Carrier Aero 39MN Series Installation, Start-Up And Service Instructions Manual page 113

Fig. 58 — Install Drain Channel to Unit Roof
8. Remove the unit lifting lugs under the coil section that
match the CCH side walls. DO NOT REMOVE THE
LIFTING LUG BOLTS AS THEY WILL BE USED
TO ATTACH THE ANGLE.
9. If the CCH has no door, remove the side panels before
proceeding with the installation.
10. a Using the lifting brackets (shown in Fig. 59), lift
the CCH into the vertical position and remove the
shipping brackets (shown in Fig. 53).
b. Using the lifting brackets (shown in Fig. 59) place
the CCH on top of the CCH curb. Once in position
there should be about a 2-in. gap between the unit
wall and the CCH frame covered by the flashing.
11. Attach the angle bracket using the lifting lug nuts and
washers; do not fully tighten. DO NOT USE THIS
PART FOR LIFTING THE UNIT. See Fig. 59, Detail
A.
12. Place the filler plate inside the CCH baserail, align the
square holes with the pattern on the base rail and the
angle bracket, then insert the 3 carriage bolts provided
through the plate, base rail and angle bracket. Fully
tighten with provided washers and nuts. See Fig. 59,
Detail A.
13. Finish tightening the angle bracket to the unit base rail.
See Fig. 59, Detail A.
14. Screw cover top to drain channel. See Fig. 60.
15. Place the slider onto drain channel-CCH roof cap tabs.
Bend or crimp both ends of slider to lock the part in
place. See Fig. 61.
16. Reassemble panels.
17. Attach the side flashing to the CCH frame using
—14 x 3 / in. long screws provided.
4
18. Caulk all notches and gaps as shown Fig. 62.
SEE DETAIL A
a39-4415
CCH — Coil Connection Housing
Fig. 60 — Screwing CCH Roof to Drain Channel
AHU ROOF
ROOF RAIL
DOUBLE
FACE TAPE
1 / in.
4
AHU — Air-Handling Unit
CCH — Coil Connection Housing
113
LIFTING
BRACKETS
CARRIAGE
BOLTS
FILLER
PLATE
ANGLE
BRACKET
LEGEND
Fig. 59 — Positioning CCH
BRACKET SLIDER
TO ALLOW FOR
BEND AND CRIMP
SEAL
DRAINAGE, DO NOT
FINAL ENDS
CAULK THIS AREA
DRAIN CHANNEL
SEAL
SIDE FLASHING
LEGEND
Fig. 61 — Side View
DETAIL A
CCH ROOF
SEAL GAPS BETWEEN
SIDE FLASHING, DRAIN
CHANNEL, CCH CAP
AND FRAME
SEAL
CCH PANEL