89
14. If CCH (coil connection housing) is installed at a section
split:
a. Use the Intelliclamp connectors on the vertical frames
and the split brackets on the top frames to bring the sec
-
tions together.
b. Remove the upstream side panels to gain access to the
inner surface of the frames.
c. Use tool clearance holes to install ¼-in. screws into the
downstream frame for the permanent section joint (only
necessary on the CCH side). Detail D in Fig. 31 shows
the location of the holes; the number of holes will vary
by unit.
d. Reinstall upstream access panel.
e. Remove the Intelliclamp connectors, the split section L
bracket, and the lifting lug under the section that match
the CCH side walls and install the CCH as described in
Coil Connection Housing section on page 114.
15. Where fan is blow-thru airfoil or forward-curved, install fan
discharge diffuser to bulkhead.
16. For outdoor units, assemble all roof brackets provided and
caulk roof corners as shown in Fig. 32, Detail B. Also caulk
(using black or grey polyurethane adhesive sealant such as
Black Sikaflex
1
221 or Silaprene
2
SolidSeal) over the field
section joint seals from top to bottom on the outside of each
field joint to ensure seal integrity.
DETAIL A
DETAIL C
SEE DETAIL C
SEE
DETAIL B
SEE DETAIL A
SCREW
5/16 in.-18 x 2 1/2
DETAIL B
NUT
(5/16 in.-18)
SPLIT SECTION
INTELLICLAMP
CONNECTOR
SCREW
SPLIT SECTION L BRACKET
SCREW
(3/8 in.-16 x 8 in.)
SCREW
NUT (3/8 in.-16)
WASHER (3/8 in.)
SCREW (1/2 in.-13 x 8 in.)
WASHER (1/2 in.)
NUT (1/2 in.-13)
Fig. 30 — Attaching Split Sections — Non-Stacked Units and Lower Level of Stacked Units
A39-4385
WARNING
Do not attempt to lift unit after assembly! Severe personal
injury or death can result.
CAUTION
Ensure a good seal is created between both sections before
continuing. Equipment damage could result.
1. Silkaflex is a registered trademark of Silka Group.
2. Silaprene and SolidSeal are registered trademarks of Royal Adhe
-
sives and Sealants, LLC.
DETAIL D
SCALE 7:10
SEE
DETAIL D
SCREW
1/4 in. -
3/4 in.
Fig. 31 — Attaching CCH at Section Split —
Location of Screw Holes
a39-4309
