil from the vertical
position, to clear the upper frame rail and seal.
7. On the upstream side of the stacked coils, remove and
set aside the center baffle spanning the two coils (see
Fig. 125).
8. For sections that do not have a drain pan (heating only
sections), remove the three hat channel spacer supports
fastened to the top of the lower coil, and set aside.
BAFFLE, HEADER
CHANNEL, HAT
PAN, CONDENSATE
CENTERED WITHIN SECTION
9. For sections that do have a drain pan, remove the two
10. Remove the intermediate condensate drain pan.
11. Remove the spacer (hat channel) secured to the top cen-
12. Remove the fastening screws of the lowermost coil from
Do not handle the coil by the headers or connection nip-
ples, as irreparable damage might occur that is NOT cov-
ered by warranty. Protect the finned surface from damage
during all handling and shipping.
13. Slip the foam sealing sleeves off the connection nipples
14. The lower coil may now be hoisted out through the top
BAFFLE, TOP
CHANNEL, HAT
BAFFLE, CENTER
Fig. 125 — Coil Frames and Baffle
133
hat channel spacer supports from the bottom of the coil
section and set aside.
ter of the lower coil casing (see Fig. 126) and set aside.
the upstream side. Note that the fastening screws pass
through the vertical angle, baffles, and coil casing. See
Fig. 125. Removal of the fastening screws may require
reaching through an opened damper assembly, reaching
through a filter track after filters are removed, or remov-
ing a coil immediately upstream.
CAUTION
before removing the coil and set the sleeves aside.
opening, or carefully slid out either side of the cabinet.
COIL FRAMES
BAFFLE, HARPIN
ANGLE
ATTACHED TO COILS
BOTH SIDES
IMPORTANT: ADHESIVE GASKET MUST BE
APPLIED TO THE FULL LENGTH OF THE
BOTTOM BAFFLE MATING FLANGE TO
CREATE SEAL BETWEEN THE COIL SIDE
CASING AND THE BAFFLE. SEE
ILLUSTRATION BELOW.
BAFFLE, BOTTOM
APPLY FLUSH TO THIS EDGE
GASKET, ADHESIVE
BOTTOM BAFFLE
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