Daikin Skyline OAH003GDAC Installation And Maintenance Manual page 19

Field-Installed Vestibule
Use all lifting points. Improper lifting can cause severe
personal injury and property damage.
Lifting points may not be symmetrical to the center of gravity
of the unit. Ballast or unequal cable lengths maybe required.
The unit can be shipped with an optional field installed
vestibule. Vestibule will ship fully assembled on a separate
shipping pallet. Lifting lugs are located at the top of the
vestibule. Field installed vestibule is designed to mounted on a
Skyline roof curb. See IM 770
Field-Installed Vestibule Installation
The vestibule comes completely assembled from the factory.
1. Inspect the gasket and splice collar to ensure they are
secure and not damaged. Refer to
2. Follow the instructions to attach rigging and lift the
vestibule vertically. Remove the shipping pallet.
3. Apply a continuous bead of caulking to the vertical flange
of the vestibule roof cap on the side that faces the unit
(Figure 41).
4. With the unit in position, lift the vestibule onto the
vestibule curb and align it as close as possible to its final
position. Make sure not to damage the gasket on the
side of the unit. Refer to
5. Use the crane and rigging to relieve the weight of the
vestibule, manually push and slide the vestibule next to
the unit.
6. Access the inside of the vestibule by opening the door or
removing the outer panel.
7. Use the supplied mounting screws to connect the
vestibule to the unit, screwing through the flange of the
vestibule and into the small binding holes of the splice
collar. See Figure 42.
8. Once the vestibule is secured to the unit, remove the
rigging and apply additional caulking to both corner
seams. See Figure 43.
www.DaikinApplied.com
WARNING
CAUTION
for curb installation details.
Figure 40, Detail A.
Figure 40, Detail A.
Figure 41: Typical Vestibule
19 IM 777-18 • SKYLINE OUTDOOR AIR HANDLER
M I
eChanICal nsTallaTIon
SPLICE COLLAR
DETAIL A
SHOWN